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WO2024232230A1 - Composition de résine, et couche de dossier de tapis contenant celle-ci - Google Patents

Composition de résine, et couche de dossier de tapis contenant celle-ci Download PDF

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Publication number
WO2024232230A1
WO2024232230A1 PCT/JP2024/015220 JP2024015220W WO2024232230A1 WO 2024232230 A1 WO2024232230 A1 WO 2024232230A1 JP 2024015220 W JP2024015220 W JP 2024015220W WO 2024232230 A1 WO2024232230 A1 WO 2024232230A1
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WO
WIPO (PCT)
Prior art keywords
mass
resin composition
resin
fiber
parts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/JP2024/015220
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English (en)
Japanese (ja)
Inventor
和貴 小林
一郎 寒河江
哲真 田中
雄太 竹内
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Resonac Corp
Original Assignee
Resonac Corp
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Filing date
Publication date
Application filed by Resonac Corp filed Critical Resonac Corp
Priority to KR1020257010698A priority Critical patent/KR20250057885A/ko
Priority to CN202480013770.1A priority patent/CN120731248A/zh
Publication of WO2024232230A1 publication Critical patent/WO2024232230A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

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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
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G27/00—Floor fabrics; Fastenings therefor
    • A47G27/02—Carpets; Stair runners; Bedside rugs; Foot mats
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • 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
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0016—Plasticisers
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/06—Elements
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass
    • 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
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
    • 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
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or halogen-containing compounds
    • C08L23/286—Chlorinated polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/22—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C08L27/24—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers modified by chemical after-treatment halogenated
    • 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
    • C08L2207/20—Recycled plastic
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2503/00—Domestic or personal
    • D10B2503/04—Floor or wall coverings; Carpets
    • D10B2503/041—Carpet backings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • the present disclosure relates to a resin composition and a carpet backing layer containing the same.
  • Patent Document 1 discloses a method for producing a recycled modified resin compound, in which one or more types of recycled resin compounds obtained by pulverizing composite thermoplastic resin waste in advance to a particle size of 500 ⁇ m or less are granulated by stirring and mixing the recycled resin compounds until they are in a semi-molten state.
  • an object of the present disclosure is to provide a resin composition that is excellent in elongation at break and tear strength and does not impair low-temperature properties.
  • the inventors conducted extensive research to solve the above problems and found that a resin composition containing a resin material (X) containing a thermoplastic resin (A) containing polyvinyl chloride resin, a fiber (B), and a plasticizer (C), and a chlorinated polyolefin (Y) has excellent elongation at break and tear strength, and does not impair low-temperature properties.
  • a resin composition containing a thermoplastic resin (A) containing polyvinyl chloride resin, a fiber (B), a plasticizer (C), and a chlorinated polyolefin (Y) has excellent elongation at break and tear strength, and does not impair low-temperature properties.
  • a resin composition comprising a resin material (X) containing a thermoplastic resin (A) including a polyvinyl chloride resin, fibers (B), and a plasticizer (C), and a chlorinated polyolefin (Y).
  • a resin material containing a thermoplastic resin (A) including a polyvinyl chloride resin, fibers (B), and a plasticizer (C), and a chlorinated polyolefin (Y).
  • the resin composition according to [1] comprising 1.0 part by mass or more and 80.0 parts by mass or less of the chlorinated polyolefin (Y) per 100 parts by mass of the resin material (X).
  • a carpet backing layer comprising the resin composition according to any one of [1] to [9].
  • a resin composition comprising a thermoplastic resin (A) containing a polyvinyl chloride resin, a fiber (B), a plasticizer (C), and a chlorinated polyolefin (Y).
  • a resin composition according to [11] wherein the resin composition contains 1.0 mass % or more and 45.0 mass % or less of the chlorinated polyolefin (Y).
  • the fiber (B) is at least one selected from the group consisting of nylon fiber, polyester fiber, acrylic fiber, polypropylene fiber, glass fiber, and carbon fiber.
  • This disclosure makes it possible to provide a resin composition that has excellent elongation at break and tear strength and does not impair low-temperature properties.
  • FIG. 1 is a photograph of the sheet produced in Example 4, observed using a microscope at a magnification of 70 times.
  • FIG. 2 is a photograph of the sheet produced in Comparative Example 1 observed using a microscope at a magnification of 70 times.
  • the resin composition according to one embodiment of the present invention includes a resin material (X) including a thermoplastic resin (A) containing a polyvinyl chloride resin, a fiber (B), and a plasticizer (C), and a chlorinated polyolefin (Y).
  • the resin composition is also referred to as a resin composition (Z-1).
  • the resin composition according to one embodiment of the present invention includes a thermoplastic resin (A) containing a polyvinyl chloride resin, a fiber (B), a plasticizer (C), and a chlorinated polyolefin (Y).
  • the resin composition is also referred to as a resin composition (Z-2).
  • the resin composition (Z-1) and the resin composition (Z-2) are collectively referred to as the resin composition (Z).
  • the resin material (X) includes a thermoplastic resin (A) containing a polyvinyl chloride resin, fibers (B), and a plasticizer (C).
  • the thermoplastic resin (A) includes a polyvinyl chloride resin.
  • Polyvinyl chloride resins are homopolymers or copolymers of vinyl chloride, and examples thereof include vinyl chloride homopolymers, vinyl chloride-vinyl acetate copolymers, vinyl chloride-ethylene copolymers, vinyl chloride-ethylene-vinyl acetate copolymers, and vinyl chloride graft copolymers obtained by graft polymerizing vinyl chloride onto an ethylene-propylene copolymer.
