JP2016528333A - 低いブロッキング力を示す、水素化スチレン系ブロック共重合体およびエチレン酢酸ビニル共重合体を含有するホットメルト接着剤 - Google Patents
低いブロッキング力を示す、水素化スチレン系ブロック共重合体およびエチレン酢酸ビニル共重合体を含有するホットメルト接着剤 Download PDFInfo
- Publication number
- JP2016528333A JP2016528333A JP2016525795A JP2016525795A JP2016528333A JP 2016528333 A JP2016528333 A JP 2016528333A JP 2016525795 A JP2016525795 A JP 2016525795A JP 2016525795 A JP2016525795 A JP 2016525795A JP 2016528333 A JP2016528333 A JP 2016528333A
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- JP
- Japan
- Prior art keywords
- composition
- vinyl acetate
- adhesive
- weight
- block copolymer
- 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.)
- Granted
Links
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 title claims abstract description 40
- 239000005038 ethylene vinyl acetate Substances 0.000 title claims abstract description 38
- 229920006132 styrene block copolymer Polymers 0.000 title claims abstract description 32
- 239000004831 Hot glue Substances 0.000 title claims abstract description 27
- 230000000903 blocking effect Effects 0.000 title abstract description 20
- 230000001070 adhesive effect Effects 0.000 claims abstract description 74
- 239000000853 adhesive Substances 0.000 claims abstract description 72
- 229920005989 resin Polymers 0.000 claims abstract description 44
- 239000011347 resin Substances 0.000 claims abstract description 44
- -1 Styrene ethylene butylene styrene Chemical class 0.000 claims abstract description 31
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004014 plasticizer Substances 0.000 claims abstract description 19
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims description 69
- 239000000758 substrate Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 22
- 239000001993 wax Substances 0.000 claims description 17
- 229920001577 copolymer Polymers 0.000 claims description 14
- 239000000155 melt Substances 0.000 claims description 14
- 229920000573 polyethylene Polymers 0.000 claims description 11
- 239000004698 Polyethylene Substances 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 239000002480 mineral oil Substances 0.000 claims description 5
- 235000010446 mineral oil Nutrition 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000004200 microcrystalline wax Substances 0.000 claims description 2
- 235000019808 microcrystalline wax Nutrition 0.000 claims description 2
- 239000000123 paper Substances 0.000 claims description 2
- 229920001748 polybutylene Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 239000004615 ingredient Substances 0.000 claims 1
- 239000002985 plastic film Substances 0.000 claims 1
- 239000012943 hotmelt Substances 0.000 abstract description 17
- 239000004745 nonwoven fabric Substances 0.000 abstract description 14
- 150000003440 styrenes Chemical class 0.000 abstract description 3
- 230000000740 bleeding effect Effects 0.000 abstract description 2
- 229920000642 polymer Polymers 0.000 description 26
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 19
- 239000000047 product Substances 0.000 description 16
- 239000007921 spray Substances 0.000 description 15
- 238000012360 testing method Methods 0.000 description 15
- 238000009472 formulation Methods 0.000 description 13
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 12
- 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 description 12
- 229920006270 hydrocarbon resin Polymers 0.000 description 12
- 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 description 12
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 9
