WO2022186125A1 - フィルムおよび粘着テープ - Google Patents
フィルムおよび粘着テープ Download PDFInfo
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- WO2022186125A1 WO2022186125A1 PCT/JP2022/008249 JP2022008249W WO2022186125A1 WO 2022186125 A1 WO2022186125 A1 WO 2022186125A1 JP 2022008249 W JP2022008249 W JP 2022008249W WO 2022186125 A1 WO2022186125 A1 WO 2022186125A1
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- Prior art keywords
- film
- resin
- glucan
- rosin
- weight
- Prior art date
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- 239000002390 adhesive tape Substances 0.000 title abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 101
- 239000011347 resin Substances 0.000 claims abstract description 101
- 229920002498 Beta-glucan Polymers 0.000 claims abstract description 57
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims abstract description 42
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims abstract description 42
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims abstract description 42
- 150000003505 terpenes Chemical class 0.000 claims abstract description 28
- 235000007586 terpenes Nutrition 0.000 claims abstract description 28
- 125000002252 acyl group Chemical group 0.000 claims abstract description 25
- 239000003208 petroleum Substances 0.000 claims abstract description 17
- 125000001183 hydrocarbyl group Chemical group 0.000 claims abstract 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 2
- 239000012790 adhesive layer Substances 0.000 abstract description 11
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 24
- 230000015572 biosynthetic process Effects 0.000 description 17
- 238000003786 synthesis reaction Methods 0.000 description 17
- 238000006467 substitution reaction Methods 0.000 description 14
- 125000001931 aliphatic group Chemical group 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- 239000007787 solid Substances 0.000 description 11
- 125000000217 alkyl group Chemical group 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 150000002148 esters Chemical class 0.000 description 9
- 150000002430 hydrocarbons Chemical group 0.000 description 8
- 125000004063 butyryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 238000005160 1H NMR spectroscopy Methods 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- DVECBJCOGJRVPX-UHFFFAOYSA-N butyryl chloride Chemical compound CCCC(Cl)=O DVECBJCOGJRVPX-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 150000003855 acyl compounds Chemical class 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- 229920005601 base polymer Polymers 0.000 description 2
- 125000000480 butynyl group Chemical group [*]C#CC([H])([H])C([H])([H])[H] 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 150000004678 hydrides Chemical class 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 238000001226 reprecipitation Methods 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- KPAPHODVWOVUJL-UHFFFAOYSA-N 1-benzofuran;1h-indene Chemical compound C1=CC=C2CC=CC2=C1.C1=CC=C2OC=CC2=C1 KPAPHODVWOVUJL-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- 238000001157 Fourier transform infrared spectrum Methods 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000003104 hexanoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- REEZZSHJLXOIHL-UHFFFAOYSA-N octanoyl chloride Chemical compound CCCCCCCC(Cl)=O REEZZSHJLXOIHL-UHFFFAOYSA-N 0.000 description 1
- 125000002801 octanoyl group Chemical group C(CCCCCCC)(=O)* 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- RZWZRACFZGVKFM-UHFFFAOYSA-N propanoyl chloride Chemical compound CCC(Cl)=O RZWZRACFZGVKFM-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000003774 valeryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L93/00—Compositions of natural resins; Compositions of derivatives thereof
- C08L93/04—Rosin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J105/00—Adhesives based on polysaccharides or on their derivatives, not provided for in groups C09J101/00 or C09J103/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J193/00—Adhesives based on natural resins; Adhesives based on derivatives thereof
- C09J193/04—Rosin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J201/00—Adhesives based on unspecified macromolecular compounds
- C09J201/02—Adhesives based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2405/00—Presence of polysaccharides
- C09J2405/006—Presence of polysaccharides in the substrate
Definitions
- the present invention relates to films and adhesive tapes.
- a film containing ⁇ -1,3-glucan is known (see, for example, Patent Document 1 below).
- the films described above are required to have excellent mechanical strength depending on the application and purpose.
- the film described in Patent Document 1 has a problem that it cannot satisfy the above requirements.
- the present invention provides films and adhesive tapes with excellent mechanical strength.