  • the polyvinyl chloride resins can be used alone or in combination of two or more.
  • thermoplastic resin (A) other than polyvinyl chloride resin are not particularly limited, but examples include polyethylene resin, ethylene-vinyl acetate resin copolymer, acrylic resin, etc.
  • the other thermoplastic resins can be used alone or in combination of two or more.
  • thermoplastic resin (A) preferably contains 50.0 mass% or more of polyvinyl chloride resin, more preferably 70.0 mass% or more, and even more preferably 100.0 mass% (i.e., thermoplastic resin (A) consists only of polyvinyl chloride resin).
  • the content of the thermoplastic resin (A) is preferably 5.0 mass% or more and 80.0 mass% or less, more preferably 10.0 mass% or more and 50.0 mass% or less, and even more preferably 15.0 mass% or more and 30.0 mass% or less, based on 100 mass% of the resin material (X).
  • the resin composition (Z-1) contains the thermoplastic resin (A) in an amount of preferably 5.0 parts by mass or more and 80.0 parts by mass or less, more preferably 10.0 parts by mass or more and 50.0 parts by mass or less, and even more preferably 15.0 parts by mass or more and 30.0 parts by mass or less, relative to a total of 40 parts by mass of the thermoplastic resin (A) containing the polyvinyl chloride resin, the fiber (B), and the plasticizer (C).
  • the fiber (B) is not particularly limited as long as it is a fiber that can be used together with the polyvinyl chloride resin, and is typically a fiber that can exist as a fiber in the polyvinyl chloride resin and is incompatible with the polyvinyl chloride resin.
  • Examples of such fibers include synthetic fibers such as nylon fibers including nylon 6 and/or nylon 66, polyester fibers, acrylic fibers, and polypropylene fibers; natural fibers such as hemp fibers, cotton fibers, and wool fibers; regenerated fibers such as cupra fibers, rayon fibers, and acetate fibers; and inorganic fibers such as glass fibers and carbon fibers.
  • the fiber (B) can be used alone or in combination of two or more types.
  • the fiber (B) is preferably at least one selected from the group consisting of synthetic fibers, glass fibers, and carbon fibers, and more preferably at least one selected from the group consisting of nylon fibers, polyester fibers, acrylic fibers, polypropylene fibers, glass fibers, and carbon fibers.
  • the diameter and length of the fiber (B) are not particularly limited, but the length is preferably 100 times or more the diameter or width.
  • the fibers (B) are present in the resin material (X) in a state where they are not compatible with the thermoplastic resin (A) and maintain the shape of the fibers.
  • the fibers (B) are also present in the resin composition (Z) in a state where they are not compatible with the thermoplastic resin (A) and maintain the shape of the fibers.
  • the fiber (B) is a fiber derived from waste that is mixed into the thermoplastic resin (A).
  • the resin material (X) is a material derived from tile carpet waste
  • the resin material (X) contains fibers derived from the tile carpet waste, particularly fibers derived from the surface pile layer and/or intermediate layer of the tile carpet.
  • a tile carpet is usually composed of a surface pile layer, at least one intermediate layer made of a nonwoven fabric, a woven fabric and/or a reinforcing material, and a backing layer (backing layer) containing a thermoplastic resin (A) and a plasticizer (C), and these layers are mechanically or chemically bonded together, so that even if one attempts to separate only the backing layer from the tile carpet in order to recover the thermoplastic resin (A), it is inevitable that the fibers derived from the surface pile layer and/or intermediate layer will be mixed into the thermoplastic resin (A).
  • the fiber (B) is preferably at least one selected from the group consisting of nylon fiber and polypropylene fiber derived from the surface pile layer, and polyester fiber and glass fiber derived from the intermediate layer.
  • the content of the fiber (B) is preferably 0.1 mass% or more and 40.0 mass% or less, more preferably 1.0 mass% or more and 20.0 mass% or less, and even more preferably 2.0 mass% or more and 7.0 mass% or less, based on 100 mass% of the resin material (X).
  • the resin composition (Z-1) contains the fiber (B) in an amount of preferably 0.1 part by mass or more and 40.0 parts by mass or less, more preferably 1.0 part by mass or more and 20.0 parts by mass or less, and even more preferably 2.0 parts by mass or more and 7.0 parts by mass or less, relative to a total of 40 parts by mass of the thermoplastic resin (A) containing the polyvinyl chloride resin, the fiber (B), and the plasticizer (C).
  • the content of fiber (B) is equal to or less than the upper limit, the physical properties are easily improved sufficiently when the chlorinated polyolefin (Y) described below is added to the resin material (X), and the resulting resin composition (Z-1) is less likely to crack during use.
  • the content of fiber (B) is equal to or more than the lower limit, the mechanical properties are easily improved significantly when the chlorinated polyolefin (Y) is added to the resin material (X).
  • the content of fiber (B) in the resin material (X) is preferably 10.0 parts by mass or more and 60.0 parts by mass or less, more preferably 20.0 parts by mass or more and 50.0 parts by mass or less, and even more preferably 30.0 parts by mass or more and 40.0 parts by mass or less, per 100 parts by mass of the thermoplastic resin (A).
  • the content of fiber (B) is equal to or less than the upper limit, the physical properties are easily improved sufficiently when the chlorinated polyolefin (Y) described below is added to the resin material (X), and cracks and the like are unlikely to occur during use of the resulting resin composition (Z-1).
  • the content of fiber (B) is equal to or more than the lower limit, the effect of improving the mechanical properties is likely to be large when the chlorinated polyolefin (Y) is added to the resin material (X).
