METHOD FOR PRODUCING NONWOVEN FABRIC
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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PROBLEM TO BE SOLVED: To provide a method for producing a nonwoven fabric， which exhibits a high tensile strength in a CD direction， has a low impedance when used in an electrochemical element separator， and is less likely to cause a curl due to a heat drying process during a battery assembly. SOLUTION: There is provided a method for producing a nonwoven fabric， in which a wet-laid nonwoven fabric containing a drawn polyester fiber and an undrawn polyester fiber is allowed to pass between a heated metal roll and an elastic roll to treat. The elastic roll has a hardness of 50 to 78 measured by using a type D durometer according to JIS K 6253-3:2012. SELECTED DRAWING: None
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