- the present invention (1) provides a ⁇ -1,3-glucan derivative obtained by introducing an acyl group into ⁇ -1,3-glucan, and at least one selected from the group consisting of rosin-based resins, terpene-based resins and petroleum-based resins.
- the acyl group is represented by RCO-, the R is a hydrocarbon group having 1 to 5 carbon atoms, and the ratio of the resin to 100 parts by weight of the ⁇ -1,3-glucan derivative. Including films in which the parts by weight are 90 parts by weight or less.
- the present invention (2) includes an adhesive tape comprising the film according to (1) and an adhesive layer disposed on one side of the film in the thickness direction.
- the film and adhesive tape of the present invention have excellent mechanical strength.
- FIG. 1 is a cross-sectional view of one embodiment of the film of the present invention.
- FIG. 2 is a cross-sectional view of an adhesive tape provided with the film shown in FIG. 1;
- FIG. 3 shows a modification of the adhesive tape.
- the film of the present invention contains a ⁇ -1,3-glucan derivative and a resin.
- the ⁇ -1,3-glucan derivative is the base polymer (or main polymer) in the film.
- a ⁇ -1,3-glucan derivative is a partial acyl compound in which a portion of the hydroxyl groups in glucose contained in ⁇ -1,3-glucan is acylated with an acyl group. That is, the ⁇ -1,3-glucan derivative is an acyl compound obtained by introducing an acyl group into ⁇ -1,3-glucan.
- RCO- An acyl group is represented by RCO-.
- R include hydrocarbon groups.
- the hydrocarbon group includes, for example, an aliphatic hydrocarbon group and an alicyclic hydrocarbon group, preferably an aliphatic hydrocarbon group from the viewpoint of increasing mechanical strength.
- aliphatic hydrocarbon groups include saturated aliphatic hydrocarbon groups and unsaturated aliphatic hydrocarbon groups.
- the aliphatic hydrocarbon group is preferably a saturated aliphatic hydrocarbon group from the viewpoint of increasing mechanical strength.
- alkyl group is mentioned as a saturated aliphatic hydrocarbon group.
- alkyl groups include linear alkyl groups and branched alkyl groups.
- Linear alkyl groups include methyl, ethyl, propyl, butyl, sec-butyl, pentyl, and 3-pentyl.
- Branched alkyl groups include, for example, iso-propyl, iso-butyl, tert-butyl, iso-pentyl, and neo-pentyl.
- the alkyl group preferably includes a linear alkyl group.
- the number of carbon atoms in the hydrocarbon group (preferably alkyl group) is 1 or more, preferably 2 or more, more preferably 3 or more.
- the hydrocarbon group is at least the above-described lower limit, the tensile modulus of the film can be increased.
- the number of carbon atoms in the hydrocarbon group (preferably alkyl group) is 5 or less, preferably 4 or less, and more preferably 3 or less. If the number of carbon atoms in the hydrocarbon group exceeds 5, the tensile modulus and maximum tensile stress are lowered. In particular, if the number of carbon atoms in the hydrocarbon group is equal to or less than the above upper limit (preferably 3), the maximum tensile stress can be increased.
- Examples of unsaturated aliphatic hydrocarbon groups include alkenyl groups.
- Alkenyl groups include, for example, vinyl groups and 2-propenyl groups.
- acyl groups include acetyl (an example in which R in RCO is CH3 ), propionyl (an example in which R in RCO is C2H5 ), butynyl ( an example in which R in RCO is C3H7 ), and pentanoyl. (Examples in which R in RCO is C4H9 ) and hexanoyl ( examples in which R in RCO is C5H11 ). Preferred are propionyl and butynyl.
- the degree of substitution of acyl groups in the ⁇ -1,3-glucan derivative is not limited.
- the degree of substitution of acyl groups can be referred to as DS.
- the degree of acyl substitution in the ⁇ -1,3-glucan derivative is the average number of substituted (introduced) acyl groups out of the three hydroxyl groups in the ⁇ -1,3-glucan unit. Therefore, theoretically, the upper limit of the degree of substitution of acyl groups in the ⁇ -1,3-glucan derivative is 3.0.
