JPH0453824B2 - - Google Patents
Info
- Publication number
- JPH0453824B2 JPH0453824B2 JP1048423A JP4842389A JPH0453824B2 JP H0453824 B2 JPH0453824 B2 JP H0453824B2 JP 1048423 A JP1048423 A JP 1048423A JP 4842389 A JP4842389 A JP 4842389A JP H0453824 B2 JPH0453824 B2 JP H0453824B2
- Authority
- JP
- Japan
- Prior art keywords
- coating
- radiation
- optical fiber
- diisocyanate
- molecular weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000000576 coating method Methods 0.000 claims description 43
- 239000011248 coating agent Substances 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 17
- 239000013307 optical fiber Substances 0.000 claims description 15
- 125000005442 diisocyanate group Chemical group 0.000 claims description 10
- 239000000178 monomer Substances 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 8
- 239000004814 polyurethane Substances 0.000 claims description 8
- 230000009477 glass transition Effects 0.000 claims description 3
- 229920001519 homopolymer Polymers 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000008199 coating composition Substances 0.000 description 10
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 9
- -1 hydroxyalkyl acrylate Chemical compound 0.000 description 9
- 230000005855 radiation Effects 0.000 description 8
- 125000004386 diacrylate group Chemical group 0.000 description 7
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 6
- 239000004721 Polyphenylene oxide Substances 0.000 description 6
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 6
- 239000003365 glass fiber Substances 0.000 description 6
- 229920000570 polyether Polymers 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- INQDDHNZXOAFFD-UHFFFAOYSA-N 2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOC(=O)C=C INQDDHNZXOAFFD-UHFFFAOYSA-N 0.000 description 4
- HCLJOFJIQIJXHS-UHFFFAOYSA-N 2-[2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOCCOC(=O)C=C HCLJOFJIQIJXHS-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 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 4
- 229930185605 Bisphenol Natural products 0.000 description 4
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical group OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 150000002334 glycols Chemical class 0.000 description 3
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- PIZHFBODNLEQBL-UHFFFAOYSA-N 2,2-diethoxy-1-phenylethanone Chemical compound CCOC(OCC)C(=O)C1=CC=CC=C1 PIZHFBODNLEQBL-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
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 2
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 description 2
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 2
- 239000012965 benzophenone Substances 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical group OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 125000005395 methacrylic acid group Chemical group 0.000 description 2
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- AZIQALWHRUQPHV-UHFFFAOYSA-N prop-2-eneperoxoic acid Chemical compound OOC(=O)C=C AZIQALWHRUQPHV-UHFFFAOYSA-N 0.000 description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- PSGCQDPCAWOCSH-UHFFFAOYSA-N (4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl) prop-2-enoate Chemical compound C1CC2(C)C(OC(=O)C=C)CC1C2(C)C PSGCQDPCAWOCSH-UHFFFAOYSA-N 0.000 description 1
- VNQXSTWCDUXYEZ-UHFFFAOYSA-N 1,7,7-trimethylbicyclo[2.2.1]heptane-2,3-dione Chemical compound C1CC2(C)C(=O)C(=O)C1C2(C)C VNQXSTWCDUXYEZ-UHFFFAOYSA-N 0.000 description 1
- UUWJBXKHMMQDED-UHFFFAOYSA-N 1-(3-chlorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(Cl)=C1 UUWJBXKHMMQDED-UHFFFAOYSA-N 0.000 description 1
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- FEWFXBUNENSNBQ-UHFFFAOYSA-N 2-hydroxyacrylic acid Chemical class OC(=C)C(O)=O FEWFXBUNENSNBQ-UHFFFAOYSA-N 0.000 description 1
- RZVINYQDSSQUKO-UHFFFAOYSA-N 2-phenoxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC1=CC=CC=C1 RZVINYQDSSQUKO-UHFFFAOYSA-N 0.000 description 1
- 102100030872 28S ribosomal protein S15, mitochondrial Human genes 0.000 description 1
- GOLORTLGFDVFDW-UHFFFAOYSA-N 3-(1h-benzimidazol-2-yl)-7-(diethylamino)chromen-2-one Chemical compound C1=CC=C2NC(C3=CC4=CC=C(C=C4OC3=O)N(CC)CC)=NC2=C1 GOLORTLGFDVFDW-UHFFFAOYSA-N 0.000 description 1