  • plasticizer (C) any plasticizer commonly used for polyvinyl chloride resins can be used without any particular limitation. Since the resin material (X) contains a polyvinyl chloride resin and a plasticizer (C), it is preferably a material that can be used as a soft polyvinyl chloride resin material.
  • plasticizer (C) examples include: Phthalate ester plasticizers such as phthalate diesters such as dimethyl phthalate, diethyl phthalate, dibutyl phthalate, diheptyl phthalate, di-n-octyl phthalate, di-2-ethylhexyl phthalate (usually referred to as dioctyl phthalate, DOP), diisononyl phthalate (hereinafter also referred to as "DINP”), octyldecyl phthalate, diisodecyl phthalate, ditridecyl phthalate, butyl benzyl phthalate, and dicyclohexyl phthalate, and tetrahydrophthalate diesters such as di-n-octyl tetrahydrophthalate, di-2-ethylhexyl tetrahydrophthalate, and diisodecyl tetrahydrophthalate,
  • the plasticizer (C) is preferably a phthalate plasticizer, more preferably di-2-ethylhexyl phthalate or diisononyl phthalate.
  • the plasticizer (C) may be used alone or in combination of two or more kinds.
  • the content of the plasticizer (C) is preferably 1.0 mass% or more and 40.0 mass% or less, more preferably 3.0 mass% or more and 30.0 mass% or less, and even more preferably 10.0 mass% or more and 20.0 mass% or less, based on 100 mass% of the resin material (X).
  • the resin composition (Z-1) contains the plasticizer (C) in an amount of preferably 1.0 part by mass or more and 40.0 parts by mass or less, more preferably 3.0 parts by mass or more and 30.0 parts by mass or less, and even more preferably 10.0 parts by mass or more and 20.0 parts by mass or less, relative to a total of 40 parts by mass of the thermoplastic resin (A) containing the polyvinyl chloride resin, the fiber (B), and the plasticizer (C).
  • the thermoplastic resin (A) can be easily plasticized to an appropriate degree.
  • the content of the plasticizer (C) in the resin material (X) is preferably 20.0 parts by mass or more and 200.0 parts by mass or less, more preferably 40.0 parts by mass or more and 150.0 parts by mass or less, and even more preferably 50.0 parts by mass or more and 110.0 parts by mass or less, per 100 parts by mass of the thermoplastic resin (A).
  • the thermoplastic resin (A) is easily plasticized to an appropriate degree.
  • thermoplastic resin (A) is a polyvinyl chloride resin
  • a resin containing 20.0 parts by mass or more of the plasticizer (C) per 100 parts by mass of the thermoplastic resin (A) is generally called a soft polyvinyl chloride resin.
  • the resin material (X) may contain, in addition to the thermoplastic resin (A), the fiber (B), and the plasticizer (C), further other components such as a filler, a lubricant, a stabilizer for polyvinyl chloride resin, a pigment, a flame retardant, and an ultraviolet absorber.
  • the filler is usually a particulate material, and is blended to increase the amount of polyvinyl chloride resin and reduce costs.
  • the filler is not particularly limited, and any filler commonly used in polyvinyl chloride resins can be used.
  • the filler is a material different from the fiber (B). Examples of the filler include calcium carbonate, talc, mica, clay, silicon dioxide, aluminum hydroxide, magnesium hydroxide, carbon black, etc.
  • the fillers may be used alone or in combination of two or more.
  • the resin material (X) preferably further contains at least one filler selected from the group consisting of calcium carbonate, talc, mica, clay, silicon dioxide, aluminum hydroxide, magnesium hydroxide, and carbon black.
  • the content of the filler is preferably 80.0% by mass or less, and more preferably 60.0% by mass or less, based on 100% by mass of the resin material (X).
  • the resin composition (Z-1) contains the filler in an amount of preferably 80.0 parts by mass or less, more preferably 60.0 parts by mass or less, relative to a total of 40 parts by mass of the thermoplastic resin (A) containing the polyvinyl chloride resin, the fiber (B), and the plasticizer (C).
  • lubricant examples include fatty acid metal soap-based lubricants, ester compound-based lubricants, hydrocarbon-based lubricants, fatty acid-based lubricants, and higher alcohol-based lubricants.
  • Examples of the pigment include titanium oxide and organic pigments.
  • Examples of the flame retardant include diantimony trioxide, halogen-based flame retardants, phosphorus-based flame retardants, and composite flame retardants.
  • Examples of the ultraviolet absorbing agent include benzotriazole-based ultraviolet absorbing agents.
  • the resin material (X) is not particularly limited as long as it contains a thermoplastic resin (A), a fiber (B), and a plasticizer (C).
  • the resin material (X) may be used alone or in combination of two or more kinds.
  • the resin material (X) is preferably a waste-derived material.
  • the waste may be mixed resin waste containing a thermoplastic resin (A), a fiber (B), a plasticizer (C), a filler, etc., or may be a laminate waste of a layer made of a mixed resin containing a thermoplastic resin (A), a plasticizer (C), a filler, etc., and a layer made of fiber.
  • waste materials include the PVC (polyvinyl chloride resin) backing layer of tile carpets, long PVC floor sheets, multi-layer vinyl floor tiles (PVC homogeneous style), PVC waterproof sheets for construction, surface resin layers of PVC wallpapers, waterproof PVC sheets for civil engineering, PVC leather sheets for vehicle interiors, PVC covering materials for agriculture, and soundproof PVC sheets.
