TWI665261B - 保護膜及包括其的偏光板 - Google Patents
保護膜及包括其的偏光板 Download PDFInfo
- Publication number
- TWI665261B TWI665261B TW106108218A TW106108218A TWI665261B TW I665261 B TWI665261 B TW I665261B TW 106108218 A TW106108218 A TW 106108218A TW 106108218 A TW106108218 A TW 106108218A TW I665261 B TWI665261 B TW I665261B
- Authority
- TW
- Taiwan
- Prior art keywords
- protective film
- sensitive adhesive
- pressure
- weight
- item
- Prior art date
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 67
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 56
- 239000010410 layer Substances 0.000 claims description 44
- 229910052751 metal Inorganic materials 0.000 claims description 40
- 239000002184 metal Substances 0.000 claims description 40
- 150000003839 salts Chemical class 0.000 claims description 35
- 239000002585 base Substances 0.000 claims description 30
- -1 LiSCN Inorganic materials 0.000 claims description 29
- 229920005989 resin Polymers 0.000 claims description 27
- 239000011347 resin Substances 0.000 claims description 27
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 20
- 239000000178 monomer Substances 0.000 claims description 18
- 239000003431 cross linking reagent Substances 0.000 claims description 16
- 125000000524 functional group Chemical group 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- 239000002738 chelating agent Substances 0.000 claims description 8
- 229910052744 lithium Inorganic materials 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000004593 Epoxy Substances 0.000 claims description 7
- 125000003545 alkoxy group Chemical group 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 7
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 6
- 125000001931 aliphatic group Chemical group 0.000 claims description 5
- 239000012948 isocyanate Substances 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- 229910013063 LiBF 4 Inorganic materials 0.000 claims description 3
- 229910013684 LiClO 4 Inorganic materials 0.000 claims description 3
- 229910013870 LiPF 6 Inorganic materials 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Inorganic materials [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 2
- 125000000923 (C1-C30) alkyl group Chemical group 0.000 claims 1
