TW200304136A - Optical data media - Google Patents
Optical data media Download PDFInfo
- Publication number
- TW200304136A TW200304136A TW092105110A TW92105110A TW200304136A TW 200304136 A TW200304136 A TW 200304136A TW 092105110 A TW092105110 A TW 092105110A TW 92105110 A TW92105110 A TW 92105110A TW 200304136 A TW200304136 A TW 200304136A
- Authority
- TW
- Taiwan
- Prior art keywords
- meth
- acrylate
- optical information
- light
- recording
- Prior art date
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- 230000003287 optical effect Effects 0.000 title claims abstract description 62
- -1 acrylate compound Chemical class 0.000 claims abstract description 75
- 239000000203 mixture Substances 0.000 claims abstract description 34
- 150000001875 compounds Chemical class 0.000 claims abstract description 22
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000001257 hydrogen Substances 0.000 claims abstract description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 6
- 125000000753 cycloalkyl group Chemical group 0.000 claims abstract description 5
- 125000000962 organic group Chemical group 0.000 claims abstract description 5
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 239000004417 polycarbonate Substances 0.000 claims description 12
- 229920000515 polycarbonate Polymers 0.000 claims description 12
- 239000003999 initiator Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 238000002834 transmittance Methods 0.000 claims description 8
- PIZHFBODNLEQBL-UHFFFAOYSA-N 2,2-diethoxy-1-phenylethanone Chemical compound CCOC(OCC)C(=O)C1=CC=CC=C1 PIZHFBODNLEQBL-UHFFFAOYSA-N 0.000 claims description 7
- 230000000052 comparative effect Effects 0.000 claims description 7
- BDAHDQGVJHDLHQ-UHFFFAOYSA-N [2-(1-hydroxycyclohexyl)phenyl]-phenylmethanone Chemical compound C=1C=CC=C(C(=O)C=2C=CC=CC=2)C=1C1(O)CCCCC1 BDAHDQGVJHDLHQ-UHFFFAOYSA-N 0.000 claims description 6
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 claims description 5
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 5
- 239000012965 benzophenone Substances 0.000 claims description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- ALCCIWCIVXRVCD-UHFFFAOYSA-N 2-benzoyl-3-methylbenzoic acid Chemical compound CC1=CC=CC(C(O)=O)=C1C(=O)C1=CC=CC=C1 ALCCIWCIVXRVCD-UHFFFAOYSA-N 0.000 claims 1
- JRMAQQQTXDJDNC-UHFFFAOYSA-M 2-ethoxy-2-oxoacetate Chemical compound CCOC(=O)C([O-])=O JRMAQQQTXDJDNC-UHFFFAOYSA-M 0.000 claims 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims 1
- 125000003277 amino group Chemical group 0.000 claims 1
- WBJINCZRORDGAQ-UHFFFAOYSA-N formic acid ethyl ester Natural products CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 claims 1
- 239000008267 milk Substances 0.000 claims 1
- 210000004080 milk Anatomy 0.000 claims 1
- 235000013336 milk Nutrition 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 90
- 239000010410 layer Substances 0.000 description 56
- JZMPIUODFXBXSC-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)C=C.CCOC(N)=O JZMPIUODFXBXSC-UHFFFAOYSA-N 0.000 description 31
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 20
- 238000005452 bending Methods 0.000 description 18
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical class C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 18
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 14
- 239000010408 film Substances 0.000 description 14
- 238000003786 synthesis reaction Methods 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 13
- 125000005442 diisocyanate group Chemical group 0.000 description 13
- 239000000463 material Substances 0.000 description 13
- 239000000654 additive Substances 0.000 description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 11
