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WO2008035728A1 - Toile d'emballage - Google Patents

Toile d'emballage Download PDF

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Publication number
WO2008035728A1
WO2008035728A1 PCT/JP2007/068243 JP2007068243W WO2008035728A1 WO 2008035728 A1 WO2008035728 A1 WO 2008035728A1 JP 2007068243 W JP2007068243 W JP 2007068243W WO 2008035728 A1 WO2008035728 A1 WO 2008035728A1
Authority
WO
WIPO (PCT)
Prior art keywords
molecule
sheet
taxane
cyclic
linear
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.)
Ceased
Application number
PCT/JP2007/068243
Other languages
English (en)
Japanese (ja)
Inventor
Junko Suda
Changming Zhao
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.)
ASM Inc
Original Assignee
Advanced Softmaterials Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Advanced Softmaterials Inc filed Critical Advanced Softmaterials Inc
Publication of WO2008035728A1 publication Critical patent/WO2008035728A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0212—Face masks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/738—Cyclodextrins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/86—Polyethers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/54—Polymers characterized by specific structures/properties

Definitions

  • the present invention relates to a pack sheet having a polytaxane, particularly a pack gel sheet, and more particularly to a pack sheet excellent in flexibility and strength and suitable for supplying moisture to the skin, and particularly to a pack gel sheet. .
  • V a conventional peel-off type packing material having the ability to form a film such as polybutyl alcohol, and the like.
  • S impregnation of sheet-like base material such as nonwoven fabric impregnated with a pack agent Nylon pack materials and gel sheet-type knock materials (see Patent Document 1), in which a gel layer containing a pack agent is provided on the sheet base material, have been developed and are gaining popularity due to their ease of use. .
  • a gel layer containing a pack agent is provided on the sheet base material
  • Patent Document 1 JP-A-58-180408.
  • Patent Document 2 Japanese Patent Laid-Open No. 2005-008613.
  • the impregnated type pack material does not have a sufficient amount of impregnated retention of cosmetic liquid or the like, and the moisture of the cosmetic liquid tends to evaporate during use! Therefore, there is a limit to the supply of moisture to the skin.
  • Gel sheet type products prefer softness with a high moisture content, a cool and cool feeling, but lack hydration to the skin and release of cosmetic ingredients, and have a weak pack effect. There is a problem.
  • these conventional types of sheet packs include an opaque base material such as a nonwoven fabric, there is a problem in that it may seem uncomfortable when applied to the face.
  • Patent Document 2 a gel sheet type packing material composed only of transparent or translucent gel has been developed (see Patent Document 2), but it is used for partial packs such as the eyes and mouth. Limited and full face composed of no support or composed of gel only Large packs for body use are still commercialized.
  • an object of the present invention is to solve the above-described problems.
  • the object of the present invention is to provide a pack sheet, particularly a pack gel sheet, which has excellent moisture supply performance and has strength and flexibility so that it can be made into a large sheet for the entire face without a support. Is to provide.
  • the present inventors have found that the above object can be achieved by using a poly (oral taxane). Specifically, the present inventors have found the following invention.
  • a first poly-oral taxane and ii) a chemical and / or physically bonded pack sheet, particularly a pack gel sheet,
  • first poly (taxane) taxane includes a first cyclic molecule, a first linear molecule that includes the first cyclic molecule in a skewered manner, and the first linear molecule from the first linear molecule. Having a first blocking group disposed at both ends of the first linear molecule so that the cyclic molecule of
  • the b) second poly-taxane is a second cyclic molecule that may be the same as or different from the first cyclic molecule, and a second linear chain that includes the second cyclic molecule in a skewered manner.
  • a second linear molecule which may be the same as or different from the first linear molecule, and the second cyclic molecule is detached from the second linear molecule.
  • a second blocking group disposed at both ends of the second linear molecule so that the second blocking group may be the same as or different from the first blocking group,
  • the first and / or second linear molecular force S polybulal alcohol, polybulurpyrrolidone, poly (meth) acrylic acid, cellulose resin (carboxymethylenosenore Loin, hydroxyethinoresolerose, hydroxypropinoresenorelose, etc.), polyacrylamide, polyethylene oxide, polyethylene glycol, polypropylene glyco Copolymers with polyethylene, polybutylacetal resins, polymethyl ether, polyamine, polyethyleneimine, casein, gelatin, starch, etc. and / or their copolymers, polyethylene, polypropylene, and other olefinic monomers.
