The present invention relates to a polyimide-based solution that can be used to produce an isotropic transparent polyimide-based film with high heat resistance and excellent mechanical properties as well as high transmittance. A coating of the polyimide-based solution on a substrate has a haze of 1% or less after storage at a temperature of 30° C. and a humidity of 70% for 30 minutes.
本发明涉及一种聚
酰亚胺基溶液,可用于生产具有高耐热性、优异机械性能和高透光率的各向同性透明聚
酰亚胺基薄膜。在温度为 30 摄氏度、湿度为 70% 的条件下存放 30 分钟后,基底上的聚
酰亚胺基溶液涂层的雾度不超过 1%。