- 239000012948 isocyanate Substances 0.000 description 11
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 11
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical group CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
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- 239000011347 resin Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 6
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
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- 239000005058 Isophorone diisocyanate Substances 0.000 description 5
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 5
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- 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 5
- 229940117969 neopentyl glycol Drugs 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- NNOZGCICXAYKLW-UHFFFAOYSA-N 1,2-bis(2-isocyanatopropan-2-yl)benzene Chemical class O=C=NC(C)(C)C1=CC=CC=C1C(C)(C)N=C=O NNOZGCICXAYKLW-UHFFFAOYSA-N 0.000 description 4
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- ORLQHILJRHBSAY-UHFFFAOYSA-N [1-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CCCCC1 ORLQHILJRHBSAY-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 4
- 230000003078 antioxidant effect Effects 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- 150000002009 diols Chemical class 0.000 description 4
- 150000002513 isocyanates Chemical class 0.000 description 4
- 239000004611 light stabiliser Substances 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 4
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
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- 238000004528 spin coating Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000004383 yellowing Methods 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
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910001215 Te alloy Inorganic materials 0.000 description 3
- 239000007983 Tris buffer Substances 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000005227 gel permeation chromatography Methods 0.000 description 3
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- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
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- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 2
- MSAHTMIQULFMRG-UHFFFAOYSA-N 1,2-diphenyl-2-propan-2-yloxyethanone Chemical compound C=1C=CC=CC=1C(OC(C)C)C(=O)C1=CC=CC=C1 MSAHTMIQULFMRG-UHFFFAOYSA-N 0.000 description 2
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N 1,4-Benzenediol Natural products OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- KMNCBSZOIQAUFX-UHFFFAOYSA-N 2-ethoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OCC)C(=O)C1=CC=CC=C1 KMNCBSZOIQAUFX-UHFFFAOYSA-N 0.000 description 2
- BQZJOQXSCSZQPS-UHFFFAOYSA-N 2-methoxy-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(OC)C(=O)C1=CC=CC=C1 BQZJOQXSCSZQPS-UHFFFAOYSA-N 0.000 description 2
- SZNYYWIUQFZLLT-UHFFFAOYSA-N 2-methyl-1-(2-methylpropoxy)propane Chemical compound CC(C)COCC(C)C SZNYYWIUQFZLLT-UHFFFAOYSA-N 0.000 description 2
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical class C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 2
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 2
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- 150000001298 alcohols Chemical class 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 2
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- IFDVQVHZEKPUSC-UHFFFAOYSA-N cyclohex-3-ene-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCC=CC1C(O)=O IFDVQVHZEKPUSC-UHFFFAOYSA-N 0.000 description 2
- QSAWQNUELGIYBC-UHFFFAOYSA-N cyclohexane-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCCCC1C(O)=O QSAWQNUELGIYBC-UHFFFAOYSA-N 0.000 description 2