  • the waste materials are preferably waste tile carpets to be disposed of, that is, cut off pieces during tile carpet manufacturing or construction and used tile carpets from ordinary homes or offices, and more preferably the backing layer containing polyvinyl chloride resin contained in the waste tile carpets.
  • the shape of the resin material (X) used as the raw material of the resin composition (Z-1) is not particularly limited, but the resin material (X) is preferably cut in advance by a known method, and the particle size after cutting is preferably 500 ⁇ m or less, more preferably 300 ⁇ m or less. By making the particle size 500 ⁇ m or less, the resin material (X) can be easily and uniformly mixed with the chlorinated polyolefin during the production of the resin composition (Z-1) described below.
  • the particle size of the resin material (X) is the 50% particle size (D50) in the volume-based cumulative particle size distribution measured by a laser diffraction/scattering type particle size distribution measuring device (FRA, manufactured by Microtrack Bell Co., Ltd.).
  • the chlorinated polyolefin (Y) is obtained by chlorinating a polyolefin.
  • the type of polyolefin used as the raw material of the chlorinated polyolefin (Y) is not particularly limited, and examples thereof include homopolymers of ethylene, homopolymers of ⁇ -olefins such as propylene, butene-1, pentene-1, hexene-1, octene-1, and 4-methylpentene-1, copolymers of ethylene and ⁇ -olefins, and copolymers of two or more types of ⁇ -olefins.
  • the copolymers may be either random or block copolymers.
  • polystyrene resins may be used alone or in combination of two or more types.
  • homopolymers of ethylene and copolymers of ethylene and propylene i.e., polyethylene and ethylene-propylene copolymers, are preferred, and polyethylene is more preferred.
  • the melt flow rate (MFR) can be mentioned as a physical property related to the molecular weight of the chlorinated polyolefin (Y).
  • the melt flow rate of the chlorinated polyolefin (Y) is preferably 150g/10min or less, more preferably 0.01g/10min or more and 150g/10min or less, even more preferably 0.01g/10min or more and 20g/10min or less, and particularly preferably 0.01g/10min or more and 10g/10min or less. If the melt flow rate of the chlorinated polyolefin (Y) is 20g/10min or less, it is preferable because it is particularly excellent in cold resistance such as low-temperature impact embrittlement temperature.
  • the melt flow rate of the chlorinated polyolefin (Y) is preferably 0.01g/10min or more, taking into consideration the handling such as moldability.
  • the MFR of the chlorinated polyolefin (Y) is also low. It is known that the larger the molecular weight of the chlorinated polyolefin (Y), the higher the filling property and cold resistance, and there is a tendency that various properties can be improved more significantly.
  • the melt flow rate is a value measured in accordance with JIS K7210-1999, Method A, at a temperature of 180° C. and a load of 211.8 N (21.6 kgf).
  • the chlorinated polyolefin (Y) can be obtained by chlorinating the polyolefin.
  • the method for chlorinating the polyolefin is not particularly limited, and known methods can be used. Known methods include the aqueous suspension method and the gas phase method, among which the aqueous suspension method is preferred. As a production method using the aqueous suspension method, specifically, the methods described in JP-A-54-124096 and JP-A-4-106109 can be used.
  • an example of a method for producing chlorinated polyethylene using the aqueous suspension method is a method in which chlorine is introduced into a suspension in which polyethylene powder is mixed with water together with a surfactant and the polyethylene powder is suspended in water, or a solution in which polyethylene is dissolved in a solvent, and chlorination is performed by heating or ultraviolet irradiation.
  • the chlorinated polyolefin (Y) is preferably a chlorinated polyethylene or a chlorinated ethylene-propylene copolymer, more preferably a chlorinated polyethylene, and even more preferably a chlorinated polyethylene produced using an aqueous suspension method.
  • Chlorinated polyethylene is characterized by being a rubber elastic body with high filling properties, cold resistance, and weather resistance. Filling properties are also called filler loading properties, and refer to the property of maintaining tensile strength, elongation, toughness, impact strength, etc. even when a resin contains a high ratio of incompatible components.
  • resin material (X) contains fiber (B), and in some cases further contains a filler. Therefore, resin material (X) tends to lose various physical properties such as elongation at break expected from a soft polyvinyl chloride resin composition containing polyvinyl chloride resin and plasticizer (C).
  • Elongation at break and tear strength can be improved by adding chlorinated polyethylene with high filling properties to resin material (X).
  • the property of chlorinated polyethylene being a soft material similar to rubber also contributes to improving the elongation at break of resin composition (Z-1).
  • Elongation at break and tear strength are mechanical properties that are particularly important for the backing layer of tile carpets, as they are less likely to break during installation.
  • the chlorine content of the chlorinated polyolefin (Y) is preferably 5.0% by mass or more and 50.0% by mass or less, more preferably 20.0% by mass or more and 50.0% by mass or less, even more preferably 25.0% by mass or more and 45.0% by mass or less, and particularly preferably 30.0% by mass or more and 35.0% by mass or less. If the chlorine content of the chlorinated polyolefin (Y) is too small, the performance will be closer to that of polyolefin, and if it is too large, the properties will be closer to that of polyvinyl chloride. Therefore, when the chlorine content of the chlorinated polyolefin (Y) is within the above range, the above properties of the chlorinated polyolefin (Y) are easily exhibited.
  • the chlorinated polyolefin (Y) may be amorphous or crystalline.
  • the chlorinated polyolefin (Y) is preferably amorphous since it can produce a resin composition (Z) with excellent low-temperature properties.
  • "amorphous" means that the heat of crystalline fusion measured by heating a measurement sample from room temperature at a heating rate of 10°C per minute using a differential scanning calorimeter is 2.0 J/g or less.
