WO2014115632A1 - Adhesive cleaner for removal of organic dirt - Google Patents
Adhesive cleaner for removal of organic dirt Download PDFInfo
- Publication number
- WO2014115632A1 WO2014115632A1 PCT/JP2014/050662 JP2014050662W WO2014115632A1 WO 2014115632 A1 WO2014115632 A1 WO 2014115632A1 JP 2014050662 W JP2014050662 W JP 2014050662W WO 2014115632 A1 WO2014115632 A1 WO 2014115632A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure
- dirt
- sensitive adhesive
- acrylate
- adhesive
- Prior art date
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- 125000001204 arachidyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 description 1
- 238000012662 bulk polymerization Methods 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
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000012986 chain transfer agent Substances 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- HPXRVTGHNJAIIH-UHFFFAOYSA-N cyclohexanol Chemical compound OC1CCCCC1 HPXRVTGHNJAIIH-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- GTBGXKPAKVYEKJ-UHFFFAOYSA-N decyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCOC(=O)C(C)=C GTBGXKPAKVYEKJ-UHFFFAOYSA-N 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- FWLDHHJLVGRRHD-UHFFFAOYSA-N decyl prop-2-enoate Chemical compound CCCCCCCCCCOC(=O)C=C FWLDHHJLVGRRHD-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- GMSCBRSQMRDRCD-UHFFFAOYSA-N dodecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCOC(=O)C(C)=C GMSCBRSQMRDRCD-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 description 1
- 125000005448 ethoxyethyl group Chemical group [H]C([H])([H])C([H])([H])OC([H])([H])C([H])([H])* 0.000 description 1
- ZWEDFBKLJILTMC-UHFFFAOYSA-N ethyl 4,4,4-trifluoro-3-hydroxybutanoate Chemical compound CCOC(=O)CC(O)C(F)(F)F ZWEDFBKLJILTMC-UHFFFAOYSA-N 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
- 239000002657 fibrous material Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011086 glassine Substances 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- LNCPIMCVTKXXOY-UHFFFAOYSA-N hexyl 2-methylprop-2-enoate Chemical compound CCCCCCOC(=O)C(C)=C LNCPIMCVTKXXOY-UHFFFAOYSA-N 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- LNMQRPPRQDGUDR-UHFFFAOYSA-N hexyl prop-2-enoate Chemical compound CCCCCCOC(=O)C=C LNMQRPPRQDGUDR-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229940035429 isobutyl alcohol Drugs 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 1
- 229940011051 isopropyl acetate Drugs 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- DOULWWSSZVEPIN-UHFFFAOYSA-N isoproturon-monodemethyl Chemical compound CNC(=O)NC1=CC=C(C(C)C)C=C1 DOULWWSSZVEPIN-UHFFFAOYSA-N 0.000 description 1
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 125000002960 margaryl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 125000005641 methacryl group Chemical group 0.000 description 1
- 125000004184 methoxymethyl group Chemical group [H]C([H])([H])OC([H])([H])* 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 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
- 125000001196 nonadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- LKEDKQWWISEKSW-UHFFFAOYSA-N nonyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCOC(=O)C(C)=C LKEDKQWWISEKSW-UHFFFAOYSA-N 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- MDYPDLBFDATSCF-UHFFFAOYSA-N nonyl prop-2-enoate Chemical compound CCCCCCCCCOC(=O)C=C MDYPDLBFDATSCF-UHFFFAOYSA-N 0.000 description 1
- HMZGPNHSPWNGEP-UHFFFAOYSA-N octadecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)=C HMZGPNHSPWNGEP-UHFFFAOYSA-N 0.000 description 1
- NZIDBRBFGPQCRY-UHFFFAOYSA-N octyl 2-methylprop-2-enoate Chemical compound CCCCCCCCOC(=O)C(C)=C NZIDBRBFGPQCRY-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- ANISOHQJBAQUQP-UHFFFAOYSA-N octyl prop-2-enoate Chemical compound CCCCCCCCOC(=O)C=C ANISOHQJBAQUQP-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- GYDSPAVLTMAXHT-UHFFFAOYSA-N pentyl 2-methylprop-2-enoate Chemical compound CCCCCOC(=O)C(C)=C GYDSPAVLTMAXHT-UHFFFAOYSA-N 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- ULDDEWDFUNBUCM-UHFFFAOYSA-N pentyl prop-2-enoate Chemical compound CCCCCOC(=O)C=C ULDDEWDFUNBUCM-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- BOQSSGDQNWEFSX-UHFFFAOYSA-N propan-2-yl 2-methylprop-2-enoate Chemical compound CC(C)OC(=O)C(C)=C BOQSSGDQNWEFSX-UHFFFAOYSA-N 0.000 description 1
- LYBIZMNPXTXVMV-UHFFFAOYSA-N propan-2-yl prop-2-enoate Chemical compound CC(C)OC(=O)C=C LYBIZMNPXTXVMV-UHFFFAOYSA-N 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-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
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 150000003330 sebacic acids 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
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- PPASLZSBLFJQEF-RKJRWTFHSA-M sodium ascorbate Substances [Na+].OC[C@@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RKJRWTFHSA-M 0.000 description 1
- 235000010378 sodium ascorbate Nutrition 0.000 description 1
- 229960005055 sodium ascorbate Drugs 0.000 description 1
- PPASLZSBLFJQEF-RXSVEWSESA-M sodium-L-ascorbate Chemical compound [Na+].OC[C@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RXSVEWSESA-M 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- SJMYWORNLPSJQO-UHFFFAOYSA-N tert-butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)(C)C SJMYWORNLPSJQO-UHFFFAOYSA-N 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
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 229940087291 tridecyl alcohol Drugs 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Images
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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L25/00—Domestic cleaning devices not provided for in other groups of this subclass
- A47L25/005—Domestic cleaning devices not provided for in other groups of this subclass using adhesive or tacky surfaces to remove dirt, e.g. lint removers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0028—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by adhesive surfaces
-
- 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]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
-
- 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
- C09J2301/312—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 parameters being the characterizing feature
Definitions
- the present invention relates to an adhesive cleaner used for removing organic dirt. More specifically, the present invention relates to an adhesive cleaner used to remove sebum and other organic dirt from a flat surface (for example, a touch panel display / input surface) of a portable device such as a tablet information terminal or a smartphone.
- a flat surface for example, a touch panel display / input surface
- a portable device such as a tablet information terminal or a smartphone.
- Typical for portable devices such as portable PCs such as notebook computers (PCs), tablet information terminals such as electronic books, mobile phones such as smartphones, portable game machines, and portable terminals such as various PDAs (personal digital assistants).
- a display unit (display) made of a liquid crystal panel or an organic EL panel is provided on a flat surface. Since such portable devices are used by carrying them on a daily basis, organic dirt such as dust, dirt, cosmetics and sebum tends to adhere to them.
- touch-panel portable devices which have become very popular in recent years, are operated by the user touching the display unit / input unit, which also functions as the input unit, with their fingertips. Easy to adhere.
- not only those portable devices but also show window glasses, glass tables, showcases and the like have a flat surface, and when the organic dirt adheres to the surface, the appearance deteriorates and is unsightly.
- the present invention was created in order to solve the above-described conventional problems, and the purpose thereof is to easily remove organic dirt adhering to the surface of an article having a flat surface.
- the object is to provide an adhesive cleaner with improved workability.
- an adhesive cleaner used for removing organic dirt adhering to the surface of an article having a flat surface.
- the adhesive cleaner includes a dirt catching unit that catches the organic dirt by contacting the flat surface.
- the part which contacts the said surface is comprised with the adhesive.
- acquisition part shows the adhesive force of less than 1 N / 25mm by the measured value based on the 180 degree peeling test prescribed
- an organic dirt adhering to the surface for example, human hand dirt or sebum dirt, or Cosmetics
- an organic dirt adhering to the surface can be captured and easily removed from the surface.
- acquisition part shows the adhesive force of less than 1 N / 25mm by the measured value based on the 180 degree peeling test prescribed
- the dirt catcher has excellent light release properties. Accordingly, when the cleaner is operated on the flat surface of the article (for example, when moving on the surface or when the cleaner is separated from the surface), almost no force is required, so that the dirt removal workability is excellent. .
- the above-mentioned light peelability does not remove the protective film (in other words, The surface can be cleaned while the protective film covers the surface of the article). And although it is such light peelability, an organic stain
- the organic soil may contain inorganic substances such as sodium, potassium, and salts thereof, as is apparent from the fact that sebum secreted from the skin is contained as described above.
- the portion of the dirt trapping portion that contacts the surface is 0.01 to 0.5 N / 25 mm as measured based on a 180 ° peel test specified in JIS Z0237. Indicates adhesive strength.
- Such a light-peeling cleaner can realize more excellent dirt removal workability while sufficiently removing organic dirt.
- a cylindrical rolling member is provided, and the dirt catching portion is disposed on the outer peripheral surface of the rolling member.
- the dirt catching portion located on the outer circumferential surface efficiently removes organic dirt adhering to the flat surface by rolling the rolling member along the circumferential direction of the cylinder. be able to. Further, since the dirt trapping part is lightly peelable, there is little peeling resistance at the time of rolling, and the dirt removal workability is excellent.
- the adhesive cleaner further includes a gripping member that supports the rolling member in a freely rolling manner.
- a gripping member that supports the rolling member in a freely rolling manner.
- the dirt capturing unit is configured as a single-sided pressure-sensitive adhesive sheet including a sheet-like support base material and a pressure-sensitive adhesive layer disposed on the support base material,
- the single-sided pressure-sensitive adhesive sheet is configured as a pressure-sensitive adhesive sheet roll by being wound with the pressure-sensitive adhesive layer outside.