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- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- HPAFOABSQZMTHE-UHFFFAOYSA-N phenyl-(2,4,6-trimethylphenyl)methanone Chemical compound CC1=CC(C)=CC(C)=C1C(=O)C1=CC=CC=C1 HPAFOABSQZMTHE-UHFFFAOYSA-N 0.000 description 2
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- 238000010998 test method Methods 0.000 description 1
- XBFJAVXCNXDMBH-UHFFFAOYSA-N tetracyclo[6.2.1.1(3,6).0(2,7)]dodec-4-ene Chemical compound C1C(C23)C=CC1C3C1CC2CC1 XBFJAVXCNXDMBH-UHFFFAOYSA-N 0.000 description 1
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- 239000010409 thin film Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- JLGLQAWTXXGVEM-UHFFFAOYSA-N triethylene glycol monomethyl ether Chemical compound COCCOCCOCCO JLGLQAWTXXGVEM-UHFFFAOYSA-N 0.000 description 1
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 1
- MGMXGCZJYUCMGY-UHFFFAOYSA-N tris(4-nonylphenyl) phosphite Chemical compound C1=CC(CCCCCCCCC)=CC=C1OP(OC=1C=CC(CCCCCCCCC)=CC=1)OC1=CC=C(CCCCCCCCC)C=C1 MGMXGCZJYUCMGY-UHFFFAOYSA-N 0.000 description 1
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
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- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
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Landscapes
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Description
200304136 玖、發明說明 (發明說明應敘明:發明所屬之技術領域、先前技術、內容、實施方式及圖式簡 單說明) [發明所屬之技術領域] 本發明是有關於一種再生專用光碟、光記錄碟片等之 光資訊媒體,且特別是有關於一種具有使活化能量線硬化 性組成物硬化而能夠形成機械強度優良之透明硬化物層, 特別是對應藍光之透明光透過層的光資訊媒體。 [先前技術] 近年來’作爲記錄與保存動畫資訊等大資料量資訊的 資訊記錄媒體,大多是使用再生專用光碟或光記錄碟片等 之光資訊媒體。就其中之一種而言,例如光碟(C0mpactDisc) 其一般的構造是在形成有微細凹凸溝軌的聚碳酸酯等之透 明基板上,形成金屬薄膜之反射層,然後爲了防止反射層 <化,並6又置厚度爲5〜20微米的有機保護層。 另一方面,近年來,爲了提高光資訊媒體之記錄容量, 如日本專利特開φ 8-212597号虎案所揭露之貼纟兩片基板 的光碟片,亦即所謂數位影音光碟或數位多功能光碟片 (DVD)也越來越普及廣泛。 —而且,作爲記錄容量較DVD更高,而能夠長時間的 記錄高品質之動畫資訊的高密度型光碟片,如日本專利特 開平8·235638號__之光麵_。此高密度型光 碟片係在㈣酵材料所職之透贼不透财撐體基板 上形成記錄層,接著在記錄層上沈積厚度爲H)0微米之光 11021pif.doc/008 7 200304136 透過層,以形成透過光透過層使記錄光及/或再生光入射 而可使用之光資訊媒體。 再者,就高密度型光碟而言,如日本專利特開平π-1 1-273147號案所揭露利用較習知CD光碟或DVD光碟等 之光資訊記錄媒體之記錄及/或再生所使用之紅光雷射波 長之例如波長4 0 0奈米之雷射光進彳了短波長記錄’可以 使資訊記錄更爲高密度化, 作爲光透過層之形成方法,如日本專利特開平8-235638號案所揭露的方式,例如是(1)將聚碳酸酯等熱可 塑性透明塑膠膜或玻璃板以紫外線硬化性樹脂貼附在記錄 層上之方法或是(2)將紫外線硬化性樹脂利用旋轉塗佈法塗 佈於在記錄層上後,照射紫外光使其硬化而得到光透過層 等方法。 在曰本專利特開平8-235638號案所揭露上述(1)之光 透過層形成方法中,在使用熱可塑性透明塑膠膜的情況 下’其會有所謂耐擦傷性差之問題,在貼附玻璃板之情況 下’其耐擦傷性很優良,但是會有所謂重量重且拿取性差 的問題。而且,經由外部的衝擊,玻璃製光透過層也會有 谷易破裂之問題。 另外’在上述(2)之光透過層形成方法中,作爲能夠使 用之紫外線硬化性樹脂,如日本專利特開平3-13 1605號 案所揭露之紫外線硬化性樹脂。雖然,在使用此種紫外線 硬化性樹脂形成光透過層之情況下,其耐摩擦性是較上述 塑膠製透明膜好,但是由於其對於波長400奈米之雷射光 11021pif.doc/008 8 200304136 透過率較低,因此進行短波長記錄較爲困難,而且硬化性 樹脂之硬化收縮率高會造成所謂光碟片產生大彎曲之實用 上的問題點。 [發明內容] 有鑑於此,本發明係爲解決上述習知技術的問題而提 出的,本發明的目的就是在提供一種光資訊媒體,其具備 有具有優良透明性,且具有優良耐磨耗性、記錄膜保護性 能與機械特性之光透過膜。 本發明者爲了解決上述之問題,經過特意討論之結 果,發現使特定之活化能量線硬化性組成物硬化而得到之 具有特定範圍的彈性模數與透光率之硬化物作爲光透過層 是非常有效的,而完成本發明。 本發明提出一種光資訊媒體,其係爲在支撐基板上具 有資訊記錄面,在此資訊記錄面上具有光透過層,藉由透 過此光透過層使記錄光及/或再生光入射而可以使用此光 資訊媒體,其特徵在於上述光透過層爲含有下述化學式(I) 之胺基甲酸乙酯二(甲基)丙烯酸酯(Urethane di(meth)acrylate)化合物(A)與除了化合物(A)以外之胺基甲 酸乙酯二(甲基)丙烯酸酯化合物(B)之活化能量線硬化性樹 脂組成物的硬化物,此硬化物在25°C之溫度下彈性模數爲 600MPa至1300MPa,且在波長400奈米時之光透過率爲 80%以上。 11021pif.doc/008 9 200304136 〇 R3 〇 Ζ2、σ
〇 R3 (i) (式中h表示脂環式二異氰酸酯殘基,r2表示烷撐基或含 有環烷基或酯鍵之有機基,r3表示氫原子或甲基。) 而且,在本發明中,「(甲基)丙烯酸酯」爲丙烯酸酯與 甲基丙烯酸酯之總稱。 爲讓本發明之上述和其他目的、特徵、和優點能更明 顯易懂,下文特舉一較佳實施例,作詳細說明如下: [實施方式] 本發明之光資訊媒體,其具備有在支撐基板上具有資 訊記錄面,在此資訊記錄面上具有光透過層之結構,而且 藉由透過此光透過層使記錄光及/或再生光入射而可以使 用之。 就本發明所使用之支撐基板而言。其較佳爲需要具有 光透過率與雙重折射等之光學特性,可以正確的轉寫訊坑 或引導溝,且具有充分的機械強度之基板。舉例來說,I 可以使用金屬、玻璃、陶瓷、塑膠等材料。特別是從可以 利用習知的光碟製造程序的觀點來看,較佳是使用聚甲_ 丙烯酸甲酯、聚碳酸酯、非結晶性聚烯烴等熱可塑性樹脂。 本發明之光資訊媒體具有作爲資訊記錄面之記錄層。 此記錄層之材料並沒有特別限制’可以視實際需要而可0 11021pif.doc/008 10 200304136 使用能夠適用於讀取專用型媒體、相變化型記錄媒體、訊 坑形成型記錄媒體、光磁性記錄媒體等之任何材料。舉例 來說,其材質可以使用金、銀、銀合金、鋁、鋁合金、銀· 銦•碌·鍊合金、銀•銦•碌•鍊·鍺合金、鍺•銻•碲 合金、鍺•錫•銻·碲合金、銻·碲合金、铽•鐵•鈷合 金、染料等。而且,在記錄層之至少一方側也可以設置有 以記錄層之保護與光學效果爲目的之氮化砂、硫化鋅、二 氧化矽等之介電層。 本發明之光資訊媒體在資訊記錄面上具有光透過層。 此光透過層爲含有下述化學式(I) 〇 〇 Ή, • Ri