  • the specific gravity of the chlorinated polyolefin (Y) is preferably 1.05 or more and 1.30 or less. If the specific gravity of the chlorinated polyolefin (Y) is within the above range, it is easy to obtain a soft resin composition (Z).
  • the content of the chlorinated polyolefin (Y) in the resin composition (Z-1) is preferably 1.0 part by mass or more and 80.0 parts by mass or less, more preferably 5.0 parts by mass or more and 40.0 parts by mass or less, still more preferably 10.0 parts by mass or more and 30.0 parts by mass or less, and particularly preferably 15.0 parts by mass or more and 30.0 parts by mass or less, based on 100 parts by mass of the resin material (X).
  • the resin composition (Z-1) contains the chlorinated polyolefin (Y) in an amount of preferably 1.0 part by mass or more and 80.0 parts by mass or less, more preferably 5.0 parts by mass or more and 40.0 parts by mass or less, still more preferably 10.0 parts by mass or more and 30.0 parts by mass or less, and particularly preferably 15.0 parts by mass or more and 30.0 parts by mass or less, relative to a total of 40 parts by mass of the thermoplastic resin (A) containing the polyvinyl chloride resin, the fiber (B), and the plasticizer (C).
  • the content of the chlorinated polyolefin (Y) is equal to or more than the lower limit, the effect of improving the properties of the resin material (X) is easily obtained.
  • the content of the chlorinated polyolefin (Y) is equal to or less than the upper limit, it is economically preferable.
  • chlorinated polyolefin (Y) in powder or pellet form so that it can be mixed uniformly with other components such as the resin material (X).
  • the method for producing the resin composition (Z-1) is not particularly limited, and the resin composition (Z-1) can be obtained by mixing the resin material (X) and the chlorinated polyolefin (Y). Examples of the method include kneading using a mixing roll, a Banbury mixer, a kneader, an extrusion molding machine, and the like.
  • the resin composition (Z-1) may contain one or more third components other than the resin material (X) and the chlorinated polyolefin (Y).
  • the plasticizer (C) may be added as the third component.
  • the resin composition (Z-1) may contain a stabilizer for chlorinated polyolefin as a third component in order to prevent deterioration of the chlorinated polyolefin (Y).
  • the stabilizer for chlorinated polyolefin include metal soaps, organotin compounds, inorganic acid salts, composite stabilizers, and hydrotalcite.
  • the stabilizer for chlorinated polyolefin may be used alone or in combination of two or more.
  • the amount of the stabilizer for chlorinated polyolefin added is preferably 1.0 parts by mass or more and 20.0 parts by mass or less, more preferably 3.0 parts by mass or more and 15.0 parts by mass or less, based on 100 parts by mass of the chlorinated polyolefin (Y).
  • the resin composition (Z-1) can be produced by mixing the components including the resin material (X) and the chlorinated polyolefin (Y) at 50°C or higher and 180°C or lower for 1 minute or longer and 10 minutes or shorter at these conditions.
  • One embodiment of the present invention is a method for producing a resin composition (Z-1), which includes a step of mixing a resin material (X) with a chlorinated polyolefin (Y).
  • the thermoplastic resin (A), the fiber (B), and the plasticizer (C) are preferably derived from waste materials, more preferably from tile carpet waste materials.
  • thermoplastic resin (A) When the thermoplastic resin (A) is derived from waste tile carpets, the thermoplastic resin (A) is preferably derived from a backing layer (lining layer).
  • the content of the thermoplastic resin (A) is preferably 5.0 parts by mass or more and 80.0 parts by mass or less, more preferably 10.0 parts by mass or more and 50.0 parts by mass or less, and even more preferably 15.0 parts by mass or more and 30.0 parts by mass or less, relative to a total of 40 parts by mass of the thermoplastic resin (A), the fiber (B), and the plasticizer (C).
  • the content of the thermoplastic resin (A) is preferably 2.0% by mass or more and 50.0% by mass or less, more preferably 5.0% by mass or more and 30.0% by mass or less, and even more preferably 10.0% by mass or more and 20.0% by mass or less, based on 100% by mass of the resin composition (Z-2).
  • the fiber (B) is preferably at least one selected from the group consisting of nylon fiber, polypropylene fiber, polyester fiber derived from the intermediate layer, and glass fiber, and more preferably these fibers derived from the surface pile layer.
  • the content of the fiber (B) is preferably 0.1 parts by mass or more and 40.0 parts by mass or less, more preferably 1.0 parts by mass or more and 20.0 parts by mass or less, and even more preferably 2.0 parts by mass or more and 7.0 parts by mass or less, relative to 40 parts by mass of the total of the thermoplastic resin (A), the fiber (B), and the plasticizer (C).
  • the content of the fiber (B) is less than the upper limit, the physical properties are easily improved sufficiently when the chlorinated polyolefin (Y) is added to the thermoplastic resin (A), the fiber (B), and the plasticizer (C), and cracks and the like are unlikely to occur during use of the obtained resin composition (Z-2).
  • the content of the fiber (B) is more than the lower limit, the effect of improving the mechanical properties is likely to be large when the chlorinated polyolefin (Y) is added to the thermoplastic resin (A), the fiber (B), and the plasticizer (C).
  • the content of the fiber (B) is preferably 0.01% by mass or more and 20.0% by mass or less, more preferably 0.1% by mass or more and 15.0% by mass or less, and even more preferably 2.0% by mass or more and 10.0% by mass or less, based on 100% by mass of the resin composition (Z-2).
