Claims
- 1. An optical fiber having a primary coating thereon wherein the coating is formulated from an ultra-violet light curable resin composition comprising:
- (A) a polyether polyol compound containing, as structural units, groups represented by the following formulas (1), (2), and (3),
- (1) --CH.sub.2 CH.sub.2 O--
- (2) --CH.sub.2 CH(R)O--, and
- (3) one or more groups selected from groups (a), (b), and (c) below,
- --CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 O-- (a) ##STR6## wherein R represents an alkyl group containing two or more carbon atoms, and R.sup.1 and R.sup.2 are independently selected from a hydrogen atom or a methyl group;
- (B) a polyisocyanate compound; and
- (C) a (meth)acrylate compound having a hydroxy group,
- and wherein said coating, after curing, has a Young's modulus at 23.degree. C. in a range of from about 0.06 kg/mm.sup.2 to about 0.13 kg/mm.sup.2.
- 2. A coated fiber as in claim 1 wherein the polyol is prepared by the ring-opening polymerization of ethylene oxide, 1,2-alkylene oxides with four or more carbon atoms and one or more compounds selected from polytetramethylene ether glycol, bisphenol A and bisphenol F.
- 3. A coated fiber as in claim 1 wherein the primary coating further comprises another polyol.
- 4. A coated fiber as in claim 1 wherein the primary coating further comprises at least one of polyether polyols, polyesterpolyols, polycarbonate polyols or polycaprolactone polyols.
- 5. A coated fiber as in claim 1 wherein the polyisocyanate compound is selected from 2,4-tolylene diisocyanate, isophorone diisocyanate or 2,2,4-trimethylhexane methylene diisocyanate.
- 6. A coated fiber as in claim 1 wherein the (meth)acrylate compound having a hydroxy group is 2-hydroxyethyl(meth)acrylate or 2-hydroxypropyl(meth)acrylate.
- 7. A coated fiber as in claim 1 wherein the primary coating further comprises N-vinyl pyrrolidone or N-vinyl caprolactam.
- 8. A coated fiber as in claim 1 wherein the primary coating further comprises a polymerization initiator.
- 9. An optical fiber having a primary coating thereon wherein the coating is formulated from an ultra-violet light curable resin composition comprising:
- (A) a polyether polyol compound containing, as structural units, groups represented by the following formulas (1), (2), and (3),
- (1) --CH.sub.2 CH.sub.2 O--
- (2) --CH.sub.2 CH(R)O--, and
- (3) one or more groups selected from groups (a), (b), and (c) below,
- --CH.sub.2 CH.sub.2 CH.sub.2 CH.sub.2 O-- (a) ##STR7## wherein R represents an alkyl group containing two or more carbon atoms, and R.sup.1 and R.sup.2 are independently selected from a hydrogen atom or a methyl group, and wherein said polyether polyol comprises:
- 5to 50% by weight of said structural unit (1);
- 10 to 90% by weight of said structural unit (2); and
- 5 to 85% by weight of said structural unit (3), wherein said % by weight is based on the total weight of said polyether polyol;
- (B) a polyisocyanate compound; and
- (C) a (meth)acrylate compound having a hydroxy group.
- 10. A coated fiber according to claim 9, wherein said polyether polyol comprises:
- 10 to 45% by weight of said structural unit (1);
- 20 to 80% by weight of said structural unit (2); and
- 10 to 70% by weight of said structural unit (3), wherein said % by weight is based on the total weight of said polyether polyol.
- 11. A coated fiber according to claim 1, wherein said polyether polyol has a number average molecular weight of 200 to 10,000.
- 12. A coated fiber according to claim 1, wherein said polyether polyol has a number average molecular weight of 500 to 8,000.
- 13. A coated fiber according to claim 1, wherein said group R contains 2 to 12 carbon atoms.
- 14. A coated fiber according to claim 1, wherein said group R contains 2 to 4 carbon atoms.
