CN112898780A - 具阻水气特性的硅胶薄膜 - Google Patents
具阻水气特性的硅胶薄膜 Download PDFInfo
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- CN112898780A CN112898780A CN201911305926.0A CN201911305926A CN112898780A CN 112898780 A CN112898780 A CN 112898780A CN 201911305926 A CN201911305926 A CN 201911305926A CN 112898780 A CN112898780 A CN 112898780A
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- moisture
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- sio
- silica gel
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 61
- 239000000741 silica gel Substances 0.000 title claims abstract description 61
- 108010025899 gelatin film Proteins 0.000 title claims abstract description 44
- 230000000903 blocking effect Effects 0.000 title claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 23
- 229920002050 silicone resin Polymers 0.000 claims abstract description 44
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 36
- -1 polysiloxane Polymers 0.000 claims abstract description 30
- 239000000178 monomer Substances 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 17
- 239000011342 resin composition Substances 0.000 claims abstract description 16
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 229910020447 SiO2/2 Inorganic materials 0.000 claims abstract description 12
- 229910020487 SiO3/2 Inorganic materials 0.000 claims abstract description 12
- 239000001257 hydrogen Substances 0.000 claims abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920006268 silicone film Polymers 0.000 claims description 35
- 125000003118 aryl group Chemical group 0.000 claims description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 26
- 229910052710 silicon Inorganic materials 0.000 claims description 24
- 125000003342 alkenyl group Chemical group 0.000 claims description 21
- 125000000217 alkyl group Chemical group 0.000 claims description 21
- 239000011247 coating layer Substances 0.000 claims description 17
- 229910020388 SiO1/2 Inorganic materials 0.000 claims description 12
- 239000010445 mica Substances 0.000 claims description 12
- 229910052618 mica group Inorganic materials 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 12
- 238000000231 atomic layer deposition Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 125000000524 functional group Chemical group 0.000 claims description 9
- 239000011256 inorganic filler Substances 0.000 claims description 9
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 8
- 238000004544 sputter deposition Methods 0.000 claims description 8
- 229910021485 fumed silica Inorganic materials 0.000 claims description 7
- 230000035515 penetration Effects 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 238000002834 transmittance Methods 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 5
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 5
- 239000003112 inhibitor Substances 0.000 claims description 5
- 101001068052 Homo sapiens Lysine-specific demethylase hairless Proteins 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 102000053615 human HR Human genes 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- FUFJGUQYACFECW-UHFFFAOYSA-L calcium hydrogenphosphate Chemical compound [Ca+2].OP([O-])([O-])=O FUFJGUQYACFECW-UHFFFAOYSA-L 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 235000019700 dicalcium phosphate Nutrition 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000013008 thixotropic agent Substances 0.000 claims description 3
