WO2016031626A1 - ポリオレフィン系樹脂組成物、成形体及びポリオレフィン系樹脂フィルム - Google Patents
ポリオレフィン系樹脂組成物、成形体及びポリオレフィン系樹脂フィルム Download PDFInfo
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- WO2016031626A1 WO2016031626A1 PCT/JP2015/073133 JP2015073133W WO2016031626A1 WO 2016031626 A1 WO2016031626 A1 WO 2016031626A1 JP 2015073133 W JP2015073133 W JP 2015073133W WO 2016031626 A1 WO2016031626 A1 WO 2016031626A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Definitions
- the present invention relates to a polyolefin resin composition, a molded article obtained using the polyolefin resin composition, and a polyolefin resin film.
- Polyolefin resins are used in a wide range of applications including molded products, films, fibers, linings, and the like. In some of these applications, performance that cannot be satisfied by polyolefin resin alone is required. For this reason, various improvements have been made to polyolefin resins. Techniques for changing the properties of polyolefin resins have been studied for a long time, including copolymerization, polymer cross-linking, and other components such as fillers and other resins such as elastomers in the polymer matrix. A method such as, is generally used. Among them, the method of blending additives and the method of blending with other resins are widely performed because the range of controllable physical properties is wide and the addition of functions is easy.
- Patent Document 1 discloses a polyolefin resin composition having excellent antistatic performance by blending a polystyrene resin and an ionomer resin into a polyolefin.
- Patent Document 2 discloses a polypropylene-based composite material having a very high specific strength by blending an epoxy-modified polyolefin and a long carbon fiber with polypropylene.
- the present invention has been made in view of the above, and provides a polyolefin resin composition having improved resilience while maintaining mechanical strength and stretchability, a molded article molded from the composition, and a polyolefin resin film.
- the purpose is to do.
- this invention relates to the following polyolefin resin composition, a molded object, and a polyolefin resin film.
- Item 1 A polyolefin resin composition comprising a polyolefin resin, a polyalkylene carbonate resin, and an ionic liquid.
- Item 2. The polyolefin-based resin composition according to Item 1, wherein the polyalkylene carbonate resin is polypropylene carbonate.
- the ionic liquid is one kind of cation selected from the group consisting of ammonium ion, pyridinium ion, pyrrolidinium ion, pyrrolium ion, oxazolium ion, oxazolinium ion, imidazolium ion, thiazolium ion and phosphonium ion; Halogen ion, phosphate ion, nitrate ion, sulfate ion, bisulphate ion, sulfonate ion, tosylate ion, perchlorate ion, aluminate ion, dialuminate ion, borate ion, amide ion, dicyanamide ion, Item 3 or 2 above, which is a salt composed of a combination with one kind of anion selected from the group consisting of a succinate ion, a thiocyanate ion, and a carboxylate i
- Olefin resin composition Item 4.
- Item 4. The polyolefin resin composition according to any one of Items 1 to 3, comprising 0.05 to 20 parts by mass of a polyalkylene carbonate resin and 0.01 to 5 parts by mass of an ionic liquid with respect to 100 parts by mass of the polyolefin resin. object.
- Item 5. The polyolefin resin composition according to any one of Items 1 to 4, wherein the polyolefin resin is polypropylene or polyethylene.
- Item 5. The polyolefin resin composition according to any one of Items 1 to 4, wherein the polyolefin resin is polypropylene.
- Item 7. 7. A molded product obtained by molding the polyolefin resin composition according to any one of items 1 to 6.
- Item 9. The polyolefin resin film according to Item 8, wherein the draw ratio in the uniaxial direction is 1.01 to 20.0.
- the polyolefin resin composition according to the present invention is characterized in that the mechanical properties of the polyolefin resin used to obtain the composition are maintained, the resilience is improved, and it is difficult to yield. For this reason, the polyolefin resin composition according to the present invention enables the use of polyolefin resins in a wider range of applications.
- the molded product according to the present invention is formed by molding the above-mentioned polyolefin resin composition, the mechanical properties are maintained, the resilience is improved, and it is difficult to yield.
- the polyolefin resin film according to the present invention is formed by molding the above polyolefin resin composition, the mechanical properties are maintained, the resilience is improved, and it is difficult to yield. Furthermore, since the polyolefin-based resin film is formed to be stretched at least in a uniaxial direction, the surface resistivity is greatly reduced, the antistatic performance is improved, and there is a problem during use such as dust adhesion. Can be reduced.
- the polyolefin resin composition contains a polyolefin resin, a polyalkylene carbonate resin, and an ionic liquid.
- the polyolefin resin refers to a polymer containing a monomer unit derived from olefin, such as polyethylene resin, polypropylene resin, ethylene-carboxylic acid alkenyl ester copolymer resin, ethylene-unsaturated carboxylic acid. Examples thereof include alkyl ester copolymer resins, polybutene resins, and poly (4-methyl-1-pentene) resins.
- polyethylene resin examples include polyethylene.
- the polyethylene is not particularly limited, and for example, low density polyethylene, linear low density polyethylene, medium density polyethylene, high density polyethylene, ultra high molecular weight polyethylene, and the like can be used.
- the polypropylene resin is preferably polypropylene or a copolymer of propylene and another olefin.
- Preferred examples of “other olefins” here include ethylene, butene, pentene, hexene, octene and the like. These “other olefins” can be used alone or in combination of two or more. In the case of a copolymer, any form of a block copolymer, a random copolymer, and an alternating copolymer may be sufficient.
- polypropylene resin polypropylene, propylene-ethylene copolymer, propylene-ethylene-butene copolymer, propylene-butene copolymer, propylene-hexene copolymer, propylene-octene copolymer A coalescence etc. are preferable and a polypropylene is more preferable.
- the polypropylene is not particularly limited, and isotactic polypropylene, syndiotactic polypropylene, and the like can be used.
- Examples of the “carboxylic acid alkenyl ester” of the ethylene-carboxylic acid alkenyl ester copolymer resin include vinyl acetate, vinyl propionate, vinyl butyrate, isopropenyl acetate and allyl acetate. Among these, vinyl acetate is preferable.
- the ethylene-carboxylic acid alkenyl ester copolymer resin is particularly preferably an ethylene-vinyl acetate copolymer.
- Examples of the “unsaturated carboxylic acid alkyl ester” of the ethylene-unsaturated carboxylic acid alkyl ester copolymer resin include methyl acrylate, ethyl acrylate, propyl acrylate, methyl methacrylate, ethyl methacrylate, propyl methacrylate, and the like. Is done. Among these, methyl acrylate and methyl methacrylate are preferable.
- the ethylene-unsaturated carboxylic acid alkyl ester copolymer resin is particularly preferably an ethylene-methyl acrylate copolymer or an ethylene-methyl methacrylate copolymer.
- Polyolefin resins can be used singly or in combination of two or more.
- a polyethylene resin or a polypropylene resin is preferable from the viewpoint of excellent compatibility with the polyalkylene carbonate resin, and selected from the group consisting of polyethylene, polypropylene, and copolymers of propylene and other olefins. At least one is more preferable, and polyethylene and polypropylene are particularly preferable.
- the method for producing the polyolefin resin is not particularly limited, and a known method can be used. Examples thereof include a method of radical polymerization of olefins using an initiator such as peroxide, a method of polymerizing olefins by a gas phase method, a solution method, etc. in the presence of a polymerization catalyst.
- a polymerization catalyst a Ziegler-Natta catalyst, a Philips catalyst, a metallocene catalyst, or the like can be used.
- the molecular weight of the polyolefin resin is not particularly limited.
- the preferable lower limit of the mass average molecular weight is 20,000, the preferable upper limit is 6,000,000, the more preferable lower limit is 50,000, and the more preferable upper limit is It is 3,000,000, a more preferred lower limit is 100,000, and a more preferred upper limit is 1,000,000.
- the mass average molecular weight of the polyolefin resin is 20,000 or more, the mechanical strength of the resulting polyolefin resin composition is more preferably improved, which is practical. Further, when the mass average molecular weight of the polyolefin resin is 6,000,000 or less, the molding process of the obtained polyolefin resin composition can be facilitated.
- the mass average molecular weight is determined by preparing a 1,2-dichlorobenzene solution with a polyolefin resin concentration of 0.5% and measuring it using a high performance liquid chromatograph. It is the value computed by comparing with polystyrene.
- the measurement conditions are as follows.