- the adhesive cleaner having such a configuration, it is possible to remove dirt on a flat surface using the outer peripheral surface of the adhesive sheet roll.
- the outer periphery An unused pressure-sensitive adhesive layer can be exposed on the surface. That is, the exposure of the unused pressure-sensitive adhesive layer to the outer surface can be easily updated. For this reason, desired dirt removal performance can always be maintained.
- the pressure-sensitive adhesive sheet roll disclosed herein is configured to suppress the rail pulling phenomenon.
- the rail pulling phenomenon is a direction opposite to the direction in which the sheet roll is wound on the surface to be cleaned (flat surface of the article) (typically, the wound single-sided adhesive sheet is peeled off).
- the sheet is rolled (rotated) in the direction
- the sheet adheres to the surface to be cleaned in the form of a belt starting from the end of the outer peripheral surface of the roll.
- the roll can be smoothly rolled without stress on the flat surface, which is easy to use.
- wasteful use of the pressure-sensitive adhesive sheet due to the occurrence of the rail pulling phenomenon that is, waste of the sheet due to unintentional adhesion of the pressure-sensitive adhesive sheet to the surface
- wasteful use of the pressure-sensitive adhesive sheet due to the occurrence of the rail pulling phenomenon that is, waste of the sheet due to unintentional adhesion of the pressure-sensitive adhesive sheet to the surface
- the pressure-sensitive adhesive layer contains an acrylic polymer in a proportion of 50% by mass or more.
- an acrylic polymer is preferably a crosslinked acrylic polymer. This further improves light peelability.
- the acrylic polymer is preferably a thermoplastic acrylic polymer. Thereby, formation of an adhesive layer becomes easy.
- the pressure-sensitive adhesive layer preferably further contains a plasticizer.
- a plasticizer By including a plasticizer, peeling can be lightened, and dirt removal workability can be further improved.
- dirt trapping ability is reduced as a result of use, there is an effect that the dirt catching ability is recovered within a relatively short time (for example, several minutes or several hours) (dirt catching ability recovery action). It is suitably exhibited.
- a preferred embodiment of the adhesive cleaner disclosed herein is used for removing human sebum soil as the organic soil.
- the removal of human sebum soil effectively despite the fact that the adhesive cleaner having the predetermined configuration disclosed herein is lightly peelable is a matter that has been realized for the first time by the study of the present inventors.
- the above-mentioned adhesive cleaner is particularly suitable for use in removing human sebum dirt.
- the article is a portable device having a display surface made of glass or synthetic resin on the flat surface. Since the portable device is used by being carried on a daily basis, dust and organic dirt such as hand dirt, cosmetics, and sebum are likely to adhere to the portable device.
- portable devices with a touch panel display surface are operated by directly touching the display / input unit with a finger, so organic stains such as dirt, cosmetics, and sebum stains are more adhered. It's easy to do.
- the adhesive cleaner disclosed herein is particularly preferably used for removing dirt from a portable device having the display surface as described above (for example, a touch panel type display surface), because such organic dirt can be easily removed.
- an adhesive type cleaner has been used conventionally (see, for example, Patent Document 2 above)
- a conventional roll-shaped cleaner is used for cleaning floors and carpets. It does not clean the flat surface (for example, a touch panel surface display / input unit) of a type information terminal or a smartphone.
- the adhesive cleaner disclosed here is different from the conventional adhesive cleaner used for cleaning floors and carpets, and is used to remove organic contaminants adhering to the flat surface of an article such as a portable device.
- the article to be used for the adhesive cleaner disclosed herein is not particularly limited as long as it has a flat surface. For example, a show window glass, a glass table, a showcase, etc. are mentioned. Organic stains adhering to the flat surfaces they typically have (typically transparent glass surfaces) are unsightly and should be removed as soon as they are found. Therefore, it can be a preferred target for use of the adhesive cleaner disclosed herein.
- the portable device refers to a portable device having a flat surface on at least a part of the outer surface, and is not limited to a specific device.
- portable devices such as notebook PCs, tablet information terminals such as electronic books, smartphones and other mobile phones, portable game machines, and PDAs (personal digital assistants) such as electronic notebooks. Since these are carried and used on a daily basis, dust and organic dirt such as hand dirt, cosmetics and sebum are likely to adhere to them.
- Some of these portable devices have a display surface such as a liquid crystal display or an organic EL display on a flat surface (typically a surface made of glass or synthetic resin).
- a portable device having such a display surface can be a preferred target for use of the adhesive cleaner disclosed herein.
- portable devices having a touch panel type display / input unit are more likely to adhere to the above-mentioned organic stains because the user directly touches the display surface with a finger. Therefore, it can be a preferred target for use of the adhesive cleaner disclosed herein.
- the adhesive cleaner since the display surface of a tablet information terminal such as an electronic book is relatively large, it is grasped as a particularly preferable target for use of the adhesive cleaner.
- an adhesive cleaner (hereinafter also simply referred to as “cleaner”) 10 includes a cylindrical holding member (core) 20, and an adhesive sheet roll 30 held on the outer peripheral surface of the holding member 20. Is provided.
- the holding member 20 and the pressure-sensitive adhesive sheet roll 30 are integrally formed as a cylindrical rolling member.
- the material of the holding member is not particularly limited, and those made of polyolefin or other synthetic resin or paper can be preferably used.
- the cleaner 10 further includes a rod-shaped gripping member 40 that supports the holding member 20 in a rollable manner. Specifically, a central hole (not shown) is formed in the holding member 20 at a position that becomes the central axis of the cylinder, and an end (one end) of the gripping member 40 is inserted into the central hole. Thus, the holding member 20 is attached to the gripping member 40 so as to be rotatable. A handle 42 is attached to the other end of the gripping member 40.
- the material of the grip member and the handle is not particularly limited, and for example, a metal or synthetic resin can be used.
- the pressure-sensitive adhesive sheet roll 30 of the cleaner 10 is formed by winding a pressure-sensitive adhesive sheet 31 serving as a dirt capturing portion.
- the adhesive sheet (dirt capturing portion) 31 is a long sheet-shaped (band-shaped) support base material 36 and an adhesive disposed on one surface 36 ⁇ / b> A of the support base material 36.
- a single-sided pressure-sensitive adhesive sheet 31 including the agent layer 32 is configured.
- the single-sided pressure-sensitive adhesive sheet 31 is formed as a pressure-sensitive adhesive sheet roll 30 by being wound so that the pressure-sensitive adhesive layer 32 is on the outside.
- the cleaner 10 is used to remove organic contaminants attached to the display unit 2 of the portable device 1.
- the display unit 2 of the portable device 1 has a flat surface.
- the operator places the cleaner 10 on the display unit 2 of the portable device 1, grips the handle 42, and applies a predetermined external force to the cleaner 10. Then, the external force is transmitted from the gripping member 40 to the holding member 20, and the pressure-sensitive adhesive layer 32 of the pressure-sensitive adhesive sheet roll 30 disposed on the outer peripheral surface of the holding member 20 (the portion in contact with the flat surface of the dirt capturing portion) is rolled. It moves on the display unit 2 while moving. In FIG. 4, the adhesive sheet roll 30 moves in the arrow direction on the display unit 2.
- the pressure-sensitive adhesive layer 32 captures dust and dirt present in the display unit 2, and particularly organic dirt such as human hand dirt and sebum. As a result, cleaning (dirt removal) of the display unit 2 is easily and reliably performed along the rolling direction of the adhesive sheet roll 30 (more specifically, the adhesive sheet (dirt capturing unit) 31).
- the portable apparatus in this embodiment is a tablet-type information terminal in which the whole display part is comprised with flat tempered glass, such as aluminosilicate glass, it is as above-mentioned that it is not limited to this.
- the size of the cylindrical pressure-sensitive adhesive sheet roll is not particularly limited, but when the target of use is a portable device such as a tablet-type information terminal, the diameter (which means a diameter (outer diameter) when not in use; the same applies hereinafter) is 4 mm or more. (For example, 10 mm or more, typically 20 mm or more) is preferable. Further, from the viewpoint of operability and portability, the diameter is preferably 50 mm or less (for example, 35 mm or less, typically 30 mm or less).
- the pressure-sensitive adhesive sheet roll it is preferable that the pressure-sensitive adhesive sheet is provided with a cut line (not shown) for approximately one circumference.
- This cut is a cutting means for efficiently renewing the pressure-sensitive adhesive layer surface (outer surface of the dirt catching portion) whose cleaning (dirt removal) performance has deteriorated after using the cleaner several times.
- it may be a long hole or corrugated slit arranged, an intermittent slit such as a perforation.
- the cut is preferably provided so as to cross the pressure-sensitive adhesive sheet in the width direction (direction perpendicular to the longitudinal direction).
- the update of the outer peripheral surface of the dirt capturing unit is not limited to the cutting means.
- intermittent slits such as perforations are formed in a spiral shape in a direction intersecting the sheet winding direction of the adhesive sheet roll (typically, a direction intersecting at an angle of 30 to 60 ° with respect to the width direction). You may keep it.
- slits continuous cuts
- the pressure-sensitive adhesive sheet constituting the pressure-sensitive adhesive sheet roll is completely cut at predetermined intervals in the roll winding direction in advance, so that the outer surface of the pressure-sensitive adhesive sheet roll can be easily peeled off at each predetermined interval. The outer surface can be updated.
- the cleaner 10 can be produced by appropriately adopting a conventionally known method.