- 229910052582 BN Inorganic materials 0.000 claims description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 2
- 229920005989 resin Polymers 0.000 abstract description 3
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- 238000006243 chemical reaction Methods 0.000 description 45
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 17
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- 150000001875 compounds Chemical class 0.000 description 13
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 13
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 12
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- 229940125898 compound 5 Drugs 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 229940125904 compound 1 Drugs 0.000 description 8
- 239000008367 deionised water Substances 0.000 description 8
- 229910021641 deionized water Inorganic materials 0.000 description 8
- 239000012044 organic layer Substances 0.000 description 8
- 229920000139 polyethylene terephthalate Polymers 0.000 description 8
- 239000005020 polyethylene terephthalate Substances 0.000 description 8
- FSIJKGMIQTVTNP-UHFFFAOYSA-N bis(ethenyl)-methyl-trimethylsilyloxysilane Chemical compound C[Si](C)(C)O[Si](C)(C=C)C=C FSIJKGMIQTVTNP-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
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- 230000000052 comparative effect Effects 0.000 description 6
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- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- JJQZDUKDJDQPMQ-UHFFFAOYSA-N dimethoxy(dimethyl)silane Chemical compound CO[Si](C)(C)OC JJQZDUKDJDQPMQ-UHFFFAOYSA-N 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 229920002554 vinyl polymer Polymers 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 4
- 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 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- ZLNAFSPCNATQPQ-UHFFFAOYSA-N ethenyl-dimethoxy-methylsilane Chemical compound CO[Si](C)(OC)C=C ZLNAFSPCNATQPQ-UHFFFAOYSA-N 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 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 4
- 230000007062 hydrolysis Effects 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 125000001624 naphthyl group Chemical group 0.000 description 4
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- 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 4
- 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 4
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 4
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 4
- 125000003944 tolyl group Chemical group 0.000 description 4
- 125000005023 xylyl group Chemical group 0.000 description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 3
- 108010009736 Protein Hydrolysates Proteins 0.000 description 3
- 125000004369 butenyl group Chemical group C(=CCC)* 0.000 description 3