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 description 1
- WHNPOQXWAMXPTA-UHFFFAOYSA-N 3-methylbut-2-enamide Chemical compound CC(C)=CC(N)=O WHNPOQXWAMXPTA-UHFFFAOYSA-N 0.000 description 1
- 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 1
- HMBNQNDUEFFFNZ-UHFFFAOYSA-N 4-ethenoxybutan-1-ol Chemical compound OCCCCOC=C HMBNQNDUEFFFNZ-UHFFFAOYSA-N 0.000 description 1
- 244000168525 Croton tiglium Species 0.000 description 1
- 101100041177 Homo sapiens MRPS15 gene Proteins 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- 229920002396 Polyurea Polymers 0.000 description 1
- 244000028419 Styrax benzoin Species 0.000 description 1
- 235000000126 Styrax benzoin Nutrition 0.000 description 1
- 235000008411 Sumatra benzointree Nutrition 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 229960002130 benzoin Drugs 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 229930006711 bornane-2,3-dione Natural products 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- KORSJDCBLAPZEQ-UHFFFAOYSA-N dicyclohexylmethane-4,4'-diisocyanate Chemical compound C1CC(N=C=O)CCC1CC1CCC(N=C=O)CC1 KORSJDCBLAPZEQ-UHFFFAOYSA-N 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- XVKKIGYVKWTOKG-UHFFFAOYSA-N diphenylphosphoryl(phenyl)methanone Chemical compound C=1C=CC=CC=1P(=O)(C=1C=CC=CC=1)C(=O)C1=CC=CC=C1 XVKKIGYVKWTOKG-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000019382 gum benzoic Nutrition 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- LUCXVPAZUDVVBT-UHFFFAOYSA-N methyl-[3-(2-methylphenoxy)-3-phenylpropyl]azanium;chloride Chemical compound Cl.C=1C=CC=CC=1C(CCNC)OC1=CC=CC=C1C LUCXVPAZUDVVBT-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 229950000688 phenothiazine Drugs 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- KRIOVPPHQSLHCZ-UHFFFAOYSA-N propiophenone Chemical compound CCC(=O)C1=CC=CC=C1 KRIOVPPHQSLHCZ-UHFFFAOYSA-N 0.000 description 1
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 1
- 230000006903 response to temperature Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
Description
æ¬çºæã¯ãã©ã€ããªãŒãŸãã¯ãããã¢ãŒã³ãŒã
ã€ã³ã°ãšãããã³ãŒãã€ã³ã°ãšãæœããããŠãªã
å
ãã¢ã€ããŒã«ãããŠããããã³ãŒãã³ã€ã³ã°çµ
æç©ã«ç¹å®ã®æ§è³ªãæããå
ãã¢ã€ããŒçšæŸå°ç·
硬åæ§ã³ãŒãã€ã³ã°çµæç©ãçšããå
ãã¢ã€ããŒ
ã«é¢ãããããã§ã¯ã¬ã©ã¹ãã¢ã€ããŒãšãããã³
ãŒãã€ã³ã°ã®éã«ãããããã¢ãŒã³ãŒãã€ã³ã°ã
ãã©ã€ããªãŒã³ãŒãã€ã³ã°ãšããŠåæ±ãããã®ã
ããã¢ãŒã³ãŒãã€ã³ã°ã第äžæ¬¡ã³ãŒãã€ã³ã°ãšã
ãã°ããããã³ãŒãã€ã³ã°ã¯ç¬¬äºæ¬¡ã³ãŒãã€ã³ã°
ãšå®çŸ©ããŠãããã
å
åŠçã¬ã©ã¹ãã¢ã€ããŒã¯éä¿¡ç®çã«å¯ŸãéèŠ
æ§ãå¢å€§ããŠãããã¬ã©ã¹ãã¢ã€ããŒãçšããã
ãã¬ã©ã¹è¡šé¢ã湿æ°ããã³æ©èããä¿è·ããå¿
èŠ
ããããããã«ã¯ã¬ã©ã¹ãã¢ã€ããŒãæ圢çŽåŸã«
ã³ãŒãã€ã³ã°ããããšã«ãã€ãŠè¡ãªãã溶åªæº¶æ¶²
ã³ãŒãã³ã€ã³ã°ããã³æŒåºããæœããããããã
ããã®åé¡ã¯çŽ«å€å
硬åæ§ã®ã³ãŒãã€ã³ã°çµæç©
ãçšããããšã«ãã€ãŠããªãã®çšåºŠè§£æ±ºãããŠã
ãã
å
ãã¢ã€ããŒã®ã¬ã©ã¹è¡šé¢ã«æ¥çãããã³ãŒã
ã³ã€ã³ã°ã®äœ¿çšã«ç±æ¥ããåé¡ç¹ã®ïŒã€ãšããŠã
ã¬ã©ã¹ãšã³ãŒãã€ã³ã°ã®éã®æž©åºŠå€åã«å¯Ÿããå¿
çã®åå·®ã«ãã€ãŠçèµ·ãããã¢ã€ããŒã®åŸ®å°å±æ²
ã®åé¡ããããããã¯ç¹ã«æ¥µããŠäœæž©ç°å¢äžã§è
ããããã®åé¡ã解決ããæ段ãšããŠã¯éåžžã«äœ
ãã¢ãžãŠã©ã¹ã®ãã©ã€ããªãŒã³ãŒãã€ã³ã°ãéžæ
ããããšã§ããããã®äœã¢ãžãŠã©ã¹ãæãã玫å€
ç·ç¡¬åæ§ã®çµæç©ãéçºãããŠããããã®ä»¶ã«é¢
ããŠã¯ç±³åœç¹èš±åºé¡170148å·æ现æžïŒåºé¡æ¥ïŒ
1980幎ïŒæ18æ¥ãçºæè
ïŒRobert E.AnselïŒã
ãã³ç±³åœç¹èš±åºé¡ç¬¬398161å·æ现æžïŒåºé¡æ¥ïŒ
1982幎ïŒæ19æ¥ãçºæè
ïŒRobert E.AnselïŒO.
Ray CutlerïŒElias P.MoscovisïŒã«è©³çŽ°ã«èšèŒ
ãããŠããã
ãã©ã€ããªãŒã³ãŒãã€ã³ã°ã«æãŸããäœã¢ãžãŠ
ã©ã¹ãäžããããã«ã¯ãã¬ã©ã¹ãšæ¥è§Šããã³ãŒã
ã€ã³ã°ã«æãŸãã硬床ãšåŒ·éæ§ãç ç²ã«ããªãã
ã°ãªããªããé²åºã³ãŒãã€ã³ã°è¡šé¢ã®ç¡¬åºŠãšåŒ·é
æ§ãå¢å€§ããããã«ã¯ãã©ã€ããªãŒã³ãŒãã€ã³ã°
ã®äžã«ç¬¬äºæ¬¡ã³ãŒãã€ã³ã°ãæœããããšãæãŸã
ãããã®ãããªæ§æãæããå
ãã¢ã€ããŒãæäŸ
ããããšãæ¬çºæã®ç®çã§ããã
æ¬çºæã¯ããã©ã€ããªãŒãŸãã¯ãããã¢ãŒã³ãŒ
ãã€ã³ã°ãšãããã³ãŒãã€ã³ã°ãšãæœããããŠãª
ãå
ãã¢ã€ããŒã«ãããŠã
ãããã³ãŒãã€ã³ã°ã
(1) å¹³åååé400ã5000ãæãããžã€ãœã·ã¢ã
ãŒããããŒã¹ãšãããžãšãã¬ã³æ§æ«ç«¯ããªãŠã¬
ã¿ã³ïŒããã³
(2) ãã¢ããªããŒã®ã¬ã©ã¹è»¢ç§»æž©åºŠã55âãŸãã¯
ãã以äžãšãªã液ç¶ã®æŸå°ç·ç¡¬åæ§ã¢ããšãã¬
ã³æ§äžé£œåã¢ãããŒãå«æããªãæŸå°ç·ç¡¬åæ§
çµæç©ã®å®€æž©ã§ã®ã¢ãžãŠã©ã¹ã40000ã
200000psiã§ãã硬åç©ã§ããããšãç¹åŸŽãšã
ãå
ãã¢ã€ããŒãæäŸãããã®ã§ããã
ãžã¢ã¯ãªã¬ãŒãæ«ç«¯ã®ããªãŠã¬ã¿ã³ã«ã€ããŠæŽ
ã«è©³çŽ°ã«èª¬æãããšãããã¯ååé400ã5000ã
奜ãŸããã¯800ã2500ã®ãžã€ãœã·ã¢ããŒãæ«ç«¯ã®
ååç©äžã«ã¢ã¯ãªã¬ãŒãå®èœæ§æ«ç«¯åºãé
