Molded article of norbornene-based polymer

C - Chemistry – Metallurgy – 08 – L

Patent

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400/9406

C08L 45/00 (2006.01) C08G 61/08 (2006.01) C08K 3/00 (2006.01) C08K 9/06 (2006.01) G11B 7/24 (2006.01) G11B 7/253 (2006.01)

Patent

CA 2040041

ABSTRACT OF DISCLOSURE A molded article, particularly for optical use, formed of a thermoplastic saturated norbornene-based polymer composition comprising a thermoplastic saturated norbornene-based polymer excellent in heat resistance, etc., and a filler, the composition being capable of preventing cracks even when an insertion part having a linear expansion coefficient greatly different from that of the polymer is present and a thermal change occurs. The filler is selected from a fibrous filler and a combination of a fibrous filler with a powdery filler.

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