  • the content of the fiber (B) is equal to or less than the upper limit, the physical properties are easily improved sufficiently when the chlorinated polyolefin (Y) is added to the thermoplastic resin (A), the fiber (B), and the plasticizer (C), and cracks and the like are unlikely to occur during use of the obtained resin composition (Z-2).
  • the content of the fiber (B) is equal to or more than the lower limit, the effect of improving the mechanical properties is easily increased when the chlorinated polyolefin (Y) is added to the thermoplastic resin (A), the fiber (B), and the plasticizer (C).
  • the content of the fiber (B) is preferably 10.0 parts by mass or more and 60.0 parts by mass or less, more preferably 20.0 parts by mass or more and 50.0 parts by mass or less, and even more preferably 30.0 parts by mass or more and 40.0 parts by mass or less, relative to 100 parts by mass of the thermoplastic resin (A).
  • the content of the fiber (B) is equal to or less than the upper limit, the physical properties are easily improved sufficiently when the chlorinated polyolefin (Y) is added to the thermoplastic resin (A), the fiber (B), and the plasticizer (C), and cracks and the like are unlikely to occur during use of the obtained resin composition (Z-2).
  • the content of the fiber (B) is equal to or more than the lower limit, the effect of improving the mechanical properties is easily increased when the chlorinated polyolefin (Y) is added to the thermoplastic resin (A), the fiber (B), and the plasticizer (C).
  • plasticizer (C) is derived from tile carpet waste
  • plasticizer (C) is preferably derived from the backing layer.
  • the content of the plasticizer (C) is preferably 20.0 parts by mass or more and 200.0 parts by mass or less, more preferably 40.0 parts by mass or more and 150.0 parts by mass or less, and even more preferably 50.0 parts by mass or more and 110.0 parts by mass or less, relative to a total of 40 parts by mass of the thermoplastic resin (A), the fiber (B), and the plasticizer (C).
  • the content of the plasticizer (C) is within the above range, it is easy to appropriately plasticize the thermoplastic resin (A).
  • the content of the plasticizer (C) is preferably 3.0% by mass or more and 80.0% by mass or less, more preferably 8.0% by mass or more and 40.0% by mass or less, and even more preferably 10.0% by mass or more and 20.0% by mass or less, based on 100% by mass of the resin composition (Z-2).
  • the content of the plasticizer (C) is within the above range, it is easy to appropriately plasticize the thermoplastic resin (A).
  • the content of the chlorinated polyolefin (Y) is preferably 1.0 parts by mass or more and 80.0 parts by mass or less, more preferably 5.0 parts by mass or more and 40.0 parts by mass or less, even more preferably 10.0 parts by mass or more and 30.0 parts by mass or less, particularly preferably 15.0 parts by mass or more and 30.0 parts by mass or less, relative to a total of 40 parts by mass of the thermoplastic resin (A), the fiber (B), and the plasticizer (C).
  • the content of the chlorinated polyolefin (Y) is the lower limit or more, the effect of improving the properties when the chlorinated polyolefin (Y) is added to the thermoplastic resin (A), the fiber (B), and the plasticizer (C) is easily obtained.
  • the content of the chlorinated polyolefin (Y) is the upper limit or less.
  • the content of the chlorinated polyolefin (Y) is preferably 1.0% by mass or more and 45.0% by mass or less, more preferably 1.5% by mass or more and 40.0% by mass or less, even more preferably 4.0% by mass or more and 30.0% by mass or less, and particularly preferably 5.0% by mass or more and 15.0% by mass or less, based on 100% by mass of the resin composition (Z-2).
  • the content of the chlorinated polyolefin (Y) is equal to or more than the lower limit, the effect of improving the properties when the chlorinated polyolefin (Y) is added to the thermoplastic resin (A), the fiber (B), and the plasticizer (C) is easily obtained.
  • Chlorinated polyethylene is characterized by being a rubber elastomer with high filling properties, cold resistance, and weather resistance. Filling properties are also called filler loading properties, and refer to the property of maintaining tensile strength, elongation, toughness, impact strength, etc., even when a resin contains a high proportion of incompatible components.
  • Resin composition (Z-2) contains thermoplastic resin (A) containing polyvinyl chloride resin and plasticizer (C), as well as fiber (B), and in some cases, further contains a filler. Therefore, resin composition (Z-2) tends to lose various physical properties such as elongation at break expected from a soft polyvinyl chloride resin composition containing polyvinyl chloride resin and plasticizer (C).
  • Elongation at break and tear strength can be improved by adding chlorinated polyethylene with high filling properties.
  • the property of chlorinated polyethylene being a soft material similar to rubber also contributes to improving the elongation at break of resin composition (Z-2).
  • Elongation at break and tear strength are mechanical properties that are particularly important for the backing layer of tile carpets, as they are less likely to break during installation.
  • the resin composition (Z-2) may further contain, in addition to the thermoplastic resin (A), the fiber (B), the plasticizer (C), and the chlorinated polyolefin (Y), other components such as a filler, a lubricant, a stabilizer for polyvinyl chloride resin, a pigment, a flame retardant, an ultraviolet absorber, and a stabilizer for chlorinated polyolefin.
  • the filler is usually a particulate material, and is blended to increase the amount of polyvinyl chloride resin and reduce costs.
  • the filler is not particularly limited, and any filler commonly used in polyvinyl chloride resins can be used.
  • the filler is a material different from the above-mentioned fiber (B).
  • the filler include calcium carbonate, talc, mica, clay, silicon dioxide, aluminum hydroxide, magnesium hydroxide, carbon black, etc.
  • the fillers may be used alone or in combination of two or more.
