Thermochromic diacetylene ethers containing ester or urethane groups

摘要

This application relates to monomers and homopolymers of diacetylenic ethers having the formula <IMAGE> wherein X is alkyl, alkenyl, aryl, alkaryl, aralkyl, aralkenyl, monoalkylamino or dialkylamino and Y is alkyl, alkenyl or <IMAGE> where X' is independently selected from the group of X. The invention also relates to the method of preparing and using said alkoxy diacetylenes.