C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
402/297, 400/592
C07D 209/76 (2006.01) C08F 8/32 (2006.01) C08F 126/06 (2006.01) C08G 59/18 (2006.01) C08G 59/54 (2006.01) C08L 63/00 (2006.01)
Patent
CA 2035404
K-17949/-+/CGC 1469 LATENT EPOXY RESIN HARDENERS Abstract of the Disclosure The reaction products of polyallylnadic anhydride and various polyamines are latent hardeners for use in epoxy resins having more than one 1,2-epoxy groups per molecule. Mixtures of these products and epoxy resins are stable at room temperature for extended periods, yet cure quickly at elevated temperatures to yield products with high glass transition temperatures.
Ag Ciba-Geigy
Fetherstonhaugh & Co.
Helfand David
LandOfFree
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