- 239000005977 Ethylene Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 235000007586 terpenes Nutrition 0.000 description 8
- 229920013640 amorphous poly alpha olefin Polymers 0.000 description 7
- 239000013032 Hydrocarbon resin Substances 0.000 description 6
- 125000001931 aliphatic group Chemical group 0.000 description 6
- 125000003118 aryl group Chemical group 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 235000019198 oils Nutrition 0.000 description 6
- 239000003209 petroleum derivative Substances 0.000 description 6
- 150000003505 terpenes Chemical class 0.000 description 6
- 229920001400 block copolymer Polymers 0.000 description 5
- 229920002633 Kraton (polymer) Polymers 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 229920006271 aliphatic hydrocarbon resin Polymers 0.000 description 4
- GJKZSOHUVOQISW-UHFFFAOYSA-N buta-1,3-diene;2-methylbuta-1,3-diene;styrene Chemical compound C=CC=C.CC(=C)C=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 GJKZSOHUVOQISW-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 150000002314 glycerols Chemical class 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 150000003097 polyterpenes Chemical class 0.000 description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 4
- NGYFVLXDIUCNIG-UHFFFAOYSA-N C=C.C=C.CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 Chemical compound C=C.C=C.CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 NGYFVLXDIUCNIG-UHFFFAOYSA-N 0.000 description 3
- VCLWNCAUAKTVII-UHFFFAOYSA-N C=C.CC=C.C=CC1=CC=CC=C1 Chemical group C=C.CC=C.C=CC1=CC=CC=C1 VCLWNCAUAKTVII-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 206010021639 Incontinence Diseases 0.000 description 3
- 238000007605 air drying Methods 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- NRJXUPLBIUZXLW-UHFFFAOYSA-N ethene;prop-1-ene;styrene Chemical compound C=C.CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 NRJXUPLBIUZXLW-UHFFFAOYSA-N 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000009477 glass transition Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000008158 vegetable oil Substances 0.000 description 3
- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 2
- ROGIWVXWXZRRMZ-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1 ROGIWVXWXZRRMZ-UHFFFAOYSA-N 0.000 description 2
- VSKJLJHPAFKHBX-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 VSKJLJHPAFKHBX-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 239000010775 animal oil Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 239000005022 packaging material Substances 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
- 239000003760 tallow Substances 0.000 description 2
- 229920001897 terpolymer Polymers 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- PZWQOGNTADJZGH-SNAWJCMRSA-N (2e)-2-methylpenta-2,4-dienoic acid Chemical compound OC(=O)C(/C)=C/C=C PZWQOGNTADJZGH-SNAWJCMRSA-N 0.000 description 1
- QLZJUIZVJLSNDD-UHFFFAOYSA-N 2-(2-methylidenebutanoyloxy)ethyl 2-methylidenebutanoate Chemical compound CCC(=C)C(=O)OCCOC(=O)C(=C)CC QLZJUIZVJLSNDD-UHFFFAOYSA-N 0.000 description 1
- VNWOJVJCRAHBJJ-UHFFFAOYSA-N 2-pentylcyclopentan-1-one Chemical compound CCCCCC1CCCC1=O VNWOJVJCRAHBJJ-UHFFFAOYSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical class C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000005727 Friedel-Crafts reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000002015 acyclic group Chemical group 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000007824 aliphatic compounds Chemical class 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000012164 animal wax Substances 0.000 description 1