- the pressure-sensitive adhesive sheet roll 30 of the cleaner 10 can be produced by the same method as that of a conventional roll-shaped cleaner. That is, the pressure-sensitive adhesive layer 32 is formed by applying a pressure-sensitive adhesive composition onto the surface 36A of the long sheet-like support base 36 by various conventionally known coating means and then performing a drying process or the like. And the roll-shaped adhesive sheet roll 30 is formed by winding the adhesive sheet 31 around the holding member 20 so that the adhesive layer 32 may become an outer peripheral surface. Furthermore, the cleaner 10 is constructed by attaching the end of the gripping member 40 to the holding member 20 so as to be able to roll. The attachment structure of the gripping member 40 to the holding member 20 itself may be the same as that of a conventional roll-shaped cleaner, and does not characterize the present invention, so that detailed description is omitted.
- the adhesive cleaner is not limited to the one in the above embodiment.
- the adhesive cleaner may be composed of, for example, only a dirt catcher.
- a cleaner composed only of a dirt trapping part such as a spherical shape, a columnar shape, a cylindrical shape, a hexahedral shape (for example, a rectangular parallelepiped shape), a sheet shape, and the like can be mentioned.
- the dirt capturing part is composed of the support base material and the pressure-sensitive adhesive layer, but is not limited to this.
- the dirt capturing part may be formed only from an adhesive (baseless adhesive).
- the shape of the support base is not particularly limited.
- the dirt trapping part may be one in which an adhesive layer is formed on the outer surface of a spherical support substrate.
- the holding member supported the holding member so that rolling was possible, it is not limited to this.
- the gripping member may be directly or indirectly connected (coupled or detachably connected) to the dirt capturing unit.
- an adhesive cleaner for example, a stick-shaped gripping member having a columnar or rectangular parallelepiped-shaped adhesive body fixed to one end thereof can be mentioned.
- the gripping member may have a flat portion, and the dirt catching portion may be fixed to one surface of the flat portion.
- the dirt capturing part for example, an adhesive sheet
- the dirt capturing part has a portion (for example, an adhesive surface) in contact with a flat surface of an article having a measured value based on a 180 ° peel test specified in JIS Z0237 of less than 1 N / 25 mm. It is characterized by exhibiting adhesive strength. This means that the dirt trapping part has excellent light peelability.
- a cleaner having such a light-peelable dirt catching portion is excellent in dirt removal workability because it requires little force when performing dirt removal work on the surface. More specifically, there is an advantage that the cleaner can be moved more smoothly on the flat surface of the article, and that the cleaner can be easily separated from the surface after removing dirt, for example.
- the surface of the article for example, the display surface of a tablet-type information terminal
- a peelable protective film for example, a protective film made of a synthetic resin such as silicone or polyester
- the surface can be cleaned without removing the protective film (in other words, while the protective film covers the surface of the article).
- the object to be cleaned is the surface of the protective film, but such a surface is also included in the flat surface of the article.
- the adhesive strength is preferably 0.8 N / 25 mm or less (for example, 0.6 N / 25 mm or less, typically 0.5 N / 25 mm or less) from the viewpoint of soil removal workability, and 0.57 N / 25 mm or less.
- the adhesive strength is preferably 0.001 N / 25 mm or more (for example, 0.01 N / 25 mm or more, typically 0.02 N / 25 mm or more), and 0.03 N / 25 mm or more. (For example, 0.05 N / 25 mm or more, typically 0.08 N / 25 mm or more) is more preferable.
- a test piece is prepared by cutting a dirt catching portion (typically, an adhesive sheet) into a rectangular sheet.
- the test piece is preferably about 100 to 200 mm in length, and preferably about 15 to 30 mm in width. When the width is not 25 mm, [N / 25 mm] may be calculated (converted) from the ratio of the actual width to 25 mm.
- the thickness is not particularly limited.
- the adhesive surface (for example, the adhesive layer side surface) of the obtained test piece is attached to a stainless steel (SUS304) plate by reciprocating a 2 kg roller.
- the test piece has adhesiveness on both sides, such as a double-sided pressure-sensitive adhesive sheet
- a polyethylene terephthalate (PET) film having a thickness of about 25 ⁇ m with respect to the surface opposite to the measurement surface.
- PET polyethylene terephthalate
- the tensile tester is not particularly limited, and a conventionally known tensile tester can be used. For example, it can be measured using “Tensilon” manufactured by Shimadzu Corporation.
- the dirt capturing portion (for example, an adhesive sheet) disclosed herein is in contact with the flat surface of the article instead of the SUS180 ° peel adhesive force or in addition to the SUS180 ° peel adhesive force. It may be characterized in that the adhesive strength of the portion (for example, the adhesive surface) to be peeled off by 180 ° with respect to the glass plate is less than 1 N / 25 mm. A cleaner having such a lightly peelable dirt catching portion is excellent in dirt removal workability.
- the adhesive strength is preferably 0.9 N / 25 mm or less (for example, 0.85 N / 25 mm or less, typically 0.5 N / 25 mm or less) from the viewpoint of dirt removal workability, and 0.57 N / 25 mm or less.
- the adhesive strength is preferably 0.001 N / 25 mm or more (for example, 0.01 N / 25 mm or more, typically 0.02 N / 25 mm or more), and 0.03 N / 25 mm or more. (For example, 0.05 N / 25 mm or more, typically 0.06 N / 25 mm or more) is more preferable.
- the 180 ° peel adhesion to the glass plate was measured except that a glass plate (for example, commercially available float plate glass) was used as the adherend. The measurement may be performed in the same manner as described above.
- the dirt trapping portion (for example, an adhesive sheet) disclosed herein is in contact with the flat surface of the article instead of the SUS180 ° peel adhesive force or in addition to the SUS180 ° peel adhesive force. It may be characterized in that the 180 ° peel adhesion to the polyethylene terephthalate (PET) film at the part (eg adhesive surface) is less than 1 N / 25 mm.
- PET polyethylene terephthalate
- a cleaner having such a lightly peelable dirt catching portion is excellent in dirt removal workability.
- the adhesive strength is preferably 0.9 N / 25 mm or less (for example, 0.8 N / 25 mm or less, typically 0.6 N / 25 mm or less) from the viewpoint of dirt removal workability, and 0.5 N / 25 mm or less.
- the said adhesive force is 0.001 N / 25mm or more (for example, 0.01 N / 25mm or more, typically 0.02 N / 25mm or more) from a viewpoint of dirt trappability.
- the 180 ° peel adhesion to the PET film may be measured in the same manner as the measurement of the SUS 180 ° peel adhesion except that a PET film is used as the adherend. .
- the pressure-sensitive adhesive sheet roll When the pressure-sensitive adhesive cleaner disclosed herein has a pressure-sensitive adhesive sheet roll, the pressure-sensitive adhesive sheet roll generates a rail pulling phenomenon on a flat surface of the article (for example, a surface made of glass such as aluminosilicate glass or synthetic resin). It is preferable that the adhesive force (for example, a measured value based on the 180 ° peel test) and the rewind force are harmonized so as to be suppressed.
- the rewinding force is also grasped as a force required to pull out the pressure-sensitive adhesive sheet from the pressure-sensitive adhesive sheet roll (that is, resistance to rewinding, pressure-sensitive adhesive force to the back surface of the pressure-sensitive adhesive sheet (typically the back surface of the supporting substrate)).
- the unwinding force when the unwinding force is set too low compared to the adhesive force, the unwinding force is reduced between the adhesive sheet (typically the adhesive layer) and the surface when the adhesive sheet roll is rolled on a flat surface. There is a risk of causing a rail pulling phenomenon by losing the adhesive force between them. On the other hand, when the rewinding force is too high, the pressure-sensitive adhesive sheet tends not to be pulled out smoothly.
- Rewind force can be evaluated as follows. That is, the pressure-sensitive adhesive sheet roll is set in a predetermined tensile testing machine, and the outer peripheral side tip of the wound pressure-sensitive adhesive sheet is attached to the chuck of the testing machine in an environment of a temperature of 23 ° C. and RH of 50%. The pressure-sensitive adhesive sheet roll is rewound in the tangential direction by pulling on the sheet, and the unwinding force at this time is obtained by converting the value (N / 150 mm) per width (for example, 150 mm) of the pressure-sensitive adhesive layer of the pressure-sensitive adhesive sheet. Can do. For example, a rewinding force of about 0.5 to 2.5 N / 150 mm is preferable.
- the pressure-sensitive adhesive (for example, pressure-sensitive adhesive layer) constituting the dirt trapping portion (for example, pressure-sensitive adhesive sheet) is not particularly limited as long as it satisfies the above-mentioned SUS peeling pressure-sensitive adhesive force.
- it can be a water-based pressure-sensitive adhesive composition, a water-based pressure-sensitive adhesive composition such as a water-dispersed pressure-sensitive adhesive composition, or a pressure-sensitive adhesive formed from a pressure-sensitive adhesive composition such as a solvent-type pressure-sensitive adhesive composition.
- a solventless pressure-sensitive adhesive formed from an active energy ray-curable pressure-sensitive adhesive composition or a hot-melt pressure-sensitive adhesive composition can also be preferably used.
- a solvent-based pressure-sensitive adhesive or a solventless pressure-sensitive adhesive is preferable, and a hot-melt pressure-sensitive adhesive is preferable from the viewpoint of handleability.
- the pressure-sensitive adhesive examples include acrylic pressure-sensitive adhesives, rubber-based pressure-sensitive adhesives (for example, natural rubber-based pressure-sensitive adhesives), urethane-based pressure-sensitive adhesives, and silicone-based pressure-sensitive adhesives. From the viewpoint of adhesive performance and cost, rubber adhesives or acrylic adhesives can be preferably employed.
- the adhesive is an acrylic adhesive containing an acrylic polymer as a base polymer (main component of the polymer component, main adhesive component). It is preferable.
- the acrylic polymer can be synthesized from a monomer raw material containing an alkyl (meth) acrylate having an alkyl group as a main monomer.
- the main monomer refers to a monomer component occupying 50% by mass or more of the total monomer components.
- (meth) acrylate” means acrylate and methacrylate comprehensively.
