C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/138
C08G 18/65 (2006.01) C08G 18/30 (2006.01) C08G 18/67 (2006.01)
Patent
CA 1180147
3-12850/+ Process for the preparation of crosslinked, unsaturated polymers and the polymers thus obtained. Abstract Novel crosslinked unsaturated polymers, which have better properties than conventional crosslinked unsaturated polymers are obtained by reacting a .beta.-aminocrotonic acid ester, .beta.-aminocrotononitrile or .beta.-aminocrotonamide with a diisocyanate or polyisocyanate and a polyol, for example at temperatures of between 50 and 180°C.
376842
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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