Medical implement, polymer composition, and optical material

Details Medical implement, polymer composition, and optical material Medical implement, polymer composition, and optical material

1993-03-01

1995-11-21

Zitomer, Fred

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...

524551, 524570, 526280, 526281, C08L 906, C08F 3208

Patent

active

054688035

ABSTRACT:
A polymer composition including a thermoplastic norbornene polymer which preferably has a number average molecular weight of 10,00-200,000 as determined by gel permeation chromatography in toluene solvent and calculated as styrene and a content of norbornene polymer components having a number average molecular weight of 2,000 or less of 1% by weight or less, and a compounding ingredient, such as a rubber-like polymer, wherein the compounding ingredient is preferably dispersed in the form of microdomains in the norbornene polymer; and medical implements and optical naturals formed essentially of the composition.

REFERENCES:
patent: 5003019 (1991-03-01), Ishimaru
patent: 5204427 (1993-04-01), Torii
patent: 5218049 (1993-06-01), Yamamoto

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