Copolymers of vinyl dioxolanes and imidized derivatives of malei

Details Copolymers of vinyl dioxolanes and imidized derivatives of malei Copolymers of vinyl dioxolanes and imidized derivatives of malei

1995-01-03

1995-08-29

Lipman, Bernard

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253272, C08F 832

Patent

active

054461065

ABSTRACT:
Copolymers are produced when a 4-vinyl-1,3 dioxolane monomer is copolymerized with an imidized maleic anhydride (for example, maleimide) monomer in the presence of a free radical initiator. Alternatively, a maleamic acid or maleimide functionality may be introduced into a copolymer containing a 4-vinyl-1,3 dioxolane and maleic anhydride by introducing a primary amine into the reaction mixture. Also, the dioxolane reactant may be introduced into the polymer by reacting 3,4-epoxy-1-butene in a ketone reaction solvent. The structure and composition of the product copolymer are controlled by both the sequence and conditions of the reaction. Products of the present invention can be cast as clear films and can also be used as reactive polymers.

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B. M. Culbertson, Encyclopedia of Polymer Science and Engineering, vol. 9, 225-294 (1987).
C. Yang and S. Wang, Journal of Polymer Science: Part A: Polymer Chemistry, vol. 27, 15-29 (1989).

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