- (meth) acryloyl” means acryloyl and methacryloyl
- (meth) acryl” generically means acrylic and methacryl.
- R 1 in the above formula is a hydrogen atom or a methyl group.
- R 2 is an alkyl group having 1 to 20 carbon atoms (hereinafter, such a range of the number of carbon atoms may be represented as “C 1-20 ”).
- an alkyl (meth) acrylate having a C 1-14 (for example, C 1-10 ) alkyl group is preferable.
- the alkyl group may be linear or branched.
- alkyl (meth) acrylate having a C 1-20 alkyl group examples include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, isopropyl (meth) acrylate, and n-butyl (meth).
- alkyl (meth) acrylates can be used alone or in combination of two or more. Of these, alkyl (meth) acrylates having a C 4-9 alkyl group are preferred. Preferred examples include n-butyl acrylate (BA), 2-ethylhexyl acrylate (2EHA), and isononyl acrylate. Among these, BA and 2EHA are more preferable, and 2EHA is particularly preferable.
- the blending ratio of the main monomer in all monomer components is preferably 60% by mass or more, more preferably 80% by mass or more, and further preferably 90% by mass or more.
- the upper limit of the mixing ratio of the main monomer is not particularly limited, but is preferably 99% by mass or less (for example, 98% by mass or less, typically 95% by mass or less).
- the acrylic polymer may be obtained by polymerizing only the main monomer.
- the monomer raw material used for polymerizing the acrylic polymer may contain a submonomer copolymerizable with the main monomer in addition to the main monomer for the purpose of improving various properties such as light release properties.
- the said submonomer shall contain not only a monomer but an oligomer. Examples of such a submonomer include a monomer having a functional group (hereinafter also referred to as a functional group-containing monomer).
- the functional group-containing monomer can be added for the purpose of introducing a crosslinking point into the acrylic polymer and increasing the cohesive strength of the acrylic polymer.
- Such functional group-containing monomers include carboxyl group-containing monomers, acid anhydride group-containing monomers, hydroxyl group (hydroxyl group) -containing monomers, amide group-containing monomers, amino group-containing monomers, epoxy group (glycidyl group) -containing monomers, alkoxy And group-containing monomers and alkoxysilyl group-containing monomers. These can be used alone or in combination of two or more. Among them, a functional group-containing monomer such as a carboxyl group, a hydroxyl group, or an epoxy group is preferable because a crosslinking point can be suitably introduced into the acrylic polymer and the cohesive force of the acrylic polymer can be further increased. More preferred are carboxyl group-containing monomers or hydroxyl group-containing monomers.
- carboxyl group-containing monomer examples include ethylenically unsaturated monocarboxylic acids such as acrylic acid, methacrylic acid, crotonic acid, carboxyethyl (meth) acrylate, and carboxypentyl (meth) acrylate, itaconic acid, maleic acid, fumaric acid, and citracone.
- ethylenically unsaturated dicarboxylic acids such as acids. Of these, acrylic acid and / or methacrylic acid are preferable, and acrylic acid is particularly preferable.
- Examples of the acid anhydride group-containing monomer include acid anhydrides such as the above ethylenically unsaturated dicarboxylic acids such as maleic anhydride and itaconic anhydride.
- Examples of the hydroxyl group (hydroxyl group) -containing monomer include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 4-hydroxy Unsaturated alcohols such as hydroxyalkyl (meth) acrylates such as butyl (meth) acrylate, N-methylol (meth) acrylamide, vinyl alcohol, allyl alcohol, 2-hydroxyethyl vinyl ether, 4-hydroxybutyl vinyl ether, diethylene glycol monovinyl ether Etc.
- Examples of amide group-containing monomers include (meth) acrylamide, N, N-dimethyl (meth) acrylamide, N-butyl (meth) acrylamide, N-methylol (meth) acrylamide, N-methylolpropane (meth) acrylamide, N- Examples include methoxymethyl (meth) acrylamide and N-butoxymethyl (meth) acrylamide.
- Examples of the amino group-containing monomer include aminoethyl (meth) acrylate, N, N-dimethylaminoethyl (meth) acrylate, t-butylaminoethyl (meth) acrylate, and the like.
- Examples of the epoxy group (glycidyl group) -containing monomer include glycidyl (meth) acrylate, methyl glycidyl (meth) acrylate, and allyl glycidyl ether.
- Examples of the alkoxy group-containing monomer include methoxyethyl (meth) acrylate and ethoxyethyl (meth) acrylate.
- Examples of the alkoxysilyl group-containing monomer include 3- (meth) acryloxypropyltrimethoxysilane, 3- (meth) acryloxypropyltriethoxysilane, 3- (meth) acryloxypropylmethyldimethoxysilane, and 3- (meth). Examples include acryloxypropylmethyldiethoxysilane.
- the functional group-containing monomer preferably a carboxyl group-containing monomer
- the functional group-containing monomer is 1 to 10 mass in all monomer components for polymerizing the acrylic polymer. % (For example, 2 to 8% by mass, typically 3 to 7% by mass).
- a monomer other than the functional group-containing monomer may be included for the purpose of increasing the cohesive strength of the acrylic polymer.
- examples of such monomers include vinyl ester monomers such as vinyl acetate and vinyl propionate; aromatic vinyl compounds such as styrene, substituted styrene ( ⁇ -methylstyrene and the like), vinyl toluene, and the like.
- the method for polymerizing the monomer or a mixture thereof is not particularly limited, and a conventionally known general polymerization method can be employed. Examples of such a polymerization method include solution polymerization, emulsion polymerization, bulk polymerization, and suspension polymerization. Of these, solution polymerization is preferred.
- the mode of polymerization is not particularly limited, and a conventionally known monomer supply method, polymerization conditions (temperature, time, pressure, etc.), and use components other than the monomer (polymerization initiator, surfactant, etc.) can be appropriately selected and carried out. it can.
- the entire monomer mixture may be supplied to the reaction vessel at a time (collective supply), or may be gradually dropped and supplied (continuous supply), or divided into several times for a predetermined time. Each quantity may be supplied (divided supply) every time.
- the monomer or a mixture thereof may be partially or entirely supplied as a solution dissolved in a solvent or a dispersion emulsified in water.
- the polymerization initiator is not particularly limited.
- azo initiator such as 2,2′-azobisisobutyronitrile
- peroxide initiator such as benzoyl peroxide, phenyl substituted ethane, etc.
- substituted ethane-based initiators include substituted ethane-based initiators, redox-based initiators in which peroxides such as a combination of peroxide and sodium ascorbate and a reducing agent are combined.
- the amount of the polymerization initiator used can be appropriately selected according to the type of polymerization initiator, the type of monomer (composition of the monomer mixture), etc. Usually, for example, 0.005 to 1 with respect to 100 parts by mass of all monomer components It is appropriate to select from a range of about part by mass.
- the polymerization temperature can be, for example, about 20 ° C. to 100 ° C. (typically 40 ° C. to 80 ° C.).
- epoxy crosslinking agents and isocyanate crosslinking agents can be suitably crosslinked with a carboxyl group, have good operability (typically light release properties), and are excellent in acid resistance.
- the combined use of an epoxy crosslinking agent and an isocyanate crosslinking agent is particularly preferred.
- the blending amount of the crosslinking agent is not particularly limited, but in order to realize the above-mentioned preferable numerical range of adhesive strength, 0.01 to 10 parts by mass (for example, 0. 05 to 5 parts by mass, typically 0.1 to 5 parts by mass).
- the mass ratio (C E / C I ) is 0.01 to 1 (for example, 0.05 to 0.5, Typically, 0.1 to 0.4) is preferable.
- the solvent used is an aliphatic hydrocarbon such as hexane, heptane, or mineral spirit, an alicyclic hydrocarbon such as cyclohexane, toluene, xylene, solvent naphtha, tetralin, dipentene, or the like.
- Aromatic hydrocarbons such as butyl alcohol, isobutyl alcohol, cyclohexyl alcohol, 2-methylcyclohexyl alcohol, tridecyl alcohol, esters such as methyl acetate, ethyl acetate, isopropyl acetate and butyl acetate, ketones such as acetone and methyl ethyl ketone Etc. are mentioned as suitable examples.
- the molecular weight (Mw: weight average molecular weight) of the base polymer used (synthesized) is not particularly limited, but is a polymer having a weight average molecular weight (Mw) of about 300,000 to 1,000,000 (for example, (Acrylic polymer) can be preferably used.
- the acrylic polymer constituting the pressure-sensitive adhesive in the technology disclosed herein may be a thermoplastic polymer.
- a typical example is an acrylic block copolymer.
- the acrylic block copolymer one having at least one acrylate block (hereinafter also referred to as Ac block) and at least one methacrylate block (hereinafter also referred to as MAc block) can be preferably used.
- a block copolymer having a structure in which Ac blocks and MAc blocks are alternately arranged is preferable.
- the total number of blocks of the Ac block and the MAc block is preferably 3 or more (for example, 3 to 5).
- alkyl acrylate As a main monomer (that is, a component occupying 50% by mass or more of monomer units constituting the block). Of the monomer units, 75% by mass or more (for example, 90% by mass or more) may be alkyl acrylate.
- the Ac block contained in the acrylic block copolymer in an acrylic block copolymer having two or more Ac blocks, at least one Ac block among them may be used,
- the monomer unit constituting the block may be substantially composed of only one or more (typically one) alkyl acrylate.
- the Ac block may be a copolymer of an alkyl acrylate and another monomer (for example, alkyl methacrylate).