- 125000003358 C2-C20 alkenyl group Chemical group 0.000 claims 1
- 230000003068 static effect Effects 0.000 abstract description 15
- 230000005611 electricity Effects 0.000 abstract description 14
- 125000004432 carbon atom Chemical group C* 0.000 description 20
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical group CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- 125000000217 alkyl group Chemical group 0.000 description 9
- 125000002947 alkylene group Chemical group 0.000 description 9
- 125000003342 alkenyl group Chemical group 0.000 description 6
- 239000002216 antistatic agent Substances 0.000 description 6
- 239000004205 dimethyl polysiloxane Substances 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 6
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000011247 coating layer Substances 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 239000005058 Isophorone diisocyanate Substances 0.000 description 4
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 4
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 4
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 3
- 125000000304 alkynyl group Chemical group 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- NZZFYRREKKOMAT-UHFFFAOYSA-N diiodomethane Chemical compound ICI NZZFYRREKKOMAT-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZXHZWRZAWJVPIC-UHFFFAOYSA-N 1,2-diisocyanatonaphthalene Chemical compound C1=CC=CC2=C(N=C=O)C(N=C=O)=CC=C21 ZXHZWRZAWJVPIC-UHFFFAOYSA-N 0.000 description 1
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical compound CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 description 1
- IVIDDMGBRCPGLJ-UHFFFAOYSA-N 2,3-bis(oxiran-2-ylmethoxy)propan-1-ol Chemical compound C1OC1COC(CO)COCC1CO1 IVIDDMGBRCPGLJ-UHFFFAOYSA-N 0.000 description 1
- OZDGMOYKSFPLSE-UHFFFAOYSA-N 2-Methylaziridine Chemical compound CC1CN1 OZDGMOYKSFPLSE-UHFFFAOYSA-N 0.000 description 1
- 125000006176 2-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- STMSRQMGUCRAKM-UHFFFAOYSA-N 2-n-ethyl-1,3,5-triazine-2,4,6-triamine Chemical compound CCNC1=NC(N)=NC(N)=N1 STMSRQMGUCRAKM-UHFFFAOYSA-N 0.000 description 1
- MECNWXGGNCJFQJ-UHFFFAOYSA-N 3-piperidin-1-ylpropane-1,2-diol Chemical compound OCC(O)CN1CCCCC1 MECNWXGGNCJFQJ-UHFFFAOYSA-N 0.000 description 1