- the fluidity of the resin is represented by, for example, a melt flow rate (MFR, unit: g / 10 minutes) measured by a method defined in JIS K 7210: 1999.
- MFR melt flow rate
- the lower limit of the MFR value measured by the method at a temperature of 230 ° C. and a load of 2.16 kg is preferably 0.5, and the upper limit is preferably 100.
- a more preferable lower limit of the MFR value is 1, and a more preferable upper limit of the MFR value is 50 (g / 10 minutes). If the MFR value of the polyolefin resin is 0.5 or more, the resulting polyolefin resin composition does not have too low fluidity and can be preferably molded by an extrusion molding method, a blow molding method, or the like. Further, when the MFR value of the polyolefin resin is 100 or less, it can be preferably molded by an injection molding method or the like.
- the polyalkylene carbonate resin is not particularly limited.
- a polymer obtained by polymerization reaction of alkylene oxide and carbon dioxide that is, a copolymer of alkylene oxide and carbon dioxide
- ring-opening polymerization of cyclic carbonate And the resulting polymer.
- polyalkylene carbonate resins obtained by copolymerization of alkylene oxide and carbon dioxide are preferably used.
- the polymerization reaction of alkylene oxide and carbon dioxide can be preferably performed in the presence of a metal catalyst.
- alkylene oxide examples include ethylene oxide, propylene oxide, 1-butene oxide, 2-butene oxide, isobutylene oxide, 1-pentene oxide, 2-pentene oxide, 1-hexene oxide, 1-octene oxide, 1-decene oxide, Cyclopentene oxide, cyclohexene oxide, styrene oxide, vinylcyclohexene oxide, 3-phenylpropylene oxide, 3,3,3-trifluoropropylene oxide, 3-naphthylpropylene oxide, 3-phenoxypropylene oxide, 3-naphthoxypropylene oxide, butadiene Examples thereof include monooxide, 3-vinyloxypropylene oxide and 3-trimethylsilyloxypropylene oxide.
- ethylene oxide and propylene oxide are preferable, and propylene oxide is more preferable from the viewpoint of high polymerization reactivity with carbon dioxide.
- These alkylene oxides may be used alone or in combination of two or more.
- the metal catalyst examples include an aluminum catalyst and a zinc catalyst.
- a zinc catalyst is preferably used because it has high polymerization activity in the polymerization reaction of alkylene oxide and carbon dioxide.
- the zinc catalyst examples include organic zinc catalysts such as zinc acetate, diethyl zinc, and dibutyl zinc, or primary amines, divalent phenols, divalent aromatic carboxylic acids, aromatic hydroxy acids, and aliphatic dicarboxylic acids. And an organic zinc catalyst obtained by reacting a compound such as an aliphatic monocarboxylic acid with a zinc compound.
- organic zinc catalysts an organozinc catalyst obtained by reacting a zinc compound, an aliphatic dicarboxylic acid and an aliphatic monocarboxylic acid is preferably used because it has higher polymerization activity.
- Specific examples of the organic zinc catalyst include dimethyl zinc, diethyl zinc, and diphenyl zinc.
- the amount of the metal catalyst used in the polymerization reaction is preferably 0.001 part by weight, preferably 20 parts by weight, and more preferably 0.01 parts by weight with respect to 100 parts by weight of alkylene oxide. A more preferred upper limit is 10 parts by mass.
- the amount of the metal catalyst used is 0.001 part by mass or more, the polymerization reaction can proceed rapidly.
- the effect corresponding to the usage-amount is preferably acquired as the usage-amount of a metal catalyst is 20 mass parts or less.
- the method for polymerization reaction of alkylene oxide and carbon dioxide in the presence of a metal catalyst is not particularly limited.
- the alkylene oxide, the metal catalyst and, if necessary, a reaction solvent are added to an autoclave and mixed. After that, carbon dioxide is injected and reacted.
- the reaction solvent used as necessary in the polymerization reaction is not particularly limited, and various organic solvents can be used.
- the organic solvent include aliphatic hydrocarbon solvents such as pentane, hexane, octane, decane, and cyclohexane; aromatic hydrocarbon solvents such as benzene, toluene, and xylene; dichloromethane, chloroform, and four Carbon chloride, 1,1-dichloroethane, 1,2-dichloroethane, ethyl chloride, trichloroethane, 1-chloropropane, 2-chloropropane, 1-chlorobutane, 2-chlorobutane, 1-chloro-2-methylpropane, chlorobenzene, bromobenzene, etc.
- Halogenated hydrocarbon solvents such as: tetrahydrofuran, 1,3-dioxolane, 1,4-dioxane, 1,2-dimethoxyethane and other ether solvents; ethyl acetate, butyl acetate and other ester solvents; acetone, methyl ethyl ketone, methyl isobutyl Ketone solvents such as ketone; dimethyl carbonate, diethyl carbonate, carbonate-based solvent such as propylene carbonate.
- the amount of the reaction solvent used is preferably 100 to 10,000 parts by mass with respect to 100 parts by mass of alkylene oxide, from the viewpoint of facilitating the reaction.
- the working pressure of carbon dioxide used in the polymerization reaction is not particularly limited, but usually the preferred lower limit is 0.1 MPa, the preferred upper limit is 20 MPa, the more preferred lower limit is 0.2 MPa, and the more preferred upper limit is 10 MPa, A more preferred lower limit is 0.5 MPa, and a more preferred upper limit is 5 MPa.
- the polymerization reaction temperature in the polymerization reaction is not particularly limited, but a preferable lower limit is 30 ° C., a preferable upper limit is 100 ° C., a more preferable lower limit is 40 ° C., and a more preferable upper limit is 80 ° C.
- a preferable lower limit is 30 ° C.
- a preferable upper limit is 100 ° C.
- a more preferable lower limit is 40 ° C.
- a more preferable upper limit is 80 ° C.
- the polymerization reaction time varies depending on the polymerization reaction temperature, the amount of catalyst, and the type of alkylene oxide, and thus cannot be generally described, but it is usually preferably 2 to 40 hours.
- a polyalkylene carbonate resin After completion of the polymerization reaction, a polyalkylene carbonate resin can be obtained by filtering off by filtration, washing with a solvent if necessary, and drying.
- the polyalkylene carbonate resin constituting the polyolefin-based resin composition may be one kind alone, or two or more kinds may be combined.
- the preferred lower limit of the mass average molecular weight of the polyalkylene carbonate resin is 10,000, the preferred upper limit is 2,000,000, the more preferred lower limit is 30,000, the more preferred upper limit is 1,000,000, and the more preferred lower limit. Is 50,000, and a more preferable upper limit is 750,000.
- the mass average molecular weight was determined by preparing a N, N-dimesylformamide solution having a polyalkylene carbonate resin concentration of 0.5% and using a high performance liquid chromatograph. Is a value calculated by comparing with known polystyrene. The measurement conditions are as follows.
- the content of the polyalkylene carbonate resin is preferably 0.05 parts by mass, and the preferable upper limit is 20 parts by mass with respect to 100 parts by mass of the polyolefin resin, and the more preferable lower limit is 0. More preferably, the upper limit is 10 parts by mass, the lower limit is more preferably 1 part by mass, and the upper limit is more preferably 5 parts by mass. If the content of the polyalkylene carbonate resin exceeds 20 parts by mass, the mechanical strength and breaking strain of the polyolefin resin composition may be slightly reduced. Moreover, when content of polyalkylene carbonate resin is less than 0.05 mass part, the modification effect of a polyolefin-type resin composition may not be acquired largely.
- the ionic liquid is a salt composed of a cation and an anion and having a melting point of 100 ° C. or lower.
- a salt that is liquid at room temperature (25 ° C.) is preferable.
- Examples of the cation constituting the ionic liquid include ammonium ion, pyridinium ion, pyrrolidinium ion, pyrrolium ion, oxazolium ion, oxazolinium ion, imidazolium ion, thiazolium ion or phosphonium ion, and more.
- an imidazolium ion, a pyrrolidinium ion, a pyridinium ion, an ammonium ion, or a phosphonium ion is used, and more preferably an imidazolium ion or a pyrrolidinium ion.
- anion constituting the ionic liquid examples include halogen ions, phosphate ions, nitrate ions, sulfate ions, bisulfate ions, sulfonate ions, tosylate ions, perchlorate ions, aluminate ions, dialuminate ions, and borate ions.