- 125000006038 hexenyl group Chemical group 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000005022 packaging material Substances 0.000 description 3
- 125000002255 pentenyl group Chemical group C(=CCCC)* 0.000 description 3
- 150000003058 platinum compounds Chemical class 0.000 description 3
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- QYLFHLNFIHBCPR-UHFFFAOYSA-N 1-ethynylcyclohexan-1-ol Chemical compound C#CC1(O)CCCCC1 QYLFHLNFIHBCPR-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229910020427 K2PtCl4 Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011112 polyethylene naphthalate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
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- 239000002096 quantum dot Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
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- 230000003746 surface roughness Effects 0.000 description 2
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- KWEKXPWNFQBJAY-UHFFFAOYSA-N (dimethyl-$l^{3}-silanyl)oxy-dimethylsilicon Chemical compound C[Si](C)O[Si](C)C KWEKXPWNFQBJAY-UHFFFAOYSA-N 0.000 description 1
- OZQCPCIPUROUMJ-UHFFFAOYSA-N C1(=CC=CC=C1)CO[Si](OC)(C)C Chemical compound C1(=CC=CC=C1)CO[Si](OC)(C)C OZQCPCIPUROUMJ-UHFFFAOYSA-N 0.000 description 1
- 229910002621 H2PtCl6 Inorganic materials 0.000 description 1
- 229910020437 K2PtCl6 Inorganic materials 0.000 description 1
- 229910019020 PtO2 Inorganic materials 0.000 description 1
- 229910002808 Si–O–Si Inorganic materials 0.000 description 1
- YKIOKAURTKXMSB-UHFFFAOYSA-N adams's catalyst Chemical compound O=[Pt]=O YKIOKAURTKXMSB-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
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- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- NZASVZMQNPQTOJ-UHFFFAOYSA-N benzhydryl(trimethyl)silane Chemical compound C=1C=CC=CC=1C([Si](C)(C)C)C1=CC=CC=C1 NZASVZMQNPQTOJ-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
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- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- AHUXYBVKTIBBJW-UHFFFAOYSA-N dimethoxy(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](OC)(OC)C1=CC=CC=C1 AHUXYBVKTIBBJW-UHFFFAOYSA-N 0.000 description 1
- CVQVSVBUMVSJES-UHFFFAOYSA-N dimethoxy-methyl-phenylsilane Chemical compound CO[Si](C)(OC)C1=CC=CC=C1 CVQVSVBUMVSJES-UHFFFAOYSA-N 0.000 description 1
- BPXCAJONOPIXJI-UHFFFAOYSA-N dimethyl-di(propan-2-yloxy)silane Chemical compound CC(C)O[Si](C)(C)OC(C)C BPXCAJONOPIXJI-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000413 hydrolysate Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- XXTPQJHSSCPXON-UHFFFAOYSA-N methoxy-dimethyl-propan-2-yloxysilane Chemical compound CO[Si](C)(C)OC(C)C XXTPQJHSSCPXON-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- IFYYERYAOQBKQI-UHFFFAOYSA-N octanal;platinum Chemical compound [Pt].CCCCCCCC=O IFYYERYAOQBKQI-UHFFFAOYSA-N 0.000 description 1
- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical compound C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 description 1