- alkyl acrylate constituting the Ac block examples include, for example, methyl acrylate, ethyl acrylate, n-propyl acrylate, isopropyl acrylate, n-butyl acrylate (BA), isobutyl acrylate, tert-butyl acrylate, n-pentyl acrylate, n -Hexyl acrylate, n-heptyl acrylate, n-octyl acrylate, 2-ethylhexyl acrylate (2EHA), nonyl acrylate, isononyl acrylate, decyl acrylate, dodecyl acrylate, stearyl acrylate and the like.
- a constitution in which the monomer constituting the Ac block is substantially BA alone
- a constitution in which 2EHA is alone, a constitution comprising two types of BA and 2EHA, and the like can be preferably employed.
- the MAc block typically has alkyl methacrylate as the main monomer. Of all the monomer components constituting the MAc, 75% by mass or more (for example, 90% by mass or more) may be alkyl methacrylate. In a preferred embodiment, the MAc block contained in the acrylic block copolymer (in the acrylic block copolymer having two or more MAc blocks, at least one MAc block may be used, The monomer unit constituting the block may be substantially composed of only one or more (typically one) alkyl methacrylate. Alternatively, the MAc block may be a copolymer of alkyl methacrylate and another monomer (for example, alkyl acrylate).
- alkyl methacrylate constituting the MAc block examples include alkyl methacrylates having 1 to 20 (preferably 1 to 14) carbon atoms in the alkyl group. Specific examples thereof include, for example, methyl methacrylate, ethyl methacrylate, n-propyl methacrylate, isopropyl methacrylate, n-butyl methacrylate, isobutyl methacrylate, tert-butyl methacrylate, n-pentyl methacrylate, n-hexyl methacrylate, n-heptyl methacrylate, Examples thereof include n-octyl methacrylate, 2-ethylhexyl methacrylate, nonyl methacrylate, isononyl methacrylate, decyl methacrylate, dodecyl methacrylate, stearyl methacrylate and the like.
- 50% by mass or more (75% by mass or more or substantially all of the monomers) constituting the MAc block may have 1 to 1 carbon atoms in the alkyl group.
- 4 alkyl methacrylate preferred alkyl methacrylates include methyl methacrylate (MMA) and ethyl methacrylate (EMA).
- MMA methyl methacrylate
- EMA ethyl methacrylate
- a configuration in which the monomer unit is substantially MMA alone, a configuration in which the monomer unit is EMA alone, a configuration composed of two types of MMA and EMA, and the like can be preferably employed.
- the acrylic block copolymer in the technology disclosed herein is viscous to the A block made of a polymer having a hard structure excellent in cohesion and elasticity, such as AB type, ABA type, ABAB type, and ABABA type. It may be copolymerized such that B blocks made of a polymer having an excellent soft structure are alternately arranged.
- the pressure-sensitive adhesive using the acrylic block copolymer having such a structure as a base polymer can be a pressure-sensitive adhesive layer in which cohesion, elasticity and viscosity are highly compatible.
- the adhesive of this composition can be preferably used as a hot melt adhesive.
- An acrylic block copolymer (ABA type, ABABA type, etc.) having a structure in which A blocks are arranged at both ends of the molecule can be preferably used.
- An acrylic block copolymer having such a structure is preferable because it tends to have a good balance between cohesiveness and thermoplasticity.
- the acrylic block copolymer has two or more A blocks
- the monomer composition, molecular weight (degree of polymerization), structure, etc. of these A blocks may be the same or different.
- the MAc block as described above can be preferably used.
- the B block the Ac block as described above can be preferably adopted.
- the acrylic block copolymer is a triblock copolymer having a MAc block-Ac block-MAc block (ABA type) structure.
- ABA type MAc block-Ac block-MAc block
- such a triblock copolymer in which two MAc blocks have substantially the same monomer composition can be preferably employed.
- the mass of the MAc block contained in the acrylic block copolymer (the total mass thereof when two or more MAc blocks are included) and the mass of the Ac block (there are two or more Ac blocks when including two or more Ac blocks)
- the ratio with respect to the total mass) is not particularly limited, but the mass ratio of MAc block / Ac block is 4/96 to 90/10 (usually 7/93 to 80/20, preferably 10/90 to 70/30, For example, a range of 20/80 to 50/50) is preferable.
- the proportion of the MAc block is large, the adhesive strength is lowered, and light peelability tends to be easily obtained.
- the ratio of the Ac block is large, the organic dirt capturing performance tends to be improved.
- acrylic block copolymer those having a weight average molecular weight (Mw) of about 3 ⁇ 10 4 to 30 ⁇ 10 4 can be appropriately employed.
- An acrylic block copolymer having an Mw of about 3.5 ⁇ 10 4 to 25 ⁇ 10 4 is preferable, and more preferably 4 ⁇ 10 4 to 20 ⁇ 10 4 (for example, 5 ⁇ 10 4 to 15 ⁇ 10 4 ). . If the Mw of the acrylic block copolymer is too small, the adhesive properties (for example, cohesiveness) may be easily reduced, and the light peelability may be reduced. If Mw is too large, the acrylic block copolymer tends to be insufficient in thermoplasticity.
- the Mw of the acrylic block copolymer referred to here is obtained by performing gel permeation chromatography (GPC) measurement on a sample prepared by dissolving the copolymer in an appropriate solvent (for example, tetrahydrofuran (THF)).
- GPC gel permeation chromatography
- THF tetrahydrofuran
- the acrylic block copolymer in the technology disclosed herein may be copolymerized with monomers other than alkyl acrylate and alkyl methacrylate (other monomers).
- the other monomers include vinyl compounds having functional groups such as alkoxy groups, epoxy groups, hydroxyl groups, amino groups, amide groups, cyano groups, carboxyl groups, and acid anhydride groups, vinyl esters such as vinyl acetate, styrene, etc.
- vinyl esters such as vinyl acetate, styrene, etc.
- aromatic vinyl compounds and vinyl group-containing heterocyclic compounds such as N-vinylpyrrolidone.
- alkyl acrylates, fluorinated alkyl acrylates and fluorinated alkyl methacrylates having a structure in which a fluorinated alkyl group is bonded to an acryloyl group can be mentioned.
- the other monomers can be used, for example, for the purpose of adjusting the properties (adhesive properties, moldability, etc.) of the pressure-sensitive adhesive layer, and the content thereof is 20% by mass of the total monomer components constituting the acrylic block copolymer. It is appropriate to set it below (for example, 10 mass% or less, typically 5 mass% or less).
- the acrylic block copolymer contains substantially no other monomer.
- Such an acrylic block copolymer can be easily synthesized by a known method (for example, see JP-A Nos. 2001-234146 and 11-323072), or a commercially available product can be easily obtained. It can be obtained.
- the commercially available products include Kuraray's product name “LA polymer” series (for example, product numbers such as LA2140e and LA2250), Kaneka's product name “NABSTAR”, and the like.
- a method for synthesizing the acrylic block copolymer a method utilizing a living polymerization method can be preferably employed.
- the living polymerization method it is possible to synthesize an acrylic block copolymer having excellent thermoplastic properties by maintaining the original weather resistance of the acrylic polymer and controlling the structure unique to the living polymerization method.
- a pressure-sensitive adhesive and hence a pressure-sensitive adhesive sheet (dirt trapping part)
- excellent in light release property can be realized while suppressing the lack of cohesiveness due to the presence of low molecular weight components.
- the acrylic block copolymer may be used alone or in combination of two or more. it can.
- components other than the acrylic block copolymer may be included as an optional component for the purpose of controlling adhesive properties and the like.
- the optional component include polymers and oligomers other than the acrylic block copolymer.
- the blending amount of these polymers and oligomers (hereinafter also referred to as optional polymers) is suitably 50 parts by mass or less, preferably 10 parts by mass or less, per 100 parts by mass of the acrylic block copolymer. More preferably 5 parts by mass or less.
- the pressure-sensitive adhesive layer may contain substantially no polymer other than the acrylic block copolymer.
- a plasticizer in the pressure-sensitive adhesive composition in the technology disclosed herein.
- Inclusion of a plasticizer improves light peelability.
- coating property improves.
- the organic dirt capturing property on the pressure-sensitive adhesive surface is improved by the inclusion of the plasticizer.
- organic dirt captured on the surface of the pressure-sensitive adhesive is absorbed and diffused inside the pressure-sensitive adhesive (for example, the pressure-sensitive adhesive layer), even if the dirt capturing ability is reduced by repeated use, For example, a characteristic action (dirt catching ability recovery action) that the dirt catching ability is restored within a few minutes or hours is realized.
- the above-described dirt trapping ability recovery action will be described with reference to FIG.
- the adhesive layer 32 of the dirt catching portion (adhesive sheet) 31 when the adhesive layer 32 of the dirt catching portion (adhesive sheet) 31 is brought into contact with the flat surface 2 of the article 1 such as a portable device, the adhesive layer 32 adheres to the surface 2.
- the organic dirt 50 is captured.
- the pressure-sensitive adhesive layer 32 has a property of not only capturing the organic dirt 50 but also transferring it into the layer. Therefore, the organic dirt 50 attached to the surface of the pressure-sensitive adhesive layer 32 moves into the pressure-sensitive adhesive layer 32 over time, and the organic dirt 50 existing on the surface of the pressure-sensitive adhesive layer 32 is reduced, and finally the pressure-sensitive adhesive layer 32. On the surface, there is almost no organic dirt 50 present.
- the above-mentioned “recovery action” means that when the adhesive traps organic dirt and the dirt trapping ability temporarily decreases, the dirt is removed after a predetermined time (for example, several minutes, preferably several hours). This means that the trapping ability is restored and the adhesive (for example, the adhesive layer) can trap the dirt again, and includes that the time required for recovery of the dirt trapping ability is short.
- plasticizers include dioctyl phthalate, diisononyl phthalate, diisodecyl phthalate, dibutyl phthalate and the like, or adipates such as dioctyl adipate and diisononyl adipate, or trioctyl trimellitic acid Trimellitic acid esters, sebacic acid esters, and the like. Softeners such as process oil are also included in the plasticizer. These can be used alone or in combination of two or more. Of these, adipic acid esters are preferred.