- chloride, bromide, tetrafluoroborate, alkyl borate, aryl borate, halophosphate, nitrate, Sulfonate, bisulphate, alkyl sulfate, thiocyanate, perfluorinated amide, dicyanamide, bis (perfluoroalkylsulfonyl) amide, acetate , Trifluoroacetate can be preferably exemplified.
- R 1a and R 2a may be the same or different and each represents a substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms, or a substituted or unsubstituted aromatic hydrocarbon having 6 to 20 carbon atoms, respectively.
- R 3a represents a hydrogen atom or a methyl group. It is preferable that it is a cation represented by these.
- the substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms is preferably an unsubstituted hydrocarbon group, more preferably a linear alkyl group or an alkenyl group.
- the number of carbon atoms is preferably 1 to 8, more preferably 1 to 6, and further preferably 1 to 4.
- a linear alkyl group having 1, 2, 3, 4, 5 or 6 carbon atoms, or a linear alkenyl group having 2, 3, or 4 carbon atoms (particularly a vinyl group or an allyl group) is preferable.
- an unsubstituted aromatic hydrocarbon group is preferable, and specifically, a benzyl group and the like are preferably exemplified.
- Preferable imidazolium ions include, specifically, R 1a is a methyl group, R 2a is a methyl group, an ethyl group, a butyl group, a decyl group, an allyl group, or a benzyl group, and R 3a is a hydrogen atom or Examples include ions that are methyl groups.
- R 1b and R 2b may be the same or different and each represents a substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms. It is preferable that it is a cation represented by these.
- the substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms is preferably an unsubstituted hydrocarbon group, more preferably a linear alkyl group or an alkenyl group.
- the number of carbon atoms is preferably 1 to 8, more preferably 1 to 6, and further preferably 1 to 4.
- a straight-chain alkyl group having 1, 2, 3, 4, 5 or 6 carbon atoms, or a straight-chain alkenyl group having 2, 3, or 4 carbon atoms (especially a vinyl group or an allyl group) is preferable.
- 2, 3, or 4 straight chain alkyl groups are particularly preferred.
- Preferable pyrrolidinium ions specifically include ions in which R 1b is a methyl group and R 2b is a methyl group, an ethyl group, or a butyl group.
- R 1c and R 2c may be the same or different, R 1c represents a substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms, and R 2c represents a substituted or unsubstituted group having 1 to 10 carbon atoms. Represents a hydrocarbon group or a hydrogen atom.) It is preferable that it is a cation represented by these.
- the substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms is preferably an unsubstituted hydrocarbon group, more preferably a linear alkyl group or an alkenyl group.
- the number of carbon atoms is preferably 1 to 8, more preferably 1 to 6, and further preferably 1 to 4.
- a straight-chain alkyl group having 1, 2, 3, 4, 5 or 6 carbon atoms, or a straight-chain alkenyl group having 2, 3, or 4 carbon atoms (especially a vinyl group or an allyl group) is preferable.
- 2, 3, or 4 straight chain alkyl groups are particularly preferred.
- R 2c is preferably present at the 3rd or 4th position.
- Preferable pyridinium ions are specifically, R 1c is a methyl group, an ethyl group, a propyl group, or a butyl group, R 2c is a methyl group or a hydrogen atom, and R 2c is at the 3-position or 4-position. Ions.
- R 1d and R 2d may be the same or different and each represents a substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms. It is preferable that it is a cation represented by these.
- the substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms is preferably an unsubstituted hydrocarbon group, more preferably a linear alkyl group or an alkenyl group.
- the number of carbon atoms is preferably 1 to 8, more preferably 1 to 6, and further preferably 1 to 4.
- a linear alkyl group having 1, 2, 3, 4, 5, 6, 7 or 8 carbon atoms, or a linear alkenyl group having 2, 3, or 4 carbon atoms (particularly a vinyl group or an allyl group) is preferable.
- a linear alkyl group having 1, 2, 3, or 4 carbon atoms is particularly preferable.
- Preferable ammonium ions include, specifically, R 1d is a linear alkyl group having 1, 2, 3, 4, 5, 6, 7 or 8 carbon atoms, and R 2d is a methyl group or the same group as R 1d The ion which is is mentioned.
- R 1e and R 2e may be the same or different and each represents a substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms. It is preferable that it is a cation represented by these.
- the substituted or unsubstituted hydrocarbon group having 1 to 10 carbon atoms is preferably an unsubstituted hydrocarbon group, more preferably a linear alkyl group or an alkenyl group.
- the number of carbon atoms is preferably 1 to 8, more preferably 1 to 6, and further preferably 1 to 4.
- a linear alkyl group having 1, 2, 3, 4, 5, 6, 7 or 8 carbon atoms, or a linear alkenyl group having 2, 3, or 4 carbon atoms (particularly a vinyl group or an allyl group) is preferable.
- a linear alkyl group having 1, 2, 3, or 4 carbon atoms is particularly preferable.
- R 1e is a linear alkyl group having 1, 2, 3, 4, 5, 6, 7 or 8 carbon atoms
- R 2e is a methyl group or the same group as R 1e. The ion which is is mentioned.
- the ionic liquid constituting the polyolefin resin composition is preferably a pyrrolidinium salt or an imidazolium salt.
- the combination of the cation and the anion of the ionic liquid is preferably a cation selected from the group consisting of imidazolium ion, pyrrolidinium ion, pyridinium ion, ammonium ion and phosphonium ion, halogen, tetrafluoroborate, An anion selected from the group consisting of alkyl borate, aryl borate, halophosphate, nitrate, sulfonate, bisulphate, alkyl sulfate, thiocyanate, carboxylate, perfluorinated amide, dicyanamide and bis (perfluoroalkylsulfonyl) amide More preferably, one kind of cation selected from the group consisting of imidazolium ion and pyrrolidinium ion, halogen, carboxyla DOO, hexafluorophosphate, a combination of one anion selected from the group consisting of te
- a combination in which the cation is 1-butyl-3-methylimidazolium or N-butyl-N-methylpyrrolidinium and the anion is tetrafluoroborate or bis (trifluoromethanesulfonyl) amide is particularly preferable.
- the content of the ionic liquid is preferably 0.01 parts by mass, preferably 5 mass parts, and more preferably 0.1 mass parts with respect to 100 parts by mass of the polyolefin resin.
- a mass part, a more preferable upper limit is 3 mass parts, a more preferable lower limit is 0.5 mass part, and a still more preferable upper limit is 2 mass parts.
- the method for producing a polyolefin resin composition is not particularly limited. For example, after mixing a polyolefin resin, a polyalkylene carbonate resin and an ionic liquid in an arbitrary order using a Henschel mixer, a ribbon blender, a blender, A method of melt kneading the mixture, a method of previously impregnating a polyalkylene carbonate resin with an ionic liquid, mixing with a polyolefin resin, melt kneading, and a polyolefin resin, polyalkylene carbonate resin and ionic liquid as a solvent For example, a method of removing the solvent after mixing in a solution.
- a method in which a polyolefin resin, a polyalkylene carbonate resin, and an ionic liquid are melt-kneaded from the viewpoint of easy production of the composition, high productivity, and the ability to obtain a uniform composition preferable.
- a method of adding a polyolefin resin to a mixture obtained by impregnating a polyalkylene carbonate resin with an ionic liquid and melt-kneading can be preferably used.
- the method for melt-kneading the polyolefin-based resin, polyalkylene carbonate resin and ionic liquid is not particularly limited, but there is a method for melt-kneading using a single screw extruder, a twin screw extruder, a Banbury mixer, a kneader, a kneading roll, or the like. Can be mentioned.
- the polyolefin resin composition is preferably a solid composition.
- additives for example, stabilizers such as antioxidants, ultraviolet absorbers, light stabilizers, flame retardants, antistatic agents, antibacterial agents, as long as the effects of the present invention are not impaired.
- stabilizers such as antioxidants, ultraviolet absorbers, light stabilizers, flame retardants, antistatic agents, antibacterial agents, as long as the effects of the present invention are not impaired.
- Nucleating agents, lubricants, anti-blocking agents, coloring agents, fillers and the like can also be used.
