Through this process an anisotropic film was prepared.Using this anisotropic film as alignment layer of nematic liquid crystals, a uniform and stable result was obtained.

• 用它作为向列相液晶取向膜制成平行液晶器件,在偏光显微镜下观察,发现取得了均一、稳定的取向效果,并且该取向膜有良好的热稳定性。