(I) (式中Rl表不肖日运式—'異氣酸醋殘基,R2表不院撐基或含 有環烷基或酯鍵之有機基,r3表示氫原子或甲基。) 之胺基甲酸乙酯二(甲基)丙烯酸酯(Urethane di(meth)acrylate化合物(A)與除了化合物(a)以外之胺基甲 酸乙酯二(甲基)丙烯酸酯化合物(B)之活化能量線硬化性樹 脂組成物的硬化物,此硬化物在25°C之溫度下拉伸彈性模 數爲600MPa至1300MPa,且在波長400奈米時之光透過 率爲80%以上。 化學式(I)所表示之胺基甲酸乙酯二(甲基)丙烯酸酯化 11021pif.doc/008 200304136 合物(A)是爲了提升硬化性樹脂組成物之硬化物強度的成 分。此胺基甲酸乙酯二(甲基)丙烯酸酯化合物(A)例如是可 以藉由在脂環式二異氰酸酯化合物中附加含有經基的(甲 基)丙烯酸酯而合成之。 作爲脂環式二異氰酸酯化合物,舉例來說,其包括異 佛爾酮二異氰酸酯、雙(4-異氰酸環己基)甲烷、1,2-氫化苯 二甲基二異氰酸酯、1,4-氫化苯二甲基二異氰酸酯、氫化 四甲基苯二甲基二異氰酸酯、原冰片烷二異氰酸酯等。其 中’從硬化物之強度良好的觀點來看,以異佛爾酮二異氰 酸酯、雙(4-異氰酸環己基)甲烷爲較佳。在此可以單獨使 用一種或合倂使用兩種或兩種以上之上述化合物。 作爲附加於脂環式二異氰酸酯化合物中之含有羥基的 (甲基)丙烯酸酯,具體而言,只要是分子中至少含有一個(甲 基)丙烯醯氧基與分子中至少含有一個羥基之含有羥基的 (甲基)丙烯酸酯就可以,而沒有特別的限定。就其具體實 例而言,包括2-羥乙基(甲基)丙烯酸酯、2-羥丙基(甲基) 丙烯酸酯、4-羥丁基(甲基)丙烯酸酯、6-羥己基(甲基)丙烯 酸酯、環己基二甲醇單(甲基)丙烯酸醋等之羥院基(甲基) 丙烯酸酯或其己內酯附加物等。在此可以單獨使用一種或 合倂使用兩種或兩種以上之上述化合物。其中,從低黏度 的觀點來看,以2-羥乙基(甲基)丙烯酸酯、2_羥丙基(甲基) 丙烯酸酯、4-羥丁基(甲基)丙烯酸酯爲較佳。 在脂環式二異氰酸酯化合物中附加含有羥基的(甲基) 丙烯酸酯之方法,在此並沒有特別限定’可以使用習知的 11021pif.doc/008 12 200304136 胺基甲酸乙酯二(甲基)丙烯酸酯之合成方法。具體而言, 例如是在燒瓶內混合2〜2.2莫耳之含有羥基的(甲基)丙烯 酸酯與對總組成量爲l〇〇ppm〜300ppm之二丁基錫二月桂 酸酯等習知觸媒,然後維持燒瓶內在40〜60°C之溫度,同 時使用滴下漏斗在2〜6小時之時間內滴下1莫耳之二異 氰酸酯至燒瓶中。 本發明之(A)成分之使用比例,爲了提升硬化物之機 械強度,以(A)成分、(B)成分、(C)成份總計100重量份爲 基準,其較佳爲5重量份以上,從光資訊媒體之彎曲的觀 點來看,其較佳爲30重量份以下。而且,其下限更佳爲10 重量份以上,其上限更佳爲25重量份以下。 本發明中使用之胺基甲酸乙酯二(甲基)丙烯酸酯化合 物(B)是除了上述化學式⑴所表示之胺基甲酸乙酯二(甲基) 丙烯酸酯化合物(A)以外之胺基甲酸乙酯二(甲基)丙烯酸酯 化合物。此(B)成分是爲了使硬化性組成物中具有低收縮 性之成分,其爲在與(A)成分共同使用硬化時,在所得到 光透過膜中賦予強韌性之成分。 就可以作爲(B)成分使用之胺基甲酸乙酯二(甲基)丙烯 酸酯而言,舉例來說,其包括從異氰酸酯化合物、多元醇 與含有羥基的(甲基)丙烯酸酯所合成之化合物等。 就爲了合成(B)成分所使用之異氰酸酯化合物而言, 舉例來說其包括六甲撐二異氰酸酯、異佛爾嗣二異氰酸 酯、雙(4-異氰酸環己基)甲烷、雙(4-異氰酸苯基)甲烷、雙 (3-氯-4-異氰酸苯基)甲烷、2,4-甲次苯基二異氰酸酯、2,6- 11021pif.doc/008 13 200304136 甲次苯基二異氰酸酯、三(4-異氰酸苯基)甲烷、1,2-苯二甲 基二異氰酸酯、1,4-苯二甲基二異氰酸酯、1,2-氫化苯二甲 基二異氰酸酯、1,4-氫化苯二甲基二異氰酸酯、四甲基苯 二甲基二異氰酸酯、氫化四甲基苯二甲基二異氰酸酯、萘 二異氰酸酯、六甲撐二異氰酸酯、原冰片烷二異氰酸酯等 之二異氰酸酯類。在此可以單獨使用一種或合倂使用兩種 或兩種以上之上述化合物。其中,從賦予硬化物層良好之 韌性與難黃變性的觀點來看,以異佛爾酮二異氰酸酯、雙 (4-異氰酸環己基)甲烷、1,2-氫化苯二甲基二異氰酸酯、1,4-氫化苯二甲基二異氰酸酯、氫化四甲基苯二甲基二異氰酸 酯、原冰片烷二異氰酸酯等之脂環族骨架的二異氰酸酯化 合物爲較佳。 爲了合成(B)成分所使用之多元醇,在此並沒有特別 限定,可以使用習知市售的各種多元醇類。就其具體實例 而言,包括聚乙二醇、聚丙二醇、聚丁二醇、1-甲基丁二 醇等之聚醚多醇類、新戊二醇、乙二醇、二乙二醇、丙二 醇、1,6-己二醇、1,4-丁二醇、1,9-壬二醇、1,10-癸二醇、 3-甲基戊二醇、2,4-二乙基戊二醇、三環癸烷二甲醇、1,4-二環己烷二甲醇、1,2-環己烷二甲醇、1,3-環己烷二甲醇、 環己烷二醇、氫化雙酚A、雙酚A、三羥甲基丙烷、季戊 四醇等之醇類;在這些醇類中附加環氧乙烷、環氧丙烷、 環氧丁烷等之附加環氧化物之聚酯變性多醇類:以這些多 元醇與丁二酸、苯二甲酸、六氫苯二甲酸、對苯二甲酸、 己二酸、壬二酸、四氫苯二甲酸等多元酸類或這些多元酸 11021pif.doc/008 14 200304136 之酸酐類反應所得到之聚酯聚醇類;以這些多元醇類與ε -己內酯、r -丁內酯、r -戊內酯、δ -戊內酯等內酯類反 應所得到之聚內酯聚醇類;聚碳酸酯二醇類;聚丁二烯二 醇類等。在此可以單獨使用一種或合倂使用兩種或兩種以 上之上述化合物。 多元醇類從低收縮性的觀點來看,其重量平均分子量 較佳爲400以上;從低黏度性的觀點來看,其重量平均分 子量較佳爲2000以下。而且,聚乙二醇、聚己內酯聚醇 類、聚酯聚醇類、聚碳酸酯二醇類之強度、拉伸度平衡性 優良因此是更佳的。 爲了合成(Β)成分所使用之含有羥基的(甲基)丙烯酸 酯,具體而言,只要是分子中至少含有一個(甲基)丙烯醯 氧基與分子中至少含有一個羥基之含有羥基的(甲基)丙烯 酸酯就可以,而沒有特別的限定。就其具體實例而言,包 括2-羥乙基(甲基)丙烯酸酯、2-羥丙基(甲基)丙烯酸酯、4-羥丁基(甲基)丙烯酸酯、6_羥己基(甲基)丙烯酸酯、環己基 二甲醇單(甲基)丙烯酸酯、季戊四醇(甲基)丙烯酸酯等之(甲 基)丙烯酸酯或其己內酯附加物等。在此可以單獨使用一 種或合倂使用兩種或兩種以上之上述化合物。其中,從低 黏度的觀點來看,以2-羥乙基(甲基)丙烯酸酯、2-羥丙基(甲 基)丙烯酸酯、4-羥丁基(甲基)丙烯酸酯爲較佳。 胺基甲酸乙酯二(甲基)丙烯酸酯化合物(Β)之合成方 法,在此並沒有特別限定,可以使用習知的胺基甲酸乙醋 二(甲基)丙烯酸酯之合成方法。具體而言,例如是在燒瓶 11021pif.doc/008 15 200304136 內混合2莫耳之二異氰酸酯與對總組成量爲 lOOppm〜300ppm之二丁基錫二月桂酸酯等習知觸媒,然後 維持燒瓶內在40〜60°C之溫度,同時使用滴下漏斗在2〜4 小時之時間內滴下1莫耳之二醇化合物至燒瓶中,而可以 得到胺基甲酸乙酯預聚合物。之後,滴入當量含有羥基的 (甲基)丙烯酸酯於燒瓶中,並維持燒瓶內在60〜75t之溫 度,而在所得到之胺基甲酸乙酯預聚合物末端所殘留之異 氰酸酯基上進行加成反應而得到之。 胺基甲酸乙酯二(甲基)丙烯酸酯化合物(B)之重量平均 分子量,從硬化性組成物之低收縮性的觀點來看,其重量 平均分子量較佳爲1000以上;爲了使硬化組成物低黏度化 而使塗佈作業性良好,其重量平均分子量較佳爲10000以 下。而且,重量平均分子量之下限更佳爲2000以上,重量 平均分子量之上限更佳爲7000以下。 在本發明中,(B)成分之使用比例,從硬化性組成物之 低收縮性的觀點來看,以(A)成分、(B)成分、((〕)成份總計 100重量份爲基準,其較佳爲30重量份以上,從爲了使硬 化組成物低黏度化而使塗佈作業性良好的觀點來看,其較 佳爲90重量份以下。而且,其下限更佳爲4〇重量份以上, 其上限更佳爲80重量份以下。 就本發明而言,在硬化組成物中也能夠含有在(A)成分 與(B)成分中加上除了(A)成分與(B)成分以外之乙烯性不飽 和化合物(C)。 