- antioxidants examples include 2,6-di-t-butyl-p-cresol (BHT), 2,2′-methylenebis (4-methyl-6-t-butylphenol), tetrakis [methylene- (3, 5-di-t-butyl-4-hydroxyhydrocinnamate)] methane, dilauryl-3,3′-thiodipropionate (DLTDP), distearyl-3,3′-thiodipropionate (DSTDP)], Examples thereof include triphenyl phosphite (TPP), triisodecyl phosphite (TDP), octylated diphenylamine, Nn-butyl-p-aminophenol, N, N-diisopropyl-p-phenylenediamine, and the like.
- BHT 2,6-di-t-butyl-p-cresol
- DLTDP distearyl-3,3′-thiodipropionate
- TPP
- Examples of the ultraviolet absorber include 2-hydroxybenzophenone, 2,4-dihydroxybenzophenone, phenyl salicylate, 2,4-di-t-butylphenyl-3,5-di-t-butyl-4-hydroxybenzoate) 2'-hydroxyphenyl) benzotriazole, (2'-hydroxy-5'-methylphenyl) benzotriazole, ethyl-2-cyano-3,3-diphenyl acrylate, methyl-2-carbomethoxy-3- (paramethoxy Benzyl) acrylate and the like.
- Examples of the light stabilizer include 2,2,6,6-tetramethyl-4-piperidyl stearate, bis (2,2,6,6-tetramethyl-4-piperidyl) sebacate, tetrakis (2,2,6, 6-tetramethyl-4-piperidyl) -1,2,3,4-butanetetracarboxylate, bis (2,2,6,6-tetramethyl-4-piperidyl) .di (tridecyl) -1,2, 3,4-butanetetracarboxylate, bis (1,2,2,4,4-pentamethyl-4-piperidyl) -2-butyl-2- (3,5-di-t-butyl-4-hydroxybenzyl) Malonate, 1- (2-hydroxyethyl) -2,2,6,6-tetramethyl-4-piperidinol / diethyl succinate polycondensate, 1,5,8,12-tetrakis [2,4-bis (N-butyl-N (2,2,6,6-
- Flame retardants include tricresyl phosphate, tris (2,3-dibromopropyl) phosphate, decabromobiphenyl ether, tetrabromobisphenol A, antimony trioxide, magnesium hydroxide, zinc borate, barium metaborate, aluminum hydroxide , Red phosphorus, ammonium polyphosphate and het acid.
- antistatic agent examples include sodium dodecylbenzenesulfonate, polyethylene oxide, polypropylene oxide, polyethylene glycol, polyester amide, and polyether ester amide.
- An ionic liquid can also be an antistatic agent.
- Antibacterial agents include, for example, 2-bromo-2-nitro-1,3-propanediol, 2,2-dibromo-2-nitroethanol, methylene bisthiocyanate, 1,4-bisbromoacetoxy-2-butene, hexabromo Dimethylsulfone, 5-chloro-2,4,6-trifluoroisophthalonitrile, tetrachloroisophthalonitrile, dimethyldithiocarbamate, 4,5-dichloro-1,2-diol-3-one, 3,3,4 , 4-tetrachlorotetrahydrothiophene-1,1-dioxide, triiodoallyl alcohol, bromonitrostyrene, glutaraldehyde, phthalaldehyde, isophthalaldehyde, terephthalaldehyde, dichloroglyoxime, ⁇ -chlorobenzaldoxime, ⁇ -chlorobenz Aldoxime acetate
- nucleating agent examples include 1,3,2,4-dibenzylidene sorbitol, sodium-2,2′-methylene-bis (4,6-di-t-butylphenyl) phosphate, bis (2,4,8, 10-tetra-t-butyl-hydroxy-12H-dibenzo [d, g] [1,3,2] dioxaphosphocin-6-oxide), aluminum benzoate, sodium adipate, sodium thiophenecarboxylate, pillow Examples include sodium recarboxylate.
- lubricant examples include liquid paraffin, natural paraffin, micro wax, polyethylene wax, stearic acid, stearic acid amide, palmitic acid amide, methylene bisstearyl amide, butyl stearate, hydrogenated castor oil, and ethylene glycol monostearate. It is done.
- anti-blocking agent examples include talc, silica, calcium carbonate, synthetic zeolite, starch, and stearic acid bisamide.
- the colorant examples include titanium oxide, lithopone, lead white, zinc oxide, aureolin, cobalt green, cerulean blue, cobalt blue, cobalt violet, iron oxide, bitumen, chromium oxide, lead chromate, barium chromate, cadmium sulfide, Inorganic pigments such as cadmium yellow and ultramarine, azo pigments such as azo lakes, monoazos, disazos and chelate azos, benzimidazolones, phthalocyanines, quinacridones, dioxazines, isoindolinones, thioindigos, perylenes , Organic pigments such as quinophthalone and anthraquinone polycyclic pigments, azo, anthraquinone, indigoid, sulfide, triphenylmethane, pyrazolone, stilbene, diphenylmethane, xanthene, alizari System, acridine
- the filler examples include inorganic fillers such as calcium carbonate, talc, clay, silicic acid, silicate, asbestos, mica, glass fiber, glass balloon, carbon fiber, metal fiber, ceramic whisker, and titanium whisker, and urea.
- inorganic fillers such as calcium carbonate, talc, clay, silicic acid, silicate, asbestos, mica, glass fiber, glass balloon, carbon fiber, metal fiber, ceramic whisker, and titanium whisker, and urea.
- organic fillers such as calcium stearate, organic crosslinked fine particles (for example, epoxy-based and urethane-based), cellulose fiber, and wood flour.
- Such other additives can be used singly or in combination of two or more.
- the preferred lower limit is 0.01 parts by weight
- the preferred upper limit is 100 parts by weight
- the more preferred lower limit is 100 parts by weight of the polyolefin-based resin composition. 0.5 parts by mass, more preferably 50 parts by mass, more preferably 0.1 parts by mass, and even more preferably 10 parts by mass.
- the polyolefin resin composition improves the resilience of the polyolefin resin. Although this mechanism is not necessarily clear and does not require a limited interpretation, it is considered that the ionic liquid exerts a compatibilizing effect (that is, the ionic liquid acts as a compatibilizing agent). More specifically, a polyolefin resin composition having improved resilience because the dispersion state of the polyalkylene carbonate resin in the polyolefin resin is changed and a liquid compound (ie, ionic liquid) is effectively dispersed in the polyolefin resin. It is presumed that things will be obtained.
- the present invention also includes a polyolefin resin and a polyalkylene carbonate resin compatibilizer made of an ionic liquid.
- a polyolefin resin and a polyalkylene carbonate resin compatibilizer made of an ionic liquid.
- the compatibilizing agent By adding the compatibilizing agent when mixing the polyolefin-based resin and the polyalkylene carbonate resin, the two kinds of resins can be preferably mixed uniformly.
- the compatibilizing agent the ionic liquid to be used, the polyolefin resin and polyalkylene carbonate resin to be applied, and the preferred mixing ratio thereof are the same as those described for the polyolefin resin composition of the present invention. It is.
- a molded object is a molded object shape
- Examples of methods for obtaining a molded body include injection molding, compression molding, injection compression molding, gas injection injection molding, foam injection molding, inflation molding, T-die molding, calendar molding, and blow molding. , Vacuum forming method, pressure forming method, rotational forming method and the like.
- the film is formed as at least one layer of a multilayer structure with different resins by an inflation molding method, a T-die molding method, or a calendar molding method, or an extrusion laminating method, a thermal laminating method, a dry laminating method.
- Multilayers can be obtained by forming a film by a method or the like. Further, the obtained film or sheet can be used by being uniaxially or biaxially stretched by a roll stretching method, a tenter stretching method, a tubular stretching method or the like. The details of the film stretched uniaxially or biaxially in the molded body will be described later.
- the molded body may be subjected to surface treatment such as corona discharge treatment, flame treatment, plasma treatment, and ozone treatment.
- the molded body can be used as, for example, electric / electronic parts, building parts, automobile parts, machine parts, daily necessities, industrial materials, and the like.
- the electrical / electronic parts include housings and internal parts such as a copy machine, a personal computer, a printer, an electronic musical instrument, a home game machine, and a portable game machine. , Curtain parts, blind parts, roof panels, heat insulating walls, adjusters, plastic bundles, ceiling hanger, etc., as automobile parts, for example, fender, over fender, grill guard, cowl louver, wheel cap, side protector, Examples include side moldings, side lower skirts, front grilles, roof rails, rear spoilers, bumpers, instrument panel lowers, and trims.