  • Polyolefin resins such as polymerized resins, polyester resins, polychlorinated bur resins, polystyrene resins such as polystyrene and talylonitrile-toluene styrene copolymer resins, polymethyl methacrylate and (meth) acrylic acid ester copolymers, acrylonitrile methyl Acrylate resins such as acrylate resins, polycarbonate resins, polyurethane resins, butyl chloride butyl acetate copolymer resins, polybutyl propylal resins, etc .; and derivatives or modified products thereof, polyisobutylene, polytetrahydrofura , Polyaniline, acrylonitrile butadiene styrene copolymer (ABS resin), polyamides such as nylon, polyimides, polygens such as polyisoprene and polybutadiene, polysiloxanes such as polydimethylolsiloxan
  • polyethylene glycol, polyisoprene, polyisobutylene, polybutadiene, polypropylene glycol, polytetrahydrofuran, polydimethylsiloxane, polyethylene, and polypropylene are preferably selected.
  • Polypropylene glycol, poly tetrahydrophthalic run, polydimethylsiloxane, polyethylene, and be selected from the group consisting of polypropylene Yogu is good is in particular polyethylene glycol.
  • the first and / or second linear molecules have a molecular weight of 10,000 or more, preferably 20,000 or more, more preferably 3 . It should be more than 50,000
  • the first and / or second blocking group is a dinitrophenyl group, a cyclodextrin, an adamantane group, a trityl group, or a fluorescein.
  • Pyrenes, substituted benzenes substituted benzenes (substituents include, but are not limited to, alkyl, alkyloxy, hydroxy, halogen, cyano, snorefoninore, force novoxinore, amino, phenol). One or more may be present), may be substituted! / ⁇ may be!
  • polynuclear aromatics (same as the above as substituents) However, it is not limited to these. One or more substituents may be present. ) And steroids. It is preferable to select from the group consisting of dinitrophenyl groups, cyclodextrines, adamantane groups, trityl groups, fluoresceins, and pyrenes, more preferably adamantane groups or trityl groups. It is good.
  • the first and / or second cyclic molecule may be substituted! /, Or may! / ⁇ . Les.
  • the first and / or second cyclic molecule may be a substituted cyclodextrin molecule, and the cyclodextrin molecule is ⁇ - It is selected from the group consisting of cyclodextrin, 13-cyclodextrin, ⁇ -cyclodextrin, and derivatives thereof.
  • the first and / or second cyclic molecule may be substituted ⁇ -cyclodextrin, and the first and / or second The linear molecule is preferably polyethylene glycol.
  • the first cyclic molecule when the first cyclic molecule is skewered by the first linear molecule, the first cyclic molecule is included to the maximum extent.
  • the amount of the first cyclic molecule is 0.001 to 0.6, preferably 0.01 to 0.5, more preferably 0.05 to 0.4. It is preferable that the chain molecules are included in a skewered manner.
  • the second cyclic molecule is the largest when the second cyclic molecule is skewered by the second linear molecule.
  • the second cyclic molecular force is 0.001 to 0.6, preferably (or 0.01 to 0.5, more preferably (or 0.05 to 0.4). It should be included in a skewered manner in the first linear molecule in quantity.
  • a pack sheet particularly a gel sheet for packs, which has excellent moisture supply performance and has strength and flexibility so that it can be made into a large sheet for the entire face without a support.
  • the present invention comprises: i) a first polyortaxane; and ii) the following substances a) and / or b): a) a first polymer other than a polyortaxane;
  • a sheet for a pack comprising i) the first poly (oral taxane) and ii) the substance chemically and / or physically bonded.
  • the pack sheet has a maximum elongation of 200% or higher, a breaking strength of 30 kPa or higher, and an initial elastic modulus of 5 to OOkPa.
  • a first polyoral taxane and ii) a substance, that is, a) a first polymer other than a polyoral taxane; and / or b) a second polyoral taxane; It is preferable that at least a part of is crosslinked.
  • the cross-linking is preferably the following cross-linking (i) to (no). That is, a) Cross-linking of poly-oral taxanes (first poly-orth-taxane and second poly-oral-taxane), cross-linking of polymers other than poly-oral taxanes (ie, “first polymer”) and poly-oral taxanes. , ⁇ ,) Cross-linking in which the above ii) and mouth) are present together.