- FWFGVMYFCODZRD-UHFFFAOYSA-N oxidanium;hydrogen sulfate Chemical compound O.OS(O)(=O)=O FWFGVMYFCODZRD-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- PIZSEPSUZMIOQF-UHFFFAOYSA-N platinum;2,4,6,8-tetrakis(ethenyl)-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane Chemical compound [Pt].C=C[Si]1(C)O[Si](C)(C=C)O[Si](C)(C=C)O[Si](C)(C=C)O1 PIZSEPSUZMIOQF-UHFFFAOYSA-N 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000307 polymer substrate Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- UHUUYVZLXJHWDV-UHFFFAOYSA-N trimethyl(methylsilyloxy)silane Chemical compound C[SiH2]O[Si](C)(C)C UHUUYVZLXJHWDV-UHFFFAOYSA-N 0.000 description 1
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
- C08G77/18—Polysiloxanes containing silicon bound to oxygen-containing groups to alkoxy or aryloxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/048—Forming gas barrier coatings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
-
- 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
- C08K3/32—Phosphorus-containing compounds
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- 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
- C08K3/38—Boron-containing compounds
-
- 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
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Abstract
本发明公开了一种具阻水气特性的硅胶薄膜,其是经由固化一可固化硅树脂组成物而形成,其中该可固化硅树脂组成物包含10至25重量份的线性聚硅氧烷;40至55重量份的一第一硅树脂,其中用于表示第一硅树脂的平均单元结构式至少具有R1SiO3/2单体以及R2 2SiO2/2单体,且该R1SiO3/2单体于平均单元结构式中所占的摩尔分率是介于0.60至0.75;15至30重量份的一第二硅树脂;15至25重量份的含硅氢键之聚硅氧烷;10至40重量份的微层片以及一铂族金属是催化剂。
Description
技术领域
本发明是关于耐弯折的具阻水气特性的硅胶薄膜,其可用以封装光学半导体装置,尤其是是关于一种可应用于发光二极管LED(Light Emitting Diode)之封装的硅胶薄膜。
背景技术
相较于传统照明,发光二极管(Light Emitting Diode,LED)具有体积小、发光效率高、寿命长、安全性高、操作反应时间快、色彩丰富、无热辐射及无水银等有毒物质污染的优点,因此目前正迅速地蓬勃发展。其应用面相当多元,例如建筑照明、消费式手持照明、零售展示照明、居住用照明等等。
一般的LED封装结构中包含支架、设置于支架上的LED芯片以及封装胶。因硅胶具有良好的耐热、耐光等特性,在现有技术中常使用硅胶做为LED的封装材料。然而,因硅胶中的Si-O-Si键角较大,因此硅胶薄膜的阻水气特性较差,容易使LED中的荧光粉或量子点(Quantum dot)因受潮而导致颜色发生变化或光衰退。虽已知可利用增加硅胶之交联密度或添加纳米粒子来增加硅胶之阻水气特性,但前述方法对于阻气性的提升效果相当有限。此外,因硅胶之热膨胀系数(CTE)较大,在进行无机薄膜的溅镀制程中会产生较大的热应力,而不容易在硅胶表面得到致密平整的无机薄膜,故并不建议在硅胶上溅镀无机薄膜来提升硅胶的阻水气性。
现有的阻气膜结构是以聚乙烯对苯二甲酸酯(PET)或聚萘二甲酸乙二醇酯(PEN)等具有较佳阻水气特性的高分子材料做为基板,再利用原子层沉积法制备氧化铝薄膜于高分子基板上而形成。然而因聚乙烯对苯二甲酸酯(PET)或聚萘二甲酸乙二醇酯(PEN)其柔软性及可塑性皆不足以被应用于高端LED产品中的的芯片级封装制程(Chip Scale Package,CSP)。
因此,仍需要一种新颖的具阻水气特性的硅胶薄膜,除了可以提供足够的阻水气特性,具有高加工性可应用于LED封装制程且仍能维持做为LED封装材料所需的光学性质。
发明内容
为达上述目的,本发明提供一种具阻水气特性的硅胶薄膜,其可用以封装光学半导体装置,尤其是是关于一种可应用于发光二极管LED(Light Emitting Diode)之封装的硅胶薄膜。
具阻水气特性的硅胶薄膜,其是经由固化一可固化硅树脂组成物而形成,前述可固化硅树脂组成物包含:10至25重量份的一线性聚硅氧烷,其平均单元结构式至少具有一个与硅原子键结之芳基与二个与硅原子键结之烯基;40至55重量份的一第一硅树脂,其平均单元结构式至少具有R1SiO3/2单体以及R2 2SiO2/2单体,其中R1及R2为经取代的或未取代之烷基、经取代的或未取代之烯基或经取代的或未取代之芳基,且在此平均单元结构式中,前述R1SiO3/2单体所占的摩尔分率是介于0.60至0.75之间,硅原子键结之烯基相对于所有与硅键结之官能基之摩尔数比值为0.03至0.15;15至30重量份的一第二硅树脂,其平均单元结构式至少具有R3SiO3/2以及R43SiO1/2之单体,其中R3及R4为经取代的或未取代之烷基、经取代的或未取代之烯基或经取代的或未取代之芳基;15至25重量份的至少一含硅氢键之聚硅氧烷,其化学结构式为:HR5 2SiO(SiR6 2O)nSiR5 2H,其中R5为经取代的或未取代的烷基或氢原子,R6为经取代或未取代的芳基或经取代的或未取代的烷基,n为大于等于0之整数;10至40重量份的微层片(microsheet);以及一铂族金属系催化剂,其中,此具阻水气特性的硅胶薄膜之水气穿透率(WVTR)小于40gm-2day-1,可见光穿透率大于92%且雾度小于4%。
根据本发明之一实施方式,前述微层片之一长径比是介于10至200之间,前述微层片之一长度是介于0.1微米(μm)至25微米(μm)之间。
根据本发明之一实施方式,前述微层片可以是云母、黏土、层状双氢氧化合物、磷酸氢钙之至少之一或其组合。
根据本发明之一实施方式,此具阻水气特性的硅胶薄膜之25℃-50℃热膨胀系数(CTE)是介于20ppm至60ppm之间,80℃-100℃热膨胀系数(CTE)是介于50ppm至150ppm之间,且中心线平均粗糙度(Ra)是介于0.01微米(μm)至0.15微米(μm)间。
根据本发明之另一实施方式,前述可固化硅树脂成物可选择性地进一步包括接着剂、抑制剂、触变剂、抗沉降剂、无机填料、荧光粉或其组合。
根据本发明之一实施方式,于前述可固化硅树脂成物中的无机填料包括一气相二氧化硅。
