According to the result of dye difference caused by different ratio blending PET fiber and PET fiber contains optical brightener which made by Eastman Chemical Ltd, the feasible recommedation which PET brightener fiber can be applied by spinnery is got.

• 采用美国伊士曼 (Eastman)化工公司的光学增白剂“特白丽 ”对涤纶增白后 ,从不同混纺比例织物染色的差异 ,得出增白纤维在纺纱厂使用的可行性建议。