- the degree of substitution of the acyl group in the ⁇ -1,3-glucan derivative is, for example, 1.5 or more, preferably 2.0 or more, and 3.0 or less, preferably less than 3.0, more preferably. is less than or equal to 2.9. If the degree of substitution of the acyl group in the ⁇ -1,3-glucan derivative is at least the lower limit or below the upper limit, the formability of the film by hot press is excellent.
- Types, physical properties and production methods of ⁇ -1,3-glucan derivatives are described, for example, in JP-A-2018-154723.
- the degree of substitution of acyl groups in the ⁇ -1,3-glucan derivative is determined by 1 H-NMR. Measurement by 1 H-NMR is described, for example, in JP-A-2015-124183.
- the resin is a component that secures the shape retention of the film and improves the mechanical strength of the film.
- the resin is at least one selected from the group consisting of rosin-based resins, terpene-based resins and petroleum-based resins.
- the rosin-based resin, the terpene-based resin, and the petroleum-based resin may be partially overlapped without being distinguished from each other.
- the resin includes resins classified as terpene-based resins while being classified as rosin-based resins.
- the resins also include resins classified as petroleum-based resins while being classified as rosin-based resins.
- resins include resins classified as petroleum-based resins while classified as terpene-based resins.
- rosin-based resins include disproportionated rosin, rosin ester, phenol-modified rosin, hydrogenated rosin, polymerized rosin, maleated rosin, fumarated rosin, disproportionated maleic acid-modified rosin resin, and rosin metal salts.
- Rosin esters include pentaerythritol ester-modified rosin resins. Phenol-modified rosins are sometimes referred to as terpene phenolic resins. These can be used alone or in combination.
- Rosin-based resins preferably include rosin esters and rosin metal salts from the viewpoint of improving mechanical strength.
- the softening point of the rosin-based resin is not limited. Specifically, the softening point of the rosin-based resin according to the ring and ball method is, for example, 110° C. or higher and, for example, 170° C. or lower.
- Terpene-based resins include, for example, terpene resins, hydrides of terpene resins, aromatic modified terpene resins, phenol-modified terpene resins, and hydrides of phenol-modified terpene resins. These can be used alone or in combination.
- the terpene-based resin preferably includes a phenol-modified terpene resin and a terpene resin, and more preferably a phenol-modified terpene resin from the viewpoint of increasing the tensile modulus and maximum stress of the film. Phenol-modified terpene resins are sometimes referred to as terpene phenolic resins.
- the softening point of the terpene resin is not limited. Specifically, the softening point of the terpene-based resin according to the ring and ball method is, for example, 15° C. or higher, preferably 60° C. or higher, more preferably 100° C. or higher, and for example, 170° C. or lower, preferably 140° C. or less. If the softening point of the terpene-based resin measured by the ring and ball method is at least the lower limit described above, the tensile modulus and maximum stress of the film can be increased.
- Petroleum-based resins include, for example, aliphatic (C5) petroleum resins, aromatic (C9) petroleum resins, aliphatic/aromatic copolymer (C5/C9) petroleum resins, hydrogenated products thereof, modified products thereof ( Examples thereof include maleic anhydride modified products), coumarone resins, coumarone-indene resins, and styrene-based tackifiers. These can be used alone or in combination. From the viewpoint of improving mechanical strength, the petroleum-based resin is preferably a hydrogenated product, more preferably a hydrogenated aromatic (C9) petroleum resin.
- the hydrogenation rate of the hydrogenated product is not limited.
- the hydrogenation rate is, for example, 50% or more, preferably 80% or more from the viewpoint of improving mechanical strength, and is, for example, 100% or less.
- the softening point of the resin is not limited.
- the softening point of the resin by the ring and ball method is, for example, 25° C. or higher and, for example, 170° C. or lower.
- Rosin-based resins, terpene-based resins and petroleum-based resins are identified by 1 H-NMR spectra, FT-IR spectra, gel permeation chromatography, and/or mass spectroscopy.
- the weight part of the resin is 90 weight parts or less with respect to 100 weight parts of the ⁇ -1,3-glucan derivative. If the resin content exceeds 90 parts by weight per 100 parts by weight of the ⁇ -1,3-glucan derivative, the shape retention of the film cannot be ensured, and the tensile modulus and maximum tensile stress decrease. That is, the mechanical strength of the film is insufficient.
