申请人:DIAFOIL HOECHST CO., LTD
公开号:EP0761725A2
公开(公告)日:1997-03-12
The present invention relates to a laminated polyester film comprising:
a polyester film as a based film, and
at least one anti-static layer laminated on said polyester film,
said anti-static layer comprising an anti-static resin having (i) a poly(alkylene oxide) unit and a phenylene sulfonic acid group, (ii) poly(alkylene oxide) unit and a phenylene sulfonate group, or (iii) a poly(alkylene oxide) unit, a phenylene sulfonic acid group and phenylene sulfonate, and
said laminated polyester film being oriented at least one direction.
本发明涉及一种层压聚酯薄膜,包括
作为基膜的聚酯薄膜,以及
层压在所述聚酯薄膜上的至少一层抗静电层、
所述抗静电层包括抗静电树脂,该树脂具有 (i) 聚(环氧烷)单元和苯磺酸基团,(ii) 聚(环氧烷)单元和苯磺酸基团,或 (iii) 聚(环氧烷)单元、苯磺酸基团和苯磺酸基团,以及
所述层压聚酯薄膜至少在一个方向上定向。