Optical fiber buffer coating with Tg

Details Optical fiber buffer coating with Tg Optical fiber buffer coating with Tg

1988-04-04

1990-11-27

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 96, 526301, C08F 246

Patent

active

049736116

ABSTRACT:
Optical fiber buffer coatings with a low glass transition temperature are prepared from acrylated urethane oligomers having a molecular weight of 2,000 and 6,000, an aliphatic monofunctional acrylate or monofunctional aryl-containing acrylate having glass transition temperatures below -20.degree. C., a photoinitiator, and optionally a crosslinking acrylate ester having at least two acrylate or methacrylate groups per molecule and having a molecular weight less than 4,000. These buffer coatings are flexible at low temperatures, such as -60.degree. C., and avoid microbending, resist water absorption, and have low hydrogen generation.

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patent: 4720529 (1988-01-01), Kimura et al.

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