Block Copolyoxadiazoles and Their Synthesis Methods (BLOCK COPOLY XADIAZOLES AND SYNTHESIS METHOD THEREFOR)

摘要

The present invention relates to block copolyoxadiazoles of the formula wherein the glass transition temperature is two:;In the above formula, R represents an aliphatic residue, A represents an aromatic residue, n and n 'are numbers of 2 or more, and x is a value such that an intrinsic viscosity (dl / g) exceeds 0.6.