Amine functional polymers containing acetal groups

Details Amine functional polymers containing acetal groups Amine functional polymers containing acetal groups

C - Chemistry, Metallurgy

08

F

C08F 8/28 (2006.01) C02F 1/56 (2006.01)

Patent

CA 2042319

Polyvinylaminals, optionally as the formed copolymer with polyvinyl- hemiaminals, and polyvinylacetals are useful as flocculants and epoxy resin and polyurethane crosslinking agents and are provided by reacting a poly(vinylamine) or a copolymer containing vinyl alcohol and vinylamine units with a monoaldehyde. The aldehyde, such as butyraldehyde, can be introduced into the polymer acetalization as a liquid or gas, generally in a proportion of about 0.02 to 0.5 mol per mol of alcohol and amine units in the polymer chain.

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