- the blending amount of the plasticizer is not particularly limited, but is suitably 1 part by mass or more with respect to 100 parts by mass of the base polymer (for example, acrylic polymer).
- the amount is preferably 5 parts by mass or more, more preferably 10 parts by mass or more, still more preferably 15 parts by mass or more, and particularly preferably 20 parts by mass or more.
- the blending amount is suitably 100 parts by mass or less, preferably 80 parts by mass or less, more preferably 70 parts by mass or less, still more preferably 60 parts by mass or less, and particularly preferably 50 parts by mass or less. .
- the compounding amount of the plasticizer is 40 parts by weight or less (for example, 20 to 40 parts by weight, typically 25 to 40 parts by weight) with respect to 100 parts by weight of the base polymer. 35 parts by mass) is preferable.
- the pressure-sensitive adhesive composition (or pressure-sensitive adhesive or pressure-sensitive adhesive layer) disclosed herein includes a tackifier, a surfactant, a chain transfer agent, an antioxidant, an antioxidant, an ultraviolet absorber, Various additive components known in the field of pressure-sensitive adhesives such as light stabilizers, antistatic agents, colorants (pigments, dyes, etc.) can be blended. The types and blending amounts of these additional components that are not essential components may be the same as the normal types and blending amounts of this type of pressure-sensitive adhesive.
- the forming method is not particularly limited.
- the thickness of the pressure-sensitive adhesive layer can be appropriately selected according to the purpose and is not particularly limited. From the viewpoint of sufficiently exhibiting the dirt trapping performance and improving the recoverability of the dirt trapping ability, the thickness of the pressure-sensitive adhesive layer is preferably about 10 ⁇ m or more (for example, 30 ⁇ m or more, typically 50 ⁇ m or more). In the case where weight reduction, miniaturization, etc. are important, the thickness of the pressure-sensitive adhesive layer is preferably 300 ⁇ m or less (for example, 100 ⁇ m or less, typically 70 ⁇ m or less).
- the pressure-sensitive adhesive layer may be formed over the entire range of one surface of the support substrate, or, for example, the pressure-sensitive adhesive layer is not formed along both ends in the width direction of the support substrate. You may have a non-adhesion part (dry edge).
- the dirt capturing portion disclosed herein includes a support base material as in the above embodiment, for example, a material composed of various synthetic resins, non-woven fabrics, or paper can be used as the support base material.
- the material of the support substrate may be a cloth, a rubber sheet, a foam sheet, a metal foil, a composite thereof, or the like.
- Examples of the synthetic resin include polyolefin (polyethylene, polypropylene, ethylene-propylene copolymer, etc.), polyester (polyethylene terephthalate, etc.), vinyl chloride resin, vinyl acetate resin, polyimide resin, polyamide resin, fluororesin and the like.
- a support substrate made of polyethylene terephthalate (PET) can be suitably used.
- Examples of paper include Japanese paper, craft paper, glassine paper, high-quality paper, synthetic paper, topcoat paper, and the like.
- Examples of the fabric include woven fabrics and non-woven fabrics made of various fibrous substances alone or by blending.
- Examples of the fibrous material include cotton, suf, manila hemp, pulp, rayon, acetate fiber, polyester fiber, polyvinyl alcohol fiber, polyamide fiber, polyolefin fiber and the like.
- Examples of rubber sheets include natural rubber sheets and butyl rubber sheets.
- Examples of the foam sheet include a foamed polyurethane sheet and a foamed polychloroprene rubber sheet.
- Examples of the metal foil include aluminum foil and copper foil.
- fillers inorganic fillers, organic fillers, etc.
- anti-aging agents antioxidants, ultraviolet absorbers, light stabilizers, antistatic agents, lubricants, plasticizers, and coloring, if necessary
- additives such as additives (pigments, dyes, etc.) may be blended.
- a silicone-based release agent is formed on the back surface of the support base material (the pressure-sensitive adhesive layer non-formed surface). It is preferable that a surface treatment (typically, a peeling treatment to prevent the rewinding force from becoming too high) is applied to adjust the rewinding force of the pressure-sensitive adhesive sheet roll to an appropriate range, such as coating. .
- the thickness of the support substrate can be appropriately selected according to the purpose and is not particularly limited. In general, the thickness is preferably about 20 ⁇ m or more (for example, 30 ⁇ m or more, typically 40 ⁇ m or more), and preferably about 200 ⁇ m or less (for example, 100 ⁇ m or less, typically 70 ⁇ m or less). It is.
- Mw weight average molecular weight
- a solution of ⁇ 600,000 acrylic polymer A was prepared.
- a drying treatment is performed to obtain a thickness (glue thickness).
- a single-sided pressure-sensitive adhesive sheet in which an adhesive layer having a thickness of about 80 ⁇ m was formed on one side of the supporting substrate was produced.
- the obtained single-sided pressure-sensitive adhesive sheet was wound around the surface of a synthetic resin cylindrical holding member (diameter 20 mm) to form a pressure-sensitive adhesive sheet roll.
- a cleaner as schematically shown in FIGS. 1 and 2 was constructed by mounting the holding member on the tip of the gripping member so as to roll (rotate) freely.
- Example 2 A cleaner according to Example 2 was constructed in the same manner as in Example 1 except that the blending amount of the epoxy-based crosslinking agent was increased to 0.5 parts with respect to 100 parts of the polymer solid content of the acrylic polymer solution.
- Example 3 A cleaner according to Example 3 was constructed in the same manner as Example 2 except that the amount of the plasticizer was increased to 60 parts with respect to 100 parts of the polymer solid content of the acrylic polymer solution.
- Example 4 Mix 100 parts (solid content) of a commercially available acrylic block copolymer (acrylic polymer B) with 30 parts of a plasticizer (diisononyl adipate: “Monocizer W-242”, product of DIC Corporation), A hot-melt acrylic pressure-sensitive adhesive was prepared.
- a pressure-sensitive adhesive layer having a thickness (glue thickness) of about 50 ⁇ m Produced a single-sided PSA sheet formed on one side of the support substrate.
- a cleaner according to Example 4 was constructed in the same manner as Example 1 except that the obtained single-sided adhesive sheet was used.
- Example 5 A cleaner according to Example 5 was constructed in the same manner as in Example 4 except that the amount of the plasticizer was increased to 100 parts with respect to 100 parts (solid content) of the acrylic block copolymer.
- Example 6 A commercially available roll-shaped cleaner for flooring (trade name “Korokoro”: manufactured by NITOMES Corporation) was used as Example 6.
- the display surface with the sebum stain was cleaned with the cleaner according to each example.
- the cleaner adhesive sheet roll according to each example was rotated once.
- the rolling speed was about 0.5 m / sec.
- the pressing force of the operator when rolling was about 700 g.
- the measurement was performed twice and the average value was recorded. The results are shown in Table 1.
- the light-peeling adhesive cleaner as described above is capable of removing the protective film from the surface without peeling off the protective film due to the light-peeling property even when the surface of the portable device is covered with a peelable protective film. In this case, it can be expected to clean the surface of the protective film. This is understood by those skilled in the art because of the low peel adhesion to the synthetic resin PET.
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Abstract
Description
CH2=CR1COOR2
;で表される化合物を好適に用いることができる。ここで、上記式中のR1は水素原子またはメチル基である。また、R2は炭素原子数1~20のアルキル基(以下、このような炭素原子数の範囲を「C1-20」と表すことがある。)である。粘着剤の貯蔵弾性率等の観点から、C1-14(例えばC1-10)のアルキル基を有するアルキル(メタ)アクリレートが好ましい。なお、上記アルキル基は直鎖状または分岐状であり得る。 Examples of the alkyl (meth) acrylate include the formula:
CH 2 = CR 1 COOR 2
A compound represented by; can be suitably used. Here, R 1 in the above formula is a hydrogen atom or a methyl group. R 2 is an alkyl group having 1 to 20 carbon atoms (hereinafter, such a range of the number of carbon atoms may be represented as “C 1-20 ”). From the viewpoint of the storage elastic modulus of the pressure-sensitive adhesive, an alkyl (meth) acrylate having a C 1-14 (for example, C 1-10 ) alkyl group is preferable. The alkyl group may be linear or branched.
酸無水物基含有モノマーとしては、例えば無水マレイン酸、無水イタコン酸等の上記エチレン性不飽和ジカルボン酸等の酸無水物等が挙げられる。
ヒドロキシル基(水酸基)含有モノマーとしては、例えば2-ヒドロキシエチル(メタ)アクリレート、2-ヒドロキシプロピル(メタ)アクリレート、3-ヒドロキシプロピル(メタ)アクリレート、2-ヒドロキシブチル(メタ)アクリレート、4-ヒドロキシブチル(メタ)アクリレート等のヒドロキシアルキル(メタ)アクリレート類、N-メチロール(メタ)アクリルアミド、ビニルアルコール、アリルアルコール、2-ヒドロキシエチルビニルエーテル、4-ヒドロキシブチルビニルエーテル、ジエチレングリコールモノビニルエーテル等の不飽和アルコール類等が挙げられる。
アミド基含有モノマーとしては、例えば(メタ)アクリルアミド、N,N-ジメチル(メタ)アクリルアミド、N-ブチル(メタ)アクリルアミド、N-メチロール(メタ)アクリルアミド、N-メチロールプロパン(メタ)アクリルアミド、N-メトキシメチル(メタ)アクリルアミド、N-ブトキシメチル(メタ)アクリルアミド等が挙げられる。
アミノ基含有モノマーとしては、例えばアミノエチル(メタ)アクリレート、N,N-ジメチルアミノエチル(メタ)アクリレート、t-ブチルアミノエチル(メタ)アクリレート等が挙げられる。
エポキシ基(グリシジル基)含有モノマーとしては、例えばグリシジル(メタ)アクリレート、メチルグリシジル(メタ)アクリレート、アリルグリシジルエーテル等が挙げられる。
アルコキシ基含有モノマーとしては、例えばメトキシエチル(メタ)アクリレート、エトキシエチル(メタ)アクリレート等が挙げられる。
アルコキシシリル基含有モノマーとしては、例えば3-(メタ)アクリロキシプロピルトリメトキシシラン、3-(メタ)アクリロキシプロピルトリエトキシシラン、3-(メタ)アクリロキシプロピルメチルジメトキシシラン、3-(メタ)アクリロキシプロピルメチルジエトキシシラン等が挙げられる。 Examples of the carboxyl group-containing monomer include ethylenically unsaturated monocarboxylic acids such as acrylic acid, methacrylic acid, crotonic acid, carboxyethyl (meth) acrylate, and carboxypentyl (meth) acrylate, itaconic acid, maleic acid, fumaric acid, and citracone. Examples thereof include ethylenically unsaturated dicarboxylic acids such as acids. Of these, acrylic acid and / or methacrylic acid are preferable, and acrylic acid is particularly preferable.
