Composite material and process for preparation thereof

Details Composite material and process for preparation thereof Composite material and process for preparation thereof

1989-03-20

1992-08-11

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

428516, 428517, 428519, B32B 2508

Patent

active

051377853

ABSTRACT:
The invention herein is directed to article and process for making it. The article is characterized by a substrate composed of a ring-opened polymer of a norbornene-type monomer having tricyclic or higher cyclic structure and a polymer sheet tenaciously adhering to the substrate. The process includes the steps of positioning the polymer sheet in a mold, flowing the monomer in a liquid state in a plurality of streams into the mold, polymerizing the monomer in the mold by ring-opening of the monomer, and removing the article from the mold with the polymer sheet on at least one outer surface thereof.

REFERENCES:
patent: 4111349 (1978-09-01), Buckler et al.
patent: 4136247 (1979-01-01), Tenney et al.
patent: 4136248 (1979-01-01), Tenney
patent: 4136249 (1979-01-01), Tenney et al.
patent: 4178424 (1979-12-01), Tenney et al.
patent: 4923678 (1990-05-01), Benedikt et al.
patent: 4923734 (1990-05-01), Benedikt

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