Homogeneous thermosetting copolymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526296, 526309, 526313, C08F21612

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active

047867000

ABSTRACT:
Homogeneous thermosetting copolymers comprising a mixture of styrene-terminated tetrakisphenols and compounds containing at least one pendant vinyl group as exemplified by styrene-terminated tetrakisphenol ethane and styrene-terminated bisphenol A will possess desirable characteristics such as low dielectric constants and high glass transition temperatures. These polymers may be utilized as a component in laminates or circuit boards which are employed in relatively complicated pieces of electronic equipment.

REFERENCES:
patent: 4116936 (1978-09-01), Steiner

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