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- 229910020366 ClO 4 Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- IIGAAOXXRKTFAM-UHFFFAOYSA-N N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C Chemical compound N=C=O.N=C=O.CC1=C(C)C(C)=C(C)C(C)=C1C IIGAAOXXRKTFAM-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- FYAMXEPQQLNQDM-UHFFFAOYSA-N Tris(1-aziridinyl)phosphine oxide Chemical compound C1CN1P(N1CC1)(=O)N1CC1 FYAMXEPQQLNQDM-UHFFFAOYSA-N 0.000 description 1
- 239000012963 UV stabilizer Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- GYGAZRPDUOHMAF-UHFFFAOYSA-N acetic acid elaidylester Natural products CCCCCCCCC=CCCCCCCCCOC(C)=O GYGAZRPDUOHMAF-UHFFFAOYSA-N 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- RLZXKARDPOFVNB-UHFFFAOYSA-N aziridine-1-carboxylic acid Chemical compound OC(=O)N1CC1 RLZXKARDPOFVNB-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- KCIWKEHUNXFKPI-UHFFFAOYSA-N diphenylmethanone;propan-2-one Chemical compound CC(C)=O.C=1C=CC=CC=1C(=O)C1=CC=CC=C1 KCIWKEHUNXFKPI-UHFFFAOYSA-N 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 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
- 230000000694 effects Effects 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- NDOGLIPWGGRQCO-UHFFFAOYSA-N hexane-2,4-dione Chemical compound CCC(=O)CC(C)=O NDOGLIPWGGRQCO-UHFFFAOYSA-N 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 150000002739 metals 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
- WYOXPIKARMAQFM-UHFFFAOYSA-N n,n,n',n'-tetrakis(oxiran-2-ylmethyl)ethane-1,2-diamine Chemical compound C1OC1CN(CC1OC1)CCN(CC1OC1)CC1CO1 WYOXPIKARMAQFM-UHFFFAOYSA-N 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
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 1
- BMOMBHKAYGMGCR-UHFFFAOYSA-N octadecyl 3-oxobutanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CC(C)=O BMOMBHKAYGMGCR-UHFFFAOYSA-N 0.000 description 1
- GYGAZRPDUOHMAF-KHPPLWFESA-N oleyl acetate Chemical compound CCCCCCCC\C=C/CCCCCCCCOC(C)=O GYGAZRPDUOHMAF-KHPPLWFESA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- YGSFNCRAZOCNDJ-UHFFFAOYSA-N propan-2-one Chemical compound CC(C)=O.CC(C)=O YGSFNCRAZOCNDJ-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