眮ãã
ããšã«ãã€ãŠçæããããããã€ãã®è£œé æ¹æ³ã
çšãããããããã®ãžã€ãœã·ã¢ããŒãæ«ç«¯ååç©
ã¯ææ©ãžã€ãœã·ã¢ããŒããšïŒåã®ã€ãœã·ã¢ããŒã
åå¿æ§æ°ŽçŽ ååãæããèèªæååãšã®åå¿çæ
ç©ã§ãããæ°ŽçŽ ååã¯äŸãã°OHãSHãŸãã¯
NH2åºã«ãã€ãŠäžããããã
ãããã®ãžã€ãœã·ã¢ããŒãæ«ç«¯åå¿çæç©ã¯ïŒ
ã10åã奜ãŸããã¯ïŒãïŒåã®ãŠã¬ã¿ã³åºããã³
ïŒãŸãã¯ïŒå°¿çŽ åºãå«ãã
èèªæåºã¯ïŒïŒïŒâãããµã³ãžãªãŒã«ã®ãããª
åçŽãªã¢ã«ã«ã³ãžãªãŒã«ã§ãããèèªæåºã¯ããª
ãšãŒãã«ãããªãšã¹ãã«ããã³ããªãšãŒãã«âãš
ã¹ãã«åºããéžã°ããã®ã奜ãŸãããããªãšãŒã
ã«åºã®äŸã¯ãããã©ã¡ãã¬ã³ã°ãªã³ãŒã«ãïŒã¢ã«
ã®ãšãã¬ã³ã°ãªã³ãŒã«ãšïŒã¢ã«ã®ã¢ãžãã³é
žãšã®
ãšã¹ãã«åå¿çæç©ã«ããããªãšã¹ãã«åºããã
ã³ïŒã¢ã«ã®ãžãšãã¬ã³ã°ãªã³ãŒã«ãšïŒã¢ã«ã®ã¢ãž
ãã³é
žãšã®ãšã¹ãã«åå¿çæç©ã«ããããªãšãŒã
ã«âãšã¹ãã«åºã§ããã
é©åœãªãžã€ãœã·ã¢ããŒãã¯ã€ãœããã³ãžã€ãœã·
ã¢ããŒããïŒïŒïŒâãã«ãšã³ãžã€ãœã·ã¢ããŒãã
ãã³ãã®ç°æ§äœã®ãããªèèªæãŸãã¯è³éŠæã§ã
ãããã«ãšã³ãžã€ãœã·ã¢ããŒãã奜ãŸããããã®
çš®ã®ç©è³ªã¯æè¡äžå
¬ç¥ã§ããã
ãžã€ãœã·ã¢ããŒãã®ãžã¢ã¯ãªã¬ãŒãæ«ç«¯åã¯çš®
çš®ãªæ¹æ³ã§éæããããå³ã¡ãå§ãã«é«ååéã®
ãžã€ãœã·ã¢ããŒããçæããã次ãã§ãããïŒã¢
ã«å²åã®ããããã·ã¢ã«ãã«ã¢ã¯ãªã¬ãŒããšåå¿
ãããåã€ãœã·ã¢ããŒãåºã«ïŒåã®äžé£œååºãä»
çãããããããã®ããããã·ã¢ã«ãã«ã¢ã¯ãªã¬
ãŒãã¯ïŒãïŒåã®ççŽ ååããã€ã¢ã«ãã«ãæã
ããã®ã§ãäŸãã°ããããã·ãšãã«ã¢ã¯ãªã¬ãŒ
ããããããã·ãããã«ã¢ã¯ã¬ãŒãã§ãããæã
ã¯ãŸããå
ã¥ããããã·ã¢ã«ãã«ã¢ã¯ãªã¬ãŒãã
ïŒã¢ã«ã®äœååéã®ãžã€ãœã·ã¢ããŒããšãåå¿ã
ãã次ãã§åŸãããäžé£œåã¢ãã€ãœã·ã¢ããŒãïŒ
ã¢ã«ãšææã®ååéãäžãããžããããã·ååç©
ïŒã¢ã«ãšãåå¿ããããäœãã®æ¹æ³ãæè¡äžå
¬ç¥
ã§ããã
ããªãŠã¬ã¿ã³äžã«ã¯ãåè¿°ãããžã€ãœã·ã¢ããŒ
ãïŒã¢ã«ãšããããã·ãšãã«ã¢ã¯ãªã¬ãŒãïŒã¢ã«
ãšã®åå¿ã§å°¿çŽ åºãå°å
¥ããïŒåã®æªåå¿ã€ãœã·
ã¢ããŒãåºãå«ãäžé£œåãŠã¬ã¿ã³çæç©ãäžããŠ
ãããã次ãã§ããã®ã¢ãã€ãœã·ã¢ããŒãïŒã¢ã«
ãšããã¬ã³ãžã¢ãã³ã®ãããªãžã¢ãã³ïŒã¢ã«ãšã
åå¿ãããããšã«ãã€ãŠïŒåã®æ«ç«¯ã¢ã¯ãªã¬ãŒã
åºããã€ããªå°¿çŽ ããªãŠã¬ã¿ã³ãåŸããå°¿çŽ å«æ
ãžã¢ã¯ãªã¬ãŒãã¯ç±³åœç¹èš±ç¬¬4097439å·æ现æžã«
詳现ã«èª¬æãããŠããã
æŸå°ç·ç¡¬åé床ãå¢å€§ããªããå¡åžç²åºŠãäœæž
ãããããããæ¹æ³ã¯çŽ55â以äžã®Tgãæãã
æŸå°ç·ç¡¬åæ§ã¢ããšãã¬ã³æ§äžé£œåã®æ¶²ç¶ã¢ãã
ãŒã䜿çšããããšã§ãããTgã¯ãã®ã¢ãããŒã
ã補é ããããã¢ããªããŒã®ã¬ã©ã¹è»¢ç§»æž©åºŠã瀺
ããããã«äœ¿çšããé«ãTgã®ã¢ãããŒã®äŸã¯ãž
ã¡ãã«ã¢ã¯ãªã«ã¢ãããâããã«ãããªãã³ã
ã€ãœãã«ãã«ã¢ã¯ãªã¬ãŒããã¢ã¯ãªã«é
žããã³ãž
ã·ã¯ããã³ããã«ã¢ã¯ãªã¬ãŒãã§ãããâãã
ã«ãããªãã³ã¯äœç²åºŠã§ãããåæã«ç¡¬åé床ã
å¢å€§ãããã®ã§å¥œãŸããã
âããã«ãããªãã³ããã³ããã®å¹æã¯è¥å¹²
å£ããä»ã®äŸç€ºã¢ãããŒããæŸå°ç·ç¡¬åæ§ã³ãŒã
ã€ã³ã°ã®ç²åºŠãäœæžããã硬åé床ãåäžããåŸ
ãããšã¯ç¥ãããŠããããæ¯èŒçå€éã®é«Tgã¢
ãããŒã硬åã³ãŒãã€ã³ã°ã®äžè¬ã®åŒ·éæ§ããã³
äžçšåºŠã®ã¢ãžãŠã©ã¹ãç¶æããªãããã³ãŒãã€ã³
ã°çµæç©ã®ç¡¬åºŠãå¢å€§ãããããšã¯ç¥ãããŠããª
ãããã®ããã«ãâããã«ãããªãã³ããã³ã
ã®ä»åæããé«Tgã¢ãããŒã¯è¥å¹²ã®åæ¥çã«é
éãªç®çãåæã«éæããã
æ¬çºæã®å
ãã¢ã€ããŒã®ãããã³ãŒãã³ã€ã³ã°
ã«çšããæŸå°ç·ç¡¬åæ§çµæç©ã«ã¯ãã³ãŒãã€ã³ã°
ã«å¯æãã®ç¡¬åºŠãšå€§ããªç©çç匷éæ§ãäžããã
ãã«çµæç©ã®ïŒãªãã40ééïŒ
ãååéç1000ãŸ
ã§ã奜ãŸããã¯400以äžã®ãã¹ããšããŒã«ïŒãã¹
ããšããŒã«ïŒ¡ã奜ãŸããïŒã®ãžã°ãªã·ãžã«ãšãŒã
ã«ã®ãžãšãã¬ã³æ§äžé£œåãšã¹ãã«ãé
åãããã
玫å€ç·ç¡¬åã§ãã奜ãŸãããšãã¬ã³æ§åºã¯ã¢ã¯ãª
ã¬ãŒãåºã§ããã
奜ãŸãã䜿çšããããã¹ããšããŒã«ã®ãžã°ãªã·
ãžã«ãšãŒãã«ã¯çŽ2.0ã®ïŒïŒïŒâãšããã·åœéã
æããããçŽ1.4以äžãªãã°äœããæçšã§ããã
ãã®ããšã¯åã«ãæãŸãããžã°ãªã·ãžã«ãšãŒãã«
ã¯ãšããã·åœéãæžããã¢ãã°ãªã·ãžã«ãšãŒãã«
ãšã®æ··åç©ã§ãã€ãŠãããããšãæå³ããã
ãããã®ãžã°ãªã·ãžã«ãšãŒãã«ã¯äœååéã®ã
ã®ã§ããå Žåã¯ïŒããããã·ã¢ã¯ãªã¬ãŒã圢æã®
ããä»å ã«ãã€ãŠïŒãžã¢ã¯ãªã¬ãŒãã®åœ¢æã«çšã
ãããšãã§ããããããã¯ãžã¢ã¯ãªã¬ãŒãæ«ç«¯ã
ãªãŠã¬ã¿ã³ãšçµåãããŠäœ¿çšããäžè¿°ã®åŠãè¯å¥œ
ãªç¡¬åºŠãšéæ§ãæããäžçšåºŠã¢ãžãŠã©ã¹ã®ã³ãŒã
ã€ã³ã°ãäžããã
ããã¹ããšããŒã«ãã®èªã¯ãéåžžã¯ã¢ã«ãã¬ã³
åºã§ããäžéïŒäŸ¡åºãä»ããŠïŒå¯Ÿã®ããšããŒã«åº
ãçµåããããã®ã§ããããã¹ããšããŒã«ã®åã
ãšããŒã«éšåã«ããããšããŒã«æ§OHåºããã©äœ
眮ã«ããããããäžéã®ïŒäŸ¡åºãšããŠïŒïŒïŒâã
ããã¬ã³ãçšãããããšãã¯ããã®çæç©ã¯ãã¹
ããšããŒã«ïŒ¡ãšããŠç¥ãããå·¥æ¥çã«å©çšãããŠ
ããã
ãããã³ãŒãã€ã³ã°ã®ç¡¬åºŠã¯æŽã«ãã³ãŒãã€ã³
ã°çµæç©ã®ïŒã30ééïŒ
ã®ãååéçŽ300以äžã
äŸãã°ããªãšãã¬ã³ã°ãªã³ãŒã«ãžã¢ã¯ãªã¬ãŒããŸ
ãã¯ããã©ãšãã¬ã³ã°ãªã³ãŒã«ãžã¢ã¯ãªã¬ãŒãã®
ãããªããªãšãŒãã«ã°ãªã³ãŒã«ã®ãžã¢ã¯ãªã¬ãŒã
ãšã¹ãã«ãå
å«ãããããšã«ãã€ãŠåäžãããã
ãšãã§ããããžã¢ã¯ãªã¬ãŒããšã¹ãã«ãçšããå Ž
åã¯æŽã«ïŒãªãã15ééïŒ
ã®ããªã¢ã¯ãªã¬ãŒãã
äŸãã°ããªã¡ãããŒã«ãããã³ããªã¢ã¯ãªã¬ãŒã
ãŸãã¯ãã³ã¿ãšãªã¹ãªããŒã«ããªã¢ã¯ãªã¬ãŒãã
å«ãŸããã®ã奜ãŸããã
ããªãšãŒãã«ã°ãªã³ãŒã«ã®ãžã¢ã¯ãªã¬ãŒããšã¹
ãã«ãå«æãããããšã«ãã€ãŠå¥ãããå¹æã¯æŸ
å°ç·ç¡¬åæ§ã®ã³ãŒãã€ã³ã°ãæœããããšãã«è¿
é
ãªç¡¬åãåŸããããšããããšã«ããã
ããã«äœ¿çšããããªãšãŒãã«ã°ãªã³ãŒã«ã®ãžã¢
ã¯ãªã¬ãŒããšã¹ãã«ã¯äœç²åºŠã§ãããç¹ã«çŽ«å€å
ãçšãããšæŸå°ç·ç¡¬åãéããçµæç©ã®äž»æåã«
ãã€ãŠäžãããã硬床ãšåŒ·éæ§ãèããç ç²ã«ã
ãããšã¯ãªãã
玫å€å
ã奜ãŸããã®ã§ã¢ã¯ãªã«äžé£œåãæè¯ã§
ããããæŸå°ç·ãå€ããã°ã䜿çšããäžé£œåã®ç¹
質ãå€ã€ãŠãããä»ã®æçšãªãšãã¬ã³æ§äžé£œåæ