Examples of the acid anhydride group-containing monomer include acid anhydrides such as the above ethylenically unsaturated dicarboxylic acids such as maleic anhydride and itaconic anhydride.
Examples of the hydroxyl group (hydroxyl group) -containing monomer include 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 4-hydroxy Unsaturated alcohols such as hydroxyalkyl (meth) acrylates such as butyl (meth) acrylate, N-methylol (meth) acrylamide, vinyl alcohol, allyl alcohol, 2-hydroxyethyl vinyl ether, 4-hydroxybutyl vinyl ether, diethylene glycol monovinyl ether Etc.
Examples of amide group-containing monomers include (meth) acrylamide, N, N-dimethyl (meth) acrylamide, N-butyl (meth) acrylamide, N-methylol (meth) acrylamide, N-methylolpropane (meth) acrylamide, N- Examples include methoxymethyl (meth) acrylamide and N-butoxymethyl (meth) acrylamide.
Examples of the amino group-containing monomer include aminoethyl (meth) acrylate, N, N-dimethylaminoethyl (meth) acrylate, t-butylaminoethyl (meth) acrylate, and the like.
Examples of the epoxy group (glycidyl group) -containing monomer include glycidyl (meth) acrylate, methyl glycidyl (meth) acrylate, and allyl glycidyl ether.
Examples of the alkoxy group-containing monomer include methoxyethyl (meth) acrylate and ethoxyethyl (meth) acrylate.
Examples of the alkoxysilyl group-containing monomer include 3- (meth) acryloxypropyltrimethoxysilane, 3- (meth) acryloxypropyltriethoxysilane, 3- (meth) acryloxypropylmethyldimethoxysilane, and 3- (meth). Examples include acryloxypropylmethyldiethoxysilane.
2-エチルヘキシルアクリレート(2EHA)とアクリル酸(AA)とを質量比で2EHA:AA=95:5となるように3つ口フラスコに投入し(溶剤はトルエンを使用した。)、窒素気流下にて、重合開始剤として過酸化ベンゾイルを添加し、60℃に昇温させて2時間反応させ、さらに80℃に昇温して1時間反応させることにより、重量平均分子量(Mw)が凡そ50万~60万のアクリル系ポリマーAの溶液を調製した。次いで、かかるアクリル系ポリマー溶液のポリマー固形分100部に対し、可塑剤(アジピン酸ジイソノニル:「モノサイザーW-242」、DIC(株)製品)30部と、エポキシ系架橋剤(三菱瓦斯化学社製の「TETRAD-C」)0.1部と、イソシアネート系架橋剤(日本ポリウレタン工業社製「コロネートL」)2部とを混合し、アクリル系粘着剤組成物を調製した。 <Example 1>
2-Ethylhexyl acrylate (2EHA) and acrylic acid (AA) were charged into a three-necked flask so that the mass ratio was 2EHA: AA = 95: 5 (the solvent used toluene was used), and under a nitrogen stream. Then, benzoyl peroxide is added as a polymerization initiator, the temperature is raised to 60 ° C. and reacted for 2 hours, and further heated to 80 ° C. and reacted for 1 hour, whereby the weight average molecular weight (Mw) is about 500,000. A solution of ˜600,000 acrylic polymer A was prepared. Next, with respect to 100 parts of the polymer solid content of the acrylic polymer solution, 30 parts of a plasticizer (diisononyl adipate: “Monocizer W-242”, product of DIC Corporation) and an epoxy crosslinking agent (Mitsubishi Gas Chemical Co., Ltd.) 0.1 parts of “TETRAD-C” manufactured by the manufacturer and 2 parts of isocyanate crosslinking agent (“Coronate L” manufactured by Nippon Polyurethane Industry Co., Ltd.) were mixed to prepare an acrylic pressure-sensitive adhesive composition.
エポキシ系架橋剤の配合量を、アクリル系ポリマー溶液のポリマー固形分100部に対して0.5部に増量した他は例1と同様にして例2に係るクリーナーを構築した。 <Example 2>
A cleaner according to Example 2 was constructed in the same manner as in Example 1 except that the blending amount of the epoxy-based crosslinking agent was increased to 0.5 parts with respect to 100 parts of the polymer solid content of the acrylic polymer solution.
可塑剤の配合量を、アクリル系ポリマー溶液のポリマー固形分100部に対して60部に増量した他は例2と同様にして例3に係るクリーナーを構築した。 <Example 3>
A cleaner according to Example 3 was constructed in the same manner as Example 2 except that the amount of the plasticizer was increased to 60 parts with respect to 100 parts of the polymer solid content of the acrylic polymer solution.
市販のアクリル系ブロック共重合体(アクリル系ポリマーB)100部(固形分)と、可塑剤(アジピン酸ジイソノニル:「モノサイザーW-242」、DIC(株)製品)30部とを混合し、ホットメルト型のアクリル系粘着剤を調製した。得られたアクリル系粘着剤を溶融状態で厚さ38μmのPET製のシート状支持基材(幅:約8cm)の表面に塗付することにより、厚さ(糊厚)約50μmの粘着剤層が支持基材の片面に形成された片面粘着シートを作製した。得られた片面粘着シートを用いた他は例1と同様にして例4に係るクリーナーを構築した。 <Example 4>
Mix 100 parts (solid content) of a commercially available acrylic block copolymer (acrylic polymer B) with 30 parts of a plasticizer (diisononyl adipate: “Monocizer W-242”, product of DIC Corporation), A hot-melt acrylic pressure-sensitive adhesive was prepared. By applying the obtained acrylic pressure-sensitive adhesive in the molten state to the surface of a sheet-like support substrate made of PET (width: about 8 cm) having a thickness of 38 μm, a pressure-sensitive adhesive layer having a thickness (glue thickness) of about 50 μm Produced a single-sided PSA sheet formed on one side of the support substrate. A cleaner according to Example 4 was constructed in the same manner as Example 1 except that the obtained single-sided adhesive sheet was used.
可塑剤の配合量を、アクリル系ブロック共重合体100部(固形分)に対して100部に増量した他は例4と同様にして例5に係るクリーナーを構築した。 <Example 5>
A cleaner according to Example 5 was constructed in the same manner as in Example 4 except that the amount of the plasticizer was increased to 100 parts with respect to 100 parts (solid content) of the acrylic block copolymer.
市販のフローリング用ロール形状クリーナー(商品名「コロコロ」:株式会社ニトムズ製品)を例6として使用した。 <Example 6>
A commercially available roll-shaped cleaner for flooring (trade name “Korokoro”: manufactured by NITOMES Corporation) was used as Example 6.
各例に係る粘着シートを200mm×25mmにカットして長方形状の試験片を用意した。上記試験片の粘着面(粘着剤層側表面)をステンレス鋼(SUS304)板に2kgのローラーを一往復させて貼り付け、これを23℃、RH50%の環境下に30分間保持した後、引張試験機を用い、JIS Z0237に準拠して、23℃、RH50%の環境下、剥離角度180°、引張速度300mm/分の条件にて、対SUS180°引き剥がし粘着力[N/25mm]を測定した。測定は、島津製作所社製の「テンシロン」を用いて行った。結果を表1に示す。 [Measurement of SUS180 ° peeling adhesive strength]
The adhesive sheet according to each example was cut to 200 mm × 25 mm to prepare a rectangular test piece. The adhesive surface (adhesive layer side surface) of the test piece was attached to a stainless steel (SUS304) plate by reciprocating a 2 kg roller, and this was held in an environment of 23 ° C. and
例1~3に係る粘着シートにつき、被着体としてガラス板を用いた他は上記対SUS180°引き剥がし粘着力と同様にして対ガラス180°引き剥がし粘着力[N/25mm]を測定した。ガラス板としては市販のフロート板ガラスを用いた。結果を表1に示す。 [Measurement of 180 ° peeling adhesion to glass]
For the pressure-sensitive adhesive sheets according to Examples 1 to 3, 180 ° peel-off adhesive strength [N / 25 mm] to glass was measured in the same manner as the above-mentioned SUS 180 ° peel-off adhesive strength except that a glass plate was used as the adherend. A commercially available float plate glass was used as the glass plate. The results are shown in Table 1.
