Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1981-05-06
1983-09-13
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
5253293, 525167, C08F 830
Patent
active
044043309
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 esters and an amine and mixtures thereof, (b) at least one polymeric material selected from the group consisting of terpolymer of acrylonitrile, butadiene and isoprene, copolymers of acrylonitrile and one of butadiene and isoprene, reaction products of the terpolymer or the copolymer and a compound selected from the group consisting of isocyanate compounds, epoxy compounds, acrylates, methacrylates and unsaturated acid anhydrides and the terpolymer or copolymer 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:
patent: 3448079 (1969-06-01), Grigat et al.
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patent: 3562214 (1971-02-01), Leverkusen 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.
Lipman Bernard
Mitsubishi Gas Chemical Company Inc.
Schofer Joseph L.
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