- 229920006272 aromatic hydrocarbon resin Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 235000015278 beef Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- QYMGIIIPAFAFRX-UHFFFAOYSA-N butyl prop-2-enoate;ethene Chemical compound C=C.CCCCOC(=O)C=C QYMGIIIPAFAFRX-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 239000002385 cottonseed oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- VKLYZBPBDRELST-UHFFFAOYSA-N ethene;methyl 2-methylprop-2-enoate Chemical compound C=C.COC(=O)C(C)=C VKLYZBPBDRELST-UHFFFAOYSA-N 0.000 description 1
- HGVPOWOAHALJHA-UHFFFAOYSA-N ethene;methyl prop-2-enoate Chemical compound C=C.COC(=O)C=C HGVPOWOAHALJHA-UHFFFAOYSA-N 0.000 description 1
- BXOUVIIITJXIKB-UHFFFAOYSA-N ethene;styrene Chemical group C=C.C=CC1=CC=CC=C1 BXOUVIIITJXIKB-UHFFFAOYSA-N 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 229920006245 ethylene-butyl acrylate Polymers 0.000 description 1
- 239000005042 ethylene-ethyl acrylate Substances 0.000 description 1
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
- 229920006225 ethylene-methyl acrylate Polymers 0.000 description 1
- 239000005043 ethylene-methyl acrylate Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 235000019688 fish Nutrition 0.000 description 1
- 238000009459 flexible packaging Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000012169 petroleum derived wax Substances 0.000 description 1
- 235000019381 petroleum wax Nutrition 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920006216 polyvinyl aromatic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007764 slot die coating Methods 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000012178 vegetable wax Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- 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
- C09J157/00—Adhesives based on unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09J157/02—Copolymers of mineral oil hydrocarbons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/58—Adhesives
- A61L15/585—Mixtures of macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
- B32B37/1292—Application of adhesive selectively, e.g. in stripes, in patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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Abstract
Description
(a)約5重量%〜約40重量%のエチレン酢酸ビニル共重合体と、
(b)約30重量%〜約70重量%の粘着付与樹脂と、
(c)約2重量%〜約30重量%の水素化スチレン系ブロック共重合体と、
(d)約2重量%〜約40重量%の液体可塑剤とを含むホットメルト接着剤組成物を提供する。
(1)ASTM方法D−1321に決定されるときに、約0.1〜120硬度値、および、約66℃〜120℃のASTM軟化点を有する低分子量、すなわち、100〜6000g/molポリエチレン、
(2)約130〜170°Fの軟化点を有するパラフィンワックスなどの石油系ワックスおよび約135〜200°Fの軟化点を有する微晶ワックス、後者の軟化点は、ASTM方法D127−60によって決定される。
(3)「Licocene」という名前でClariantにより商業化されたもののようなメタセロン触媒プロピレン系ワックス。
(4)例えば、U.S.Patents 4,914,253、6,319,979、または、WO 97/33921、または、WO 98/03603で説明されているもののようなメタセロン触媒ワックスまたはシングルサイト触媒ワックス。
(5)フィッシャートロプシュワックスなどの一酸化炭素および水素を重合させることによって作製される合成ワックス、
及び、
(6)ポリオレフィンワックス。本明細書で使用するとき、「ポリオレフィンワックス」という用語は、オレフィンモノマー単位で構成された高分子または長鎖構成要素を指す。これらの材料は、商品名「Epolene」でEastman Chemical Co.から市販されている。本発明の組成物中での使用に好適な材料は、200°F(93℃)〜350°F(177℃)の環球式軟化点を有する。
機器による特性評価
システム性能評価
表1に示す混合物の全ては、熱老化中に相分離なく優れた適合性を示した。また、溶融されたときに明確であり、これは、良好な適合性を示す。
表2において、2つの従来技術製品を物理特性とともに示す。H9564は、おしめ構造製品として使用されるオレフィン系ホットメルトである。H20080は、また、使い捨ておしめ構造製品であるが、非水素化スチレン系ブロック共重合体を基本とするものではない。これらの製品のどちらも、EVAを含有していない。共に、Bostik, Incから市販されている。
接着剤剥離性能を判定するために、第1の品質の不織布製の15グラム/平方メートル(15g/m2つまり15GSM)スパンボンド不織布トップシートのサンプル積層体をNordson Signature(商標)スプレーヘッドおよび2インチ幅の接着剤接着性パターンを使用して通気性ポリエチレンに接着した。一定の75°Fおよび50%の相対湿度にて維持される空調を施した部屋で12インチ/分の速度にてInstron引張り試験機によって引き離される前に積層体を24時間自然放置させた。剥離力をグラム単位で測定して、試験開始及び停止からの変動性を低減するために試長の最初及び最後の5パーセントを排除した後に平均剥離強度を判定することによって剥離値を計算した。この試験を2つの異なる付加レベル、2.0グラム/平方メートルおよび4.2グラム/平方メートルで行った。接着剤を149℃(300°F)の温度にて塗布し、風乾時間は、0.12秒であった。従来技術による接着剤ならびに実施例1および3〜5の各々の剥離力を表3に示す。剥離力値は、グラム/インチ幅で示す。