根据本发明之又一实施方式,前述具阻水气特性的硅胶薄膜可选择性地更包括一无机镀膜层,其位于前述具阻水气特性的硅胶薄膜之一表面上。
根据本发明之一实施方式,前述无机镀膜层是通过溅镀法(Sputter Deposition)或原子层沉积法(Atomic Layer Deposition,ALD)形成于前述具阻水气特性的硅胶薄膜之一表面上。
根据本发明之又一实施方式,前述无机镀膜层之厚度是介于10纳米(nm)至300纳米(nm)之间。
根据本发明之又一实施方式,前述无机镀膜层包括二氧化硅(SiO2)、三氧化二铝(Al2O3)或二氧化铪(HfO2)。
根据本发明之又一实施方式,前述具阻水气特性的硅胶薄膜之水气穿透率(WVTR)小于0.5gm-2day-1。
本发明另提出一种光学半导体装置,其中此光学半导体装置是由前述具阻水气特性的硅胶薄膜封装而成。
具体实施方式
为了使本发明公开内容的叙述更加详细与完备,下文针对本发明的实施方案与具体实施例进行了说明性的描述;但这并非是实施或运用本发明具体实施例的唯一形式。以下所揭露的各中实施例,在有益的情形下可相互组合或取代,也可在一种实施例中附加其他的实施例,而无须进一步的记载或说明。
本发明之优点、特征以及达到之技术方法将参照例示性实施例进行更详细地描述而更容易理解,且本发明或可以不同形式来实现,故不应被理解仅限于此处所陈述的实施例,相反地,对所属技术领域具有通常知识者而言,所提供的实施例将使本揭露更加透彻与全面且完整地传达本发明的范畴,且本发明将仅为所附加的申请专利范围所定义。
而除非另外定义,所有使用于后文的术语(包含科技及科学术语)与专有名词,于实质上是与本发明所属该领域的技术人士一般所理解之意思相同,而例如于一般所使用的字典所定义的那些术语应被理解为具有与相关领域的内容一致的意思,且除非明显地定义于后文,将不以过度理想化或过度正式的意思理解。
本发明提出之具阻水气特性的硅胶薄膜,其是经由固化一可固化硅树脂组成物而成,其中该可固化硅树脂组成物包含:10至25重量份的一线性聚硅氧烷,其平均单元结构式至少具有一个与硅原子键结之芳基与二个与硅原子键结之烯基;40至55重量份的一第一硅树脂,其平均单元结构式至少具有R1SiO3/2单体以及R2 2SiO2/2单体,其中R1及R2为经取代的或未取代之烷基、经取代的或未取代之烯基或经取代的或未取代之芳基,且在此平均单元结构式中,前述R1SiO3/2单体所占的摩尔分率是介于0.60至0.75之间,硅原子键结之烯基相对于所有与硅键结之官能基之摩尔数比值为0.03至0.15;15至30重量份的一第二硅树脂,其平均单元结构式至少具有R3SiO3/2以及R43SiO1/2之单体,其中R3及R4为经取代的或未取代之烷基、经取代的或未取代之烯基或经取代的或未取代之芳基;15至25重量份的至少一含硅氢键之聚硅氧烷,其化学结构式为:HR5 2SiO(SiR6 2O)nSiR5 2H,其中R5为经取代的或未取代的烷基或氢原子,R6为经取代或未取代的芳基或经取代的或未取代的烷基,n为大于等于0之整数;10至40重量份的微层片(microsheet);以及一铂族金属是催化剂。
于本发明之具阻水气特性的硅胶薄膜的可固化硅树脂组成物中,通过添加特定比例的微层片来提升硅胶薄膜的阻水气特性,且仍能维持高可见光穿透率以及低雾度等做为LED封装材料所需的光学性质以及必要之加工性。
在本发明之一实施例中,适合之微层片可以例如是云母、黏土、层状双氢氧化合物、磷酸氢钙、氮化硼之至少之一或其组合。适合之微层片之一长径比是介于10至200之间,且较佳是介于50至200之间。适合之微层片之长度是介于0.1微米(μm)至25微米(μm)之间,且较佳是介于2微米(μm)至25微米之间。适合之微层片之厚度是介于10纳米(nm)至1000纳米(nm)之间,且较佳是介于10纳米(nm)至400纳米(nm)之间。
在本发明之一较佳实施例中,可固化硅树脂中的微层片可经硅胶改质以提高微层片的疏水性质,以避免微层片在可固化硅树脂中发生聚集现象。在本发明之一较佳实施例中,可固化硅树脂中的微层片可以是经甲基硅酮处理之云母层片。
在本发明之可固化硅树脂组成物中,微层片(microsheet)之添加量可介于10至40重量份之间,当微层片的添加量过高,则会使具阻水气特性的硅胶薄膜雾度太高而影响LED的发光效率。当添加量过低,则无法有效提升具阻水气特性的硅胶薄膜之阻水气特性,且会因无法有效降低硅胶之热胀是数(CTE),热胀是数(CTE)过高时在后续形成无机镀膜层后可能会有龟裂现象,而无法维持必须的阻水气性质。
在本发明之一实施例中,第一硅树脂之平均单元结构式至少具有R1SiO3/2单体以及R22SiO2/2单体,其中,R1及R2为经取代的或未取代之烷基、经取代的或未取代之烯基或经取代的或未取代之芳基。此经取代的或未取代的芳基例如可为苯基、甲苯基、二甲苯基或萘基,较佳为苯基。此经取代的或未取代的烯基例如可为乙烯基、丙烯基、烯丙基、丁烯基、戊烯基或是己烯基,较佳为乙烯基。除了经取代的或未取代的芳基与经取代的或未取代的烯基以外,其余与硅原子键结之官能基可为经取代的或未取代的烷基,例如可为甲基、乙基、丙基、异丙基、丁基、异丁基、叔丁基、戊基、新戊基、己基、环己基、辛基、壬基或癸基,较佳为甲基。
在本发明之一实施例中,为了提高具阻水气特性的硅胶薄膜的耐热性以及硬度,于第一硅树脂之平均单元结构式中,除了封端基单体以外,与硅原子键结之芳基相对于所有与硅键结之官能基之摩尔数比值至少为0.48以上。第一硅树脂的重量平均分子量可介于500至200,000之间,且较佳为介于1,000至190,000之间。
于本发明之一较佳实施例中,用于表示第一硅树脂的平均单元结构式,其可例如由(PhSiO3/2)0.7(Me2SiO2/2)0.15(ViMeSiO2/2)0.15及用于封端之单体ViMe2SiO1/2所组成。上述Ph表示苯基,Me表示甲基,Vi表示乙烯基。
于本发明之另一较佳实施例中,用于表示第一硅树脂的平均单元结构式,其可例如由(PhSiO3/2)0.7(Me2SiO2/2)0.2(ViMeSiO2/2)0.1及用于封端之单体ViMe2SiO1/2所组成。
线性聚硅氧烷可提高与第一硅树脂及第二硅树脂之该些硅树脂间的加工性与所制得之具阻水气特性的硅胶薄膜的柔韧性。在本发明之一实施例中,适合的线性聚硅氧烷之平均单元结构式至少具有一个与硅原子键结之芳基与二个与硅原子键结之烯基。前述芳基可为取代的或未取代之芳基,如可为苯基、甲苯基、二甲苯基或萘基,较佳为苯基。前述烯基可为经取代的或未取代之烯基,例如可为乙烯基、丙烯基、烯丙基、丁烯基、戊烯基或是己烯基,较佳为乙烯基。除了芳基与烯基以外,其余与硅原子键结之官能基可为经取代的或未取代的烷基,例如可为甲基、乙基、丙基、异丙基、丁基、异丁基、叔丁基、戊基、新戊基、己基、环己基、辛基、壬基或癸基,较佳为甲基。
为了提高具阻水气特性的硅胶薄膜的耐热性、硬度以及折射率,故于可固化硅树脂组成物中,线性聚硅氧烷之平均单元结构式中,除了封端基单体以外,与硅原子键结之芳基相对于所有与硅键结之官能基之摩尔数比值至少为0.4以上。且线性聚硅氧烷的添加量可为10至25重量份,较佳为14至20重量份。