- Examples of mechanical parts include gears, screws, springs, bearings, levers, cams, ratchets, and rollers.
- various Tralee various toiletries, carton box, packaging film, wrap film, hand-laminated laminated paper bag, prepaid card, household wrap saw blade, food tray, garbage bag, lami bag, pouch, label, thermoforming molded product, packing band Woven and knitted fabrics (clothing / interior), carpets, life hygiene materials, packaging films, cases, food cups, etc.
- Industrial materials include, for example, fiber binders, paper coatings, adhesives, agricultural films , Spun yarn, slit yarn, rope, net, filter, woven or knitted fabric (industrial material), compost bag, waterproof sheet, sandbag bag, and the like.
- the polyolefin-based resin film is a film formed by stretching the polyolefin-based resin composition into a film shape, and in particular, is stretched in at least a uniaxial direction.
- the polyolefin resin film is formed by molding the polyolefin resin composition, the mechanical properties are maintained, the resilience is improved, and it is difficult to yield.
- the polyolefin-based resin film is formed by being stretched at least in a uniaxial direction, the surface resistivity is greatly reduced and the antistatic performance is improved. Thereby, the said polyolefin resin film can also reduce the malfunction at the time of use that dust adheres.
- the method for producing the polyolefin-based resin film is not particularly limited, and, similar to the above-mentioned molded product, after producing the polyolefin-based resin composition, the T-die molding method, the inflation molding method, the calendar molding method, the solvent casting method. It can be obtained by forming into a film by a method such as a hot press method and stretching the film at least in a uniaxial direction.
- the method of stretching the polyolefin resin film in at least a uniaxial direction is not particularly limited, and examples thereof include a method of stretching uniaxially or biaxially by a roll stretching method, a tenter stretching method, a tubular stretching method, or the like.
- the film When the polyolefin resin film is stretched, the film may be heated while being heated. By heating, it can be uniformly stretched at a high stretch ratio.
- the lower limit of the heating temperature is preferably a temperature equal to or higher than the glass transition temperature of the polyolefin-based resin, more preferably 30 ° C. higher than the glass transition temperature, and even more preferably 50 ° C. higher than the glass transition temperature.
- the upper limit of the heating temperature is preferably a temperature not higher than the melting point of the polyolefin resin, more preferably 5 ° C. or more lower than the melting point, and further preferably 10 ° C. or more lower than the melting point.
- the draw ratio of the polyolefin resin film is not particularly limited.
- the draw ratio of the polyolefin resin film can be set to 1.01 to 20.0. It is easy to form as a film having no defect, and sufficient antistatic performance is exhibited.
- the lower limit of the draw ratio is more preferably 1.50 times, and particularly preferably 2.0 times.
- the upper limit value of the draw ratio is more preferably 10.0 times, and particularly preferably 5.0 times.
- the draw ratio in at least one of the MD direction and the TD direction is preferably 1.01 to 20.0 times.
- the lower limit of the draw ratio with respect to at least one of the MD direction and the TD direction is more preferably 1.50 times and particularly preferably 2.0 times.
- the upper limit of the draw ratio in at least one of the MD direction and the TD direction is more preferably 10.0 times, and particularly preferably 5.0 times.
- the thickness of the polyolefin resin film is not particularly limited, but may be, for example, 0.01 to 10 mm. If it is the thickness of this range, it will become easy to obtain the polyolefin resin film which is excellent in antistatic performance, maintaining favorable moldability. A more preferred thickness is 0.05 to 1 mm.
- the surface of the polyolefin resin film stretched as described above is lower than that of the polyolefin resin film not stretched.
- the value of the surface resistivity varies depending on the type of resin. For example, if the draw ratio is 2 times, the surface resistivity after the drawing process is reduced to 1/10 to 1/1000 compared with that before the drawing process. If the magnification is 9, it is preferable that the surface resistivity after the drawing process is reduced to 1/100 to 1/10000 compared with that before the drawing process. In this case, the stretched polyolefin resin film has sufficient antistatic performance.
- the domain of the polyalkylene carbonate resin containing the ionic liquid is deformed into a filament by stretching, thereby forming a conductive path. It is thought that there is not. More specifically, in the polyolefin resin composition, the polyalkylene carbonate resin is dispersed in the polyolefin resin matrix, and it is understood that this dispersed state has a so-called sea-island structure. Yes.
- the polyolefin resin composition is in such a dispersed state, it becomes difficult to form a conductive path when the polyolefin resin film is formed without stretching, so the surface resistance of the obtained polyolefin resin film is almost It does not decline.
- the polyolefin resin film is stretched, the domain shape of the polyalkylene carbonate resin is stretched so that it can be easily brought into contact with each other, thereby forming a conductive path mediated by the ionic liquid in the polyolefin resin film. .
- the surface resistance of the polyolefin-based resin film is lower than that before stretching, and more excellent antistatic performance is exhibited.
- Polyolefin-based resin films are used for various applications such as packaging materials, masking materials, packaging materials for electronic parts, tape materials, plastic bags, packaging materials for pharmaceuticals or miscellaneous goods, food wrap films, and transportation packaging materials. can do.
- the polyolefin resin film can also be used as a laminated film laminated with paper, non-woven fabric, cellophane or the like. In addition, it can be used as a label on another plastic resin molded article.
- the mass average molecular weight is determined by preparing a N, N-dimesylformamide solution having a polypropylene carbonate concentration of 0.5% and measuring it using a high performance liquid chromatograph. It is the value computed by comparing with polystyrene. Measurement conditions are as follows.
- Example 1 The polypropylene carbonate pellets obtained in Production Example 2 were added to 1-butyl-3-methylimidazolium tetrafluoroborate (hereinafter referred to as BMI-BF 4 ), and under vacuum at 25 ° C. for 24 hours to prevent moisture absorption. Impregnated. From the weight after impregnation, the amount of BMI-BF 4 impregnated was 26.7 wt% with respect to polypropylene carbonate.
- BMI-BF 4 1-butyl-3-methylimidazolium tetrafluoroborate
- Example 2 Polyolefin resin composition in the same manner as in Example 1, except that the type of ionic liquid was changed to N-butyl-N-methylpyrrolidinium bis (trifluoromethanesulfonyl) amide (hereinafter referred to as P14-TFSA). I got a thing.
- Example 3 Polyolefin resin composition in the same manner as in Example 1, except that the type of ionic liquid was changed to 1-butyl-3-methylimidazolium bis (trifluoromethanesulfonyl) amide (hereinafter referred to as BMI-TFSA). Got.
- Example 4 The types of ionic liquids N- butyl -N- methyl-pyrrolidinium tetrafluoroborate was replaced (hereinafter referred to as P14-BF 4), in the same manner as in Example 1, to obtain a polyolefin resin composition It was.
- Example 2 A polyolefin resin composition was obtained by kneading under the same conditions as in Example 1 except that the ionic liquid was not used.
- Table 1 shows the composition of the polyolefin resin (polypropylene), the polyalkylene carbonate resin and the ionic liquid in Examples 1 to 4 and Comparative Examples 1 to 4 (Comparative Example 4 further includes maleic acid-modified polypropylene). ing.
- Measuring machine Diamond DSC manufactured by Perkin Elmer Temperature increase rate: 20 ° C / min Temperature drop rate: 20 ° C / min Measurement temperature range: 0 to 230 ° C (2) Hot press molding A specimen for a tensile test was prepared by hot press molding.
- Apparatus Desktop hot press manufactured by Techno Supply Co. Press temperature: 230 ° C Press pressure: 20 MPa (3) Tensile test Yield stress, neck stress, neck strain, rupture stress, rupture strain, and elastic modulus were measured using the following test piece and measuring device in accordance with JIS K 7161: 1994. Resilience was calculated from the integrated value up to the neck strain in the stress-strain curve.
- Test piece Dumbbell type (parallel portion length 10 mm, parallel portion width 4 mm, thickness 0.2 mm)
- Measuring instrument INSTRON tensile tester MODEL4466
- Tensile speed 10 mm / min and 120 mm / min
- Measurement temperature 25 ° C
- Tables 1 and 2 show the evaluation results of the resin compositions obtained in Examples and Comparative Examples. Table 1 shows the results of the tensile speed of 120 mm / min, and Table 2 shows the results of the tensile speed of 10 mm / min.