  • cross-linking may be chemical cross-linking or physical cross-linking, preferably chemical cross-linking, more preferably chemical cross-linking via a cyclic molecule. Is good.
  • the sheet of the present invention itself preferably has the following maximum elongation, breaking strength, and initial elastic modulus.
  • the sheet of the present invention has a maximum elongation of 200% or more, preferably 300% or more, more preferably 400% or more, and a breaking strength of 30 kPa or more, preferably 50 kPa or more, more preferably lOOkPa or more. And an initial elastic modulus of 5 to 100 kPa, preferably 10 to 80 kPa, more preferably (15 to 60 kPa).
  • the sheet of the present invention has sufficient strength and fits to the undulations of the face even though it is thin, even though it has an area that can cover the entire face. Providing a flat or three-dimensional sheet that also has the flexibility to be able to handle.
  • the flexibility that can fit the undulations of the face is defined by the initial modulus and maximum elongation. If the initial elastic modulus exceeds the upper limit, the fitting property tends to deteriorate. Below the lower limit of the maximum elongation, the sheet can be bent and stretched freely. Tendency to affect the fit.
  • sufficient strength is defined by the breaking strength and the initial elastic modulus. If the breaking strength is below the lower limit, the sheet tends to be unable to withstand its own weight and the sheet tends to be broken. Further, when the initial elastic modulus is below the lower limit, the elongation due to its own weight tends to be too large and the shape cannot be maintained. As a result, the sheet tends to be extremely difficult. Therefore, according to the present invention, a sheet having moderate elasticity and flexibility can be provided.
  • the term “sheet” is intended to include a three-dimensional shape, for example, a shape that conforms to the undulations of the face when the entire force is locally flat.
  • a three-dimensional shape along the undulation of the face is included in the “sheet” in the present application because it is locally flat.
  • the whole or flat plate described later in FIG. 2 is also included in the “sheet” in the present application.
  • the sheet having the shape shown in FIG. 1 is formed in a three-dimensional manner, and has a relatively narrow opening at the positions of the eyes, nose and mouth of the human face.
  • the sheet shown in Fig. 1 is useful as a sheet that can cover the entire face, and is effective in that it can uniformly pack the entire face at once and enhances the moisturizing action.
  • the sheet of the present invention includes the first poly-oral taxane, and includes the second poly-oral taxane and / or the first polymer.
  • these constituent substances contained in the sheet of the present invention will be described in detail.
  • Each of the first and / or second poly (taxane) taxanes in the present invention seems to be a cyclic molecule, a linear molecule that includes the cyclic molecule in a skewered manner, and a cyclic molecule that does not desorb from the linear molecule.
  • the second polymouth taxane may be the same as or different from the first polymouth taxane. More specifically, the second cyclic molecule may be the same as or different from the first cyclic molecule, and the second linear molecule may be the same as or different from the first linear molecule.
  • the second blocking group may be the same as or different from the first blocking group. Further, the blocking group disposed at one end of the linear molecule may be the same as or different from the blocking group disposed at the other end.
  • the linear molecule is not particularly limited as long as it is a molecule extending in the longitudinal direction, that is, a linear molecule.
  • a linear molecule polybulal alcohol, polypyrrole pyrrolidone, poly (meth) acrylic acid, cellulose resin (carboxy methinoresenorelose, hydroxyethinoresenorelose, hydroxypropinoresenorelose, etc.), polyacrylamide, Polyethylene oxide, polyethylene glycol, polypropylene glycol, polybulacetal resin, polybulumethyl ether, polyamine, polyethyleneimine, casein, gelatin, starch, etc.
  • Polyolefin resins such as copolymer resins with polyolefin monomers, polyester resins, polychlorinated bur resins, polystyrene resins such as polystyrene and talylonitrile tristyrene copolymer resins
  • Acrylic resins such as polymethyl methacrylate and (meth) acrylic acid ester copolymer, acrylonitrile methyl acrylate copolymer resin, polycarbonate resin, polyurethane resin, butyl chloride acetate copolymer copolymer, polybutyl pentyl resin, etc .; And derivatives or modified products thereof, polyisobutylene, polytetrahydrofuran, polyaniline, acrylonitrile butadiene styrene copolymer (ABS resin), polyamides such as nylon, polygens such as polyimides, polyisoprene, and polybutadiene
  • Polysiloxanes such as polydimethylenosiloxane, polysulfones, polyimines, polyacetic anhydrides, polyureas, polysulfides, polyphosphazenes, polyketones, polyphenylenes, polyhaloolefins And good be selected from the group consisting of induction conductors les, but particularly limited, such les.
