Method for manufacturing polymer film and co-extruded film |
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| 申请号 | US15107519 | 申请日 | 2014-12-30 | 公开(公告)号 | US10000002B2 | 公开(公告)日 | 2018-06-19 |
| 申请人 | KOLON INDUSTRIES, INC.; | 发明人 | Yun-Jo Kim; Si-Min Kim; Dong-Hyeon Choi; Dong-Jin Kim; | ||||
| 摘要 | The present invention relates to: a method for manufacturing a polymer film, the method including a base film forming step for co-extruding a first resin containing a polyamide-based resin and a second resin containing a copolymer including polyamide-based segments and polyether-based segments; a co-extruded film including a base film including a first resin layer containing a polyamide-based resin, and a second resin layer containing a copolymer having polyamide-based segments and polyether-based segments; to a co-extruded film including a base film including a first resin layer and a second resin layer, which have different melting points; and to a method for manufacturing a polymer film, the method including a base film forming step including a step of co-extruding a first resin and a second resin, which have different melting points. | ||||||
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