High temperature elastomers from linear poly...

Details High temperature elastomers from linear poly... High temperature elastomers from linear poly...

2006-12-12

2006-12-12

Peng, Kuo-Liang (Department: 1712)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C528S043000, C528S034000, C528S032000, C528S038000, C528S035000, C585S416000, C556S410000, C556S431000

Reissue Patent

active

RE039428

ABSTRACT:
A linear polymer has repeating units represented by the formulawherein(a) n is an integer greater than or equal to 0,(b) x is an integer greater than or equal to 1, and represents an unconjugated acetylenic group when x is equal to 1 or conjugated acetylenic groups when x is greater than 1;(c) Ar is an aromatic group, and(c) R1, R2, R3, R4, R5, R6, R7and R8are independently selected from the group consisting of alkyl, aryl, alkylaryl, haloalkyl, haloaryl and mixtures thereof. The linear polymer may be thermally cured to form a crosslinked polymer.

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patent: 5563181 (1996-10-01), Keller et al.
patent: H001612 (1996-11-01), Rhein et al.
patent: 5578380 (1996-11-01), Babu
patent: 5874514 (1999-02-01), Keller et al.
patent: WO9321278 (1993-10-01), None

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