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/017—Antistatic agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0075—Antistatics
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- 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
-
- 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
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/10—Block or graft copolymers containing polysiloxane sequences
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Abstract
本發明是關於一種保護膜及一種包括其之偏光板,且提供一種能夠使靜電之量減至最小的保護膜,所述靜電可在剝離保護膜時產生。
Description
本申請案是關於一種保護膜及包括其之偏光板。
在偏光板之情況下,用於製造偏光板之方法至用於製備LCD模組之方法需要用於保護偏光板免遭外部衝擊、摩擦以及污染之保護膜。此類保護膜以及最初固定至黏著體之黏性需要能夠在製程後在不破壞黏著體的情況下經剝掉之低剝離力。
習知偏光板中所用之基底膜具有高表面能,且因此當保護膜之壓敏黏著劑中包含諸如金屬鹽或有機鹽之抗靜電劑時,抗靜電劑易於轉移於壓敏黏著劑之表面上,且在剝離後作為黏著體的偏光板之表面之表面阻力(surface resistance)會降低,藉此生成少量靜電。然而,近年來,為了在偏光板表面上實現諸如低反射及防眩光之物理特性,在偏光板之最外層上形成塗層時,偏光板表面之表面能因添加Si系列或F系列所致而降低。當作為黏著體之偏光板之表面能因而降低時,抗靜電劑不易於轉移,由此在剝離保護膜時剝離界面之表面阻力增加且所產生靜電之量亦增加。
專利文獻1為先前專利,其揭露一種用於預防導電薄膜
之諸如污染及刮擦之損害的保護膜。
(專利文獻1)日本專利第4342775號
本發明的保護膜具有包括符合下式1之聚有機矽氧烷及金屬鹽之壓敏黏著劑層:
其中,n為在0至1500範圍內之任何數字,R1至R8彼此相同或不同且各自獨立地為氫、烷基、烷氧基、烯基、炔基或環氧烷,且R1至R8中之至少一者為環氧烷。
在本發明的一實施例中,上述的金屬鹽與所述聚有機矽氧烷形成螯合劑。
在本發明的一實施例中,上述的金屬鹽包括鹼金屬或鹼土金屬。
在本發明的一實施例中,上述的金屬鹽包括LiBr、LiI、LiBF4、LiPF6、LiSCN、LiClO4、LiCF3SO3、Li(CF3SO2)2N、Li(C2F5SO2)2N、Li(CF3SO2)3C、K(CF3SO2)2N)2或Mg((CF3SO2)2N)2。
在本發明的一實施例中,相對於100重量份之上述聚有機矽氧烷,以50至150重量份之量包括上述金屬鹽。
在本發明的一實施例中,上述的聚有機矽氧烷之重量平均分子量為300至100,000。
在本發明的一實施例中,上述的壓敏黏著劑層更包括壓敏黏著劑基本樹脂,上述壓敏黏著劑基本樹脂包括作為聚合單元的(甲基)丙烯酸酯單體。
在本發明的一實施例中,分別以80至99.8重量份及0.01至10重量份之量包括上述壓敏黏著劑基本樹脂及上述聚有機矽氧烷。
在本發明的一實施例中,上述的壓敏黏著劑基本樹脂更包括衍生自具有可交聯官能基之可共聚合單體的聚合單元。
在本發明的一實施例中,上述的具有可交聯官能基之可共聚合單體為由以下所構成的族群中選出之至少一者:含羥基共聚單體、含羧基共聚單體以及含氮共聚單體。
在本發明的一實施例中,相對於100重量份之上述壓敏黏著劑基本樹脂,以0.01至14重量份之量包括上述具有可交聯官能基之可共聚合單體。
在本發明的一實施例中,上述的壓敏黏著劑層更包括使所述壓敏黏著劑基本樹脂交聯之多官能交聯劑。
在本發明的一實施例中,上述的多官能交聯劑為由以下所構成的族群中選出之至少一者:異氰酸酯化合物、環氧化合物、氮丙啶化合物以及金屬螯合劑化合物。
在本發明的一實施例中,上述的多官能交聯劑為脂族直鏈多價NCO與脂族環狀多價NCO之混合物。
在本發明的一實施例中,相對於100重量份之上述壓敏
黏著劑基本樹脂,上述多官能交聯劑以0.01至20重量份之量包括於上述壓敏黏著劑層中。
在本發明的一實施例中,上述的壓敏黏著劑層更包括固化阻滯劑。
在本發明的一實施例中,上述的保護膜更包括基底材料層,其中上述壓敏黏著劑層在上述基底材料層之一個表面上形成。
在本發明的一實施例中,上述的保護膜塗覆至表面能為15毫牛/公尺至40毫牛/公尺之黏著體。
本發明的偏光板包括偏光片及在上述偏光片之一個表面上形成之上述保護膜。
在本發明的一實施例中,上述的偏光板更包括塗層,上述塗層在上述偏光片之一個表面上形成,且上述塗層的表面能為15毫牛/公尺至40毫牛/公尺,其中上述保護膜在上述塗層上形成。
本發明是關於一種保護膜及一種包括其之偏光板,且提供一種能夠使靜電之量減至最小之保護膜,所述靜電可在剝離所述保護膜時產生。
本申請案是關於一種保護膜。自用於製造偏光板之方法