  • polyethylene glycol polyisoprene, polyisobutylene, polybutadiene, polypropylene glycol, polytetrahydrofuran, polydimethylsiloxane, polyethylene, and polypropylene, and preferably polyethylene glycol, polypropylene glycol, polytetrahydrofuran, It is particularly preferable to select polyethylene glycol from the group consisting of polydimethylsiloxane, polyethylene, and polypropylene.
  • the linear molecule may have a molecular weight of 10,000 or more, preferably 20,000 or more, more preferably 30,000 or more.
  • the blocking groups are arranged at both ends of the linear molecule as described above.
  • the blocking group has an effect that the cyclic molecule is not detached from the linear molecule.
  • the blocking groups arranged at both ends of the linear molecule may be the same or different at one end and the other end.
  • ⁇ As blocking groups, dinitrophenyl groups, cyclodextrins, adamantane groups, trityl groups, fluoresceins, pyrenes, substituted benzenes (substituents include alkyl, alkyloxy, hydroxy, halogen, cyan, snorfoninore, carboxyl, amino But not limited thereto, one or more substituents may be present), polynuclear aromatics that may be substituted (substituents are the same as those described above) One or more substituents may be present, but not limited thereto.
  • the dinitrophenyl group is preferably selected from the group consisting of cyclodextrins, adamantane groups, trityl groups, fluoresceins, and pyrenes, more preferably adamantane groups or trityl groups. There should be.
  • the cyclic molecule is not particularly limited as long as it is cyclic and takes the above-described state.
  • the cyclic molecule may be an optionally substituted cyclodextrin molecule.
  • the cyclodextrin molecule may be selected from the group consisting of ⁇ -cyclodextrin, 13-cyclodextrin and ⁇ -cyclodextrin, and derivatives thereof.
  • the cyclic molecule may be an ⁇ -cyclodextrin which may be substituted, and the linear molecule may be polyethylene glycol.
  • the amount of cyclic molecules to be maximally included when the cyclic molecules are skewered by linear molecules is 1, the cyclic molecular force It is preferable to be included in the form of skewers in a linear molecule in an amount of 0.001—0.6, preferably (0,01—0.5, more preferably (0,05—0.4).
  • the sheet of the present invention has ii) a substance in addition to i) the first polyoral taxane.
  • This ii) substance is Either a) below, b) or a mixture of a) and b).
  • a) is the first polymer that is other than a polyoral taxane.
  • b) is a second polytaxane that may be the same as or different from the first polyrotaxane.
  • the first polymer is a polymer other than the polyoral taxane, and is not particularly limited.
  • the first polymer is not particularly limited, but the main chain or side chain is OH group, NH group,
  • photocrosslinking group examples include, but are not limited to, cinnamate, coumarin, chalcone, anthracene, styrylpyridine, styrylpyridinium salt, and styrylquinolium salt.
  • the first polymer may be a homopolymer or a copolymer. It may have two or more polymers. When it has two or more polymers, it is preferable that at least one polymer is bonded to the polyoral taxane via a cyclic molecule. If the first polymer is a copolymer, it may consist of two, three or more monomer forces. When it is a copolymer, the force S can include, but is not limited to, block copolymers, alternating copolymers, random copolymers, graft copolymers, and the like.
  • Examples of the first polymer include polybulal alcohol, polybulurpyrrolidone, poly (meth) acrylic acid, cellulose resins (carboxymethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, etc.), polyacrylamide, polyethylene Oxide, Polyethylene glycol, Polypropylene glycol, Polybuacetal resin, Polyvinylmethyl ether, Polyamine, Polyethyleneimine, Casein, Gelatin, Starch, etc.
  • Polyolefin resins such as copolymer resins with polyester monomers, polyester resins, polychlorinated bur resins, polystyrene resins such as polystyrene and acrylonitrile styrene copolymer resins, Acrylic resins such as methyl metatalylate, (meth) acrylic acid ester copolymer, and attarylonitrile trimethyl acrylate copolymer resin, polycarbonate resin, polyurethane resin, butyl chloride, butyl acetate copolymer resin, polybutyral resin, etc.