- a “micro compounder” manufactured by DSM Xplore kneaded at a rotation speed of 50 rpm and 160 ° C. for 5 minutes
- the obtained polyolefin resin composition was processed at a press temperature of 210 ° C. and a press pressure of 20 MPa using a desktop hot press manufactured by Techno Supply Co., to obtain a sheet-like molded body having a thickness of 0.2 mm.
- the obtained sheet-like molded product was stretched at 1.5 ° C., 2 ⁇ , and 9 ⁇ at 25 ° C. and 120 mm / min. Each was stretched in the MD direction.
- three types of polyolefin resin films having thicknesses of 0.18 mm (1.5 times), 0.15 mm (2 times), and 0.075 mm (9 times) were obtained.
- Example 6 Except that the type of ionic liquid was changed to BMI-BF 4 , two types of polyolefin-based resin films having stretch ratios of 2 and 9 respectively were obtained in the same manner as in Example 5.
- Example 7 Two types of polyolefin resins having a draw ratio of 2 times and 9 times, respectively, in the same manner as in Example 5 except that the blending amount of polypropylene carbonate was changed to 10 parts by weight and the blending amount of high density polyethylene was changed to 89 parts by weight. A film was obtained.
- the obtained polyolefin resin composition was processed at a press temperature of 230 ° C. and a press pressure of 20 MPa using a desktop hot press manufactured by Techno Supply Co., to obtain a sheet-like molded body having a thickness of 0.2 mm.
- the obtained sheet-like molded product was drawn using a tensile tester “MODEL 4466” manufactured by INSTRON Co., Ltd. so that the draw ratio was doubled at 25 ° C. and 120 mm / min, and a polyolefin having a thickness of 0.15 mm A resin film was obtained.
- Example 9 A polyolefin resin film was obtained in the same manner as in Example 8 except that the blending amount of polypropylene carbonate was changed to 10 parts by mass and the blending amount of polypropylene was changed to 89 parts by mass.
- Example 10 A polyolefin resin composition having the same composition as in Example 5 was processed at a press temperature of 210 ° C. and a press pressure of 20 MPa using a desktop hot press manufactured by Techno Supply Co., to obtain a sheet-like molded body having a thickness of 1 mm. It was. Using the INSTRON tensile tester “MODEL 4466”, the obtained sheet-like molded product was stretched at 1.5 ° C., 2 ⁇ , and 9 ⁇ at 25 ° C.
- Example 11 A polyolefin resin composition having the same composition as in Example 5 was processed at a press temperature of 210 ° C. and a press pressure of 20 MPa using a desktop hot press manufactured by Techno Supply Co., Ltd., and a sheet-like molded product having a thickness of 0.2 mm. Got. Using the INSTRON tensile tester “MODEL 4466”, the obtained sheet-like molded products were respectively aligned in the MD direction at 100 ° C. and 120 mm / min so that the stretching ratio was 2 and 9 times. Stretched. Thereby, two types of polyolefin resin films having thicknesses of 0.15 mm (twice) and 0.075 mm (9 times) were obtained.
- Example 6 A polyolefin resin film was obtained in the same manner as in Example 5 except that the ionic liquid was not used and the blending amount of the high density polyethylene was changed to 97 parts by mass.
- Table 3 shows the blended composition of the polyolefin resin, polyalkylene carbonate resin and ionic liquid in Examples 5 to 11 and Comparative Examples 5 to 7.
- Measuring instrument Hioki Electric super insulation meter SM-8220 Measurement temperature: 23 ° C Measurement humidity: 50% Rh Measurement conditions: Resistivity when 500 V was applied for 1 minute was taken as a measurement value.
- Table 4 shows the measurement results of the surface resistivity of the polyolefin-based resin films obtained in Examples 5 to 11 and Comparative Examples 5 and 6, with draw ratios of 1.5 times, 2 times, and 9 times, respectively. . Moreover, the measurement result of the surface resistivity of the polyolefin-type resin film (1 time) which is not extended
- FIG. 1 shows the relationship between the draw ratio and the surface resistivity of the films obtained in Example 5 and Comparative Example 5.
- Examples 5 to 11 in Table 4 it was found that the surface resistivity was greatly reduced by stretching, and from this, the antistatic performance was increased by stretching the polyolefin resin film. Can be seen to improve. Further, Examples 8 and 9 show that the effect of reducing the surface resistivity by stretching can be obtained not only in polyethylene but also in polypropylene.
- Comparative Example 5 the film made of only a polyolefin-based resin showed almost no change in surface resistivity before and after stretching, and no improvement in antistatic performance by stretching the film was observed.
- Comparative Examples 6 and 7 it can be seen from Comparative Examples 6 and 7 that even when the film is formed using a polypropylene resin resin or a polyolefin resin composition containing no ionic liquid, the antistatic performance is not improved by stretching.
- the polyolefin resin composition of the present invention has excellent resilience in addition to the mechanical properties of polyolefin resin, it can be used for applications that could not be used due to low resilience, and is extremely useful. It is.
- the polyolefin resin film of the present invention is excellent in antistatic performance in addition to maintaining mechanical properties and improving resilience. Therefore, in addition to the applications where polyolefin resin films have been used, polyolefin resin films have been used for packaging materials such as electronic materials that have been restricted in use because they dislike electrostatic discharge and dust adhesion. Can also be used.
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Abstract
Description
項1.
ポリオレフィン系樹脂とポリアルキレンカーボネート樹脂とイオン液体とを含有する、ポリオレフィン系樹脂組成物。
項2.
ポリアルキレンカーボネート樹脂がポリプロピレンカーボネートである、上記項1に記載のポリオレフィン系樹脂組成物。
項3.
イオン液体が、アンモニウムイオン、ピリジニウムイオン、ピロリジニウムイオン、ピロリニウムイオン、オキサゾリウムイオン、オキサゾリニウムイオン、イミダゾリウムイオン、チアゾリウムイオン及びホスホニウムイオンからなる群より選択される1種のカチオンと、ハロゲンイオン、ホスフェートイオン、ニトレートイオン、スルフェートイオン、ビスルフェートイオン、スルホネートイオン、トシレートイオン、パークロレートイオン、アルミネートイオン、ジアルミネートイオン、ボレートイオン、アミドイオン、ジシアンアミドイオン、スクシネートイオン、チオシアネートイオン、及びカルボキシレートイオンからなる群より選択される1種のアニオンとの組み合わせから構成される塩である、上記項1または2に記載のポリオレフィン系樹脂組成物。
項4.
ポリオレフィン系樹脂100質量部に対して、ポリアルキレンカーボネート樹脂0.05~20質量部、イオン液体0.01~5質量部を含有する、上記項1~3のいずれかに記載のポリオレフィン系樹脂組成物。
項5.
ポリオレフィン系樹脂がポリプロピレン又はポリエチレンである、上記項1~4のいずれかに記載のポリオレフィン系樹脂組成物。
項6.
ポリオレフィン系樹脂がポリプロピレンである、上記項1~4のいずれかに記載のポリオレフィン系樹脂組成物。
項7.
上記項1~6のいずれかに記載のポリオレフィン系樹脂組成物を成形してなる成形体。
項8.
上記項1~6のいずれかに記載のポリオレフィン系樹脂組成物を成形してなるポリオレフィン系樹脂フィルムであって、少なくとも一軸方向に延伸されている、ポリオレフィン系樹脂フィルム。
項9.