作爲此乙燦性不飽和化合物(C)之具體實例,其包括 11021pif.doc/008 16 200304136 三羥甲基丙烷三(甲基)丙烯酸酯、三乙氧基化三羥甲基丙 烷三(甲基)丙烯酸酯、雙三羥甲基丙烷四(甲基)丙烯酸酯、 季戊四醇三(甲基)丙烯酸酯、季戊四醇四(甲基)丙烯酸酯、 乙氧基化季戊四醇三(甲基)丙烯酸酯、乙氧基化季戊四醇 四(甲基)丙烯酸酯、二季戊四醇五(甲基)丙烯酸酯、二季 戊四醇六(甲基)丙烯酸酯、雙(2-丙烯醯氧乙基)羥乙基三異 氰酸酯、雙(2-甲基丙烯醯氧乙基)羥乙基三異氰酸酯、三(2-丙烯醯氧乙基)三異氰酸酯、三(2-甲基丙烯醯氧乙基)三異 氰酸酯、己內酯變性二季戊四醇五(甲基)丙烯酸酯、己內 酯變性二季戊四醇六(甲基)丙烯酸酯、碳原子數2〜5之脂 肪族碳化氫變性三羥甲基丙烷三(甲基)丙烯酸酯、碳原子 數2〜5之脂肪族碳化氫變性二季戊四醇五(甲基)丙烯酸 酯、碳原子數2〜5之脂肪族碳化氫變性二季戊四醇四(甲 基)丙烯酸酯等之多官能(甲基)丙烯酸酯類; 二(甲基)丙烯酸乙二醇酯、二(甲基)丙烯酸1,3-丙二 醇酯、二(甲基)丙烯酸M-丁二醇酯、二(甲基)丙烯酸1,6-己二醇酯、二(甲基)丙烯酸壬二醇酯、二(甲基)丙烯酸新 戊二醇酯、二(甲基)丙烯酸甲基戊二醇酯、二(甲基)丙烯 酸二乙基戊二醇酯、羥基三甲基乙酸新戊基乙二醇二(甲 基)丙烯酸酯、二(甲基)丙烯酸四乙二醇酯、二(甲基)丙烯 酸三丙二醇酯、二(甲基)丙烯酸聚丁二醇酯、二(甲基)丙 烯酸三環癸烷二甲醇酯、二(甲基)丙烯酸環己烷二甲醇酯、 二(甲基)丙烯酸聚乙氧基化環己烷二甲醇酯、二(甲基)丙 烯酸聚丙氧基化環己烷二甲醇酯、二(甲基)丙烯酸聚乙氧 11021pif.doc/008 200304136 基化雙酚A酯、二(甲基)丙烯酸聚丙氧基化雙酚A酯、二 (甲基)丙烯酸氫化雙酚A酯、二(甲基)丙烯酸聚乙氧基化 氫雙酚A酯、二(甲基)丙烯酸聚丙氧基化氫雙酚A酯、二 (甲基)丙嫌酸雙苯氧基荀醇醋、新戊基乙二醇變性三經甲 基丙烷二(甲基)丙烯酸酯、羥基三甲基乙酸新戊基乙二醇 之ε -己內酯附加物(n+m=5)的二(甲基)丙烯酸酯、羥基三 甲基乙酸新戊基乙二醇之r -丁內酯附加物(n+m=5)的二(甲 基)丙烯酸酯、新戊基乙二醇之己內酯附加物(n+m=5)的二 (甲基)丙烯酸酯、丁二醇之己內酯附加物(n+m=5)的二(甲 基)丙烯酸酯、環己烷二甲醇之己內酯附加物(n+m=5)的二 (甲基)丙烯酸酯、二環戊二醇之己內酯附加物(n+m=5)的二 (甲基)丙烯酸酯、雙酚A之己內酯附加物(n+m=5)的二(甲 基)丙烯酸酯、氫化雙酚A之己內酯附加物(n+m=5)的二(甲 基)丙烯酸酯、雙酚F之己內酯附加物(n+m=5)的二(甲基) 丙烯酸酯等之二(甲基)丙烯酸酯類; (甲基)丙烯酸2-羥乙基酯、(甲基)丙烯酸2-羥丙基酯、 (甲基)丙烯酸4-羥丁基酯、(甲基)丙烯酸四氧茂甲基酯、(甲 基)丙烯酸苯氧乙基酯、(甲基)丙烯酸環己基酯、(甲基)丙 烯酸異冰片酯、(甲基)丙烯酸降冰片酯、2-(甲基)丙烯醯氧 甲基-2-甲基二環庚烷酯、(甲基)丙烯酸三羥甲基丙烷甲縮 醛酯、(甲基)丙烯酸-2-甲基-2-乙基-1,3-二氧茂烷酯、(甲 基)丙烯酸金剛烷基酯、(甲棊)丙烯酸苯甲基酯、(甲基)丙 烯酸苯基酯、(甲基)丙烯酸二環戊烯基酯、(甲基)丙烯酸 二環戊基酯、(甲基)丙烯酸四環十二烷基酯、環己烷二甲 11021pif.doc/008 18 200304136 醇單(甲基)丙烯酸酯、2-甲氧基乙基(甲基)丙烯酸酯、3-甲 氧基丁基(甲基)丙烯酸酯、甲氧基三乙二醇(甲基)丙烯酸 酯、丁氧基乙基(甲基)丙烯酸酯、甲氧基二丙二醇(甲基) 丙烯酸酯等之(甲基)丙烯酸酯類; 乙酸乙烯酯、丁酸乙烯酯、N-乙烯基甲醯胺、N-乙烯 基乙醯胺、N-乙烯基-2-吡咯酮、N-乙烯基己內酯、己二 酸乙烯酯等之乙烯酯單體類;乙基乙烯基醚、苯基乙烯基 醚等之乙烯基醚類; 丙烯醯胺、N,N-二甲基丙烯醯胺、N,N-二甲基甲基丙 烯醯胺、N-羥甲基丙烯醯胺、N-甲氧基甲基丙烯醯胺、N-丁氧基甲基丙烯醯胺、N-t-丁氧基丙烯醯胺、丙烯醯嗎啉、 羥乙基丙烯醯胺、甲叉基雙丙烯醯胺等之丙烯醯胺類; 苯二甲酸、丁二酸、六氫苯二甲酸、四氫苯二甲酸、 對苯二甲酸、壬二酸、己二酸、等多元酸類、乙二醇、己 二醇、聚乙二醇、聚1,4-丁二醇等之多醇類與(甲基)丙烯 酸及其衍生物反應而得到之聚酯聚(甲基)丙烯酸酯類; 雙酚A、雙酚F、雙酚S、四溴化雙酚A等雙酚類與 環氧氯丙烷經縮合反應而得到之雙酚型環氧樹脂與(甲基) 丙烯酸及其衍生物反應而得到之環氧聚(甲基)丙烯酸酯類 等。 在此可以單獨使用一種或合倂使用兩種或兩種以上之 上述化合物。 其中,從耐水性優良之觀點來看,其較佳爲分子內具 有環狀結構之化合物。作爲此較佳的化合物的具體實例, 11021pif.doc/008 19 200304136 其例如是二(甲基)丙烯酸Η環癸烷二甲醇酯、二(甲基)丙 烯酸聚乙氧基化雙酚Α酯、二(甲基)丙烯酸聚丙氧基化雙 酚A酯、二(甲基)丙烯酸聚乙氧基化氫雙酚a酯、二(甲 基)丙細酸聚丙執基化氣雙酣A醋、_甲基)丙稀酸聚乙氧 基化環己院一甲醇酯、一(甲基)丙嫌酸聚丙氧基化環己院 一*甲醇醋、雙(2 -丙細薩戰乙基)經乙基二異氨酸酯、三(2_ 丙烯醯氧乙基)二異氰酸酯、(甲基)丙烯酸四氧茂甲基酯、 (甲基)丙烯酸苯氧乙基酯、(甲基)丙烯酸環己基酯、(甲基) 丙細酸異冰片醋、(甲基)丙細酸降冰片醋、2-(甲基)丙稀醯 氧甲基-2-甲基二環庚烷酯、(甲基)丙烯酸三羥甲基丙院甲 縮醛酯、(甲基)丙烯酸-2-甲基-2-乙基-1,3-二氧茂烷酯、(甲 基)丙烯酸金剛烷基酯、(甲基)丙烯酸苯甲基酯、(甲基)丙 烯酸苯基酯、(甲基)丙烯酸二環戊烯基酯、(甲基)丙烯酸 二環戊基酯、(甲基)丙烯酸四環十二烷基酯等化合物。 在本發明中,(C)成分之使用比例並沒有特別限定, 從爲了使硬化組成物低黏度化而使塗佈作業性良好的觀點 來看,以(A)成分、(B)成分、(C)成份總計100重量份爲基 準,其較佳爲5重量份以上,從降低組成物在硬化時之收 縮性的觀點來看,其較佳爲40重量份以下。而且,其下 限更佳爲10重量份以上,其上限更佳爲35重量份以下。 就本發明而言,藉由使硬化性組成物中含有光聚合引 發劑’可利用紫外線硬化法而更有效率的得到硬化物。 作爲光聚合引發劑(D)之具體實例,其包括二苯甲酮、 4,4-雙(二乙胺)二苯甲酮、2,4,6-三甲基二苯甲酮、甲基鄰 11021pif.doc/008 20 200304136 苯醯基苯甲酸酯、4-苯基二苯甲酮、特丁基蒽醌、2-乙基 蒽醌、二乙氧基乙醯苯酮、2-羥基-2-甲基-1-苯基丙-1-酮、 苯甲基二甲基縮酮、1-羥基環己基-苯酮、苯偶因甲醚、苯 偶因乙醚、苯偶因異丙醚、苯偶因異丁醚、2_甲基-[4_(甲 硫基)苯基]-2-嗎啉-1-丙酮、2-苯甲基-2-二甲基胺基-1-(4-嗎啉苯基)-丁-1-酮、二乙硫基咕噸酮、異丙硫基咕噸嗣、 2,4,6-三甲基苯醯基二苯基膦氧化物、雙(2,6-二甲氧基苯 醯基)-2,4,4-三甲基戊基膦氧化物、雙(2,4,6-三甲基苯醯基) 苯基膦氧化物、甲基苯醯基甲酸酯等。 舉例來說,當光資訊媒體讀取用之雷射波長爲380〜 800奈米之情況下,較佳是適當的選擇使用在讀取時使必 要的雷射光充分的通過硬化物層(光透過層)之光聚合引發 劑的種類與使用量。而且,更佳的是利用可使所得到的硬 化物層不會吸收藍色雷射光之短波長感光型光聚合引發 劑。 作爲此短波長感光型光聚合引發劑之具體實例,其包 括二苯甲酮、2,4,6-三甲基二苯甲酮、甲基鄰苯醯基苯甲 酸酯、4-苯基二苯甲酮、二乙氧基乙醯苯酮、2-羥基-2-甲 基-1-苯基丙-1-酮、苯甲基二甲基縮酮' 1-羥基環己基-苯 酮、苯偶因甲醚、苯偶因乙醚、苯偶因異丙醚、苯偶因異 丁醚、甲基苯醯基甲酸酯等。其中,從硬化物之難黃變性 之觀點來看,其較佳爲二苯甲酮、二乙氧基乙醯苯酮、2-羥基-2-甲基-1-苯基丙-1-酮、1-羥基環己基-苯酮、甲基苯 醯基甲酸酯等。 11021pif.doc/008 200304136 在此可以單獨使用一種或合倂使用兩種或兩種以上之 光聚合引發劑。 在本發明中,光聚合引發劑(D)成分之使用比例並沒 有特別限定,從硬化性的觀點來看,以(A)成分、(B)成分、 (C)成份總計1〇〇重量份爲基準,其較佳爲0.001重量份以 上,從內部硬化性與難黃變性的觀點來看,其較佳爲5重 量份以下。而且,其下限更佳爲〇·01重量份以上,其上限 更佳爲3重量份以下。 在本發明中所使用之硬化性組成物,在不損害其性能 之範圍內,也可以視實際需要而適當的摻合例如熱可塑性 高分子、增滑劑、平整劑、抗氧化劑、光安定劑、紫外線 吸收劑、聚合抑制劑、有機矽烷偶合劑、無機塡料、有機 塡料、經表面有機化處理之無機塡料等習知的添加劑。 在這些添加劑之中,在長期使用時,爲了防止硬化物 之黃變、避免利用藍色雷射光進行光資訊媒體之讀取或寫 入受到阻礙,其較佳是使用抗氧化劑與光安定劑。 