  • the above-described groups that is, —OH group, —NH group, —COOH group,
  • the material of the present invention may have a second polymouth taxane.
  • the second polymouth taxane may be the same as or different from the first polymouth taxane as described above.
  • the substances constituting the second poly-oral taxane are as described above.
  • the sheet of the present invention may have various components as a pack sheet in addition to the constituent materials described above.
  • humectants such as dipropylene glycol, 1,3-butylene cornore, 1,2-pentanediol, glycerin, propylene glycolanol, collagen, hyanorenoic acid; lecithin, polyglycerin fatty acid ester Emulsifiers such as; oily substances such as squalane, jojoba oil, olive oil; and power S that can include preservatives such as parabens, phenoxyethanol, ethanol, etc., but is not limited thereto.
  • DMF dehydrated dimethylformamide
  • Polypolytaxane prepared in Example 1 (main chain molecular weight 10 million, inclusion rate 26%) to 15 ml of IN NaOH aqueous solution 2. Ig is completely dissolved, and 6 ml of BDGEO. Is added to this solution and mixed. Then, bubbles were removed with ultrasonic waves and poured into a mask mold having a thickness of 0.8 mm and a sample mold for measurement (a strip mold having a thickness of 0.5 mm and a width of 4 mm) and left to stand at 25 ° C. for 24 hours. The obtained gel sheet was taken out from each mold and washed with ion-exchanged water until the alkali was removed from the sheet and became neutral, to obtain a gel sheet for packing A′-1 and a measurement sample A′-2.
  • HEC hydroxyethyl cellulose
  • poly oral taxane solution In 10 ml of IN NaOH aqueous solution, 1.5 g of the poly oral taxane prepared in Example 1 (main chain molecular weight 10 million, inclusion rate 26%) was completely dissolved to obtain a poly oral taxane solution. Separately from this, polybulualcohol (abbreviated as “PVA”, Mw: 31,000 to 50,000, manufactured by Aldrich) 0.7 5 g was dissolved in 5 ml of IN NaOH aqueous solution to obtain a PVA solution. Mix 10 ml of polymouth taxane solution and 5 ml of PVA solution, add 45 ml of BDGEO.
  • PVA polybulualcohol
  • the measurement was performed at 25 ° C and an elongation speed of 0.3 mm / s.
  • the initial elastic modulus was obtained from the slope of the approximate straight line of the Stress-Strain curve up to an elongation of 50% (Fig. 3 shows the initial elastic modulus of the measurement sample A-2 in Example 1. — Indicates an approximate straight line of the strain curve).
  • the maximum extension rate is L for the length of the sample before extension, and the length of the sample at the maximum extension.
  • the gel sheet for packs obtained in Example 1 3 is a sheet that covers the upper half of the face. It has sufficient strength and flexibility, and the sheet does not become brittle due to its own weight. could be used.
  • the pack gel sheet of Comparative Example 2 was difficult to follow the unevenness of the face, which was poorly stretched. On the other hand, it was torn when it was stretched forcibly along the unevenness of the face.
  • the pack gel sheet of Comparative Example 3 was torn during the operation until the shells were held on the face, such as pinching the sheet with fingers and spreading it. From these, it was found that the sheet having the characteristics of the present invention, that is, the maximum elongation, breaking strength, and initial elastic modulus, has the desired performance for the face pack sheet.
  • PVA (Mw: 85,000 to 124,000. Aldrich) 1 ⁇ 5 g was dissolved in 15 ml of DMSO to obtain a PVA solution.
  • 1 ⁇ 5g of the polymouth taxane prepared in Example 1 (main chain molecular weight 100,000, inclusion rate 27%) was completely melted, and BTA 150mg and triethinoleamine 15 ⁇ 1 were calorie-free.
  • bubbles were removed with a centrifuge and poured into a mask mold having a thickness of 0.8 mm and a sample mold for measurement (a strip mold having a thickness of 0.5 mm and a width of 4 mm) and allowed to stand at 25 ° C. for 6 hours.
  • the obtained gel-like sheets are taken out from the respective molds, washed with ion-exchanged water until DMSO is removed from the sheets and the solvent is completely replaced with water, and the gel sheet G-1 for packs and the sampnore G-2 for measurement are used. Got.