- the weight parts of the resin with respect to 100 parts by weight of the ⁇ -1,3-glucan derivative is, for example, 5 parts by weight or more, preferably 10 parts by weight or more, more preferably 20 parts by weight, from the viewpoint of sufficiently improving the mechanical strength of the film. Part by weight or more, more preferably 30 parts by weight or more, particularly preferably 50 parts by weight or more from the viewpoint of increasing the maximum tensile stress. Also, the weight parts of the resin with respect to 100 parts by weight of the ⁇ -1,3-glucan derivative is preferably 80 parts by weight or less, more preferably 70 parts by weight or less, and still more preferably from the viewpoint of increasing the tensile modulus. and 60 parts by weight or less.
- the resin may contain additives in an appropriate proportion within a range that does not impair the effects of the present invention.
- Additives include, for example, other base polymers, other resins, leveling agents, plasticizers, fillers, stabilizers, preservatives, and anti-aging agents.
- the thickness of the film is not limited.
- the thickness of the film is, for example, 0.1 ⁇ m or more, preferably 1 ⁇ m or more, and is, for example, 1000 ⁇ m or less, preferably 250 ⁇ m or less.
- the film for example, does not have tackiness (adhesiveness) and has high toughness.
- the tensile modulus (Young's modulus) of the film at 23° C. is, for example, 100 MPa or higher, preferably 150 MPa or higher, more preferably 200 MPa or higher, still more preferably 300 MPa or higher, and further preferably 400 MPa. Above, 450 MPa or more, 500 MPa or more, 600 MPa or more, 625 MPa or more, and 700 MPa or more are suitable. If the tensile elastic modulus of the film is at least the lower limit described above, the film does not have tackiness (adhesiveness), is excellent in shape retention, and excellent in mechanical strength. The upper limit of the tensile modulus of the film at 23°C is not limited.
- the tensile elastic modulus of the film at 23° C. is, for example, 10,000 MPa or less, preferably 1,000 MPa or less. If the tensile modulus of the film is equal to or less than the upper limit described above, the film is excellent in toughness.
- the maximum tensile stress of the film at 23° C. is, for example, 5 MPa or more, preferably 12.5 MPa or more, more preferably 15 MPa or more, still more preferably 17.5 MPa or more, further 19 MPa or more, 20 MPa or more, 22 MPa or more, 25 MPa or more is suitable. If the maximum tensile stress of the film is at least the above lower limit, the film will be excellent in mechanical strength.
- the upper limit of the maximum tensile stress of the film is not limited. Specifically, the maximum tensile stress of the film at 23° C. is, for example, 1,000 MPa or less.
- a ⁇ -1,3-glucan derivative, a resin, and optionally additives are blended and mixed to prepare a film composition.
- the film composition contains a ⁇ -1,3-glucan derivative, a resin, and optionally additives.
- a solution containing the film composition can also be prepared by dissolving each of the components described above in a solvent.
- the type of solvent is not limited.
- the proportion of solids in the solution of the film composition is, for example, 1% by weight or more, preferably 3% by weight or more, and is, for example, less than 50% by weight, preferably 30% by weight or less.
- the film composition solution is applied to the surface of the release sheet 2 indicated by the phantom lines.
- the solution is then dried to form film 1 .
- drying heat if necessary. Drying conditions are not limited as long as the solvent contained in the solution is removed.
- the surface of the release sheet 2 may be subjected to release treatment.
- the release sheet 2 is peeled off from the film 1 as indicated by the arrow in FIG.
- the adhesive tape 3 includes a film 1 and an adhesive layer 4 in order toward one side in the thickness direction.
- the film 1 is a base film in the adhesive tape 3.
- the adhesive layer 4 is arranged on one surface of the film 1 in the thickness direction.
- the adhesive layer 4 consists of an adhesive composition.
- the adhesive composition is not limited.
- the thickness of the adhesive layer 4 is not limited.
- the thickness of the adhesive tape 3 is, for example, 1 ⁇ m or more and, for example, 1100 ⁇ m or less.
- the film 1 described above has excellent mechanical strength.
- the adhesive tape 3 has excellent mechanical strength because it includes the film 1 described above.
- the adhesive tape 3 can further comprise a second release sheet 5, as indicated by the phantom lines in FIG.