于本发明之一较佳实施例,用以表示线性聚硅氧烷的平均单元结构式如下所示:由(PhMeSiO2/2)0.8(Me2SiO2/2)0.1(ViMeSiO2/2)0.1及用于封端之单体ViMe2SiO1/2所组成,上述Ph表示苯基,Me表示甲基,Vi表示乙烯基。线性聚硅氧烷的重量平均分子量可在介于1,000至200,000之间,且较佳为介于1,000至160,000之间。线性聚硅氧烷于25℃的黏度未受限制,较佳范围为6,000mPa.s至10,000mPa.s。在本发明之一较佳实施例中,线性聚硅氧烷于25℃的黏度为6420mPa.s。
于形成具阻水气特性的硅胶薄膜之可固化硅树脂组成物中,用于表示第二硅树脂之平均单元结构式至少具有R3SiO3/2以及R4 3SiO1/2之单体,其中R3为经取代的或未取代的芳基、经取代的或未取代的烷基或经取代的或未取代的烯基。R4为经取代的或未取代的芳基、经取代的或未取代的烷基或经取代的或未取代的烯基。上述经取代的或未取代的芳基例如可为苯基、甲苯基、二甲苯基、或萘基,较佳为苯基。上述经取代的或未取代的烯基例如可为乙烯基、丙烯基、烯丙基、丁烯基、戊烯基或是己烯基,较佳为乙烯基。除了经取代的或未取代的芳基与经取代的或未取代的烯基以外,其余与硅原子键结之官能基为经取代的或未取代的烷基,例如可为甲基、乙基、丙基、异丙基、丁基、异丁基、叔丁基、戊基、新戊基、己基、环己基、辛基、壬基或癸基,较佳为甲基。
为了提高具阻水气特性的硅胶薄膜的耐热性及硬度,于可固化硅树脂组成物中,第二硅树脂中除封端基单体以外,与硅原子键结之芳基相对于与硅键结之所有官能基之摩尔数比值至少为0.25以上。
于本发明之一较佳实施例中,用于表示第二硅树脂的平均单元结构式如以下所式:(PhSiO3/2)0.5(ViMe2SiO1/2)0.5。上述Ph表示苯基,Me表示甲基,Vi表示乙烯基。第二硅树脂的重量平均分子量可介于100至10,000之间,且较佳为介于500至5,000之间。
于本发明之形成具阻水气特性的硅胶薄膜之可固化硅树脂组成物中,用以表示含硅氢键之聚硅氧烷之化学结构式为:HR5 2SiO(SiR6 2O)nSiR5 2H,其中R5为经取代的或未取代的烷基或氢原子,R6为经取代或未取代的芳基或经取代的或未取代的烷基,且n为大于等于0之整数。
上述经取代的或未取代的芳基例如可为苯基、甲苯基、二甲苯基、或萘基,较佳为苯基。取代的或未取代的烷基例如可为甲基、乙基、丙基、异丙基、丁基、异丁基、叔丁基、戊基、新戊基、己基、环己基、辛基、壬基或癸基,较佳为甲基。
于本发明之一较佳实施例中,用于表示含硅氢键之聚硅氧烷的平均单元结构式如下所式:(Ph2SiO2/2)1(HMe2SiO1/2)2。上述Ph表示苯基,Me表示甲基。含硅氢键之聚硅氧烷的重量平均分子量可介于100至5,000之间,且较佳为介于100至1,000之间。
适合之铂族金属是催化剂可例如为铂-型式催化剂、铑-型式催化剂或钯-型式催化剂,较佳为铂-型式催化剂,常用的催化剂可例如为H2PtCl6·mH2O,K2PtCl6,KHPtCl6·mH2O,K2PtCl4,K2PtCl4·mH2O或PtO2·mH2O(m为正整数)等。亦或该些催化剂与链烯烃、醇或含有乙烯基的有机聚硅氧烷之间的错合物,例如可为铂(0)-2,4,6,8-四甲基-2,4,6,8-四乙烯基环四硅氧烷复合体溶液(Platinum(0)-2,4,6,8-tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane complex solution)或辛醇络铂化合物(Platinum-Octanal/Octanol Complex),但不限于此。上述该些铂族金属是催化剂可单独使用或合并使用。铂族金属是催化剂的添加量为线性聚硅氧烷、第一硅树脂、第二硅树脂及含硅氢键之聚硅氧烷之重量份总和的1ppm至50ppm,较佳为3ppm至10ppm。
于本发明之一较佳实施例,所使用的铂族金属是催化剂为辛醇络铂化合物,其使用量为线性聚硅氧烷、第一硅树脂、第二硅树脂及含硅氢键之聚硅氧烷之重量份总和的4.3ppm。
另,于本发明之形成具阻水气特性的硅胶薄膜之可固化硅树脂组成物中,进一步还可包括触变剂、抑制剂、抗沉降剂、无机填料、荧光粉或其组合。
上述无机填料是用以增加具阻水气特性的硅胶薄膜的耐热性,亦可作为防止荧光粉沈降的抗沈降剂,此外,也作为反射粒子之用途。该些无机填料例如可为气相法二氧化硅、气相法二氧化钛等增强型无机填充剂以及碳酸钙、硅酸钙、二氧化钛、氧化钛、氧化锌等非增强型无机填充剂。
于本发明之一实施例中,于形成具阻水气特性的硅胶薄膜的可固化硅树脂组成物中,其包括气相二氧化硅,该气相二氧化硅添加量相对100重量份之线性聚硅氧烷、第一硅树脂、第二硅树脂及含硅氢键之聚硅氧烷之总和,是为0.1至5重量份。
本发明所提出的具阻水气特性的硅胶薄膜具有良好的阻水气性质、适当的光学性质,其水气穿透率(WVTR)可小于40gm-2day-1,可见光穿透率可大于92%,雾度可小于4%。此外,本发明所提出的具阻水气特性的硅胶薄膜具有良好的加工性,其25℃-50℃热膨胀系数(CTE)可介于20ppm至60ppm之间,80℃-100℃热膨胀系数(CTE)可介于50ppm至150ppm之间,且中心线平均粗糙度(Ra)可介于0.01微米(μm)至0.15微米(μm)间,有利于形成后续的无机镀膜层。
在本发明之另一实施例中,具阻水气特性的硅胶薄膜之一表面上更具有一无机镀膜层,以进一步降低硅胶薄膜之阻水气性质。
无机镀膜层可包含但不限于二氧化硅(SiO2)、三氧化二铝(Al2O3)或二氧化铪(HfO2),在本发明之一实施例中,无机镀膜层可为三氧化二铝(Al2O3)镀膜层。在本发明之另一实施例中,无机镀膜层可为三氧化二铝(Al2O3)/二氧化铪(HfO2)镀膜层。
无机镀膜层可通过溅镀法(Sputter Deposition)或原子层沉积法(Atomic LayerDeposition,ALD)形成于具阻水气特性的硅胶薄膜之一表面上。
在本发明之一实施例中,无机镀膜层之厚度可介于10纳米(nm)至300纳米(nm)之间,且较佳是介于20纳米(nm)至30纳米(nm)之间。且此具有无机镀膜层之具阻水气特性的硅胶薄膜之一水气穿透率(WVTR)可小于0.5gm-2day-1。
本发明提出一种光学半导体装置,其中此光学半导体装置是利用前述具阻水气特性的硅胶薄膜封装而成。
下述实施例是用来进一步说明本发明,但本发明的内容并不受其限制。
实施例:制备例1:线性聚硅氧烷(化合物1)的制备方法
将3499.92克(19.13mole)的甲基苯基二甲氧基硅烷(phenylmethyldimethoxysilane,购自恒桥产业股份有限公司,台湾),288.48克(2.4mole)的二甲基二甲氧基硅烷(Dimethyldimethoxysilane,购自恒桥产业股份有限公司,台湾),以及317.28克(2.4mole)的甲基乙烯基二甲氧基硅烷(Methylvinyldimethoxysilane,购自六和化工股份有限公司,台湾)加至反应槽中并于室温下搅拌形成一均匀混和溶液。将此混和溶液滴入浓度5%的硫酸水溶液(5337.4克)中得到一反应溶液,接着将此反应溶液加热至75℃以进行水解,待反应完全后以去离子水进行萃取使有机层达到中性,最后移除溶剂以制得一水解产物。
将上述水解产物、69.52克(0.374mole)的二乙烯基四甲基二硅氧烷(Divinyltetramethyldisiloxane,购自六和化工股份有限公司,台湾)以及5.88克的四甲基氢氧化铵(Tetramethyl ammonium hydroxide,商品名L09658,购自Alfa Aesar,美国)置于反应槽中,于反应槽中通入氮气,并于室温下均匀搅拌以制得一反应溶液。将此反应溶液加热至95℃,待反应完全后,进行除碱以完成化合物1的制备。化合物1之平均单元结构式是由(PhMeSiO2/2)0.8(Me2SiO2/2)0.1(ViMeSiO2/2)0.1及用于封端之单体ViMe2SiO1/2所组成。上述Ph表示苯基,Me表示甲基,Vi表示乙烯基。制备例2:第一硅树脂(化合物2)的制备方法