至用於製備LCD模組之方法,保護膜可塗覆至偏光板且可保護偏光板免遭外部衝擊、摩擦以及污染。
例示性保護膜可包括壓敏黏著劑層,其包括符合下式1之聚有機矽氧烷及金屬鹽。
在上式1中,n為在0至1500範圍內之任何數字。在一個實例中,n可為5至1300、10至1000、15至800、20至500、25至400、30至300、35至200或40至180。另外,R1至R8彼此相同或不同且各自獨立地為氫、烷基、烷氧基、烯基、炔基或環氧烷,且R1至R8中之至少一者可為環氧烷。此處,R1至R8中之至少一者可為具有1至30個碳原子之烷基,且具體言之為甲基、乙基或丙基。舉例而言,烷基可為甲基且聚有機矽氧烷可為聚二甲基矽氧烷,但不限於此。此外,環氧烷可為具有2至10個碳原子之環氧烷,且可為例如環氧乙烷,但不限於此。在一個實例中,環氧烷可為R4或R5。
另外,壓敏黏著劑層可包括金屬鹽以及聚有機矽氧烷。金屬鹽可與聚有機矽氧烷一起形成螯合劑。在一個實例中,金屬鹽可為抗靜電劑。在一個實例中,金屬鹽可包括鹼金屬或鹼土金屬。金屬鹽之實例可包含由鋰、鈉、鉀或鎂組成之金屬鹽,且具體言之,可使用由陽離子及陰離子構成之金屬鹽,所述陽離子由Li+、Na+、K+或Mg+組成,所述陰離子由Cl-、Br-、I-、BF4 -、PF6 -、SCN-、
ClO4 -、CF3SO3 -、(CF3SO2)2N-、(C2F5SO2)2N-或(CF3SO2)3C-組成。在本申請案中,特定言之,可使用諸如LiBr、LiI、LiBF4、LiPF6、LiSCN、LiClO4、LiCF3SO3、Li(CF3SO2)2N、Li(C2F5SO2)2N、Li(CF3SO2)3C、K(CF3SO2)2N或Mg((CF3SO2)2N)2之金屬鹽。這些鹼金屬鹽可單獨使用或以兩種或多於兩種之混合物的形式使用。相對於100重量份之聚有機矽氧烷,可以50至150重量份、60至140重量份、70至130重量份或80至120重量份之量包含金屬鹽,但不限於此。
包含於根據本申請案之保護膜中之金屬鹽可藉由用於降低剝離界面之表面阻力而使靜電降至最低。然而,對於具有低表面能之偏光板而言,習知地用作抗靜電劑之聚二甲基矽氧烷具有轉移不藉由隨附金屬鹽來達成之問題。亦即,當偏光板之表面能較低時,雖然金屬鹽轉移地不佳,但聚二甲基矽氧烷仍易於轉移至疏水性表面上,且因此表面阻力增加且所產生靜電之量亦增加。
然而,根據本發明之式1之聚有機矽氧烷可藉由與金屬鹽形成螯合劑而易於與金屬鹽一起轉移至剝離界面上,且因此降低黏著體之表面阻力,以使所產生靜電之量減至最少。聚有機矽氧烷可具有至少一種環氧烷,其中環氧烷與親水性金屬鹽形成螯合劑,且因此聚有機矽氧烷及金屬鹽可易於一起轉移至剝離界面上。在本說明書中,術語剝離界面可意謂壓敏黏著劑層之表面及塗覆有保護膜之偏光片的表面。
除非另外規定,否則在本文中的術語烷基可意謂具有1至20個碳原子、1至16個碳原子、1至12個碳原子、1至8個碳原子或1至4個碳原子之直鏈或分支鏈烷基;或具有3至20個碳原
子、3至16個碳原子或4至12個碳原子之環烷基。烷基可視情況經一或多個取代基取代。
除非另外規定,否則在本文中的術語烷氧基可意謂具有1至8個碳原子或1至4個碳原子之烷氧基。烷氧基可為直鏈、分支鏈或環狀的。另外,烷氧基可視情況經一或多個取代基取代。
另外,除非另外規定,否則在本文中的烯基可意謂具有2至20個碳原子、2至16個碳原子、2至12個碳原子、2至8個碳原子或2至4個碳原子之烯基。烯基可為直鏈、分支鏈或環狀的。同樣地,烯基可視情況經一或多個取代基取代。
此外,除非另外規定,否則在本文中的炔基可意謂具有2至20個碳原子、2至16個碳原子、2至12個碳原子、2至8個碳原子或2至4個碳原子之炔基。
在本申請案之一實施例中,聚有機矽氧烷之重量平均分子量不受特定限制,但較佳可為300至100,000。在一個實例中,分子量可為例如400至90,000、400至80,000、500至70,000、1,000至60,000、5,000至50,000或10,000至30,000。在本申請案中,術語重量平均分子量意謂藉由GPC(凝膠滲透層析儀)量測之標準聚苯乙烯的轉化值。
在一個實例中,本申請案之壓敏黏著劑層可包括壓敏黏著劑基本樹脂。壓敏黏著劑基本樹脂可包括(甲基)丙烯酸酯單體作為聚合單元。本申請案之壓敏黏著劑層包括80至99.8重量份、82至99.5重量份、84至99重量份、86至97重量份或87至95重量份的壓敏黏著劑基本樹脂;以及0.01至10重量份、0.01至8重量份、0.05至7重量份、0.08至6重量份、0.1至5重量份、0.1至
3重量份、0.1至1.5重量份、0.2至1重量份、0.3至0.9重量份或0.3至0.8重量份的聚有機矽氧烷。或者,相對於100重量份之壓敏黏著劑基本樹脂,本申請案之壓敏黏著劑層可包括0.01至10重量份或0.01至0.9重量份的聚有機矽氧烷。在本申請案中,單位「重量份」意謂各別組分之間的重量比。藉由調節如上文所描述之樹脂及聚有機矽氧烷的重量比,可有效地維持壓敏黏著劑層之諸如初始黏著性、耐久性以及剝離力的物理特性。
