Transparent polymer composites having a low thermal expansion co

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524442, 524445, 524447, 524448, C08K 300

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active

057836248

ABSTRACT:
Polymeric compositions having a high transparency, low thermal expansion coefficient and low coefficient of refractive index change with temperature are made from a suitable thermoplastic polymer and index-matched glass or ceramic. Such compositions have utility in optical applications.

REFERENCES:
patent: 4186234 (1980-01-01), Sakashita et al.
patent: 5428098 (1995-06-01), Breckner et al.
patent: 5510414 (1996-04-01), Okamoto et al.

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