Semi-interpenetrating polymer networks

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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Details

525392, 525426, 525468, 525536, 525905, C08F28302, C08F28304, C08F28308

Patent

active

048701386

ABSTRACT:
Novel compositions of matter comprising semi-interpenetrating polymer networks resulting from the reaction between a poly(vinyl benzyl ether) of a polyphenol and engineering condensation thermoplastic may be used as components in a laminate when coated on a reinforcement or substrate. The resulting laminates which may be employed in electric circuit boards will possess desirable electrical and thermal properties as exemplified by a high glass transition temperature and a low dielectric constant.

REFERENCES:
patent: 3356761 (1967-12-01), Fox
patent: 3586736 (1971-06-01), Takemura et al.
patent: 4116936 (1978-09-01), Steiner

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