作爲此抗氧化劑與光安定劑之具體實例,包括各種市 面上販售之產品,例如住友化學(股)公司製SUMILIZER-BHT、SUMILIZER-S、SUMILIZER-BP-76、SUMILIZER-MDP-S 、 SUMILIZER-GM 、 SUMILIZER-BBM-S 、 SUMILIZER-WX-R、SUMILIZER-NW、SUMILIZER-BP-179 、 SUMILIZER-BP-101 、 SUMILIZER-GA-80 、 SUMILIZER-TNP、SUMILIZER-TPP-R、SUM1LIZER-P-16、 旭電化工業(股)公司製之ADEKASTAPE AO-20、 11021pif.doc/008 22 200304136 ADEKASTAPE AO-30 、 ADEKASTAPE AO-40 ADEKASTAPE AO-50 、 ADEKASTAPE AO-60 ADEKASTAPE AO-70 、 ADEKASTAPE AO-80 ADEKASTAPE AO-330 、 ADEKASTAPEP EP-36 ADEKASTAPE HP-10、ADEKASTAPE 2112、ADEKASTAPE 260、ADEKASTAPE 522A、ADEKASTAPE 329K、 ADEKASTAPE 1500、ADEKASTAPE C、ADEKASTAPE 135A、ADEKASTAPE 3010、汽巴特用化學品公司製 CHINUBIN 770、CHINUBIN 770、CHINUBIN 765、 CHINUBIN 144、CHINUBIN 622、CHINUBIN 111、 CHINUBIN 123、CHINUBIN 292、日立化成工業(股)公司 製FANKLY FA-711M、FA-712HM等(上述全部是商品名)。 抗氧化劑與光安定劑之添加量並沒有特別限定,以(A)成 分、(B)成分、(C)成份總計100重量份爲基準,其較佳添 加爲0.001〜2重量份之範圍內,較佳是0.01〜1重量份之 範圍。 關於本發明所使用之硬化性組成物之黏度,從短時間 旋轉塗佈可得到100微米之膜厚的觀點來看,在25°C之溫 度下,其較佳爲lOOOmPa · s以上,從容易移動溶液的觀 點來看,其較佳爲l〇〇〇〇mpa · s以下。而且,其下限更佳 爲2000mPa · s以上,其上限更佳爲8000mPa · s以下。 如果黏度在lOOOmPa · s以上的話,就可以容易的只 進行一次塗佈而形成100微米程度之均勻的膜厚,不需要 重複塗佈兩次或三次,可以提升生產性。而且,如果黏度 11021pif.doc/008 23 200304136 在lOOOOmPa · s以下的話,組成物之過濾就不需要較長的 時間,以旋轉塗佈之方式形成100微米程度之均勻的膜厚 時,不需要較長之甩開旋轉時間,而且由於不需要爲了縮 短甩開時間而極端的提高甩開旋轉數,因此塗佈斑點等缺 陷較難產生,而可以提升生產性。 使用硬化性組成物之光透過層的形成方法,在此並沒 有特別限定,塗佈方法較佳是使用生產性優良之旋轉塗佈 法。 本發明之光資訊媒體係以上述說明之活化能量線硬化 性樹脂硬化成在25°C之溫度下彈性模數爲600MPa以上之 硬化物作爲光透過層。若彈性模數低於600MPa以下,光 透過層之耐摩擦性會變差,在其有傷痕之情況下,此傷痕 會成爲雷射光記錄/再生錯誤之原因。而且,在本發明中, 此光透過層之彈性模數爲1300MPa以下。爲了提高耐擦 傷性而使彈性模數之値超過1300MPa,就會使硬化收縮變 大,所得到之光資訊媒體的彎曲容易變大,此大的彎曲也 成爲雷射光記錄/再生錯誤之原因。 而且,構成此光透過層之硬化物,從保存安定性之觀 點來看,拉伸降伏強度較佳爲20MPa以上。如果拉伸降 伏強度爲20MPa以上,即使在施予應力之情況下也難以 引起塑性變形,而使彎曲角等機械特性之劣化變的困難。 而且,拉伸降伏強度更佳爲30MPa以上。 就使硬化組成物硬化之手段而言,包括光能量照射’ 舉例來說,可藉由將α、/5、r等活化能量線以習知的方 11021pif.doc/008 24 200304136 法照射硬化性組成物以進行之。特別是,其以使用紫外線 爲較佳。就紫外線產生源而言,從實用性與經濟性之觀點 來看,較佳是利用習知所使用的紫外線燈。作爲紫外線燈 之具體實例,其包括化學燈、低壓水銀燈、高壓水銀燈、 超高壓水銀燈、氙氣燈、鹵素燈、微波燈等。光能量線照 射之環境,可以在空氣中,也可以在氮氣、氬氣等惰性氣 體中。而且,爲了使硬化性組成物硬化至在25°C之溫度下 彈性模數爲600MPa以上,較佳是在反應率爲91%以上使 其硬化。且反應率更佳爲95%以上。此反應率可以由凝膠 分率之測定與紅外線分光法等習知的方法來測定之。 光透過層之厚度從抑制層表面所附著之塵埃對光學影 響的觀點來看,其較佳爲30微米以上。而且從抑制因硬 化組成物之收縮所造成之彎曲的觀點來看,其較佳爲300 微米以下。 光透過層可使記錄光及/或再生光入射,此光通常是 利用雷射光。雷射光之波長並沒有特別的限定,其較佳是 選自300奈米至800奈米之範圍內。從記錄密度的觀點來 看,較佳是可以只使用波長較短者,但是利用紫外線範圍 之光會使光透過層黃變而劣化。於是,從記錄密度與光耐 久性之平衡的觀點來看,較佳是利用400奈米附近之雷射 光作爲記錄光及/或再生光。 光透過層要求對於上述雷射光是透明的’舉例來說, 對於400奈米附近之雷射光具有80%以上之透過率,從抑 制記錄及/或再生時之錯誤的觀點來看’更佳是具有85% 11021pif.doc/008 25 200304136 以上之透過率。 本發明之光資訊媒體,較佳是使用記錄再生波長或再 生波長λ與記錄再生用對物透鏡之數値孔徑να的關係爲 λ /ΝΑ$ 680之光學記錄再生系統◦此波長λ與數値孔徑 ΝΑ之關係更佳爲λ /ΝΑ$ 580。 本發明之光資訊媒體,其彎曲角較佳是± 0.35度以 內,更佳是± 〇·3度以內。 以下,使用實施例以更詳細的說明本發明。 [合成例1](胺基甲酸乙酯二丙烯酸酯(UA1 : a成分) 之製造) (1) 在具備有攪拌機、溫度調節器、溫度計與冷凝器之 容積5升之三口燒瓶中加入1110克的異佛爾酮二異氰酸 酯、0.34克的二丁基錫二月桂酸酯,以恆溫槽加熱至內溫 度爲70°C左右。 (2) 將2-羥乙基丙烯酸酯1172克與對苯二酚單甲基酯 1 · 1克均勻混合溶解之溶液裝入具有側管之滴下漏斗中, 一邊持續攪拌之上述(1)所配製之燒瓶中的內容物,一邊保 持燒瓶內溫在65°c〜7〇°C之溫度下,以等速度將漏斗內之 溶液滴入燒瓶中持續6小時,並以同溫度攪拌6小時使其 反應’而製造出胺基甲酸乙酯二丙烯酸酯。反應終點可經 由測定殘留之異氰酸酯的當量爲1%以下來判斷之,而得 到胺基甲酸乙酯二丙烯酸酯(UA1)。 [合成例2](胺基甲酸乙酯二丙烯酸酯(ua2 : A成分) 之製造) 11021pif.doc/008 26 200304136 (1) 在與合成例1相同之燒瓶中加入1324克的雙(心異 氰酸環己基)甲烷、0.37克的二丁基錫二月桂酸酯,以恆 溫槽加熱至內溫度爲70°c左右。 (2) 將2-羥乙基丙烯酸酯n72克與對苯二酚單甲基酯 1.2克均勻混合溶解之溶液裝入具有側管之滴下漏斗中’ 一邊持續攪拌之上述(1)所配製之燒瓶中的內容物,一邊保 持燒瓶內溫在65°C〜70°C之溫度下,以等速度將漏斗內之 溶液滴入燒瓶中持續6小時,並以同溫度攪拌6小時使其 反應,而製造出胺基甲酸乙酯二丙烯酸酯。反應終點可經 由測定殘留之異氰酸酯的當量爲1%以下來判斷之,而得 到胺基甲酸乙酯二丙烯酸酯(UA2)。 [合成例3](胺基甲酸乙酯二丙烯酸酯(UA3 ·· B成分) 之製造) (1) 在與合成例1相同之燒瓶中加入1324克的雙(4-異 氰酸環己基)甲烷、0.5克的二丁基錫二月桂酸酯,以恆溫 槽加熱至內溫度爲40°C左右。 (2) 將聚己內酯二醇(DAICELL化學(股)公司製,商品 名BLOCKCELL205,平均分子量530)1325克裝入具有側 管之滴下漏斗中,一邊持續攪拌之上述(1)所配製之燒瓶中 的內容物,一邊保持燒瓶內溫在35°C〜45°C之溫度下,以 等速度將漏斗內之溶液滴入燒瓶中持續4小時,並以同溫 度攪拌2小時使其反應。 (3) 接著,將燒瓶內容物之溫度升高至50°C,在同溫 度持續攪拌1小時,將2-羥乙基丙烯酸酯580克與對苯二 11021pif.doc/008 27 200304136 酚單甲基酯1.6克均勻混合溶解之溶液裝入另一個具有側 管之滴下漏斗中,一邊保持燒瓶內溫在55°C〜65°C之溫度 下,以等速度將漏斗內之溶液滴入燒瓶中持續2小時。之 後,維持燒瓶內容物之溫度在70°C〜80°C反應4小時,而 製造出胺基甲酸乙酯二丙烯酸酯。反應終點可經由測定殘 留之異氰酸酯的當量爲1%以下來判斷之,而得到胺基甲 酸乙酯二丙烯酸酯(UA3)。此胺基甲酸乙酯二丙烯酸酯 (UA3)利用膠滲透層析儀(以下稱爲GPC)量測,以聚苯乙 烯爲標準物換算出其重量平均分子量爲4100。 [合成例4](胺基甲酸乙酯二丙烯酸酯(UA4 : B成分) 之製造) (1) 在與合成例1相同之燒瓶中加入1110克的異佛爾 酮二異氰酸酯、〇·6克的二丁基錫二月桂酸酯,以恆溫槽 加熱至內溫度爲70°C左右。 (2) 將聚碳酸酯二醇(旭化成(股)公司製,商品名CX-4710,平均分子量1002)2505克裝入具有側管之滴下漏斗 中,一邊持續攪拌之上述(1)所配製之燒瓶中的內容物,一 邊保持燒瓶內溫在65°C〜?5°C之溫度下,以等速度將漏斗 內之溶液滴入燒瓶中持_ 4小時,並以同溫度攪拌2小時 使其反應。 (3) 接著,將燒瓶內容物之溫度降低至6〇。〇,在同溫 度持_攪拌1小時’將2-經乙基丙烯酸酯580克與對苯二 酚單甲基酯2.1克均句混合溶解之溶液裝入具有側管之另 一滴下漏斗中,一邊保持燒瓶內溫在55^〜651之溫度 11021pif.doc/008 28 200304136 下,以等速度將漏斗內之溶液滴入燒瓶中持續2小時。之 後,維持燒瓶內容物之溫度在75°C〜85°C反應4小時,而 製造出胺基甲酸乙酯二丙烯酸酯。反應終點可經由測定殘 留之異氰酸酯的當量爲1%以下來判斷之,而得到胺基甲 酸乙酯二丙烯酸酯(UA4)。此胺基甲酸乙酯二丙烯酸酯 (UA4)利用GPC量測,以聚苯乙烯爲標準物換算出其重量 平均分子量爲7000。 在以下之實施例中,使用合成例1至合成例4所得到 之各化合物製造具有光透過層之光資訊媒體。而且’在下 述內容中,「份」爲重量基準。 [實施例1] (1) 活化能量線硬化組成物之製備 將作爲成分(A)之合成例1所得到之胺基甲酸乙酯二 丙烯酸酯(UA1)15份、作爲成分(B)之合成例3所得到之胺 基甲酸乙酯二丙烯酸酯(UA3)50份、作爲成分(C)之三(2-丙烯醯氧乙基)三異氰酸酯10份及(甲基)丙烯酸四氧茂甲 基酯25份與作爲(D)成分之1-羥基環己基-苯酮3份混合 溶解’而得到活化能量線硬化性組成物。此組成物爲無色 透明,其黏度在常溫(25t )下爲約3000mPa · s,而呈黏稠 之液體狀。 (2) 評價用光資訊媒體之製作及評價 射出成型聚碳酸醋樹脂,而得到中心具有直徑1 5 m m 孔洞且載置資訊之透明圓盤狀聚碳酸酯基板(直徑12cm, 板厚1.1mm)。在此基板上,濺鍍一層膜厚50奈米之鋁而 11021pif.doc/008 29 200304136 形成鏡面鋁反射層。接著,使用旋轉塗佈機在此鋁反射膜 上塗佈平均膜厚爲100微米之先前所製備的硬化性組成 物。此塗旲利用燈闻度1〇公分之高壓水銀燈(120w/cm), 以總計光量l〇〇〇m】/cm2之能量硬化,而得到具有硬化物 層(光透過層)之光資訊媒體。 對所得到之光資訊媒體,在20°C,50%RH環境下, 使用小野測器(股)公司製之LM-1200,在半徑23mm至 58mm之徑向方向8處(間隔5mm)之位置,各自從前一測 量處之移動量與從基準面之位置差計算出原本各位置之彎 曲角,在此以最大値作爲彎曲角,其彎曲角爲-0.2度。接 著,將此光資訊媒體放置在80°C,80%RH環境下50小 時後,取出放置在20°C,50%RH環境下48小時後,再 次量測彎曲角,其彎曲角爲0度,表示其具有良好的機械 特性。而且,彎曲角之範圍在初期與耐久試驗後都在-〇·35 〜〇·35之容許範圍內。 而且,在顯微鏡中以800倍之倍率觀察鋁反射膜,沒 有發生白化與氣孔等腐飽,表示其具有良好的保護性能。 (3)硬化物之拉伸試驗與透明性評價 從同樣得到之光資訊媒體的鋁反射層上將硬化物膜剝 離,對所得到之透明膜使用試驗機(0LIENDECK公司製, 商品名TRM-100型張力機)進行拉伸試驗。測試片尺寸 O.lmmx 60mmx l〇mm,在溫度25°C之環境下’根據 JIS7127-1989測試方法進行評價,其拉伸彈性模數爲 720MPa,拉伸降伏強度爲49MPa。而且,藉由此拉伸試 11021pif.doc/008 30 200304136 驗,在無法發現明確降伏點的情況下,拉伸耐力可視爲拉 伸降伏強度。決定此拉伸耐力之永久歪曲爲0.5%。 而且,對同樣得到之透明膜,使用分光光度計(日立 製作所(股)公司製,商品名U-3400),以空氣做爲參考標 準,測定測定400奈米之光線透過率爲88%,爲良好的光 透過率,而且,光透過率以80%以上作爲容許範圍。 (4)耐擦傷性評價 除了不設置反射層之外,其他與上述(2)相同,製作出 具有硬化物層之光資訊媒體,使用錐度磨耗機進行硬化物 層之耐擦傷測試。在此,使用CS10F作爲錐度磨耗輪,以 荷重500克、1〇〇旋轉之條件下進行之。以透明度計測定 初期透明度與試驗後透明度,兩者之差値作爲△透明度評 價爲8%,顯示出良好的耐擦傷性。而且,以△透明度爲 15%以下作爲容許範圍。 [實施例2〜5、比較例1〜4] 除了使用表一之實施例2〜5、比較例1〜4欄內所示 之硬化性組成物以外,其他與實施例1相同製作出硬化性 組成物、光資訊媒體,並評價之。結果如表一所示。 [比較例5] 使用與實施例1之(2)同樣的透明圓盤狀聚碳酸酯基 板,不設置反射膜,在此基板上透過厚度30微米之丙烯 酸系黏著劑層而黏著厚度70微米之聚碳酸酯薄片(分子量 40000之聚碳酸酯以流塑法形成薄片狀物),而得到具有膜 厚總計100微米之光透過層的光資訊媒體。以對此光資訊 11021pif.doc/008 31 200304136 媒體薄片之耐擦傷性進行與實施例1之(4)相同之測試,△ 透明度爲30%,非常容易擦傷而是不實用的。 11021pif.doc/008 32 200304136 表一 實施例 比較例 1 2 3 4 5 1 2 3 4 5 硬 化 組 成 物 (A)成分 UA1 15 20 15 60 使 用 薄 片 UA2 10 25 (B)成分 UA3 50 45 45 50 UA4 55 65 60 (C)成分 UK6150 20 10 TAIC 10 10 10 10 TMPTA 10 45 NPGDA 40 TCDA 10 15 THFA 25 25 15 20 15 25 30 5 IBXA 10 5 10 C9DA 10 (D)成分 HCPK 3 2 3 3 3 HMPP 3 MBF 3 DEAP 3 BNP 1 6 EPA 3 組成物黏度(mPa · s) 3000 6000 4000 2500 5000 5000 4800 2200 25 評 價 結 果 光線透過率(%) 88 88 88 88 88 85 89 89 87 拉伸彈性模數(Mpa) 720 640 1230 810 960 1500 1350 580 2000 拉伸降伏強度(Mpa) 49 40 67 45 51 73 65 18 40 初期彎曲角(度) -0.2 -0.2 0 -0.2 -0.1 0.3 0.4 -0.2 註1 試驗後彎曲角(度) 0 -0.2 0.2 0 0.1 0.9 0.9 -0.6 註1 保護性能 良 良 良 良 良 良 良 良 良 良 △透明度(%) 8 12 7 8 8 9 7 20 7 30 表一中之縮寫,如下列所示。 註1 :彎曲角超過測定裝置之能夠測定範圍(± 1度),而無 法測定 33 11021pif.doc/008 200304136 UK61 50 :三菱麗陽(股)公司製雙酚A型環氧丙烯酸酯 TAIC ·二(2-丙稀醯氧乙基)三異氰酸酯 TMPTA :三甲氧基丙烷三丙烯酸酯 NPGDA :二丙烯酸新戊二醇酯 TCDA :三環癸烷二甲醇二丙烯酸酯 THFA :丙烯酸四氧茂甲基酯 IBXA :丙烯酸異冰片酯 C9DA :丙烯酸ι,9-壬二醇酯 HCPK : 1-羥基-環己基苯酮 HMPP : 2-羥基-2-甲基-1-苯基丙-1-酮 MBF :甲基苯醯基甲酸酯 DEAP :二乙氧基乙醯苯酮 BNP :二苯甲酮 EPA :二甲基胺安息香酸酯 由表一的結果可以很明顯的看出,在實施例1〜實施 例5中,任一評價項目中都可以得到良好的結果。 另一方面,在比較例1、2與4中,硬化物(光透過層) 之拉伸彈性模數超過1300MPa,硬化收縮會過大’使得光 資訊媒體之初期彎曲角變大。而且,在實施高溫度高濕度 之保存實驗時,硬化物會往收縮方向移動,彎曲角變的更 大。而且,在比較例3中,硬化物(光透過層)之拉伸彈性 模數低於600MPa,初期的彎曲角小’但耐擦傷性差。 而且,拉伸降伏強度低於20MPa,進行高溫度高濕度 之保存實驗會引起塑性變形’光資訊媒體在聚碳酸酯基材 11021pif.doc/00B 34
Claims (1)
