Mixtures containing prepolymers, which can be converted to...

C - Chemistry – Metallurgy – 08 – J

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C08J 9/06 (2006.01) C08G 73/12 (2006.01)

Patent

CA 1041250

MIXTURES CONTAINING PREPOLYMERS, WHICH CAN BE CONVERTED TO HEAT-RESISTANT FOAMED PLASTICS Abstract of the Disclosure A mixture which can be converted to a heat-resistant foamed plastic and which contains a solid blowing agent, a thermoplastic prepolymer of a polyimide of an unsaturated acid an azomethine and a polyamine. On warming, the mixture gives a foamed plastic of high heat resistance and good resistance to chemicals.

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