Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1990-12-20
1993-02-16
Teskin, Fred
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
428521, 428523, 524147, 524323, 524347, 524576, 524579, 526281, 526282, 526283, 3461351, 346137, B32B 3300, C08K 505
Patent
active
051870126
ABSTRACT:
The present invention provides a thermoplastic composition excellent in heat resistance and water resistance which includes a thermoplastic saturated norbornene polymer which has a number-average molecular weight (Mn) of 50,000-500,000 and a weight-average molecular weight (Mw) of 100,000-2,000,000 which are measured by high performance liquid chromatography, and a molecular weight distribution (Mw/Mn) of 2.2 or more, and a volatile content of at most 0.3% by weight higher. The composition is suitable for optical materials, electroconductive composite materials and optical recording media.
Kohara Teiji
Natsuume Tadao
Takahashi Nobukazu
Nippon Zeon Co. Ltd.
Teskin Fred
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