例1~3に係る粘着シートにつき、被着体としてPETフィルム(厚さ50μm)を用いた他は上記対SUS180°引き剥がし粘着力と同様にして対PET180°引き剥がし粘着力[N/25mm]を測定した。結果を表1に示す。 [Measurement of 180 ° peeling adhesion to PET]
For the pressure-sensitive adhesive sheets according to Examples 1 to 3, except that a PET film (
タブレット型情報端末(iPad(商標):アップル社製品)を用意し、その表示面(アルミノケイ酸ガラス製のフラットな表面)をクリーナーで念入りにクリーニングした後、堀場製作所社製のハンディ光沢計「グロスチェッカIG-331」を用いて、光沢度G0(測定角60°)を測定した。次いで、試験者の顔面その他の皮膚に付着する皮脂成分を手指にこすり付け、当該手指に付いている皮脂成分からなる有機質汚れを上記タブレット型情報端末の表示面の一部に擦りつけて転写した。上記有機質汚れの転写量は、上記光沢度が約60(G1)となる量とした。そして、皮脂汚れが付いた上記表示面の上を各例に係るクリーナーでクリーニングした。具体的には、各例に係るクリーナーの粘着シートロールを1回転がした。転がし速度は約0.5m/秒とした。また、転がす際の作業者の押圧力は約700gとした。その後の上記表示面の光沢度G2(測定角60°)を測定し、式:汚れ除去率(%)=(G2-G1)/(G0-G1)×100;に基づき、汚れ除去率(%)を求めた。測定は2回行い、その平均値を記録した。結果を表1に示す。 [Evaluation of dirt removal rate]
After preparing a tablet-type information terminal (iPad (trademark): Apple product) and carefully cleaning its display surface (flat surface made of aluminosilicate glass) with a cleaner, the handy gloss meter “Gloss Glossiness G0 (measurement angle 60 °) was measured using “Checker IG-331”. Next, the test subject's face and other sebum components adhering to the skin are rubbed onto the fingers, and organic dirt composed of the sebum components attached to the fingers is rubbed onto a part of the display surface of the tablet type information terminal and transferred. . The transfer amount of the organic soil was set to an amount that gives the glossiness of about 60 (G1). Then, the display surface with the sebum stain was cleaned with the cleaner according to each example. Specifically, the cleaner adhesive sheet roll according to each example was rotated once. The rolling speed was about 0.5 m / sec. The pressing force of the operator when rolling was about 700 g. Thereafter, the glossiness G2 (measurement angle 60 °) of the display surface is measured, and the stain removal rate (%) based on the formula: stain removal rate (%) = (G2−G1) / (G0−G1) × 100; ) The measurement was performed twice and the average value was recorded. The results are shown in Table 1.
2 表面(表示部)
10 粘着クリーナー
20 保持部材
30 粘着シートロール
31 粘着シート(汚れ捕捉部)
32 粘着剤層
36 基材
40 把持部材
42 取っ手
50 有機質汚れ 1 Portable equipment (goods)
2 Surface (display part)
10 Adhesive cleaner 20 Holding
32
Claims (11)
- フラットな表面を有する物品の該表面に付着した有機質汚れを取り除くために使用される粘着クリーナーであって、
前記フラットな表面に接触することによって前記有機質汚れを捕捉する汚れ捕捉部を備えており、
前記汚れ捕捉部は、前記表面と接触する部分が粘着剤によって構成されており、
前記汚れ捕捉部の前記表面に接触する部分は、JIS Z0237に規定する180°剥離試験に基づく測定値で1N/25mm未満の粘着力を示す、有機質汚れ除去用粘着クリーナー。 An adhesive cleaner used to remove organic dirt adhered to a surface of an article having a flat surface,
It has a dirt catching part that catches the organic dirt by contacting the flat surface,
The dirt capturing part is configured by a pressure-sensitive adhesive part in contact with the surface,
The part which contacts the said surface of the said dirt capture | acquisition part is an adhesive cleaner for organic dirt removal which shows the adhesive force of less than 1 N / 25mm by the measured value based on the 180 degree peeling test prescribed | regulated to JISZ0237. - 前記汚れ捕捉部の前記表面に接触する部分は、JIS Z0237に規定する180°剥離試験に基づく測定値で0.01~0.5N/25mmの粘着力を示す、請求項1に記載の粘着クリーナー。 The pressure-sensitive adhesive cleaner according to claim 1, wherein the portion of the dirt trapping portion that contacts the surface exhibits an adhesive force of 0.01 to 0.5 N / 25 mm as measured based on a 180 ° peel test specified in JIS Z0237. .
- 円筒状の転動部材を備えており、前記汚れ捕捉部は該転動部材の外周面に配置されている、請求項1または2に記載の粘着クリーナー。 The pressure-sensitive adhesive cleaner according to claim 1 or 2, further comprising a cylindrical rolling member, wherein the dirt capturing portion is disposed on an outer peripheral surface of the rolling member.
- 前記転動部材を転動自在に支持する把持部材をさらに備える、請求項3に記載の粘着クリーナー。 The pressure-sensitive adhesive cleaner according to claim 3, further comprising a gripping member that supports the rolling member in a freely rollable manner.
- 前記汚れ捕捉部は、シート状の支持基材と該支持基材上に配置された粘着剤層とを備える片面粘着シートとして構成されており、
前記片面粘着シートは、前記粘着剤層を外側にして巻回されることにより粘着シートロールとして構成されている、請求項1~4のいずれかに記載の粘着クリーナー。 The dirt capturing part is configured as a single-sided pressure-sensitive adhesive sheet comprising a sheet-like support base material and a pressure-sensitive adhesive layer disposed on the support base material,
The pressure-sensitive adhesive cleaner according to any one of claims 1 to 4, wherein the single-sided pressure-sensitive adhesive sheet is configured as a pressure-sensitive adhesive sheet roll by being wound with the pressure-sensitive adhesive layer facing outward. - 前記粘着剤層は、アクリル系ポリマーを50質量%以上の割合で含有する、請求項5に記載の粘着クリーナー。 The pressure-sensitive adhesive layer according to claim 5, wherein the pressure-sensitive adhesive layer contains an acrylic polymer in a proportion of 50% by mass or more.
- 前記アクリル系ポリマーは、架橋されたアクリル系ポリマーである、請求項6に記載の粘着クリーナー。 The pressure-sensitive adhesive cleaner according to claim 6, wherein the acrylic polymer is a crosslinked acrylic polymer.
- 前記アクリル系ポリマーは、熱可塑性のアクリル系ポリマーである、請求項6に記載の粘着クリーナー。 The pressure-sensitive adhesive cleaner according to claim 6, wherein the acrylic polymer is a thermoplastic acrylic polymer.
- 前記粘着剤層は可塑剤をさらに含む、請求項6~8のいずれかに記載の粘着クリーナー。 The adhesive cleaner according to any one of claims 6 to 8, wherein the adhesive layer further contains a plasticizer.
- 前記有機質汚れとしてヒトの皮脂汚れを取り除くために使用される、請求項1~9のいずれかに記載の粘着クリーナー。 10. The adhesive cleaner according to claim 1, which is used to remove human sebum dirt as the organic dirt.
- 前記物品は、ガラス製または合成樹脂製の表示面を前記フラットな表面に有するポータブル機器である、請求項1~10のいずれかに記載の粘着クリーナー。 The adhesive cleaner according to any one of claims 1 to 10, wherein the article is a portable device having a display surface made of glass or synthetic resin on the flat surface.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US14/762,703 US20150320293A1 (en) | 2013-01-25 | 2014-01-16 | Sticky cleaner for removing organic dirt |
CN201480006011.9A CN104955371A (en) | 2013-01-25 | 2014-01-16 | Adhesive cleaner for removal of organic dirt |
KR1020157018108A KR102038735B1 (en) | 2013-01-25 | 2014-01-16 | Adhesive cleaner for removal of organic dirt |
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JP2013012473A JP6100539B2 (en) | 2013-01-25 | 2013-01-25 | Adhesive cleaner for organic dirt removal |
JP2013-012473 | 2013-01-25 |
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WO2014115632A1 true WO2014115632A1 (en) | 2014-07-31 |
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PCT/JP2014/050662 WO2014115632A1 (en) | 2013-01-25 | 2014-01-16 | Adhesive cleaner for removal of organic dirt |
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US (1) | US20150320293A1 (en) |
JP (1) | JP6100539B2 (en) |
KR (1) | KR102038735B1 (en) |
CN (1) | CN104955371A (en) |
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WO (1) | WO2014115632A1 (en) |
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CN107105963A (en) * | 2014-12-22 | 2017-08-29 | 尼托母斯股份有限公司 | Antimicrobial treatment bonding cleaner |
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JP6814528B2 (en) * | 2015-02-27 | 2021-01-20 | 株式会社ニトムズ | Adhesive cleaner |
JP7018867B2 (en) * | 2018-11-09 | 2022-02-14 | ユニ・チャーム株式会社 | Cleaning head for cleaning tool, cleaning tool with the cleaning head, use of the cleaning sheet for the cleaning tool, and cleaning sheet for the cleaning tool |
CN110053247B (en) * | 2019-03-29 | 2021-05-25 | 深圳市魔膜贴科技有限公司 | Self-service intelligent mobile device sticking film machine |
KR102415526B1 (en) | 2021-12-20 | 2022-07-05 | 이성일 | Eco-Friendly Adhesive Cleanser |
KR20240033582A (en) | 2022-09-05 | 2024-03-12 | 충남대학교산학협력단 | Semiconducting polymer-based organic sintillating polymer for nuclear radiation detection and plastic scintillator using the same |
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Also Published As
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US20150320293A1 (en) | 2015-11-12 |
JP2014144023A (en) | 2014-08-14 |
JP6100539B2 (en) | 2017-03-22 |
KR102038735B1 (en) | 2019-10-30 |
TWI604898B (en) | 2017-11-11 |
KR20150109351A (en) | 2015-10-01 |
CN104955371A (en) | 2015-09-30 |
TW201436890A (en) | 2014-10-01 |
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