降低膜级母粒切片b值的工艺优化

Reducing b-value of masterbatch polyester chip for film by optimizing process

通过优化、调整工艺和重新选择催化剂体系 ,并对设备进行适应性改造 ,有效改善了膜级母粒切片的黄色指数 (b值 )。

By optimizing and adjusting the process and selecting repeatedly the catalyst system and innovating some equipments,it is efficient to adjust the yellow index(b-value) of masterbatch polyester chip for film.