- the second release sheet 5 is arranged on one surface of the pressure-sensitive adhesive layer 4 in the thickness direction.
- the adhesive tape 3 can also include a film 1 and an adhesive layer 4 arranged on each of its front and back surfaces.
- the adhesive layer 4, the film 1, and the adhesive layer 4 are arranged in order toward one side in the thickness direction.
- the degree of substitution of butyryl in the butyrylated ⁇ -1,3-glucan was determined by 1 H-NMR.
- 1 H-NMR signals of hydrogen atoms forming hydroxyl groups in glucose units and signals of hydrogen atoms forming butyryl (C 3 H 7 CO) were distinguished and detected.
- the degree of substitution of butyryl (acyl group) was determined based on the integrated value of each of the two signals.
- the degree of substitution (DS) was 2.8.
- the degree of substitution (DS) of the acyl groups in the ⁇ -1,3-glucan derivatives in the synthesis examples below was also determined in the same manner as described above.
- Octanoylated ⁇ -1,3-glucan was obtained in the same manner as in Synthesis Example 1. However, 19.7 mL (185.0 mmol: Fujifilm Wako Co., Ltd.) of butyryl chloride was changed to 31.58 mL (185.0 mmol: Fujifilm Wako Co., Ltd.) of octanoyl chloride. For reprecipitation, the solid matter was dissolved in 300 mL of toluene and poured into 1000 mL of methanol.
- Example 1 The acylated ⁇ -1,3-glucan (dry product) of Synthesis Example 1 was dissolved in toluene to prepare a toluene solution of acylated ⁇ -1,3-glucan having a solid concentration of 5% by weight.
- a rosin-based resin Pencel D-125 (Arakawa Chemical Industries, Ltd., rosin ester, softening point 120 to 130° C. according to the ring and ball method) was dissolved in toluene to obtain a rosin-based resin with a solid content concentration of 50% by weight.
- a toluene solution of was prepared.
- An applicator manufactured by Tester Sangyo Co., Ltd. was used to apply the solution of the film composition to the surface (release-treated surface) of the release sheet 2 made of DIAFOIL MRF25 (polyethylene terephthalate, thickness 25 ⁇ m, Mitsubishi Chemical Co., Ltd.). . Subsequently, it was dried by heating at 60° C. for 5 minutes and further at 100° C. for 5 minutes. Thus, a film 1 having a thickness of 50 ⁇ m was produced in contact with the release sheet 2 .
- Examples 2 to 11 and Comparative Examples 1 to 3 Films 1 of Examples 2 to 11 and Comparative Examples 1 to 3 were produced in the same manner as in Example 1. The changes from Example 1 are described below. See Tables 1-3.
- Example 2 The weight part of the resin per 100 weight parts of the acylated ⁇ -1,3-glucan was changed from 30 weight parts to 50 weight parts.
- Example 3 The weight part of the resin per 100 weight parts of the acylated ⁇ -1,3-glucan was changed from 30 weight parts to 70 weight parts.
- Example 4 Instead of the rosin resin Pencel D-125 (Arakawa Chemical Industries, Ltd., rosin ester, softening point 120 to 130 ° C. by the ring and ball method), the rosin resin Pencel D-160 (Arakawa Chemical Industries, Ltd.) , rosin ester, ring and ball softening point 150 to 165°C) were used.
- Example 5 Instead of the rosin resin Pencel D-125 (Arakawa Chemical Industries, Ltd., rosin ester, softening point 120 to 130 ° C. according to the ring and ball method), the rosin resin Tamanol 901 (Arakawa Chemical Industries, Ltd., phenol Modified rosin, ring and ball softening point 125-135°C) was used.
- Example 7 YS Polystar T-30 (Yasuhara Chemical Co., Ltd., A phenol-modified terpene resin, ring and ball softening point of 25 to 35° C.) was used.
- YS Polyster T-130 (Yasuhara Chemical Co., Ltd., A phenol-modified terpene resin, ring and ball softening point of 125 to 135° C.) was used.
- YS resin PX-1250 (Yasuhara Chemical Co., Ltd., Yasuhara Chemical Co., Ltd., terpene resin, ring and ball softening point 120-130°C) was used.
