Prepreg comprising saturated or unsaturated silane substituted c

Details Prepreg comprising saturated or unsaturated silane substituted c Prepreg comprising saturated or unsaturated silane substituted c

1991-08-26

1993-03-02

Ryan, Patrick J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

428209, 428285, 428284, 428288, 428446, 428447, 428901, B32B 900

Patent

active

051908085

ABSTRACT:
Copolymers for use in preparing prepregs, which in turn are used to prepare printed circuit wiring boards are provided, as well as processes for producing the prepregs and wiring boards. The copolymers comprise repeating units derived from cycloolefin monomers, e.g., norbornene-type monomers, e.g., dicyclopentadiene-type monomers. Some of the monomers are silane-substituted while others are non silane-substituted. The silane-substituted monomers provide copolymers which exhibit improved properties when employed as the copolymers in prepregs for printed circuit wiring boards. For example, improved adhesion is achieved between the noncellulosic substrate and the polymers of components used in the wiring boards. These properties include, but are not limited to improved dielectric properties, improved adhesion to glass cloth substrates, etc.

REFERENCES:
patent: 5071701 (1991-12-01), Tenney

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