  • the resin composition (Z-2) preferably further contains at least one filler selected from the group consisting of calcium carbonate, talc, mica, clay, silicon dioxide, aluminum hydroxide, magnesium hydroxide, and carbon black.
  • the content of the filler is preferably 70.0% by mass or less, and more preferably 60.0% by mass or less, based on 100% by mass of the resin composition (Z-2).
  • lubricant examples include fatty acid metal soap-based lubricants, ester compound-based lubricants, hydrocarbon-based lubricants, fatty acid-based lubricants, and higher alcohol-based lubricants.
  • Examples of the pigment include titanium oxide and organic pigments.
  • Examples of the flame retardant include diantimony trioxide, halogen-based flame retardants, phosphorus-based flame retardants, and composite flame retardants.
  • Examples of the ultraviolet absorbing agent include benzotriazole-based ultraviolet absorbing agents.
  • stabilizers for chlorinated polyolefins include metal soaps, organotin compounds, inorganic acid salts, composite stabilizers, and hydrotalcites.
  • the stabilizers for chlorinated polyolefins may be used alone or in combination of two or more.
  • the amount of stabilizer for chlorinated polyolefins added is preferably 1.0 parts by mass or more and 20.0 parts by mass or less, more preferably 3.0 parts by mass or more and 15.0 parts by mass or less, per 100 parts by mass of chlorinated polyolefin (Y).
  • the method for producing the resin composition (Z-2) is not particularly limited, and it can be obtained by mixing the thermoplastic resin (A), the fiber (B), the plasticizer (C), and the chlorinated polyolefin (Y), but it is preferably obtained by adding the chlorinated polyolefin (Y) to a mixture of the thermoplastic resin (A), the fiber (B), and the plasticizer (C) and mixing them.
  • the mixing can be performed by a method commonly used for mixing resins, such as kneading using a mixing roll, a Banbury mixer, a kneader, an extrusion molding machine, etc.
  • the conditions for producing the resin composition (Z-2) can be set appropriately taking into consideration the properties of each component, such as the thermoplastic resin (A), fiber (B), plasticizer (C), and chlorinated polyolefin (Y), but the resin composition (Z-2) can be produced by mixing each component, including the thermoplastic resin (A), fiber (B), plasticizer (C), and chlorinated polyolefin (Y), at 50°C or higher and 180°C or lower for approximately 1 minute or higher and 10 minutes or lower.
  • One embodiment of the present invention is a method for producing a resin composition (Z-2), which includes a step of mixing a thermoplastic resin (A), a fiber (B), a plasticizer (C), and a chlorinated polyolefin (Y).
  • the application of the resin composition (Z) is not particularly limited, but since the resin composition (Z) has excellent elongation at break, tear strength, and low-temperature properties, is not easily broken when bent, and is not easily cracked even when used or applied in a low-temperature environment, it is preferably used as a carpet backing layer such as a PVC backing layer of a tile carpet, a long PVC floor sheet, a PVC homogeneous style, a PVC waterproof sheet for construction, a surface resin layer of PVC wallpaper, a waterproof PVC sheet for civil engineering, a PVC leather sheet for vehicle interiors, a PVC covering material for agriculture, and a soundproof PVC sheet, etc.
  • a carpet backing layer such as a PVC backing layer of a tile carpet, a long PVC floor sheet, a PVC homogeneous style, a PVC waterproof sheet for construction, a surface resin layer of PVC wallpaper, a waterproof PVC sheet for civil engineering, a PVC leather sheet for vehicle interiors, a PVC covering
  • the resin composition (Z) is used for the application of a carpet backing layer.
  • the resin composition (Z-1) is used for these applications, and the resin material (X) is a material derived from waste, a product made from recycled polyvinyl chloride resin can be obtained.
  • the resin composition (Z-2) is used for these applications, if the thermoplastic resin (A), the fiber (B), and the plasticizer (C) are derived from waste, a product made from recycled polyvinyl chloride resin can be obtained.
  • carpet backing layers such as the PVC backing layer of carpet tiles, long PVC floor sheets, PVC homogeneous styles, PVC waterproof sheets for construction, surface resin layers of PVC wallpaper, water-resistant PVC sheets for civil engineering, PVC leather sheets for vehicle interiors, PVC covering materials for agricultural use, and soundproof PVC sheets, each of which contains the resin composition (Z), and preferably is a carpet backing layer containing the resin composition (Z).
  • MFR Melt Flow Rate
  • the specific gravity was measured in accordance with JIS K7112-1-2023, Method A.
  • the temperature of the immersion liquid was 23° C.
  • ⁇ Tensile properties> The tensile properties were measured in accordance with JIS K6251-2017, except that the gripping speed was 200 mm/min. Specifically, a dumbbell-shaped No. 3 test piece as described in JIS K6251-2017 was prepared by punching out a sheet-like sample to be measured. Analysis was performed using this test piece at a measurement temperature of 23° C. and a humidity of 50% RH to measure the tensile stress at yield point (Sy), tensile strength at break (Tb), and elongation at break (Eb).
  • the low-temperature impact embrittlement temperature was measured in accordance with JIS K6261-2-2017, using the 50% impact embrittlement temperature (method B). However, the temperature was measured at 5°C intervals.
  • the hardness was measured at 23° C. using a type D durometer in accordance with JIS K7215-1986.
  • samples used for the measurement four sheets having a thickness of 2 mm and a smooth surface were used, and the flat portions were stacked to a thickness of about 8 mm.