前記一軸方向における延伸倍率が1.01~20.0である、上記項8に記載のポリオレフィン系樹脂フィルム。
ポリオレフィン系樹脂組成物は、ポリオレフィン系樹脂とポリアルキレンカーボネート樹脂とイオン液体とを含有する。
(東ソー株式会社の商品名、TSKgel GMHHR-H HT)
カラム温度:140℃
溶出液:1,2-ジクロロベンゼン
流速:1mL/min
樹脂の流動性は、例えば、JIS K 7210:1999に規定された方法で測定されるメルトフローレート(MFR、単位:g/10分)によって表される。上記ポリオレフィン系樹脂では、当該方法により、温度230℃、荷重2.16kgで測定されたMFR値の下限が0.5であることが好ましく、上限が100であることが好ましい。より好ましい上記MFR値の下限は1、より好ましい上記MFR値の上限は50(g/10分)である。ポリオレフィン系樹脂のMFRの値が0.5以上であると、得られるポリオレフィン系樹脂組成物の流動性が低すぎることがなく、押出成形法、ブロー成形法などによって好ましく成形することができる。また、ポリオレフィン系樹脂のMFRの値が100以下であると、射出成形法などによって好ましく成形することができる。
(昭和電工株式会社の商品名、Shodex OHPac SB-800シリーズ)
カラム温度:40℃
溶出液:0.03mol/L 臭化リチウム‐N,N-ジメチルホルムアミド溶液
流速:0.6mL/min
ポリアルキレンカーボネート樹脂の質量平均分子量が10,000以上であると、得られるポリオレフィン系樹脂組成物の機械強度が好ましく向上し得る。また、ポリアルキレンカーボネート樹脂の質量平均分子量が2,000,000以下であると、ポリオレフィン系樹脂への分散性がより向上し得る。
で表されるカチオンであることが好ましい。
で表されるカチオンであることが好ましい。
で表されるカチオンであることが好ましい。
で表されるカチオンであることが好ましい。
で表されるカチオンであることが好ましい。
成形体は、上記ポリオレフィン系樹脂組成物から成形された成形体である。
ポリオレフィン系樹脂フィルムは、上記ポリオレフィン系樹脂組成物がフィルム状に成形されてなるが、特に、少なくとも一軸方向に延伸されて形成されたフィルムである。
加熱温度の下限は、ポリオレフィン系樹脂のガラス転移温度以上の温度が好ましく、ガラス転移温度よりも30℃以上高い温度がより好ましく、ガラス転移温度よりも50℃以上高い温度がさらに好ましい。加熱温度の上限は、ポリオレフィン系樹脂の融点以下の温度が好ましく、融点よりも5℃以上低い温度がより好ましく、融点よりも10℃以上低い温度がさらに好ましい。
攪拌機、窒素ガス導入管、温度計、ディーンスターク管、還流冷却管を備えた0.5L容の四つ口フラスコに、酸化亜鉛7.73g(95mmol)、グルタル酸12.3g(100mmol)、酢酸0.114g(2mmol)およびトルエン76.0gを仕込んだ。次に、反応系内に50mL/minの流量で窒素を流しながら、55℃まで昇温し、同温度で4時間攪拌して反応させた。その後、110℃まで昇温し、さらに同温度で2時間攪拌して共沸脱水させ、水分を除去した後、室温まで冷却して、有機亜鉛触媒を含むスラリー液を得た。
攪拌機、ガス導入管、温度計を備えた1L容のオートクレーブの系内をあらかじめ窒素雰囲気に置換した後、製造例1により得られた有機亜鉛触媒を含むスラリー液39.1g(有機亜鉛触媒を45mmol含む)、炭酸ジメチル192.4g、プロピレンオキシド26.1g(450mmol)を仕込んだ。次に、攪拌下、二酸化炭素を加え、反応系内が1.0MPaとなるまで二酸化炭素を充填した。その後、60℃に昇温し、反応により消費される二酸化炭素を補給しながら8時間重合反応を行なった。反応終了後、オートクレーブを冷却して脱圧し、ろ過した後、減圧乾燥してポリプロピレンカーボネート40gを得た。得られたポリプロピレンカーボネートの質量平均分子量は、336,000(Mw/Mn=9.02)であった。
(昭和電工株式会社の商品名、Shodex OHPac SB-800シリーズ)
カラム温度:40℃
溶出液:0.03mol/L 臭化リチウム‐N,N-ジメチルホルムアミド溶液
流速:0.6mL/min
[製造例3](ポリプロピレンカーボネートの製造)
製造例2において、重合反応時間を8時間から10時間に変更した以外は製造例2と同様にしてポリプロピレンカーボネート40gを得た。得られたポリプロピレンカーボネートの質量平均分子量は、330,000(Mw/Mn=10.02)であった。
製造例2で得られたポリプロピレンカーボネートペレットを1-ブチル-3-メチルイミダゾリウムテトラフルオロボレート(以下、BMI-BF4と表記する)に加え、吸湿を防ぐために真空下、25℃で24時間、含浸した。含浸後の重量から、BMI-BF4の含浸量はポリプロピレンカーボネートに対して26.7wt%であった。このイオン液体含浸ポリプロピレンカーボネートペレットとポリプロピレン(日本ポリプロ株式会社製、Mw=380,000、Mw/Mn=4.9)をDSM Xplore社製マイクロコンパウンダーに投入し、回転数50rpm、180℃で5分間混練し、室温で放置してポリオレフィン系樹脂組成物を得た。
イオン液体の種類をN-ブチル-N-メチルピロリジニウムビス(トリフルオロメタンスルホニル)アミド(以下、P14-TFSAと表記する)に代えた以外は、実施例1と同様にして、ポリオレフィン系樹脂組成物を得た。
イオン液体の種類を1-ブチル-3-メチルイミダゾリウムビス(トリフルオロメタンスルホニル)アミド(以下、BMI-TFSAと表記する)に代えた以外は、実施例1と同様にして、ポリオレフィン系樹脂組成物を得た。
イオン液体の種類をN-ブチル-N-メチルピロリジニウムテトラフルオロボレート(以下、P14-BF4と表記する)に代えた以外は、実施例1と同様にして、ポリオレフィン系樹脂組成物を得た。
ポリプロピレンのみを実施例1と同様の条件で混練し、ポリオレフィン系樹脂組成物を得た。
イオン液体を用いない以外は実施例1と同様の条件で混練し、ポリオレフィン系樹脂組成物を得た。
ポリプロピレンカーボネートを用いない以外は実施例1と同様の条件で混練したが、イオン液体が混ざらずポリオレフィン系樹脂組成物は得られなかった。
イオン液体の代わりに、相溶化剤としてマレイン酸変性ポリプロピレン(三井化学社製アドマーQE800、MFR=9.1g/10min)を用いた以外は実施例1と同様の条件で混練し、ポリオレフィン系樹脂組成物を得た。
実施例および比較例により得られたポリオレフィン系樹脂組成物の示差走査熱量測定(DSC測定)、および一軸引張試験を、以下の方法により行った。一軸引張試験は、熱プレス成形により得た試験片を使用して行った。
ポリオレフィン系樹脂組成物の結晶化温度および融点を、以下の装置を用いて測定した。
昇温速度:20℃/min
降温速度:20℃/min
測定温度範囲:0~230℃
(2)熱プレス成形
引張試験用の試験片を熱プレス成形により作成した。
プレス温度:230℃
プレス圧力:20MPa
(3)引張試験
JIS K 7161:1994に準拠し、以下の試験片および測定装置を用いて、降伏応力、ネック応力、ネックひずみ、破断応力、破断ひずみおよび弾性率を測定した。また、レジリエンスは応力-ひずみ曲線における、ネックひずみまでの積分値から算出した。
測定機:INSTRON社製引張試験機 MODEL4466
引張速度: 10mm/minおよび120mm/min
測定温度:25℃
実施例および比較例で得られた樹脂組成物の評価結果を表1、表2に示す。なお、引張速度120mm/minの結果を表1に、引張速度10mm/minの結果を表2に示している。
製造例3で得られたポリプロピレンカーボネートを3質量部、BMI-TFSAを1質量部、高密度ポリエチレン(東レ株式会社製、Mw=750,000、Mw/Mn=6.3、Tg=-120℃、融点=134℃)を96質量部準備し、これらをDSM Xplore社製「マイクロコンパウンダー」に投入し、回転数50rpm、160℃で5分間混練し、室温で放置してポリオレフィン系樹脂組成物を得た。
イオン液体の種類をBMI-BF4に代えた以外は、実施例5と同様にして、延伸倍率がそれぞれ2倍及び9倍である2種類のポリオレフィン系樹脂フィルムを得た。
ポリプロピレンカーボネートの配合量を10質量部、高密度ポリエチレンの配合量を89質量部に代えた以外は実施例5と同様にして、延伸倍率がそれぞれ2倍及び9倍である2種類のポリオレフィン系樹脂フィルムを得た。
製造例3で得られたポリプロピレンカーボネート樹脂を3質量部、BMI-TFSAを1質量部、ポリプロピレン(日本ポリプロ株式会社製、Mw=380,000、Mw/Mn=4.9、Tg=3℃、融点=164℃)を96質量部準備し、これらをDSM Xplore社製「マイクロコンパウンダー」に投入し、回転数50rpm、180℃で5分間混練し、室温で放置してポリオレフィン系樹脂組成物を得た。
ポリプロピレンカーボネートの配合量を10質量部、ポリプロピレンの配合量を89質量部に代えた以外は実施例8と同様にして、ポリオレフィン系樹脂フィルムを得た。
(実施例10)
実施例5と同様の配合のポリオレフィン系樹脂組成物を、テクノサプライ社製卓上型ホットプレスを用いて、プレス温度210℃、プレス圧力20MPaで加工し、厚さ1mmのシート状の成形体を得た。
得られたシート状の成形体を、INSTRON社製引張試験機「MODEL4466」を用いて、25℃、120mm/分で延伸倍率が1.5倍、2倍及び9倍の3種類になるようにそれぞれMD方向に延伸加工した。これにより、それぞれ厚さ0.9mm(1.5倍)、0.75mm(2倍)及び0.4mm(9倍)である3種類のポリオレフィン系樹脂フィルムを得た。
(実施例11)