- Example 10> Instead of Pencel D-125 (Arakawa Chemical Industries Co., Ltd., rosin ester, softening point 120 to 130 ° C. by the ring and ball method), which is a rosin resin, Alcon P-125 (Arakawa Chemical Industries Co., Ltd.), which is a petroleum resin , a hydrogenated aromatic (C9-based) petroleum resin with a hydrogenation rate of 90 to 100%).
- Pencel D-125 Arakawa Chemical Industries Co., Ltd., rosin ester, softening point 120 to 130 ° C. by the ring and ball method
- Alcon P-125 Alcon P-125
- C9-based hydrogenated aromatic
- Example 11 Instead of the butyrylated ⁇ -1,3-glucan of Synthesis Example 1, the propionylated ⁇ -1,3-glucan of Synthesis Example 2 was used. That is, in Example 11, the acyl group in the ⁇ -1,3-glucan derivative was changed from butyryl to propionyl (R in RCO is 2).
- Example 1 is shown in both Tables 2 and 3 for easy comparison with other examples.
- the film 1 was cut into a width of 10 mm and a length of 50 mm, and the release sheet 2 was peeled from the film 1 after the cut. A sample was thus prepared.
- the tensile elastic modulus of the sample at 23°C and the maximum tensile stress of the sample at 23°C were determined by a tensile test using a universal testing machine. Autograph AG-X/R (Shimadzu Corporation) was used as a universal testing machine. The tensile speed was 300 mm/min. The chuck-to-chuck distance in the sample was 20 mm. The test environment was a temperature of 23°C and a relative humidity of 50%. In the tensile test, an SS (stress-strain) test was performed to obtain an SS (stress-strain) line.
- ⁇ Tensile modulus> The initial tensile modulus was obtained as the tensile modulus from the obtained SS (stress-strain) line.
- the film is provided on the adhesive tape together with the adhesive layer.
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Abstract
Description
本発明のフィルムは、β-1,3-グルカン誘導体と、樹脂とを含有する。
β-1,3-グルカン誘導体は、フィルムにおけるベースポリマー(またはメインポリマー)である。β-1,3-グルカン誘導体は、β-1,3-グルカンに含まれるグルコース中のヒドロキシル基の一部がアシル基でアシル化された部分アシル化合物である。つまり、β-1,3-グルカン誘導体は、β-1,3-グルカンにアシル基を導入したアシル化合物である。
アルキル基として、好ましくは、直鎖状のアルキル基が挙げられる。