将2685克(13.5mole)的苯基三甲氧基硅烷(phenyl-trimethoxysilane,购自六和股份有限公司,台湾),349克(2.9mole)的二甲基二甲氧基硅烷(Dimethyldimethoxysilane,购自恒桥产业股份有限公司,台湾),以及384克(2.9mole)的甲基乙烯基二甲氧基硅烷(Methylvinyldimethoxysilane,购自六和化工股份有限公司,台湾)置于反应槽中,于室温下搅拌以制得均匀混合溶液。将混和溶液滴入浓度5%的硫酸水溶液(4579克)中以制得一反应溶液,接着将此反应溶液加热至75℃进行水解,待反应完全后,以去离子水进行萃取使有机层达到中性,最后移除溶剂以制得一水解产物。
将上述水解产物、21.39克(0.11mole)的二乙烯基四甲基二硅氧烷(Divinyltetramethyldisiloxane,购自六和化工股份有限公司,台湾)、22.74克的氢氧化钾以及2274克的甲苯置于反应槽中,于反应槽中通入氮气,并于室温下搅拌以制得一反应溶液。接着将此反应溶液加热至95℃。待反应完全后,以去离子水进行萃取使有机层达到中性,最后移除溶剂以完成化合物2的制备。化合物2之平均单元结构式是由(PhSiO3/2)0.7(Me2SiO2/2)0.15(ViMeSiO2/2)0.15及用于封装之单体ViMe2SiO1/2所组成。
制备例3:第一硅树脂(化合物3)的制备方法
将2776克(14mole)的苯基三甲氧基硅烷(phenyl-trimethoxysilane,购自六和股份有限公司,台湾),480.88克(4mole)的二甲基二甲氧基硅烷(Dimethyldimethoxysilane,购自恒桥产业股份有限公司,台湾),以及264.46克(2mole)的甲基乙烯基二甲氧基硅烷(Methylvinyldimethoxysilane,购自六和化工股份有限公司,台湾)置于反应槽中,于室温下搅拌以制得均匀混合溶液。将混和溶液滴入浓度5%的硫酸水溶液中以制得一反应溶液,接着将此反应溶液加热至75℃进行水解,待反应完全后,以去离子水进行萃取使有机层达到中性,最后移除溶剂以制得一水解产物。
将上述水解产物、21.39克(0.11mole)的二乙烯基四甲基二硅氧烷(Divinyltetramethyldisiloxane,购自六和化工股份有限公司,台湾)、22.74克的氢氧化钾以及2274克的甲苯置于反应槽中,于反应槽中通入氮气,并于室温下搅拌以制得一反应溶液。接着将此反应溶液加热至95℃。待反应完全后,以去离子水进行萃取使有机层达到中性,最后移除溶剂以完成化合物3的制备。化合物3之平均单元结构式是由(PhSiO3/2)0.7(Me2SiO2/2)0.2(ViMeSiO2/2)0.1及用于封装之单体ViMe2SiO1/2所组成。
制备例4:第二硅树脂(化合物4)的制备方法
将2379.4克(12mole)的苯基三甲氧基硅烷(Phenyltrimethoxysilane,购自六和化工股份有限公司,台湾),以及1118.4克(6mole)的二乙烯基四甲基二硅氧烷(Divinyltetramethyldisiloxane,购自六和化工股份有限公司,台湾)置于反应槽中,于室温下搅拌以制得均匀混和溶液。将此混和溶液滴入浓度5%的硫酸水溶液(4547.16克)中以制得一反应溶液,接着将此反应溶液加热至75℃,以进行水解,待反应完全后,以去离子水进行萃取使有机层达到中性,最后移除溶剂以制得一水解产物。
将上述水解产物、1998克的甲苯以及10克的氢氧化钾置于反应槽中,于反应槽中通入氮气,并于室温下均匀搅拌以制得一反应溶液。将此反应溶液进行加热至85℃。待反应完全后,以去离子水进行萃取使有机层达到中性,最后移除溶剂以完成化合物4的制备。化合物4之平均单元结构式为(PhSiO3/2)0.5(ViMe2SiO1/2)0.5。
制备例5:含硅氢键之聚硅氧烷(化合物5)的制备方法
将3432.04克(14mole)的二苯基二甲氧基硅烷(Diphenyldimethoxysilane,购自六和化工股份有限公司,台湾),以及1880.62克(14mole)的四甲基二硅氧烷(1,1,3,3-Tetramethyldisiloxane,购自恒桥产业有限公司,台湾)置于反应槽中,于室温下搅拌以制得一均匀混和溶液。将混和溶液滴入浓度50%的硫酸水溶液(2669克)中以制得一反应溶液,接着将此反应溶液于室温下反应4小时以进行水解。待反应完全后,以去离子水萃取使有机层达到中性,最后移除溶剂以完成化合物5的制备。化合物5之平均单元结构式是(Ph2SiO2/2)0.33(HMe2SiO1/2)0.67。
实施例1
首先,先于反应瓶中置入47.3克的化合物2、18.4克的化合物4、20克的化合物5,1000ppm(相对于100克的化合物1,化合物2,化合物4及化合物5的总和)的1-乙炔基环己醇作为抑制剂,以及1.5重量份的气相二氧化硅(TS-720,购自Cabot Corp.,美国)以制得第一溶液。于另一反应瓶中置入14.3克的化合物1,以及4.3ppm(相对于100克的化合物1,化合物2,化合物4及化合物5的总和)的辛醇络铂化合物(PIatinum–Octanal/Octanol Complex,购自Gelest,美国)以形成第二溶液。将第一溶液、第二溶液、30克的经甲基硅酮处理之云母层片(购自加全实业,台湾)、30克的溶剂甲苯以及与前述材料等重量的0.3mm锆珠,以真空行星脱泡机Thinky ARV-310机型搅拌均匀,并于PET基材上进行涂布,再经80℃加热15分钟、150℃加热3小时固化后,撕除PET基材,制得硅胶薄膜。硅胶薄膜厚度约为50微米(μm)。
实施例2
以相同于实施例1之方法制得硅胶薄膜,但将经甲基硅酮处理之云母层片之使用量变更为40重量份,并将溶剂甲苯之使用量变更为35重量份。
实施例3
首先,先于反应瓶中置入47.84克的化合物3、19.53克的化合物4、15.96克的化合物5、2.05克的化合物6,1000ppm(相对于100克的化合物1,化合物3,化合物4,化合物5及化合物6的总和)的1-乙炔基环己醇作为抑制剂,以及1.5重量份的气相二氧化硅(TS-720,购自Cabot Corp.,美国)以制得第一溶液。于另一反应瓶中置入14.53克的化合物1,以及4.3ppm(相对于100克的化合物1,化合物3,化合物4,化合物5以及化合物6的总和)的辛醇络铂化合物(PIatinum–Octanal/Octanol Complex,购自Gelest,美国)以形成第二溶液。将第一溶液、第二溶液、10克的经甲基硅酮处理之云母层片(购自加全实业,台湾)、10克的溶剂甲苯以及与前述材料等重量的0.3mm锆珠,以真空行星脱泡机Thinky ARV-310机型搅拌均匀,并于PET基材上进行涂布,再经80℃加热15分钟、150℃加热3小时固化后,撕除PET基材,制得硅胶薄膜。硅胶薄膜厚度约为50微米(μm)。
实施例4
以相同于实施例3之方法制得硅胶薄膜,但将经甲基硅酮处理之云母层片之使用量变更为30重量份,并将溶剂甲苯之使用量变更为37重量份。
实施例5