- 200304136 側具有大的變化。此外,比較例5爲習赚用聚碳酸醋薄 片者,非常容易刮傷而認爲並不興用 產業上利用性 _ 以上述可以明白,本發明可以提供一種光6汛":Li錄媒 體,其具備有具有優良透明性,且具有優良耐奶耗性、記 錄膜保護性能與機械特性之光透過膜。本發叫之光資訊媒 體,適用於再生專用光資訊媒體、光記錄碟丨1「等之各種光 資訊媒體,舉例來說,非常適用於具有100微米程度光透 過層的高密度型光資訊媒體,使用藍色雷射光進行讀取及 /或寫入之光資訊媒體。 雖然本發明已以一較佳實施例揭露如上’然其並非用 以限定本發明,任何熟習此技藝者,在不脫離本發明之精 神和範圍內,當可作些許之更動與潤飾,因此本發明之保 護範圍當視後附之申請專利範圍所界定者爲準。 拾·、申請專利範圍 1.一種光資訊媒體’包括: 一支撐基底,具有一資訊記錄面; 一光透過層’設置於該資訊記錄面上’透過此該光透 過層而使記錄光及/或再生光入射,而可使用該光資訊媒 體, 其特徵在於該光透過層爲包括下述化學式⑴所表不之 一胺基甲酸乙酯二(甲基)丙烯酸酯化合物(A)與除了該胺基 11021pif.doc/008 35 200304136 屮酸乙酯二(甲基)丙烯酸酯化合物(A)以外之一胺基甲酸乙 船甲基)丙烯酸酯化合物(B)之一活化能量線硬化性組成 物的一硬化物,該硬化物在25°C之溫度下,拉伸彈性模數 爲600MPa以上、1300MPa以下,且在波長400微米時光 透過率爲80%以上:(I) (式中Ri表示脂環式二異氰酸酯殘基’ R2表示烷撐基或含 有環烷基或酯鍵之有機基,R3表示氫原子或甲基。) 2. 如申請專利範圍第1項所述之光資訊媒體,其中該 硬化物在25°c之溫度下,拉伸降伏強度爲20MPa以上。 3. 如申請專利範圍第1項所述之光資訊媒體,其中該 胺基甲酸乙酯二(甲基)丙烯酸酯化合物(B)之重量平均分子 量爲在1000〜10000之範圍內。 4. 如申請專利範圍第1項所述之光資訊媒體,其中該 活化能量線硬化性組成物中,化學式⑴所表不之該妝基甲 酸乙酯二(甲基)丙烯酸酯化合物(A)的含有量爲5〜30重量 份、除了該胺基甲酸乙酯二(甲基)丙烯酸酯化合物(A)以外 之該胺基甲酸乙酯二(甲基)丙烯酸酯化合物(B)的含有量爲 30〜90重量份、除了該胺基甲酸乙酯二(甲基)丙烯酸酯化 合物(A)與該胺基甲酸乙酯二(甲基)丙烯酸酯化合物(B)以 11021pif.doc/008 36 200304136 外之一乙烯性不飽和化合物(C)之含有量爲4〜50重量份 [(A)成分、(B)成分、(C)成分之總和爲100重量份]。 5. 如申請專利範圍第1項所述之光資訊媒體,其中該 活化能量線硬化性組成物中,包括一光聚合引發劑(D), 該光聚合引發劑(D)至少係選自二苯甲酮、二乙氧基乙醯 苯酮、2-羥基-2-甲基-1-苯基丙-1-酮、1-羥基環己基-苯酮 與甲基苯醯基甲酸酯所組之族群之其中之一。 6. 如申請專利範圍第1項所述之光資訊媒體,其中該 光透過層之厚度爲30〜300微米。 7. 如申請專利範圍第1項所述之光資訊媒體,其中該 光學資訊媒體是使用於記錄再生波長及/或再生波長;I與 記錄再生用對物鏡之數値孔徑NA關係爲λ/NAS 680之光 學記錄再生系統。 11021pif.doc/008 37 200304136 the light transmission layer is 80% for the light with 400nm wavelength. (In the formula (I), presents alicyclic isocyanate residue,R2 presents alkylene or organic group contains cycloalkyl group or ester bond, R3 presents hydrogen or methyl group.) 〇 〇 〇 〇 _r2. 人•N NΗ H R2、〇^^ r3 ⑴ 陸、(一)、本案指定代表圖爲:第 圖柒、本案若有化學式時,請揭示最能顯示發明特徵的 化學式: 11021pif.doc/008 〇 〇 〇 r3 ⑴ 5
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JP2002230834A (ja) * | 2000-06-26 | 2002-08-16 | Tdk Corp | 光情報媒体、その製造方法、その記録または再生方法、およびその検査方法 |
JP2002109785A (ja) | 2000-09-28 | 2002-04-12 | Dainippon Ink & Chem Inc | 光ディスク及びこれに用いる紫外線硬化性組成物 |
JP2002230837A (ja) * | 2001-01-30 | 2002-08-16 | Asahi Glass Co Ltd | ハードコート層を有する青色レーザーディスク((登録商標)およびその製造方法 |
TW200307733A (en) * | 2002-02-01 | 2003-12-16 | Natoco Co Ltd | Composition curable with actinic energy ray and use thereof |
-
2002
- 2002-03-11 JP JP2002065212A patent/JP4860884B2/ja not_active Expired - Fee Related
-
2003
- 2003-03-10 TW TW092105110A patent/TWI253073B/zh not_active IP Right Cessation
- 2003-03-10 EP EP03744026A patent/EP1484756B1/en not_active Expired - Lifetime
- 2003-03-10 KR KR1020047014149A patent/KR100607311B1/ko not_active IP Right Cessation
- 2003-03-10 US US10/506,605 patent/US7374806B2/en not_active Expired - Lifetime
- 2003-03-10 AT AT03744026T patent/ATE343205T1/de not_active IP Right Cessation
- 2003-03-10 DE DE60309138T patent/DE60309138T2/de not_active Expired - Lifetime
- 2003-03-10 WO PCT/JP2003/002763 patent/WO2003077243A1/ja active IP Right Grant
- 2003-03-10 CN CNB038057611A patent/CN1310234C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI400702B (zh) * | 2007-08-22 | 2013-07-01 | Mitsubishi Kagaku Media Co Ltd | Optical recording media |
TWI476767B (zh) * | 2008-05-01 | 2015-03-11 | Sony Corp | An optical recording medium and a reactive crosslinked resin composition used therein |
Also Published As
Publication number | Publication date |
---|---|
WO2003077243A1 (en) | 2003-09-18 |
ATE343205T1 (de) | 2006-11-15 |
EP1484756A1 (en) | 2004-12-08 |
JP4860884B2 (ja) | 2012-01-25 |
CN1643586A (zh) | 2005-07-20 |
DE60309138T2 (de) | 2007-08-16 |
CN1310234C (zh) | 2007-04-11 |
JP2003263780A (ja) | 2003-09-19 |
KR20040097161A (ko) | 2004-11-17 |
TWI253073B (en) | 2006-04-11 |
EP1484756A4 (en) | 2005-07-27 |
US20050118380A1 (en) | 2005-06-02 |
US7374806B2 (en) | 2008-05-20 |
EP1484756B1 (en) | 2006-10-18 |
KR100607311B1 (ko) | 2006-07-31 |
DE60309138D1 (de) | 2006-11-30 |
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