Methacrylamide functional polymers and method

Details Methacrylamide functional polymers and method Methacrylamide functional polymers and method

C - Chemistry, Metallurgy

08

F

402/348, 402/481

C08F 8/30 (2006.01)

Patent

CA 1336853

A polymer comprises at least one methacrylamide functional group on the average per polymer molecule, which polymer comprises the reaction product of at least one hydroxy functional polymer with at least one isopropenyl azlactone in the presence of an acidic catalyst, said hydroxy functional polymer having a number average molecular weight above 20,000. The use of isopropenyl azlactones as opposed to vinyl azlactones allows reaction to occur without competing side reactions, thus providing the inventive products which have methacrylamide equivalent weights approaching the theoretical value. These polymers find utility, for example, in coatings, films, binders, printing inks, adhesives, and the graphic arts.

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