  • Example 1 100 parts by mass of a resin material (XI) containing polyvinyl chloride resin, plasticizer and fiber (manufactured by Refinverse Co., Ltd., IVP-1108), 5 parts by mass of chlorinated polyethylene (manufactured by Resonac Co., Ltd., Elaslen (registered trademark) 301MA) as a chlorinated polyolefin, and 1 part by mass of a hydrotalcite compound (manufactured by Sakai Chemical Industry Co., Ltd., STABIACE (registered trademark) HT-P) as a stabilizer were hand-blended at room temperature, and then the temperature of the mixing roll was set to 150 ° C.
  • a resin material (XI) containing polyvinyl chloride resin, plasticizer and fiber manufactured by Refinverse Co., Ltd., IVP-1108
  • chlorinated polyethylene manufactured by Resonac Co., Ltd., Elaslen (registered trademark) 301MA
  • this resin composition was preheated at 170 ° C. for 3 minutes in a compression molding machine, pressurized for 3 minutes, and cooled and pressurized for 3 minutes to produce a smooth sheet having a thickness of 2.0 mm.
  • IVP-1108 is a powdered material derived from the backing layer of discarded carpet tiles.
  • the composition of IVP-1108 is 18.1% by mass polyvinyl chloride resin, 6.6% by mass fiber, 16.5% by mass di-2-ethylhexyl phthalate as a plasticizer, and 58.8% by mass calcium carbonate as a filler.
  • Example 2 to 14 and Comparative Examples 1 and 2 Examples 2 to 14 and Comparative Examples 1 and 2 were carried out in the same manner as Example 1, except that the stabilizer, the type and amount of chlorinated polyolefin, and the mixing roll mixing during mixing were changed to the amounts shown in Table 1 below.
  • the various Elaslen (registered trademark) shown in Table 1 below is a chlorinated polyethylene manufactured by Resonac Corporation.
  • Example 1 to 14 in which a chlorinated polyolefin having the specified physical properties was mixed with a resin material containing polyvinyl chloride resin as a thermoplastic resin, and further containing fibers and a plasticizer, the elongation at break (Eb) and tear strength were greatly improved compared to the cases not containing chlorinated polyolefin described in Comparative Examples 1 and 2, and the impact embrittlement temperature was not impaired, making it possible to obtain a resin composition with suitable performance for the backing layer of tile carpets.
  • the tensile stress at yield point (Sy), tensile strength at break (Tb), and hardness also had values that were sufficient for practical use.
  • Example 4 and Comparative Example 1 were observed at a magnification of 70 times using a digital microscope (Dino-Lite Edge EDR/EDOF Polarizer (polarized light)), and the results are shown in FIG. 1 and FIG. 2, respectively.
  • Fig. 2 the fibers of various colors are aligned with their long axes from the upper right to the lower left of the photograph, and the orientation caused by the mixing rolls can be confirmed.
  • the long axes of the fibers are random, and no orientation caused by the mixing rolls can be seen, and it can be confirmed that the fibers and calcium carbonate are not mixed with each other in the mixture of the resin material and the chlorinated polyolefin, and are dispersed with high uniformity.

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Abstract

L'invention concerne une composition de résine qui contient : un matériau de résine (X) qui contient à son tour une résine thermoplastique (A) contenant une résine de polychlorure de vinyle, des fibres (B) et un plastifiant (C) ; et une polyoléfine chlorée (Y).
PCT/JP2024/015220 2023-05-09 2024-04-17 Composition de résine, et couche de dossier de tapis contenant celle-ci Pending WO2024232230A1 (fr)

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CN202480013770.1A CN120731248A (zh) 2023-05-09 2024-04-17 树脂组合物和含有它的地毯背衬层

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Citations (6)

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Publication number Priority date Publication date Assignee Title
JPS5968359A (ja) * 1982-10-12 1984-04-18 Showa Denko Kk 難燃性樹脂組成物
JPS60177054A (ja) * 1984-02-21 1985-09-11 Sekisui Chem Co Ltd 塩化ビニル系樹脂組成物
JP2011206317A (ja) * 2010-03-30 2011-10-20 Suminoe Textile Co Ltd 再生タイルカーペット
CN105001657A (zh) * 2014-04-22 2015-10-28 北京化工大学 一种环保型木纤维增强pvc复合模板及制备方法
CN113881160A (zh) * 2021-09-26 2022-01-04 福建源锦新材料科技有限公司 新型建筑用有机复合板材及其生产工艺
CN114456479A (zh) * 2022-02-22 2022-05-10 泉州广兴塑胶制品有限责任公司 一种抗静电改性再生塑料颗粒制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006035820A1 (fr) 2004-09-28 2006-04-06 Refinverse, Inc. Procédé de fabrication de composé de résine modifiée recyclée et composé de résine modifiée recyclée

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5968359A (ja) * 1982-10-12 1984-04-18 Showa Denko Kk 難燃性樹脂組成物
JPS60177054A (ja) * 1984-02-21 1985-09-11 Sekisui Chem Co Ltd 塩化ビニル系樹脂組成物
JP2011206317A (ja) * 2010-03-30 2011-10-20 Suminoe Textile Co Ltd 再生タイルカーペット
CN105001657A (zh) * 2014-04-22 2015-10-28 北京化工大学 一种环保型木纤维增强pvc复合模板及制备方法
CN113881160A (zh) * 2021-09-26 2022-01-04 福建源锦新材料科技有限公司 新型建筑用有机复合板材及其生产工艺
CN114456479A (zh) * 2022-02-22 2022-05-10 泉州广兴塑胶制品有限责任公司 一种抗静电改性再生塑料颗粒制备方法

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