  • Example 1 In 10 ml of 2N NaOH aqueous solution, the poly oral taxane prepared in Example 1 (main chain molecular weight 100,000, inclusion rate 27%) 3. Og was completely dissolved to obtain a poly oral taxane solution. Separately, 1.5 g of methylcellulose (hereinafter simply abbreviated as “MC”) (“Metroses (registered trademark) SM-15” manufactured by Shin-Etsu Chemical Co., Ltd.)) is dissolved in 10 ml of water to obtain an MC solution. It was.
  • MC methylcellulose
  • HEC manufactured by Aldrich
  • 15 ml of IN NaOH aqueous solution 3 Og is completely dissolved, BDGE600 1 is added to this solution and mixed, and bubbles are removed by ultrasonic to measure a mask type with a thickness of 0.8 mm.
  • the sample was poured into a sample mold (strip type with a thickness of 0.5 mm and a width of 4 mm) and allowed to stand at 25 ° C for 20 hours.
  • the obtained gel-like sheet was taken out from each mold and washed with ion-exchanged water until the alkali was removed from the sheet and became neutral, to obtain a pack gel sheet M-1 and a measurement sample M-2.
  • the pack gel sheets obtained in Examples 4 to 9 are sheets that cover the upper half of the face, have sufficient strength and flexibility, and do not become brittle due to their own weight. We were able to use without. On the other hand, the pack gel sheet of Comparative Example 4 did not feel stretched even when pulled, and was severed when pulled strongly. Also, when the sheet was bent, the gel was cut or cracked when it was bent.
  • the sheet having the characteristics of the present invention that is, the maximum elongation, breaking strength, and initial elastic modulus has the desired performance for the face pack sheet.
  • FIG. 1 is a view showing an embodiment of the “sheet” of the present application that covers the entire face and has a shape along the face undulation.
  • FIG. 2 is a diagram showing the mask molds used in Examples;! To 9 and Comparative Examples; In the figure, the numbers indicate the unit: mm.
  • FIG. 3 is a stress-strain curve graph for obtaining the initial elastic modulus of Example 1 (A-2).

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Abstract

L'invention concerne une toile d'emballage qui possède une excellente caractéristique d'hydratation, et une résistance et une flexibilité telles qu'elle peut être fournie sous forme de feuille de grande dimension pour toute la face, etc., sans aucun support. La toile d'amballage comprend i) un premier polyrotaxane et ii) une substance qui est la suivante a) et/ou b) : a) un premier polymère qui n'est pas un polyrotaxane ; et b) un second polyrotaxane, le premier polyrotaxane i) et la substance ii) étant liés l'un à l'autre chimiquement et/ou physiquement. Le premier et/ou second polyrotaxane comprend des premières et/ou secondes molécules cycliques, une première et/ou seconde molécule linéaire par laquelle les premières et/ou secondes molécules cycliques sont percées et forment un clathrate, et un premier et/ou second groupe bloquant disposé à chaque extrémité de la première et/ou seconde molécule linéaire de façon à ne pas libérer les premières et/ou secondes molécules cycliques à partir de la première et/ou seconde molécule linaire. La toile d'emballage a un allongement maximal de 200 % ou plus, une résistance à la rupture de 30 kPa ou plus et un module initial de 5-100 kPa.
PCT/JP2007/068243 2006-09-21 2007-09-20 Toile d'emballage Ceased WO2008035728A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-256338 2006-09-21
JP2006256338A JP2009292727A (ja) 2006-09-21 2006-09-21 パック用シート

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008155953A1 (fr) * 2007-06-15 2008-12-24 The University Of Tokyo POLYROTAXANE AYANT UN SQUELETTE DE CHAÎNE PRINCIPALE COMPOSÉ ESSENTIELLEMENT DE -Si-O- ET SON PROCÉDÉ DE FABRICATION, ET POLYROTAXANE RÉTICULÉ OBTENU PAR RÉTICULATION DU POLYROTAXANE ET SON PROCÉDÉ DE FABRICATION
JP2012025923A (ja) * 2010-07-28 2012-02-09 Univ Of Tokyo ポリロタキサンの合成方法及び新規ポリロタキサン
WO2017188376A1 (fr) * 2016-04-27 2017-11-02 国立大学法人大阪大学 Procédé de production de polyrotaxane
JP2022113157A (ja) * 2018-11-08 2022-08-03 株式会社トクヤマ 研磨用パッド

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CN107109032B (zh) * 2014-11-26 2020-01-21 京瓷株式会社 半导体密封用树脂组合物及半导体装置
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