接着剤サンプルのいくつかを耐ブロッキング性について評価した。この試験において、積層体の不織布の層が第2の不織布と直に接触するように、4.2GSMの付加レベルにて準備されるような積層体のサンプルを不織布の別の層に当接させる。これは、おしめがパッケージ内にあるときに起こることと似ている。1平方センチメートルにつき200グラムに等しい重しを構造体に載置して48時間60℃(140°F)にて培養庫に入れる。その後、サンプルを培養庫から取り出して室温に自然冷却させる。2枚の不織布層を分離するために必要とされる平均剥離力を12インチ/分のクロスヘッド速度でInstron引張り試験機を使用して判定する。
典型的なスチレンブロック共重合体系構造製品H20080は、この試験において112グラム/インチ幅のパターンのブロッキング試験値を示した。これは、容認できないほど高い値であり、この値であれば、おしめを開くとたぶん基材の引裂が発生するであろう。この試験については、できるだけ低い剥離力を有することが望ましい。典型的には、50グラム/インチ幅未満のサンプルの力が望まれる。更に好ましくは、25グラム/インチ未満である。H9564は、オレフィン系おしめ構造接着剤であり、境界値である26グラム/インチという値を示した。
ブロッキング力は、不織布の秤量に非常に左右される。秤量が低いほどブロッキング値は高くなるが、布は、接着剤が露出される空き空間が多くなるからである。
第2のより厳しいブロッキング試験を2つの異なる秤量の不織布を使用して行った。不織布の基材は、18GSMおよび10GSMの秤量を有するスパンボンド不織布であった。まず、ポリエチレン/不織布積層体を先述したように準備したが、接着剤付加速度を構造体用途には高いと考えられる7グラム/平方メートルに増大させた。多くのおしめ用途については、10GSM不織布は、かなり低いと考えられるので、7GSM接着剤付加と10のGSM不織布の組み合わせは、非常に難しい組み合わせである。
表1の実施例1および2をこの試験において評価した。実施例1では、18GSM不織布で8グラム/インチ、10GSM不織布で20グラム/インチのブロッキング値が出た。実施例2では、18GSM不織布および10GSM不織布について、それぞれ、8グラム/インチ、15グラム/インチの値が出た。
Claims (31)
- ホットメルト接着剤組成物であって、
以下の成分、すなわち、
約5重量%〜約40重量%のエチレン酢酸ビニル共重合体と、
約30重量%〜約70重量%の粘着付与樹脂と、
約2重量%〜約30重量%の水素化スチレン系ブロック共重合体と、
約2重量%〜約40重量%の液体可塑剤と、
約0重量%〜約5重量%の安定剤との配合
を含み、
前記成分は、合計で100重量%の前記組成物となり、前記組成物の粘度は、325°Fにて約20,000センチポアズ以下である、組成物。 - 前記組成物は、25℃にて、約1×106dyne/cm2を上回る貯蔵弾性率を有する、請求項1に記載の組成物。
- 約10重量%〜約28重量%の前記エチレン酢酸ビニル共重合体を含む、請求項1に記載の組成物。
- 前記エチレン酢酸ビニル共重合体は、約5g/10分を上回るメルトインデックスを有する、請求項1に記載の組成物。
- 約10重量%〜約30重量の前記可塑剤を含む、請求項1に記載の組成物。
- 前記組成物は、325°Fにて、15,000センチポアズ以下の粘度を有する、請求項1に記載の組成物。
- 前記組成物は、325°Fにて、10,000センチポアズ以下の粘度を有する、請求項1に記載の組成物。
- 前記水素化スチレン系ブロック共重合体は、約20重量%〜約35重量%のスチレン含有量を有する、請求項1に記載の組成物。
- 前記水素化スチレン系ブロック共重合体は、約25重量%〜約35重量%のスチレン含有量を有する、請求項1に記載の組成物。
- 前記水素化スチレン系ブロック共重合体は、約30重量%未満のジブロック含有量を有する、請求項1に記載の組成物。
- 前記水素化スチレン系ブロック共重合体は、ジブロック含有量を実質的に有していない、請求項1に記載の組成物。
- 約7重量%〜約20重量%の水素化スチレン系ブロック共重合体を含む、請求項1に記載の組成物。
- 前記粘着付与樹脂は、約90℃以上の軟化点を有する、請求項1に記載の組成物。
- 前記粘着付与樹脂は、約95℃〜約140℃の軟化点を有する、請求項1に記載の組成物。
- 前記粘着付与樹脂は、約95℃〜約130℃の軟化点を有する、請求項1に記載の組成物。
- 約40重量%〜約65重量%の前記粘着付与樹脂を有する、請求項1に記載の組成物。
- 約45重量%〜約60重量%の前記粘着付与樹脂を有する、請求項1に記載の組成物。
- 前記エチレン酢酸ビニル共重合体の前記酢酸ビニル含有量は、約8重量%〜約28重量%である、請求項1に記載の組成物。
- 前記エチレン酢酸ビニル共重合体の前記酢酸ビニル含有量は、約8重量%〜約18重量%である、請求項1に記載の組成物。
- 前記液体可塑剤は、鉱油および液体ポリブチレンから成る群から選択される、請求項1に記載の組成物。
- 約石油系ワックス、微晶ワックス、低分子量ポリエチレン、低分子量ポリプロピレン、合成ワックスおよびポリオレフィンワックスから成る群から選択された最大10重量%までワックスを更に含む、請求項1に記載の組成物。
- 請求項1に記載の接着剤組成物でともに接合された不織材の第1の層と、不織材の第2の層とを備える積層体。
- 請求項1に記載の接着剤組成物でともに接合された不織材の第1の層と、フィルム材料の第2の層とを備える積層体。
- 前記フィルムは、ポリエチレンフィルム、ポリプロピレンフィルム、エチレン―プロピレン共重合体フィルム、または、布のような被覆フィルム材料を含む、請求項23に記載の積層体。
- 請求項1に記載の接着剤組成物を含む物品。
- 使い捨ておしめ、生理用ナプキン、ベットパッド、救急絆、外科的ドレープ、テープ、ラベル、プラスチックシート、不織布シート、紙シート、厚紙、本、フィルタ、または、パッケージを備える、請求項25に記載の物品。
- 積層体を作製する方法であって、
第1の方向に第1の基材を供給するステップと、
前記第1の方向に前記第1の基材から離間された第2の基材を供給するステップと、
前記基材の一方又は両方に請求項1に記載の接着剤組成物を塗布するステップと、
前記積層体を形成するために共に前記基材を圧縮するステップと、
を含む、方法。 - 前記第1又は第2の基材は、ポリエチレンフィルム、ポリプロピレンフィルム、エチレン−プロピレン共重合体フィルム、布のような被覆フィルム材料、または、不織材を含む、請求項27に記載の方法。
- 前記第1及び第2の基材の少なくとも1つは、エラストマである、請求項27に記載の方法。
- 前記接着剤は、繊維の形で連続的にまたは間欠的に塗布される、請求項27に記載の方法。
- 前記接着剤は、ビーズ、ドット、またはフィルムの形で連続的にまたは間欠的に塗布される、請求項27に記載の方法。
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US61/957,778 | 2013-07-11 | ||
PCT/US2014/046283 WO2015006648A1 (en) | 2013-07-11 | 2014-07-11 | Hot melt adhesive containing a hydrogenated styrenic block copolymer and an ethylene vinyl acetate copolymer exhibiting low blocking force |
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