Imidized acrylic polymers and process for their preparation

Details Imidized acrylic polymers and process for their preparation Imidized acrylic polymers and process for their preparation

C - Chemistry, Metallurgy

08

F

402/325, 402/399

C08F 8/30 (2006.01) C08F 8/34 (2006.01)

Patent

CA 1335146

Imidized acrylic polymers obtained by means of the reaction of an acrylic resin in the molten state, with at least one modifying agent having the general formula: R-X-NH- R' wherein: R and R' are either equal to, or different from, each other and represent hydrogen or an alkyl, cycloalkyl, aryl or alkylaryl radical containing from 1 to 20 carbon atoms, and X is -CO-, -CONH-, -NHCO-, -OCO-, -SO2- or -C6H4SO2-. These modifying agents increase the glass transition temperature (Tg) of the product without the drawbacks of known processes for increasing the Tg.

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