Optical waveguides – Optical fiber waveguide with cladding
Patent
1995-08-10
1998-07-28
Berman, Susan W.
Optical waveguides
Optical fiber waveguide with cladding
428378, 522 96, 522 97, 522 90, 528 85, C08F 250, C08G 1832, G02B 602, G02B 614
Patent
active
057872180
ABSTRACT:
A liquid curable resin composition containing urethane bond at a concentration of 2.0.times.10.sup.-3 mole/gm or more and comprising:
(a) a urethane (meth)acrylate having at least three cyclic structures in the molecule;
(b) a polymerizable mono-functional vinyl monomer of which the homopolymer has a glass transition point of 50.degree. C. or more; and
(c) a polymerization initiator.
The liquid curable resin composition possesses a high Young's modulus, exhibits very little contraction stress, has high tenacity and good curing characteristics. Along with these superior characteristics, the high reliability of the composition makes it a suitable coating material for optical fiber. Furthermore, since the resin composition possesses a high Young's modulus and high tenacity, it is also useful as a protective coating material for metals, plastics, wood, ceramics, glass, and the like.
REFERENCES:
patent: 4843111 (1989-06-01), Yokoshima et al.
patent: 4844604 (1989-07-01), Bishop et al.
patent: 5093386 (1992-03-01), Bishop et al.
Hashiguchi Yuichi
Igarashi Katsutoshi
Ohtaka Tohru
Suwa Mitsuhito
Berman Susan W.
DSM NV
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