Medical implement, polymer composition, and optical material

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

1995-08-02

1996-10-01

Zitomer, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

524 81, 524553, 526340, 526347, 526280, C08F 3208, C08L 906

Patent

active

055612083

ABSTRACT:
A polymer composition comprising 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
JP-A-3 068 363 (Daikyo Gum Seiko KK) Derwent Publications Ltd., Abstract.
JP-A-3 275 067 (Nippon Zeon KK) Derwent Publications, Ltd., Abstract.

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