The optical behavior of different azopolymers based on epoxy-isocyanate and DR19

L.M. SÁIZ; P. A. OYANGUREN; M.J. GALANTE

Simposio; 2nd International Symposium Frontiers in Polymer Science; 2011

In this study, the photoinduced behaviour of the polymers is investigated in terms of dichroism and birefringence for epoxy- isocyanate based azo polymers. The difficult in controlling the synthesis of this kind of polymers in order to obtain materials with the best properties combination deals with the competition among the diverse reactions that could take place in an epoxy-isocyanate blend. The relative proportion of different groups will depend on factors such as: structure and concentration of monomers, type and concentration of catalyst and cycles of curing and postcuring.