在一個實例中,(甲基)丙烯酸酯單體可為(甲基)丙烯酸烷基酯。舉例而言,(甲基)丙烯酸酯單體可為由以下所構成的族群中選出之至少一者:(甲基)丙烯酸甲酯、(甲基)丙烯酸乙酯、(甲基)丙烯酸正丙酯、(甲基)丙烯酸異丙酯、(甲基)丙烯酸正丁酯、(甲基)丙烯酸第三丁酯、(甲基)丙烯酸第二丁酯、(甲基)丙烯酸戊酯、(甲基)丙烯酸2-乙基己酯、(甲基)丙烯酸2-乙基丁酯、(甲基)丙烯酸正辛酯、(甲基)丙烯酸異辛酯、(甲基)丙烯酸異壬酯、(甲基)丙烯酸月桂酯以及(甲基)丙烯酸十四酯,但不限於此。
此外,本申請案之壓敏黏著劑基本樹脂可更包括衍生自具有可交聯官能基之可共聚合單體的聚合單元。在一個實例中,具有可交聯官能基之可共聚合單體可為由以下所構成的族群中選出之至少一者:含羥基共聚單體、含羧基共聚單體以及含氮共聚單體。舉例而言,含羥基共聚單體可為(甲基)丙烯酸2-羥基乙酯。此處,相對於100重量份之壓敏黏著劑基本樹脂,可以0.01至14重量份、0.5至14重量份、1至13重量份、1.5至12重量份、1.5至11重量份、1.8至9重量份或1.9至8重量份之量包含具有可交聯官能基之可共聚合單體。藉由將具有可交聯官能基之可共聚合單
體控制在上文範圍內,基本樹脂之儲存穩定性可受到保護。具體言之,為了實現保護膜之低剝離力,存在一種增加交聯之方法,對此可使用大量含可交聯官能基之單體。然而,為了實現低剝離力,當以大於14重量份之量包含具有可交聯官能基之可共聚合單體時,基本樹脂之儲存穩定性及聚合穩定性可能退化。
在本申請案之一實施例中,壓敏黏著劑層可更包括使壓敏黏著劑基本樹脂交聯之多官能交聯劑。作為多官能交聯劑,可使用異氰酸酯化合物、環氧化合物、氮丙啶化合物及金屬螯合劑化合物以及其類似物,且考慮到含於樹脂中之可交聯官能基的種類,可適當選擇一種或兩種或多於兩種交聯劑。異氰酸酯化合物為二異氰酸伸甲苯基酯、二甲苯二異氰酸酯、二苯基甲烷二異氰酸酯、六亞甲二異氰酸酯、異佛酮二異氰酸酯、四甲基二甲苯二異氰酸酯或萘二異氰酸酯,但可使用上文異氰酸酯化合物中之至少一者與多元醇之加成反應產物及其類似物,其中可使用三羥甲基丙烷或其類似物作為多元醇。另外,作為環氧化合物,可使用乙二醇二縮水甘油醚、三縮水甘油醚、三羥甲基丙烷三縮水甘油醚、N,N,N',N'-四縮水甘油基乙二胺或甘油二縮水甘油醚以及其類似物中之一者或兩者或多於兩者,且作為氮丙啶化合物,可使用N,N'-甲苯-2,4-雙(1-氮丙啶甲醯胺)、N,N'-二苯基甲烷-4,4'-雙(1-氮丙啶甲醯胺)、三伸乙基三聚氰胺、二間苯二醯-1-(2-甲基氮丙啶)(bisisoprothaloyl-1-(2-methyl aziridine))或三-1-氮丙啶基膦氧化物以及其類似物中之一者或兩者或多於兩者。此外,作為金屬螯合劑化合物,可使用多價金屬以協調鍵結至乙醯丙酮、乙酸乙酯或其類似物之狀態存在的化合物,其中多價金屬之種類為鋁、鐵、鋅、錫、
鈦、銻、鎂或釩以及其類似金屬。
在一個實例中,多官能交聯劑可為脂族直鏈多價NCO與脂族環狀多價NCO之混合物。舉例而言,脂族直鏈多價NCO可包含六亞甲二異氰酸酯,且脂族環狀多價NCO可包含異佛酮二異氰酸酯。脂族直鏈多價NCO及脂族環狀多價NCO可以6:4至9:1之重量比混合以形成混合物,且混合物可包括8至20重量%的NCO。同時,在本文中的NCO可意謂異氰酸酯基。
相對於100重量份之壓敏黏著劑基本樹脂,多官能交聯劑可以0.01至20重量份、0.1至18重量份、0.5至15重量份、1.5至10重量份、2至8重量份、2.5至5.5重量份或2.5至5.3重量份之量包含於壓敏黏著劑層中。為了實現保護膜之低剝離力,存在一種如上文所描述的增加交聯之方法,對此必須使用過量的交聯劑。然而,當使用過量交聯劑時,可能存在壓敏黏著劑層之塗佈液體之適用期延長的問題。根據本發明之壓敏黏著劑層可藉由將多官能交聯劑之含量限於20重量份或小於20重量份、14重量份或小於14重量份或10重量份或小於10重量份來改良壓敏黏著劑層之適用期。
另外,本申請案之壓敏黏著劑層可更包括固化阻滯劑。固化阻滯劑可包括以下群組中之至少一者:β-酮酯,諸如乙醯乙酸甲酯、乙醯乙酸乙酯、乙醯乙酸辛酯、乙醯乙酸油酯、乙醯乙酸月桂酯或乙醯乙酸硬脂醯酯;或β-二酮,諸如乙醯丙酮、2,4-己二酮或苯甲醯丙酮。相對於100重量份之壓敏黏著劑基本樹脂,可以0.1至20重量份或1至10重量份之量包含固化阻滯劑。
除上述組分以外,本申請案之壓敏黏著劑層可更包括以
下群組中之一者或兩者或多於兩者:添加劑,諸如矽烷偶合劑;增黏劑;環氧樹脂;紫外穩定劑;抗氧化劑;調色劑;增強劑;填充劑;消泡劑;界面活性劑;催化劑;或塑化劑。
在一個實例中,保護膜可更包括基底材料層,且壓敏黏著劑層可在基底材料層之一側上形成。基底材料層可包括單一組分聚合物,諸如聚酯類聚合物、聚烯烴類聚合物、降冰片烯類聚合物、聚碳酸酯、聚醚碸或聚芳酯、共聚合的聚合物或環氧化物類聚合物。基底材料層之厚度不受特定限制,但一般為約20至300微米,較佳為30至200微米。