åãäŸç€ºãããšãã¡ã¿ã¯ãªã«ç³»ãã€ã¿ã³ã³ç³»ãã¯
ããã³ç³»ãã¢ãªã«ç³»ãããã«ç³»ãªã©ã§ããããã
ãã¯äŸãã°ãã¡ã¿ã¯ãªã«ç³»äžé£œåãçšããå Žåã¯
ã€ãœã·ã¢ããŒãå®èœåºãšïŒâããããã·ã¡ã¿ã¯ãª
ã¬ãŒããšã®åå¿ã§åŸãããšãã§ãããã¢ãªã«ç³»äž
飜åã¯ããããã·ã¢ã¯ãªã¬ãŒãã®ä»£ãã«ã¢ãªã«ã¢
ã«ã³ãŒã«ãçšããŠå°å
¥ãããããã«ç³»äžé£œåã¯ã
ãããã·ã¢ã¯ãªã¬ãŒãã®ä»£ãã«ããããã·ããã«
ããã«ãšãŒãã«ãçšããŠå°å
¥ããããšãã§ããã
ãããã€ãŠã奜ãŸããäŸç€ºãšããŠã¢ã¯ãªã¬ãŒã
äžé£œåã«ã€ããŠèª¬æããããä»ã®æŸå°ç·ç¡¬åæ§ã®
ã¢ããšãã¬ã³æ§äžé£œååºãã¡ã¿ã¢ã¯ãªã«æ§äžé£œå
ã®äŸç€ºãšåæ§ã«çœ®ãæããŠäœ¿çšããããšãã§ã
ãã
å
ãã¢ã€ããŒãžã®ã³ãŒãã€ã³ã°ã«éããŠç¡¬åã«
çšããæŸå°ç·ã¯äœ¿çšããå
éå§å€ã«ããé©å®éžæ
ããããå¯èŠå
ã§ãé©åœãªå
éå§å€ãçšããŠäœ¿çš
ããããšãã§ããããããã®äŸã¯ã«ã³ãã¢ãŒãã
ã³ããã³ã¯ããªã³ã§ãã€ãŠãããªãšã¿ããŒã«ã¢ã
ã³ã®ãããªç¬¬ïŒçŽã¢ãã³ãšäžç·ã«äœ¿çšãããããž
ããšãã«ãã³ãŸã€ã«ãã¹ãã€ã³ãªããµã€ãã¯çŽ«å€
ããè¿çŽ«å€é åã§æçšã§ããã
玫å€å
ã䜿çšãããšãã¯ãã³ãŒãã€ã³ã°çµæç©
ã«éåžžãã±ãã³æ§ã®å
éå§å€ãäŸãã°çŽïŒïŒ
ã®ãž
ãšããã·ã¢ã»ãããšãã³ãå
éå§å€ãšããŠå«ãŸã
ããã¢ã»ãããšãã³ããã³ãŸããšãã³ãïœâã¯ã
ãã¢ã»ãããšãã³ãããããªããšãã³ãããªããµ
ã³ãã³ããã³ãŸã€ã³ããã³ãžã«ãã¢ã³ã¹ã©ããã³
ãªã©ã®ä»ã®å
éå§å€ãç¥ãããŠãããå
éå§å€ã¯
åç¬ãŸãã¯æ··åç©ã§çšããããã³ãŒãã€ã³ã°çµæ
ç©ã®çŽ10ïŒ
ãŸã§ã®éã§ååšãããããžã¡ãã«ã¢ã
ã³ã®ãããªçš®ã
ã®ã¢ãã³ãååšãããããšã¯ã§ã
ãããããã§ã¯ç¹ã«å¿
èŠã§ã¯ãªãã
æ¬çºæã«äœ¿çšãããæŸå°ç·ç¡¬åæ§ã³ãŒãã€ã³ã°
ã¯ãããã¢ãŒã³ãŒãããå
ãã¢ã€ããŒã®ãããã³
ãŒããšããŠæœãããããšç¬ç¹ãªå¹æã瀺ããäžèš
ã³ãŒãã€ã³ã°çµæç©ã¯ç¡¬åã«äœ¿çšãããæŸå°ãšã
ã«ã®ãŒã®åŠäœã«ããããããå
ãã¢ã€ããŒã®ãã
ãã³ãŒããšããŠæçšãªãããã硬床ã匷éæ§ã䜵
ãæããŠããã
æ¬çºæã«äœ¿çšãããã³ãŒãã€ã³ã°ã¯ç¡¬åãã
ãšã宀枩ã§éåžžã40000ã200000psiïŒ2812ã14062
KgïŒcm2ïŒã®ç¯å²ã®ã¢ãžãŠã©ã¹ãæãããããã¯å
ãã¢ã€ããŒã®ã¬ã©ã¹è¡šé¢ãšçŽæ¥æ¥è§Šããã³ãŒãã€
ã³ã°ãšããŠåœ¹ç«ãããã®ã«ã¯å
ãããããã®ãã
çšãããããããã¢ãŒã³ãŒãã€ã³ã°ã¯å®€æž©ã§æž¬å®
ããŠçŽ15000psiïŒ1054KgïŒcm2ïŒä»¥äžã®ã¢ãžãŠã©ã¹
ãæãããã®ãå¿
èŠãšãããã
倧æŠã®æŸå°ç·ç¡¬åæ§ã³ãŒãã€ã³ã°ã¯éåžžã«é«ã
ã¢ãžãŠã©ã¹ãæããæ¬çºæã§äœ¿çšããã«ã¯è匱ã
ããããããã®è匱ãªã³ãŒãã³ã€ã³ã°ãå€æ§ããŠ
èããå°ããããšã匷床ã倱ãªããããããã
ãŠãæ®éã®ã¢ãžãŠã©ã¹ãæããªãã硬床ãšåŒ·éæ§
ã®çµåãããæããã³ãŒãã€ã³ã°ã¯æ¬çºæã®ç¹å¥
ã®ç®çã«å¯ŸããŠé©åããŠäœ¿çšãããã®ã§ããã
è¡šã«æ¬çºæã«äœ¿çšå¯èœãªã³ãŒãã€ã³ã°çµæç©
ã®è¥å¹²äŸã瀺ãã
The present invention relates to an optical fiber having a primary or buffer coating and a top coating, in which the top coating composition uses a radiation-curable coating composition for optical fibers having specific properties. Here, the buffer coating between the glass fiber and the top coating is also treated as a primary coating. If this buffer coating is defined as a primary coating, the top coating may be defined as a secondary coating. Optical glass fibers are becoming increasingly important for communication purposes, and the use of glass fibers requires protection of the glass surfaces from moisture and abrasion. This is accomplished by coating the glass fibers immediately after molding. Although solvent solution coating and extrusion are used, these problems have been overcome to a large extent by the use of ultraviolet light curable coating compositions. One problem that arises from the use of coatings that are bonded to the glass surface of optical fibers is that
There is a problem with microbending of the fiber caused by deviations in response to temperature changes between the glass and the coating. This is particularly noticeable in extremely low temperature environments. A solution to this problem is to select a primary coating with a very low modulus, and UV-curable compositions with this low modulus have been developed. No. 170,148 (filing date:
July 18, 1980, Inventor: Robert E. Ansel) and U.S. Patent Application No. 398,161 (Filing date:
July 19, 1982 Inventor: Robert E. Ansel, O.
Ray Cutler, Elias P. Moscovis). In order to provide the desired low modulus for the primary coating, the hardness and toughness desired for the coating in contact with the glass must be sacrificed. It is desirable to apply a secondary coating over the primary coating to increase the hardness and toughness of the exposed coating surface. It is an object of the present invention to provide an optical fiber having such a configuration. The present invention provides an optical fiber having a primary or buffer coating and a top coating, wherein the top coating is (1) a diethylenically terminated polyurethane based on a diisocyanate having an average molecular weight of 400 to 5000; and (2) A radiation-curable composition containing a liquid radiation-curable monoethylenically unsaturated monomer whose homopolymer has a glass transition temperature of 55°C or higher has a modulus at room temperature of 40,000 to 40,000.