- 15. An optical fiber having a primary coating thereon wherein the coating is formulated from an ultra-violet light curable resin composition comprising:
- (A) a polyether polyol compound containing, as structural units, groups represented by the following formulas (1), (2), and (3),
- (1) --CH.sub.2 CH.sub.2 O--
- (2) --CH.sub.2 CH(R)O--, and
- (3) one or more groups selected from groups (b), and (c) below, ##STR8## wherein R represents an alkyl group containing two or more carbon atoms, and R.sup.1 and R.sup.2 are independently selected from a hydrogen atom or a methyl group;
- (B) a polyisocyanate compound; and
- (C) a (meth)acrylate compound having a hydroxy group.
- 16. A coated fiber according to claim 15, wherein said polyether polyol comprises:
- 5 to 50% by weight of said structural unit (1);
- 10 to 90% by weight of said structural unit (2); and
- 5 to 85% by weight of said structural unit (3), wherein said % by weight is based on the total weight of said polyether polyol.
- 17. A coated fiber according to claim 15, wherein said polyether polyol comprises:
- 10 to 45% by weight of said structural unit (1);
- 20 to 80% by weight of said structural unit (2); and
- 10 to 70% by weight of said structural unit (3), wherein said % by weight is based on the total weight of said polyether polyol.
- 18. A coated fiber according to claim 15, wherein said polyether polyol has a number average molecular weight of 200 to 10,000.
- 19. A coated fiber according to claim 15, wherein said polyether polyol has a number average molecular weight of 500 to 8,000.
- 20. A coated fiber according to claim 15, wherein said group R contains 2 to 12 carbon atoms.
- 21. A coated fiber according to claim 15, wherein said group R contains 2 to 4 carbon atoms.
- 22. A substrate having a coating thereon wherein the coating is formulated from an ultra-violet light curable resin composition comprising:
- (A) a polyether polyol compound containing, as structural units, groups represented by the following formulas (1), (2), and (3),
- (1) --CH.sub.2 CH.sub.2 O--
- (2) --CH.sub.2 CH(R)O--, and
- (3) one or more groups selected from groups (b), and (c) below, ##STR9## wherein R represents an alkyl group containing two or more carbon atoms, and R.sup.1 and R.sup.2 are independently selected from a hydrogen atom or a methyl group;
- (B) a polyisocyanate compound; and
- (C) a (meth)acrylate compound having a hydroxy group.
- 23. A coated substrate according to claim 22, wherein said polyether polyol comprises:
- 5 to 50% by weight of said structural unit (1);
- 10 to 90% by weight of said structural unit (2); and
- 5 to 85% by weight of said structural unit (3), wherein said % by weight is based on the total weight of said polyether polyol.
- 24. A coated substrate according to claim 22, wherein said group R contains 2 to 12 carbon atoms.
- 25. A coated substrate according to claim 22, wherein said substrate comprises plastic, wood, porcelain, glass or paper.
Priority Claims (1)
| Number |
Date |
Country |
Kind |
| 4-99595 |
Apr 1992 |
JPX |
|
Parent Case Info
This is a continuation of application Ser. No. 08/318,874, filed Feb. 17, 1995, abandoned; which is a National U.S. application of PCT/US 93/02037, filed Mar. 9, 1993 and claims priority of Japanese Patent Application No. 99595/04, filed Apr. 20, 1992.
PCT Information
| Filing Document |
Filing Date |
Country |
Kind |
102e Date |
371c Date |
| PCT/US93/02037 |
3/9/1993 |
|
|
2/17/1995 |
2/17/1995 |
| Publishing Document |
Publishing Date |
Country |
Kind |
| WO93/21248 |
10/28/1993 |
|
|
US Referenced Citations (2)
| Number |
Name |
Date |
Kind |
|
4507458 |
Shiraki |
Mar 1985 |
|
|
4844604 |
Bishop et al. |
Jul 1989 |
|
Continuations (1)
|
Number |
Date |
Country |
| Parent |
318874 |
Feb 1995 |
|
Patent Grant
5712035