樹脂は、フィルムの保形性を確保して、フィルムの機械強度を向上させる成分である。樹脂は、ロジン系樹脂、テルペン系樹脂および石油系樹脂からなる群から選択される少なくとも1つである。なお、ロジン系樹脂、テルペン系樹脂および石油系樹脂における相互の分類は、峻別されることなく、一部重複してもよい。具体的には、樹脂は、ロジン系樹脂と分類される一方で、テルペン系樹脂と分類される樹脂を含む。また、樹脂は、ロジン系樹脂と分類される一方で、石油系樹脂と分類される樹脂を含む。さらに、樹脂は、テルペン系樹脂と分類される一方で、石油系樹脂と分類される樹脂を含む。
ロジン系樹脂としては、例えば、不均化ロジン、ロジンエステル、フェノール変性ロジン、水添ロジン、重合ロジン、マレイン化ロジン、フマル化ロジン、不均化マレイン酸変性ロジン樹脂、および、ロジン金属塩などが挙げられる。ロジンエステルは、ペンタエリストールエステル変性ロジン樹脂を含む。フェノール変性ロジンは、テルペンフェノール樹脂と称呼される場合がある。これらは、単独使用または併用できる。ロジン系樹脂としては、好ましくは、機械強度を向上させる観点から、ロジンエステル、および、ロジン金属塩が挙げられる。
テルペン系樹脂としては、例えば、テルペン樹脂、テルペン樹脂の水素化物、芳香族変性テルペン樹脂、フェノール変性テルペン樹脂、および、フェノール変性テルペン樹脂の水素化物が挙げられる。これらは、単独使用または併用できる。テルペン系樹脂として、好ましくは、フェノール変性テルペン樹脂、および、テルペン樹脂が挙げられ、より、好ましくは、フィルムの引張弾性率および最大応力を高くする観点から、フェノール変性テルペン樹脂が挙げられる。フェノール変性テルペン樹脂は、テルペンフェノール樹脂と称呼される場合がある。
石油系樹脂としては、例えば、脂肪族(C5)石油樹脂、芳香族(C9)石油樹脂、脂肪族/芳香族共重合(C5/C9)石油樹脂、これらの水素添加物、これらの変性物(例えば、無水マレイン酸変性物)、クマロン樹脂、クマロンインデン樹脂、および、スチレン系粘着付与剤などが挙げられる。これらは、単独使用または併用できる。石油系樹脂として、好ましくは、機械強度を向上させる観点から、水素添加物が挙げられ、より好ましくは、芳香族(C9)石油樹脂の水素添加物が挙げられる。
β-1,3-グルカン誘導体100重量部に対する樹脂の重量部は、90重量部以下である。β-1,3-グルカン誘導体100重量部に対する樹脂の重量部が90重量部を越えれば、フィルムの保形性を確保できず、引張弾性率および引張最大応力が低下する。つまり、フィルムの機械強度が不十分である。
樹脂は、本願発明の効果を阻害しない範囲で、添加剤を適宜の割合で含有してもよい。添加剤としては、例えば、他のベースポリマー、他の樹脂、レベリング剤、可塑剤、充填剤、安定剤、防腐剤、および、老化防止剤が挙げられる。
フィルムの厚みは、限定されない。フィルムの厚みは、例えば、0.1μm以上、好ましくは、1μm以上であり、また、例えば、1000μm以下、好ましくは、250μm以下である。
上記したフィルム1は、機械強度に優れる。
変形例において、一実施形態と同様の部材および工程については、同一の参照符号を付し、その詳細な説明を省略する。また、変形例は、特記する以外、一実施形態と同様の作用効果を奏することができる。さらに、一実施形態およびその変形例を適宜組み合わせることができる。
<合成例1>
<ブチリル化β-1,3-グルカン(RCOにおけるRの炭素数が3で、アシル基の置換度が2.8)の合成>
<プロピオニル化β-1,3-グルカン(RCOにおけるRの炭素数が2で、アシル基の置換度が2.8)の合成>
合成例1と同様に処理してプロピオニル化β-1,3-グルカンを得た。但し、ブチリルクロリド19.7mL(185.0mmol:富士フィルム和光(株))に代えてプロピオニルクロリド16.17mL(185.0mmol:富士フィルム和光(株))を配合した。
<オクタノイル化β-1,3-グルカン(RCOにおけるRの炭素数が7で、アシル基の置換度が2.8)の合成>
<実施例1>
合成例1のアシル化β-1,3-グルカン(乾燥物)をトルエンに溶解して、固形分濃度が5重量%のアシル化β-1,3-グルカンのトルエン溶液を調製した。
実施例1と同様にして、実施例2から実施例11と比較例1から比較例3とのそれぞれのフィルム1を製造した。実施例1からの変更点を、以下、それぞれ記載する。表1から表3を参照できる。
アシル化β-1,3-グルカン100重量部に対する樹脂の重量部を30重量部から50重量部に変更した。
アシル化β-1,3-グルカン100重量部に対する樹脂の重量部を30重量部から70重量部に変更した。
樹脂を配合しなかった。
アシル化β-1,3-グルカン100重量部に対する樹脂の重量部を30重量部から100重量部に変更した。
ロジン系樹脂であるペンセルD-125(荒川化学工業(株)、ロジンエステル、環球法による軟化点120から130℃)に代えて、ロジン系樹脂であるペンセルD-160(荒川化学工業(株)、ロジンエステル、環球法による軟化点150から165℃)を用いた。
ロジン系樹脂であるペンセルD-125(荒川化学工業(株)、ロジンエステル、環球法による軟化点120から130℃)に代えて、ロジン系樹脂であるタマノル901(荒川化学工業(株)、フェノール変性ロジン、環球法による軟化点125から135℃)を用いた。