The present invention provides an optical fiber characterized by being a cured product having a strength of 200,000 psi. To explain in more detail about diacrylate-terminated polyurethane, it has a molecular weight of 400 to 5000,
It is preferably produced by placing an acrylate functional end group on a diisocyanate terminated compound of 800-2500. Although several methods of preparation are used, the diisocyanate-terminated compound is the reaction product of an organic diisocyanate and an aliphatic molecule having two isocyanate-reactive hydrogen atoms. Hydrogen atoms are e.g. OH, SH or
given by the NH 2 group. These diisocyanate-terminated reaction products are 2
Contains ~10, preferably 2-4 urethane and/or urea groups. Preferably, the aliphatic group is a simple alkanediol such as 1,6-hexanediol, and the aliphatic group is selected from polyether, polyester and polyether-ester groups. Examples of polyether groups are tetramethylene glycol, polyester groups due to the ester reaction product of 2 moles of ethylene glycol and 1 mole of adipic acid, and polyester groups due to the ester reaction product of 2 moles of diethylene glycol and 1 mole of adipic acid. It is a polyether-ester group. Suitable diisocyanates are aliphatic or aromatic, such as isophorone diisocyanate, 2,4-toluene diisocyanate and its isomers. Toluene diisocyanate is preferred, and materials of this type are known in the art. Diacrylate termination of diisocyanates is accomplished in a variety of ways. That is, a high molecular weight diisocyanate is first produced and then it is reacted with a 2 molar proportion of hydroxyalkyl acrylate to attach one unsaturated group to each isocyanate group. These hydroxyalkyl acrylates have alkyl having 2 to 6 carbon atoms, such as hydroxyethyl acrylate, hydroxypropyl acrylate. Alternatively, hydroxyalkyl acrylate is first reacted with 1 mole of low molecular weight diisocyanate, and then the resulting unsaturated monoisocyanate 2
1 mole of dihydroxy compound giving the desired molecular weight are reacted. Both methods are known in the art. Urea groups may be introduced into the polyurethane by reaction of 1 mole of the diisocyanate described above with 1 mole of hydroxyethyl acrylate to give an unsaturated urethane product containing one unreacted isocyanate group. A polyurea polyurethane having two terminal acrylate groups is then obtained by reacting 2 moles of this monoisocyanate with 1 mole of a diamine such as butylene diamine. Urea-containing diacrylates are described in detail in US Pat. No. 4,097,439. An excellent method of reducing coating viscosity while increasing radiation cure rate is to use radiation curable monoethylenically unsaturated liquid monomers having a T g of about 55° C. or higher. T g indicates the glass transition temperature of the homopolymer made from that monomer. Examples of high T g monomers used here are dimethylacrylamide, N-vinylpyrrolidone,
isobornyl acrylate, acrylic acid and dicyclopentenyl acrylate. N-vinylpyrrolidone is preferred because it has a low viscosity and at the same time increases cure speed. Although it is known that N-vinylpyrrolidone and, to a lesser extent, other exemplary monomers, can reduce the viscosity and improve cure speed of radiation-curable coatings, relatively large amounts of high T g monomers is not known to increase the hardness of a coating composition while maintaining the general toughness and moderate modulus of the cured coating. Thus, N-vinylpyrrolidone and the other listed high T g monomers simultaneously achieve several commercially important objectives. The radiation curable compositions used in the top coating of the optical fibers of the present invention contain from 5 to 40% by weight of the composition up to a molecular weight of 1000 to impart significant hardness and great physical toughness to the coating. Preferably, diethylenically unsaturated esters of diglycidyl ethers of bisphenols (preferably bisphenol A) of 400 or less are incorporated.