在本申請案之一實施例中,保護膜可塗覆至表面能為15毫牛/公尺至40毫牛/公尺之黏著體。具體言之,保護膜之壓敏黏著劑層可塗覆至具有低表面能之黏著體,且本申請案可藉由使靜電之量減至最少來提供具有高可靠性的保護膜,即使當其塗覆至特殊黏著體時亦如此。表面能(γ表面,毫牛/公尺)可按γ表面=γ色散+γ極性的公式來計算。表面能可為藉由已知量測方法量測的值。在一個實例中,表面能可使用液滴形狀分析儀(Drop Shape Analyzer)(來自KRUSS之DSA100產品)量測。舉例而言,測定一目標之表面能,其藉由重複滴加表面張力為已知之去離子水之過程,且獲得五次其接觸角以獲得所得五個接觸角值之平均值來量測,且同樣地藉由重複滴加表面張力為已知之二碘甲烷之過程,且獲得五次其接觸角以獲得所得五個接觸角值之平均值來量測。隨後,可藉由歐文斯-萬特-拉貝爾-凱博方法(Owens-Wendt-Rabel-Kaelble method)使用去離子水及二碘甲烷之所得接觸角平均值,來取代與溶劑之表面張力相關之值(斯特羅姆值(Strom value)),以獲得表面能。
本申請案亦關於一種偏光板。例示性偏光板可包括上述保護膜。在一個實例中,偏光板可包括至少一個偏光片及在偏光片之一個表面上形成之保護膜。此外,在本申請案之一實施例中,偏光板可更包括塗層,所述塗層在偏光片之一個表面上形成且其表面能為15毫牛/公尺至40毫牛/公尺、20毫牛/公尺至35毫牛/公尺或25毫牛/公尺至30毫牛/公尺,其中保護膜可在塗層上形成。塗層可為額外功能層,且其種類不受限制。在一個實例中,塗層可為低反射層或防眩光層。具有保護膜之偏光板可應用於所有常見之液晶顯示裝置,且液晶面板之種類不受特定限制。舉例而言,可對包括保護膜鍵結至液晶單元之一個表面或兩個表面之液晶面板的液晶顯示裝置進行組態。
根據本申請案之保護膜可使可在自黏著體剝離保護膜時產生之靜電之量減至最少。
在下文中,將藉助於根據本申請案之實例及不遵照本申請案之比較實例更詳細地描述本申請案,但本申請案之範圍不受以下實例限制。
將丙烯酸2-乙基己酯(2-EHA)及丙烯酸2-羥基乙酯(2-HEA)以98:2(2-EHA:2-HEA)之重量比共聚於乙酸乙酯中,以獲得丙烯酸共聚物溶液。
隨後,相對於100重量份(固體含量)之丙烯酸共聚物,
將作為異氰酸酯交聯劑之5重量份HMDI/IPDI(六亞甲二異氰酸酯/異佛酮二異氰酸酯)(=8/2重量比(NCO%:16重量%))、作為固化阻滯劑之7重量份乙醯丙酮、作為式1之聚有機矽氧烷的環氧乙烷在R5位置處鍵結的0.5重量份聚二甲基矽氧烷(重量平均分子量:20,000)以及作為金屬鹽之0.5重量份Li(CF3SO2)2N混合,以獲得壓敏黏著劑組成物。
將壓敏黏著劑組成物塗佈在A4300 PET(東洋紡株式會社(Toyobo Co.,Ltd.))之一側上(厚度:100微米),且在乾燥之後形成厚度為15微米之透明壓敏黏著劑層。在乾燥之後立即覆蓋脫離膜且在40℃下老化4天。
除了K(CF3SO2)2N用作金屬鹽以外,以與實例1相同之方式製備保護膜。
除了Mg((CF3SO2)2N)2用作金屬鹽以外,以與實例1相同之方式製備保護膜。
除了引入1重量份的式1之聚有機矽氧烷以外,以與實例1相同之方式製備保護膜。
除了不添加式1之聚有機矽氧烷以外,以與實例1相同之方式製備保護膜。
除了使用聚二甲基矽氧烷替代式1之聚有機矽氧烷以外,以與實例1相同之方式製備保護膜。
除了使用銨鹽((n-C4H9)3(CH3)N+ -N(SO2CF3)2)而非金屬鹽來作為抗靜電劑以外,以與實例1相同之方式製備保護膜。
將實例及比較實例中所製備之保護膜之壓敏黏著劑層層壓至防眩光偏光板(TAC(三乙醯基纖維素膜)膜層/PVA(聚乙烯醇)層/TAC膜層)的防眩光層,所述偏光板之表面能在15毫牛/公尺至40毫牛/公尺範圍內,且隨後藉由將偏光板裁剪成A4大小且將層壓有保護膜之偏光板之相對側經由雙面膠帶固定至底表面來製備樣品。使用來自日本西西蒂公司(SHISHIDO Co.)之STATIRON DZ-4型號作為靜電儀進行量測,其中離樣品之量測距離固定在3cm處。在以30公尺/分鐘之剝離速度及180°之剝離角剝離保護膜的同時,量測待產生之靜電。在量測時,其可經測定在0.5千伏或大於0.5千伏的情況下較差且在小於0.5千伏的情況下良好。
以與實驗實例1相同之方式將實例及比較實例中所製備之保護膜層壓至防眩光偏光板,且其隨後在50℃下保持至少一天,且將黑色膠帶層壓至層壓有保護膜之偏光板的相對側,以確保污染特性評估之可視性。隨後,藉由自偏光板反覆剝離保護膜且將該保護膜附著至其上,人工夾帶氣泡且隨後使其在室溫下靜置至少
一天。使含有氣泡之保護膜經歷50℃下熱處理3小時,且隨後以視覺觀測污染。若用肉眼觀測不到氣泡標記,則藉由表示O將其分級,且若用肉眼觀測到氣泡標記,則藉由表示X將其分級。
在比較實例1中,不添加聚有機矽氧烷,且在比較實例2中在無任何環氧烷官能基之情況下添加聚二甲基矽氧烷,且因此作為量測比較實例1及2之靜電之結果,如將其與各實例相比較,其產生三倍或大於三倍的靜電。同樣地,作為在包含有機鹽而非金屬鹽之比較實例3的情況下量測靜電之結果,如將其與各實例相比較,其產生兩倍或大於兩倍的靜電。
Claims (16)
- 一種保護膜,具有包括符合下式1之聚有機矽氧烷及金屬鹽之壓敏黏著劑層:其中,n為在0至1500範圍內之任何數字,R1至R8彼此相同或不同且各自獨立地為氫、C1-C30烷基、C1-C8烷氧基、C2-C20烯基、C2-C20炔基或環氧C2-10烷,且R1至R8中之至少一者為環氧C2-10烷,其中:相對於100重量份之所述聚有機矽氧烷,以50至150重量份之量包括所述金屬鹽;所述金屬鹽包括鹼金屬或鹼土金屬;所述金屬鹽與所述聚有機矽氧烷形成螯合劑;且所述聚有機矽氧烷之重量平均分子量為10,000至100,000。
