Über die Copolymerisation von Maleinsäure-anhydrid mit Bicyclo [2.2.1] hept-5-en-2-Carbonsäure

Radiation-induced and radical-initiated copolymerizations of norbornencarboxylic acid with maleic anhydride have been studied. In both cases decarboxylation occurs during the copolymerization; the composition of the copolymers is independent of the method of initiation and of the composition of the initial monomer feed. The decarboxylation is caused by the norbornencarboxylic acid and not by maleic anhydride. This result is supported by the observation that, during the radical homopolymerization of norbornencarboxylic acid also, carbon dioxide is split off.