Preferred ethylenic groups that can be UV cured are acrylate groups. The diglycidyl ether of bisphenol preferably used has a 1,2-epoxy equivalent weight of about 2.0, although anything above about 1.4 is useful.
This simply means that the desired diglycidyl ether may be in a mixture with a monoglycidyl ether that reduces the epoxy equivalent weight. These diglycidyl ethers, if of low molecular weight, can be used to form diacrylates (by addition to form hydroxyacrylates). These are used in combination with diacrylate terminated polyurethanes to provide medium modulus coatings with good hardness and toughness as described above. The term "bisphenol" refers to a pair of phenol groups linked through an intermediate divalent group, usually an alkylene group. When the phenolic OH group in each phenol moiety of bisphenol is in the para position and 2,2-propylene is used as the intermediate divalent group, the product is known as bisphenol A and is industrially It's being used. The hardness of the top coating is further determined by the fact that 5 to 30% by weight of the coating composition has a molecular weight of about 300 or less;
Improvements can also be made by the inclusion of diacrylate esters of polyether glycols, such as triethylene glycol diacrylate or tetraethylene glycol diacrylate. If a diacrylate ester is used, additionally 1 to 15% by weight of triacrylate;
For example, it is preferred to include trimethylolpropane triacrylate or pentaerythritol triacrylate. The effect of the inclusion of diacrylate esters of polyether glycols is that rapid curing is obtained when radiation-curable coatings are applied. The diacrylate esters of polyether glycols used herein have low viscosities and are fast to radiation cure, especially with ultraviolet light, without significantly sacrificing the hardness and toughness provided by the main components of the composition. . Ultraviolet light is preferred, so acrylic unsaturation is best, but as the radiation changes, the nature of the unsaturation used will also change. Examples of other useful ethylenically unsaturated components include methacrylates, itacones, crotons, allyls, and vinyls. These can be obtained, for example, when methacrylic unsaturation is used, by reaction of isocyanate functions with 2-hydroxymethacrylate. Allyl unsaturation is introduced using allyl alcohol instead of hydroxyacrylate. Vinyl unsaturation can be introduced using hydroxybutyl vinyl ether instead of hydroxyacrylate. Therefore, although acrylate unsaturation has been described as a preferred example, other radiation-curable monoethylenically unsaturated groups can also be used in place of the methacrylic unsaturation example. The radiation used for curing when coating an optical fiber is appropriately selected depending on the photoinitiator used. Visible light can also be used with suitable photoinitiators. Examples of these are camphorquinone and coumarin, used together with tertiary amines such as triethanolamine. Diphenylbenzoylphosphine oxide is useful in the ultraviolet and near ultraviolet regions. When ultraviolet light is used, the coating composition typically includes a ketonic photoinitiator, such as about 3% diethoxyacetophenone. Other photoinitiators are also known, such as acetophenone, benzophenone, m-chloroacetophenone, propiophenone, thioxanthone, benzoin, benzyl, anthraquinone. Photoinitiators may be used alone or in mixtures and are present in amounts up to about 10% of the coating composition. Various amines such as dimethylamine can also be present, but are not specifically required here. The radiation curable coating used in this invention exhibits unique effects when applied as a top coat on buffer coated optical fiber. The coating compositions have excellent hardness and toughness that make them useful as optical fiber top coats, regardless of the radiant energy used for curing. Once cured, the coating used in the present invention typically operates between 40,000 and 200,000 psi (2812 and 14,062 psi) at room temperature.
Kg/cm 2 ). This is too hard to serve as a coating in direct contact with the glass surface of the optical fiber. Therefore, the buffer coating used must have a modulus of about 15,000 psi (1054 kg/cm 2 ) or less as measured at room temperature. Most radiation curable coatings have very high modulus and are too brittle for use in the present invention. Modifying these brittle coatings to make them less brittle results in a loss of strength. Thus, coatings having a combination of hardness and toughness while having a normal modulus are suitable for use for the specific purposes of the present invention. The table shows some examples of coating compositions that can be used in the present invention.
ãè¡šã
æåïŒã¯ãïŒâããããã·ãšãã«ã¢ã¯ãªã¬ãŒã
ïŒã¢ã«ãšãžã€ãœã·ã¢ããŒãæ«ç«¯ããªãŠã¬ã¿ã³ïŒã¢
ã«ã®ä»å ç©ã§ãã€ãŠããã®ãŠã¬ã¿ã³ã¯ãã«ãšã³ãž
ã€ãœã·ã¢ããŒãïŒïŒïŒïŒâç°æ§äœ80ïŒ
ãïŒïŒïŒâ
ç°æ§äœ20ïŒ
ïŒãšãããã©ããããã©ã³ã®éåã«ã