以相同于实施例3之方法制得硅胶薄膜,但将经甲基硅酮处理之云母层片之使用量变更为40重量份,并将溶剂甲苯之使用量变更为37重量份。
比较例1
以相同于实施例1之方法制得硅胶薄膜,但未添加经甲基硅酮处理之云母层片以及溶剂甲苯。
比较例2
以相同于实施例3之方法制得硅胶薄膜,但未添加经甲基硅酮处理之云母层片以及溶剂甲苯。
比较例3
以相同于实施例1之方法制得硅胶薄膜,但将经甲基硅酮处理之云母层片之使用量变更为50重量份,并将溶剂甲苯之使用量变更为45重量份。
以下,将本发明所提出的具阻水气特性的硅胶薄膜依照下列方法进行评估测试,量测结果如下列表1所示。
水气穿透率(WVTR)量测
水气穿透率(WVTR)以Moconaquatran model 1(量测范围:5-5×10-5gm-2day-1)依据ASTM F1249规则量测,量测面积0.5-5cm2,于温度25℃、湿度90%RH条件下进行量测。
热膨胀系数(CTE)
依照ASTM E831规则,以热机械分析仪(TMA from TA instrument)在氮气环境中,以10℃/分钟的升温速率量测30-100℃范围内的CTE,所用张力为0.0023N。
穿透率(T%)
以分光亮度计(U4100,购自Hitachi,日本)量测380-700nm波长范围内之光穿透率。
雾度量测
以雾度计(NDH2000,购自日本电色工司)量测硅胶薄膜之雾度。
表面粗糙度(Roughness,Sa)量测
使用Olympus OLS5000 3D雷射显微镜,以雷射共轭焦的原理,根据ISO25178规则量测硅胶薄膜表面粗糙度。
表1:实施例1-实施例5以及比较例1-比较例2之硅胶薄膜特性测试结果
在表1所列之测试结果,实施例1至实施例5之硅胶薄膜因添加了微层片,故水气穿透率皆小于比较例1及比较例2之硅胶薄膜。且实施例1至实施例5的之光穿透率皆仍大于96%,实施例1至实施例4之硅胶薄膜之雾度皆仅有0,显见仍能具有良好的光学性质。此外,实施例1至实施例5之热膨胀系数皆比比较例1及比较例2为低,故可具有更好的加工性以利后续形成无机镀膜层。
实施例6
将实施例3所制得之硅胶薄膜进一步利用Syskey Technology之溅镀设备,以氩气做为工作气体,在0.005Torr的工作压力下,以溅镀法在薄膜表面形成一厚度约为50纳米(nm)之氧化铝(Al2O3)镀膜层。
实施例7
将实施例3所制得之硅胶薄膜以氧气电浆进行前处理。接着,利用ALD设备(i-SA,购自Syskey Technology,台湾),以三甲基铝(AlCH3)3以及四双(乙基甲基氨)铪(Tetrakis(ethylmethylamino)hafnium,TEMAHF)做为前驱物,水(H2O)做为氧化剂,以高纯度氮气作为吹扫气和载气,在25℃及9Torr的工作压力下,以原子层沉积法在硅胶薄膜表面上形成一厚度约为20纳米之三氧化二铝(Al2O3)/二氧化铪(HfO2)镀膜层。
实施例8
将实施例2所制得之硅胶薄膜以相同于实施例7之方法在硅胶薄膜上以原子层沉积法在硅胶薄膜表面上形成一厚度约为20纳米之三氧化二铝(Al2O3)/二氧化铪(HfO2)镀膜层。
上述实施例6至实施例8的具阻水气特性的硅胶薄膜之详细测试结果如下列表2所示。
表2:实施例6-实施例8之硅胶薄膜特性测试结果
由表2所列之测试结果可知,硅胶薄膜之表面可再形成无机镀膜层以进一步降低水气穿透率。实施例6至实施例8在形成无机镀膜层后水气穿透率可进一步的下降至0.5gm- 2day-1以下。故本发明之具阻水气特性的硅胶薄膜可同时具有良好的阻水气性质且兼具优良的之可加工性。
以上所述仅为本发明较佳实施例,并非用以限定本发明的范围,任何熟悉本项技术的人员,在不脱离本发明的精神和范围内,可在此基础上做进一步的改进和变化,因此本发明的保护范围当权利要求书所界定的范围为准。
Claims (13)
1.一种具阻水气特性的硅胶薄膜,其特征在于,所述硅胶薄膜是经由固化一可固化硅树脂组成物而形成,该可固化硅树脂组成物包含:
10至25重量份的一线性聚硅氧烷,其平均单元结构式至少具有一个与硅原子键结之芳基与二个与硅原子键结之烯基;
40至55重量份的一第一硅树脂,其平均单元结构式至少具有R1SiO3/2单体以及R2 2SiO2/2单体,其中R1及R2为经取代的或未取代之烷基、经取代的或未取代之烯基或经取代的或未取代之芳基,在此平均单元结构式中,该R1SiO3/2单体所占的摩尔分率是介于0.60至0.75之间,且硅原子键结之烯基相对于所有与硅键结之官能基之摩尔数比值为0.03至0.15;
15至30重量份的一第二硅树脂,其平均单元结构式至少具有R3SiO3/2以及R4 3SiO1/2之单体,其中R3及R4为经取代的或未取代之烷基、经取代的或未取代之烯基或经取代的或未取代之芳基;
15至25重量份的至少一含硅氢键之聚硅氧烷,其化学结构式为:HR5 2SiO(SiR6 2O)nSiR5 2H,其中,R5为经取代的或未取代的烷基或氢原子,R6为经取代或未取代的芳基或经取代的或未取代的烷基,n为大于等于0之整数;
10至40重量份的微层片(microsheet);以及
一铂族金属是催化剂;
其中,该具阻水气特性的硅胶薄膜之水气穿透率(WVTR)小于40gm-2day-1,可见光穿透率大于92%且雾度小于4%。
2.如权利要求1之具阻水气特性的硅胶薄膜,其特征在于,其中该微层片之一长径比是介于10至200之间。
3.如权利要求1之具阻水气特性的硅胶薄膜,其特征在于,其中该微层片之一长度是介于0.1微米(μm)至25微米(μm)之间。
4.如权利要求1之具阻水气特性的硅胶薄膜,其特征在于,其中该微层片是选自由云母、黏土、层状双氢氧化合物、磷酸氢钙以及氮化硼所组成之群组之至少之一或其组合。
5.如权利要求1之具阻水气特性的硅胶薄膜,其特征在于,其中该具阻水气特性的硅胶薄膜之25℃-50℃热膨胀系数(CTE)是介于20ppm至60ppm之间,80℃-100℃热膨胀系数(CTE)是介于50ppm至150ppm之间,且中心线平均粗糙度(Ra)是介于0.01微米(μm)至0.15微米(μm)间。
6.如权利要求1之具阻水气特性的硅胶薄膜,其特征在于,其中该可固化硅树脂成物进一步包括抑制剂、触变剂、抗沉降剂、无机填料、荧光粉或其组合。
7.如权利要求6之具阻水气特性的硅胶薄膜,其特征在于,其中于可固化硅树脂成物中的无机填料包括一气相二氧化硅。
8.如权利要求1之具阻水气特性的硅胶薄膜更包括一无机镀膜层,其特征在于,其位于该具阻水气特性的硅胶薄膜之一表面上。
9.如权利要求8之具阻水气特性的硅胶薄膜,其特征在于,其中该无机镀膜层是通过溅镀法(Sputter Deposition)或原子层沉积法(Atomic Layer Deposition,ALD)形成于该具阻水气特性的硅胶薄膜之一表面上。
10.如权利要求8之具阻水气特性的硅胶薄膜,其特征在于,其中该无机镀膜层之厚度是介于10纳米(nm)至300纳米(nm)之间。
11.如权利要求8之具阻水气特性的硅胶薄膜,其特征在于,其中该无机镀膜层包括二氧化硅(SiO2)、三氧化二铝(Al2O3)或二氧化铪(HfO2)。
12.如权利要求8之具阻水气特性的硅胶薄膜,其中该具阻水气特性的硅胶薄膜之水气穿透率WVTR小于0.5gm-2day-1。
13.一种光学半导体装置,其特征在于,其中该光学半导体装置是由权利要求1至权利要求12中任一项具阻水气特性的硅胶薄膜封装而成。
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