Polymers suitable as binders

C - Chemistry – Metallurgy – 08 – G

Patent

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C08G 59/54 (2006.01) C08G 18/32 (2006.01) C08G 59/50 (2006.01) C09D 5/44 (2006.01) C09D 163/00 (2006.01) C25D 13/06 (2006.01)

Patent

CA 2104037

Abstract of the Disclosure: Novel polymers which are suitable as binders are obtainable by reacting (A) a base resin which has an average molecular weight ?w of from 200 to 5,000 and contains on average from 1 to 3 epoxy or isocyanato groups as the reactive groups per molecule with (B) a mixture of (B1) 5 to 50% by weight of polyisobutylene which is terminated with primary amino groups and has an average molecular weight ?w of from 500 to 5,000 and (B2) 5-95% by weight of an amidoamine which carries primary amino groups and is obtainable by condensation of diprimary diamines of 2 to 20 carbon atoms with aliphatic C2-C44-dicarboxylic acids, the amounts being such that from 1 to 5 equivalents of primary amino groups of (B) are present per equivalent of reactive groups of (A).

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