ãååé600ã800ã®ããªãšãŒãã«ãžãªãŒã«ãšããŠ
çæãããããªãªãã·ããã©ã¡ãã¬ã³ã°ãªã³ãŒã«
ãšãæ··åä»å ãããŠè£œé ããããã®ãžã€ãœã·ã¢ã
ãŒããã¢ã¯ãªã«åããŠçæãããããªãŠã¬ã¿ã³ã¯
ååéçŽ1900ã§ãããåååœãå¹³åïŒãïŒåã®ãŠ
ã¬ã¿ã³åºãå«ãã
æåïŒãšããŠãdu Pont瀟補å Adiprene 
â200ãçšããŠãããã
æåïŒã¯ããã¹ããšããŒã«ïŒ¡ã®ãžã°ãªã·ãžã«ãš
ãŒãã«ã®ãžã¢ã¯ãªã¬ãŒããšã¹ãã«ã§ãã€ãŠãå¹³å
ååéçŽ390ãæãããæåïŒãšããŠShell瀟補
åãDRH370ã䜿çšããŠãããã
æåïŒã¯ãããã©ãšãã¬ã³ã°ãªã³ãŒã«ãžã¢ã¯ãª
ã¬ãŒãã§ããã
æåïŒã¯ãããªãšãã¬ã³ã°ãªã³ãŒã«ãžã¢ã¯ãªã¬
ãŒãã§ããã
æåïŒã¯ãããªã¡ãããŒã«ãããã³ããªã¢ã¯ãª
ã¬ãŒãã§ããã
æåïŒã¯ãå
éå§å€ãšããŠçšãããã³ãžã«ãžã¡
ãã«ã±ã¿ãŒã«ã§ããã
æåïŒã¯ãããšããã¢ãžã³ã§ããã
æåïŒã¯ããã³ãŸããšãã³ã§ããã
æåïŒã¯ãïŒâããããã·âïŒâïœâãªã¯ãã
ã·ãã³ãŸããšãã³ã§ãã€ãŠããã®ååç©ã¯å
å®å®
å€ãšããŠåãã
æå10ã¯ããžã¡ãã«ã¢ãã³ã§ããã
æå11ã¯ãâããã«ãããªãã³ã§ããã
å°éã®è£å©å€ã䜿çšãããšããäžå±€å¥œãŸããã
ãããè£å©å€ã«ããïŒã€ã®æ©èœã¯æ¬è³ªçæ©èœã§
ã¯ãªããè¡šé¢æœ€æ»æ§ãäžãããçµæäŸïŒã§ã0.01
ïŒ
ã®ãããã©ã¯ã¿ã ããçµæäŸïŒãïŒã§ã¯ã·ãªã³
ãŒã³æ²¹ã䜿çšãããçµæäŸïŒã¯Dow Corning瀟
ã®æµäœDC37ã0.2ïŒ
ããã³åããæµäœDC190 0.4
ïŒ
ã䜿çšãããçµæäŸïŒãšïŒã¯åãæµäœã䜿çšã
ãããDC190ã0.6ïŒ
ã«å¢å ããããçµæäŸïŒãš
ïŒã§ã¯0.07ïŒ
ã®DC57ã0.13ïŒ
ã®DC190ãšäžç·ã«äœ¿
çšãããçµæäŸïŒã«ã¯æŽã«0.2ïŒ
ã®ïŒ®âβâïŒïŒ®â
ããã«âãã³ãžã«ã¢ããïŒãšãã«âïŒâã¢ããã
ããã«ããªã¡ããã·ã·ã©ã³ãã¢ãå¡©é
žå¡©ãšããŠäœ¿
çšããã
è¡šã®ã³ãŒãã€ã³ã°çµæç©ããããã¢ãŒã³ãŒã
ã®æ¬çºæã«ä¿ãã¬ã©ã¹ãã¢ã€ããŒã®ãããã³ãŒã
ãšããŠäœ¿çšããããããã¢ãŒã³ãŒããããå
ãã¢
ã€ããŒã®çŽåŸã¯çŽ125ãã¯ãã³ã§ãããåè¿°ã®ç±³
åœç¹èš±åºé¡ç¬¬170148å·æ现æžèšèŒã®äœã¢ãžãŠã©ã¹
ã®ãããã¢ãŒã³ãŒãã€ã³ã°ãçšããŠåã125ãã¯
ãã³ã«ãããã¢ãŒã³ãŒããããã®ã§ããã詳现ã«
ã¯ããã®ãããã¢ãŒã³ãŒãã€ã³ã°ã¯ïŒã¢ã«ã®ïŒïŒ
4â²âã¡ãã¬ã³ãã¹ïŒã·ã¯ãããã·ã«ã€ãœã·ã¢ããŒ
ãïŒãšïŒã¢ã«ã®ååé1000ã®ããªãªãã·ãããã¬
ã³ã°ãªã³ãŒã«ãšãåå¿ããã次ãã§ïŒã¢ã«ã®ïŒâ
ããããã·ãšãã«ã¢ã¯ãªã¬ãŒããšåå¿ãããæŽã«
ïŒã¢ã«ã®ååé230ã®ããªãªãã·ãããã¬ã³ãšã
3.4ã¢ã«ã®ïŒ®âããã«ãããªãã³ããã³917ã¢ã«ã®
ããšããã·ãšãã«ã¢ã¯ãªã¬ãŒãã®ååšã§åå¿ãã
ãŠè£œé ãããã®ã§ããããã®æ··åç©ãïŒééïŒ
ã®
ãžãšããã·ã¢ã»ãããšãã³ãšå
±ã«æ°èŠã«è£œé ãã
å
ãã¢ã€ããŒäžã§çŽ«å€ç·ç¡¬åãããã
è¡šã«è¡šç€ºãããããã³ãŒããåèšãããã¢ãŒ
ã³ãŒããããã¬ã©ã¹ãã¢ã€ããŒã«åã125ãã¯ã
ã³ã§å¡åžããïŒåçŽåãã10ã€ã³ãïŒ25.4cmïŒã®
äžå§æ°Žéèžæ°ã©ã³ãïŒ300ã¯ããïŒäžãç§é1.5ïœ
ã§ééãããããšã«ãã€ãŠæ¬¡ã®çµæãåŸããèšé²
ãããæ§è³ªã¯åãçŽ75ãã¯ãã³ã®éé¢ãã€ã«ã äž
ã§æž¬å®ãããã®ã§ããã[Table] Component 1 is an adduct of 2 moles of 2-hydroxyethyl acrylate and 1 mole of diisocyanate-terminated polyurethane.
20% isomer) and polyoxytetramethylene glycol produced as a polyether diol with a molecular weight of 600 to 800 by polymerization of tetrahydrofuran. The polyurethane produced by acrylation of this diisocyanate has a molecular weight of about 1900 and contains an average of 5 to 6 urethane groups per molecule. As component 1, du Pont product Adiprene L
-200 may also be used. Component 2 is a diacrylate ester of diglycidyl ether of bisphenol A and has an average molecular weight of about 390. As component 2, Shell's product DRH370 may be used. Component 3 is tetraethylene glycol diacrylate. Component 4 is triethylene glycol diacrylate. Component 5 is trimethylolpropane triacrylate. Component 6 is benzyl dimethyl ketal used as a photoinitiator. Component 7 is a phenothiazine. Component 8 is benzophenone. Component 9 is 2-hydroxy-4-n-octoxybenzophenone, and this compound acts as a light stabilizer. Component 10 is dimethylamine. Component 11 is N-vinylpyrrolidone. It is even more preferred to use small amounts of adjuvants. One function, although not an essential function, of such adjuvants is to provide surface lubricity. In composition example 1, 0.01
% petrolactam, and silicone oil was used in composition examples 2 to 6. Composition Example 2 contains 0.2% of Dow Corning's fluid DC37 and 0.4% of the same fluid DC190.
%It was used. Composition Examples 3 and 5 used the same fluid but increased the DC190 to 0.6%. Composition Examples 4 and 6 used 0.07% DC57 along with 0.13% DC190. Composition Example 6 further contains 0.2% N-β-(N-
Vinyl-benzylamino)ethyl-6-aminopropyltrimethoxysilane was used as the monohydrochloride. The coating compositions listed above were used as top coats for buffer coated glass fibers according to the invention. The buffer coated optical fiber has a diameter of approximately 125 microns and was buffer coated to a thickness of 125 microns using the low modulus buffer coating described in the aforementioned US patent application Ser. No. 170,148. Specifically, this buffer coating contains 4 moles of 4,
4'-methylene bis(cyclohexyl isocyanate) is reacted with 2 moles of polyoxypropylene glycol having a molecular weight of 1000, and then 2 moles of 2-
reacted with hydroxyethyl acrylate, and further with 1 mol of polyoxypropylene having a molecular weight of 230,
It was prepared by reacting in the presence of 3.4 moles of N-vinylpyrrolidone and 917 moles of phenoxyethyl acrylate. This mixture is UV cured on a newly prepared optical fiber with 3% by weight of diethoxyacetophenone. The top coat shown in the table was applied to the buffer-coated glass fiber at a thickness of 125 microns and passed through two series 10 inch (25.4 cm) medium pressure mercury vapor lamps (300 watts) at 1.5 m/s.
