№ US20260005393A1発明
審査中METHOD FOR MANUFACTURING SEPARATOR AND SEPARATOR MANUFACTURED BY USING THE SAME
METHOD FOR MANUFACTURING SEPARATOR AND SEPARATOR MANUFACTURED BY USING THE SAME
One aspect of the present invention provides a method for manufacturing a separator, comprising: (a) processing a composition comprising a polyolefin and a pore-forming agent to obtain a base sheet; (b) stretching the base sheet in a machine direction (MD) and a transverse direction (TD), and removing the pore-forming agent to obtain a porous film; and (c) stretching the porous film in the transverse direction (TD) and heat-setting the same, and also provides a separator manufactured using the method.
❖W-SCOPE KOREA CO., LTD.; W-SCOPE CHUNGJU PLANT CO., LTD.Yun Hyeok JANG; Dae Bog PARK; Woo Jin KIM; Min Woo LEE; Kwang Ho CHOI§ 1/12 請求項H1M 50/406, B29C 55/14, B29C 67/20 +312