Curable resin composition

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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525167, 5253332, C08F 830

Patent

active

044030738

ABSTRACT:
A curable resin composition comprising a mixture and/or a preliminary reaction product of (a) at least one cyanate compound selected from the group consisting of polyfunctional cyanate esters, prepolymers of said cyanate esters, coprepolymers of said cyanate ester and an amine and mixtures thereof, (b) at least one polymeric material selected from the group consisting of polybutadiene having molecular weight of 500-1,000,000, reaction products of the polybutadiene and a compound selected from the group consisting of isocyanate compounds, acrylates, methacrylates and unsaturated acid anhydrides and the polybutadiene modified by introducing methacryloyl group, acryloyl group or acid anhydride moiety thereinto and optionally (c) at least one compound selected from the group consisting of polyfunctional maleimides, prepolymers of the maleimides or coprepolymers of the maleimides and an amine is disclosed.

REFERENCES:
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patent: 3553244 (1971-01-01), Grigat et al.
patent: 3562214 (1971-02-01), Leverkusen et al.
patent: 3562214 (1971-02-01), Kubens et al.
patent: 3740348 (1973-06-01), Grigat et al.
patent: 3755402 (1973-08-01), Grigat et al.
patent: 4110364 (1978-08-01), Gaku et al.

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