- 如申請專利範圍第1項所述的保護膜,其中所述金屬鹽包括LiBr、LiI、LiBF4、LiPF6、LiSCN、LiClO4、LiCF3SO3、Li(CF3SO2)2N、Li(C2F5SO2)2N、Li(CF3SO2)3C、K(CF3SO2)2N)2或Mg((CF3SO2)2N)2。
- 如申請專利範圍第1項所述的保護膜,其中所述壓敏黏著劑層更包括壓敏黏著劑基本樹脂,所述壓敏黏著劑基本樹脂包括作為聚合單元的(甲基)丙烯酸酯單體。
- 如申請專利範圍第3項所述的保護膜,其中分別以80至99.8重量份及0.01至10重量份之量包括所述壓敏黏著劑基本樹脂及所述聚有機矽氧烷。
- 如申請專利範圍第3項所述的保護膜,其中所述壓敏黏著劑基本樹脂更包括衍生自具有可交聯官能基之可共聚合單體的聚合單元。
- 如申請專利範圍第5項所述的保護膜,其中所述具有可交聯官能基之可共聚合單體為由以下所構成的族群中選出之至少一者:含羥基共聚單體、含羧基共聚單體以及含氮共聚單體。
- 如申請專利範圍第5項所述的保護膜,其中相對於100重量份之所述壓敏黏著劑基本樹脂,以0.01至14重量份之量包括所述具有可交聯官能基之可共聚合單體。
- 如申請專利範圍第3項所述的保護膜,其中所述壓敏黏著劑層更包括使所述壓敏黏著劑基本樹脂交聯之多官能交聯劑。
- 如申請專利範圍第8項所述的保護膜,其中所述多官能交聯劑為由以下所構成的族群中選出之至少一者:異氰酸酯化合物、環氧化合物、氮丙啶化合物以及金屬螯合劑化合物。
- 如申請專利範圍第8項所述的保護膜,其中所述多官能交聯劑為脂族直鏈多價NCO與脂族環狀多價NCO之混合物。
- 如申請專利範圍第8項所述的保護膜,其中相對於100重量份之所述壓敏黏著劑基本樹脂,所述多官能交聯劑以0.01至20重量份之量包括於所述壓敏黏著劑層中。
- 如申請專利範圍第1項所述的保護膜,其中所述壓敏黏著劑層更包括固化阻滯劑。
- 如申請專利範圍第1項所述的保護膜,更包括基底材料層,其中所述壓敏黏著劑層在所述基底材料層之一個表面上形成。
- 如申請專利範圍第1項所述的保護膜,其塗覆至表面能為15毫牛/公尺至40毫牛/公尺之黏著體。
- 一種偏光板,包括偏光片及在所述偏光片之一個表面上形成之如申請專利範圍第1項所述的保護膜。
- 如申請專利範圍第15項所述的偏光板,更包括塗層,所述塗層在所述偏光片之一個表面上形成,且所述塗層的表面能為15毫牛/公尺至40毫牛/公尺,其中所述保護膜在所述塗層上形成。
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| WO2020090196A1 (ja) * | 2018-11-01 | 2020-05-07 | 日東電工株式会社 | 粘着剤層付偏光板 |
| KR102323030B1 (ko) * | 2019-08-05 | 2021-11-09 | 주식회사 엘지화학 | 점착 필름, 이의 제조 방법 및 이를 포함하는 폴더블 디스플레이 장치 |
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| TWI340161B (en) | 2005-01-19 | 2011-04-11 | Lg Chemical Ltd | Acrylic pressure-sensitive adhesive composition with good re-workability,adhesive sheet,and method of preparing the sheet |
| KR101019062B1 (ko) | 2007-01-19 | 2011-03-07 | 주식회사 엘지화학 | 아크릴계 점착제 조성물 |
| CN102083932B (zh) * | 2008-07-01 | 2014-08-20 | Lg化学株式会社 | 用于光学元件的丙烯酸组合物,用于光学元件的保护膜,偏光片和液晶显示器 |
| JP5623020B2 (ja) * | 2009-02-27 | 2014-11-12 | 日東電工株式会社 | 粘着剤組成物、粘着剤層、及び、粘着シート |
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| CN108779380B (zh) | 2021-07-23 |
| KR102040463B1 (ko) | 2019-11-05 |
| US20190119537A1 (en) | 2019-04-25 |
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| CN108779380A (zh) | 2018-11-09 |
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| JP2019513849A (ja) | 2019-05-30 |
| JP6716148B2 (ja) | 2020-07-01 |
| EP3425015A2 (en) | 2019-01-09 |
| US12234388B2 (en) | 2025-02-25 |
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