Polymerization and characterization of schiff base type liquid crystal polymers containing crown ethers schiff base type liquid crystal polymers containing crown ethers with high moderate weights were polymerized via low temperature solution polymerization 以二氨基二苯并冠醚和二醛类化合物为单体,通过低温溶液聚合法合成了中等分子量的schiff碱型液晶高分子。