実施例5と同様の配合のポリオレフィン系樹脂組成物を、テクノサプライ社製卓上型ホットプレスを用いて、プレス温度210℃、プレス圧力20MPaで加工し、厚さ0.2mmのシート状の成形体を得た。
得られたシート状の成形体を、INSTRON社製引張試験機「MODEL4466」を用いて、100℃、120mm/分で延伸倍率が、2倍及び9倍の2種類になるようにそれぞれMD方向に延伸加工した。これにより、それぞれ厚さ0.15mm(2倍)及び0.075mm(9倍)である2種類のポリオレフィン系樹脂フィルムを得た。
ポリエチレンのみを実施例5と同様の条件で加工し、ポリオレフィン系樹脂フィルムを得た。
イオン液体を用いず、高密度ポリエチレンの配合量を97質量部に代えた以外は実施例5と同様にして、ポリオレフィン系樹脂フィルムを得た。
ポリプロピレンカーボネートを用いず、高密度ポリエチレンの量を99質量部に代えた以外は実施例5と同様の条件で混練したが、イオン液体が混ざらずポリオレフィン系樹脂組成物は得られなかった。
(1)表面抵抗率
JIS K 6911:1995に準拠し、以下の測定装置を用いて測定した。
測定温度:23℃
測定湿度:50%Rh
測定条件:500Vを一分間印加したときの抵抗率を測定値とした。
Claims (9)
- ポリオレフィン系樹脂とポリアルキレンカーボネート樹脂とイオン液体とを含有する、ポリオレフィン系樹脂組成物。
- ポリアルキレンカーボネート樹脂がポリプロピレンカーボネートである、請求項1に記載のポリオレフィン系樹脂組成物。
- イオン液体が、アンモニウムイオン、ピリジニウムイオン、ピロリジニウムイオン、ピロリニウムイオン、オキサゾリウムイオン、オキサゾリニウムイオン、イミダゾリウムイオン、チアゾリウムイオン及びホスホニウムイオンからなる群より選択される1種のカチオンと、ハロゲンイオン、ホスフェートイオン、ニトレートイオン、スルフェートイオン、ビスルフェートイオン、スルホネートイオン、トシレートイオン、パークロレートイオン、アルミネートイオン、ジアルミネートイオン、ボレートイオン、アミドイオン、ジシアンアミドイオン、スクシネートイオン、チオシアネートイオン、及びカルボキシレートイオンからなる群より選択される1種のアニオンとの組み合わせから構成される塩である、請求項1または2に記載のポリオレフィン系樹脂組成物。
- ポリオレフィン系樹脂100質量部に対して、ポリアルキレンカーボネート樹脂0.05~20質量部、イオン液体0.01~5質量部を含有する、請求項1~3のいずれかに記載のポリオレフィン系樹脂組成物。
- ポリオレフィン系樹脂がポリプロピレン又はポリエチレンである、請求項1~4のいずれかに記載のポリオレフィン系樹脂組成物。
- ポリオレフィン系樹脂がポリプロピレンである、請求項1~4のいずれかに記載のポリオレフィン系樹脂組成物。
- 請求項1~6のいずれかに記載のポリオレフィン系樹脂組成物を成形してなる成形体。
- 請求項1~6のいずれかに記載のポリオレフィン系樹脂組成物を成形してなるポリオレフィン系樹脂フィルムであって、少なくとも一軸方向に延伸されている、ポリオレフィン系樹脂フィルム。
- 前記一軸方向における延伸倍率が1.01~20.0である、請求項8に記載のポリオレフィン系樹脂フィルム。
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| JP2016545449A JP6615763B2 (ja) | 2014-08-29 | 2015-08-18 | ポリオレフィン系樹脂組成物、成形体及びポリオレフィン系樹脂フィルム |
| KR1020177006492A KR20170047267A (ko) | 2014-08-29 | 2015-08-18 | 폴리올레핀계 수지 조성물, 성형체 및 폴리올레핀계 수지 필름 |
| EP15834900.1A EP3187533B1 (en) | 2014-08-29 | 2015-08-18 | Polyolefin resin composition, molding, and polyolefin resin film |
| CN201580046091.5A CN106604959B (zh) | 2014-08-29 | 2015-08-18 | 聚烯烃树脂组合物、成型体和聚烯烃树脂膜 |
| US15/506,405 US20170253733A1 (en) | 2014-08-29 | 2015-08-18 | Polyolefin resin composition, molding, and polyolefin resin film |
| US16/695,896 US20200095410A1 (en) | 2014-08-29 | 2019-11-26 | Polyolefin resin composition, molding, and polyolefin resin film |
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| US10306333B2 (en) | 2017-09-13 | 2019-05-28 | The Nielsen Company (Us), Llc | Flagging advertisement frames for automatic content recognition |
| EP3418329A4 (en) * | 2016-02-16 | 2019-09-25 | Sumitomo Seika Chemicals Co. Ltd. | POLYOLEFIN BASED RESIN COMPOSITION, MOLD AND POLYOLEFIN BASED RESIN FILM |
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| CN114806013A (zh) * | 2022-04-29 | 2022-07-29 | 苏州润佳高分子材料有限公司 | 一种抗菌的聚丙烯材料及其制备方法 |
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| WO2012051219A2 (en) * | 2010-10-11 | 2012-04-19 | Novomer, Inc. | Polymer blends |
| CN103554862A (zh) * | 2013-08-14 | 2014-02-05 | 绍兴佳华高分子材料股份有限公司 | 一种透明抗静电的聚碳酸酯材料及其制备方法 |
| CN103450653A (zh) * | 2013-09-04 | 2013-12-18 | 上海锦湖日丽塑料有限公司 | 一种高效抗静电pc/asa合金及其制备方法 |
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| JP2009079174A (ja) * | 2007-09-27 | 2009-04-16 | Techno Polymer Co Ltd | 熱可塑性重合体組成物および成形品 |
| JP2010047702A (ja) * | 2008-08-22 | 2010-03-04 | Toho Chem Ind Co Ltd | 耐汚染性、透明性、光沢性に優れた帯電防止性熱可塑性樹脂組成物 |
| JP2010209218A (ja) * | 2009-03-10 | 2010-09-24 | Techno Polymer Co Ltd | 制電性樹脂組成物及び成形品 |
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| EP3418329A4 (en) * | 2016-02-16 | 2019-09-25 | Sumitomo Seika Chemicals Co. Ltd. | POLYOLEFIN BASED RESIN COMPOSITION, MOLD AND POLYOLEFIN BASED RESIN FILM |
| US10306333B2 (en) | 2017-09-13 | 2019-05-28 | The Nielsen Company (Us), Llc | Flagging advertisement frames for automatic content recognition |
| US10887667B2 (en) | 2017-09-13 | 2021-01-05 | The Nielsen Company (Us), Llc | Flagging advertisement frames for automatic content recognition |
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| TWI685526B (zh) | 2020-02-21 |
| KR20170047267A (ko) | 2017-05-04 |
| JP6615763B2 (ja) | 2019-12-04 |
| US20200095410A1 (en) | 2020-03-26 |
| CN106604959B (zh) | 2020-07-28 |
| TW201615719A (zh) | 2016-05-01 |
| CN106604959A (zh) | 2017-04-26 |
| EP3187533A1 (en) | 2017-07-05 |
| JPWO2016031626A1 (ja) | 2017-06-08 |
| US20170253733A1 (en) | 2017-09-07 |
| EP3187533A4 (en) | 2018-02-28 |
| EP3187533B1 (en) | 2019-02-20 |
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