Syntheses of some polymers containing cyclopropane rings in the main chain. II

Polyurethanes, polyureas, polycarbodiimide, and polyamines containing cyclopropane ring in the main chains wre prepared, using 1,2‐cyclopropane diisocyanate, 1,2‐diaminocyclopropane, 1,2‐cyclopropan‐diacyclisocyanat, 1,2‐disaminomethyl‐cyclopropane, or 1,2‐bisiodomethyl‐cyclopropane as one component, Polyurethanes and polyureas were prepared by usual methods. Polycarbodiimide was synthesized according to the method of CAMPBELL, where 1‐ethyl‐3‐methyl‐3‐phospholene oxide was used as polymerization catalyst. Polyamines were obtained by applying the novel method which was reported by KLEBE. Some polymers and their films showed good technological properties.