The following results were obtained by passing the The properties recorded were measured on a free film approximately 75 microns thick.
ãè¡šããtableã
ãè¡šã
å°ãçµæäŸïŒããã³ïŒã¯ãçµæäŸïŒããã³ïŒã§
åŸãããçµæãšåçã®çµæã瀺ããã®ã§çç¥ã
ãããããã®å®éšã®çµæã«ãããŠãå®æœäŸïŒãã
ã³ïŒã®çµæã¯å¿è«æºè¶³ãªãã®ã§ããããå®æœäŸïŒ
ããã³ïŒã¯æŽã«ããããŠããããã®çµæã¯é¡èã§
ãããå³ã¡ãå®æœäŸïŒããã³ïŒã®ç²åºŠã¯ãããã
å®æœäŸïŒããã³ïŒã®å€ãããäœãã®ã§æŽã«æºè¶³ãª
ãã®ã§ãããåæã«ã硬åãéãTg以äžã®ç±èš
è¹ä¿æ°ãäœããã¬ã©ã¹ãã¢ã€ããŒãäœæž©ã«çœ®ãã
å Žåã«æªãå°ããã[Table] Composition Examples 3 and 4 were omitted because they showed results equivalent to those obtained in Composition Examples 1 and 2. In the results of these experiments, the results of Examples 1 and 2 are of course satisfactory, but the results of Example 3
and 4 are even better, and the results are remarkable. That is, the viscosities of Examples 3 and 4 are lower than those of Examples 1 and 2, respectively, and are therefore more satisfactory. At the same time, it cures quickly, has a low coefficient of thermal expansion below T g , and has low strain when the glass fiber is placed at low temperatures.
Claims (1)
ãšãããã³ãŒãã€ã³ã°ãæœããããŠãªãå ãã¢ã€
ããŒã«ãããŠã ãããã³ãŒãã€ã³ã°ã (1) å¹³åååé400ã5000ãæãããžã€ãœã·ã¢ã
ãŒããããŒã¹ãšãããžãšãã¬ã³æ§æ«ç«¯ããªãŠã¬
ã¿ã³ïŒããã³ (2) ãã¢ããªããŒã®ã¬ã©ã¹è»¢ç§»æž©åºŠã55âãŸãã¯
ãã以äžãšãªã液ç¶ã®æŸå°ç·ç¡¬åæ§ã¢ããšãã¬
ã³æ§äžé£œåã¢ãã㌠ãå«æããŠãªãæŸå°ç·ç¡¬åæ§çµæç©ã®å®€æž©ã§ã®ã¢
ãžãŠã©ã¹ã40000ã200000psiã§ãã硬åç©ã§ãã
ããšãç¹åŸŽãšããå ãã¢ã€ããŒã[Scope of Claims] 1. An optical fiber having a primary or buffer coating and a top coating, wherein the top coating comprises (1) a diethylenically terminated polyurethane based on a diisocyanate having an average molecular weight of 400 to 5000; and ( 2) A cured product having a modulus at room temperature of 40,000 to 200,000 psi of a radiation-curable composition containing a liquid radiation-curable monoethylenically unsaturated monomer whose homopolymer has a glass transition temperature of 55°C or higher. An optical fiber characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1048423A JPH01252553A (en) | 1989-02-28 | 1989-02-28 | Optical fiber |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1048423A JPH01252553A (en) | 1989-02-28 | 1989-02-28 | Optical fiber |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58045843A Division JPS59170155A (en) | 1983-03-18 | 1983-03-18 | Radiation curable coating composition |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01252553A JPH01252553A (en) | 1989-10-09 |
JPH0453824B2 true JPH0453824B2 (en) | 1992-08-27 |
Family
ID=12802922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1048423A Granted JPH01252553A (en) | 1989-02-28 | 1989-02-28 | Optical fiber |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01252553A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5082173B2 (en) * | 2001-03-15 | 2012-11-28 | äœåé»æ°å·¥æ¥æ ªåŒäŒç€Ÿ | Split type optical fiber ribbon |
JP2016098127A (en) * | 2014-11-19 | 2016-05-30 | Jsræ ªåŒäŒç€Ÿ | Liquid curable resin composition for secondary coat layer for optical fiber element wire |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59170155A (en) * | 1983-03-18 | 1984-09-26 | ãšã¯ãœã³ããªãµãŒããã¢ã³ãããšã³ããã¢ãªã³ã°ãã³ã ãã㌠| Radiation curable coating composition |
JPS6250315A (en) * | 1985-08-28 | 1987-03-05 | Sumitomo Chem Co Ltd | Curable resin composition |
JPH01135863A (en) * | 1987-11-19 | 1989-05-29 | Sumitomo Chem Co Ltd | Photo-setting resin composition |
-
1989
- 1989-02-28 JP JP1048423A patent/JPH01252553A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59170155A (en) * | 1983-03-18 | 1984-09-26 | ãšã¯ãœã³ããªãµãŒããã¢ã³ãããšã³ããã¢ãªã³ã°ãã³ã ãã㌠| Radiation curable coating composition |
JPS6250315A (en) * | 1985-08-28 | 1987-03-05 | Sumitomo Chem Co Ltd | Curable resin composition |
JPH01135863A (en) * | 1987-11-19 | 1989-05-29 | Sumitomo Chem Co Ltd | Photo-setting resin composition |
Also Published As
Publication number | Publication date |
---|---|
JPH01252553A (en) | 1989-10-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4472019A (en) | Topcoats for buffer-coated optical fiber using urethane acrylate and epoxy acrylate and vinyl monomer | |
US4932750A (en) | Single-coated optical fiber | |
US4798852A (en) | Ultraviolet curable coatings for optical glass fiber | |
EP0208845B1 (en) | Ultraviolet curable coatings for optical glass fiber | |
US4472021A (en) | Strippable radiation-cured coatings for optical fiber and method | |
US4629287A (en) | Ultraviolet curable buffer coatings for optical fiber | |
US4690501A (en) | Ultraviolet curable optical glass fiber coatings from acrylate terminated, end-branched polyurethane polyurea oligomers | |
CA1236625A (en) | Ultraviolet curable outer coatings for optical fiber | |
JPH0676468B2 (en) | UV curable coating composition | |
JPS61276863A (en) | Ultraviolet curable liquid coating composition | |
JPS6320312A (en) | Ultraviolet curable liquid coating composition | |
EP0149741B1 (en) | Liquid radiation-curable coating compositions and optical glass fibers coated therewith | |
JPH0221424B2 (en) | ||
JPH0453824B2 (en) | ||
CA1292752C (en) | Ultraviolet curable coatings for optical glass fiber | |
AU648099B2 (en) | Photo-hardened liquid coating composition for glass surfaces | |
JPH0645766B2 (en) | Radiation curable coating composition | |
US4564666A (en) | Urethane acrylates based on polyepichlorohydrin polyether diols and optical fiber coatings based thereon | |
JP3607748B2 (en) | Multilayer coating | |
EP0250631A1 (en) | Ultraviolet curable buffer coatings for optical fiber | |
JPH03121404A (en) | Glass fiber | |
JPS62209175A (en) | Ultraviolet-curing coating material for optical fiber | |
JPS61227949A (en) | Coating material for optical glass fiber |