ロジン系樹脂であるペンセルD-125(荒川化学工業(株)、ロジンエステル、環球法による軟化点120から130℃)に代えて、ロジン系樹脂であるパインクリスタルKR-50M(荒川化学工業(株)、ロジン金属塩、環球法による軟化点145から160℃)を用いた。
ロジン系樹脂であるペンセルD-125(荒川化学工業(株)、ロジンエステル、環球法による軟化点120から130℃)に代えて、テルペン系樹脂であるYSポリスターT-30(ヤスハラケミカル(株)、フェノール変性テルペン樹脂、環球法による軟化点25から35℃)を用いた。
ロジン系樹脂であるペンセルD-125(荒川化学工業(株)、ロジンエステル、環球法による軟化点120から130℃)に代えて、テルペン系樹脂であるYSポリスターT-130(ヤスハラケミカル(株)、フェノール変性テルペン樹脂、環球法による軟化点125から135℃)を用いた。
ロジン系樹脂であるペンセルD-125(荒川化学工業(株)、ロジンエステル、環球法による軟化点120から130℃)に代えて、テルペン系樹脂であるYSレジン PX-1250(ヤスハラケミカル(株)、テルペン樹脂、環球法による軟化点120から130℃)を用いた。
ロジン系樹脂であるペンセルD-125(荒川化学工業(株)、ロジンエステル、環球法による軟化点120から130℃)に代えて、石油系樹脂であるアルコンP-125(荒川化学工業(株)、芳香族(C9系)石油樹脂の水素添加物、水素添加率が90から100%)を用いた。
合成例1のブチリル化β-1,3-グルカンに代えて、合成例2のプロピオニル化β-1,3-グルカンを用いた。つまり、実施例11では、β-1,3-グルカン誘導体におけるアシル基をブチリルからプロピオニル(RCOにおけるRが2)に変更した。
合成例1のブチリル化β-1,3-グルカンに代えて、比較合成例1のオクタノイル化β-1,3-グルカンを用いた。つまり、比較例3では、β-1,3-グルカン誘導体におけるアシル基をブチリルからオクタノイル(RCOにおけるRが7)に変更した。
取得したS-S(応力-歪み)線より、初期引張弾性率を引張弾性率として取得した。
S-S(応力-歪み)線における破断までの間の最大応力を引張最大応力として取得した。
3 粘着テープ
4 粘着剤層
Claims (2)
- β-1,3-グルカンにアシル基を導入したβ-1,3-グルカン誘導体と、
ロジン系樹脂、テルペン系樹脂および石油系樹脂からなる群から選択される少なくとも1つの樹脂とを含み、
前記アシル基は、RCO-で示され、前記Rが、炭素数1以上5以下の炭化水素基であり、
前記β-1,3-グルカン誘導体100重量部に対する前記樹脂の重量部が、90重量部以下である、フィルム。 - 請求項1に記載のフィルムと、
前記フィルムの厚み方向の一方面に配置される粘着剤層と
を備える、粘着テープ。
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CN202280018445.5A CN117015583A (zh) | 2021-03-01 | 2022-02-28 | 薄膜和粘合带 |
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JP2018154723A (ja) | 2017-03-17 | 2018-10-04 | 国立研究開発法人産業技術総合研究所 | 接着剤および粘着剤 |
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JP2004331837A (ja) | 2003-05-08 | 2004-11-25 | Kanai Hiroaki | 生分解性のフィルム又は繊維用パラミロン溶液及びその製造方法並びに生分解性フィルム又は繊維 |
JP2006070091A (ja) * | 2004-08-31 | 2006-03-16 | Dainippon Printing Co Ltd | 粘着剤および粘着部材 |
WO2014077340A1 (ja) * | 2012-11-14 | 2014-05-22 | 独立行政法人産業技術総合研究所 | β-1,3-グルカン誘導体、及びβ-1,3-グルカン誘導体の製造方法 |
JP2015124183A (ja) | 2013-12-26 | 2015-07-06 | 株式会社ダイセル | 化粧料 |
JP2017193667A (ja) * | 2016-04-21 | 2017-10-26 | 国立研究開発法人産業技術総合研究所 | β−1,3−グルカン誘導体及びその製造方法、並びに成形体 |
JP2018141904A (ja) * | 2017-02-28 | 2018-09-13 | 国立研究開発法人産業技術総合研究所 | 光学フィルムおよびその製造方法 |
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