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    METHOD FOR MANUFACTURING POLYMER FILM AND CO-EXTRUDED FILM
    22.
    发明公开
    METHOD FOR MANUFACTURING POLYMER FILM AND CO-EXTRUDED FILM 审中-公开

    公开(公告)号：EP3689594A1

    公开(公告)日：2020-08-05

    申请号：EP20155354.2

    申请日：2014-12-30

    申请人： Kolon Industries, Inc.

    发明人： KIM, Yun-Jo ,  KIM, Si-Min ,  CHOI, Dong-Hyeon ,  KIM, Dong-Jin

    IPC分类号： B32B7/12 ,  B32B27/36

    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.

    NON-WOVEN ARTIFICIAL LEATHER USING DOPE-DYED POLYESTER SEA-ISLAND TYPE COMPOSITE YARN AND METHOD FOR PRODUCING SAME
    23.
    发明公开
    NON-WOVEN ARTIFICIAL LEATHER USING DOPE-DYED POLYESTER SEA-ISLAND TYPE COMPOSITE YARN AND METHOD FOR PRODUCING SAME 审中-公开

    公开(公告)号：EP3660207A1

    公开(公告)日：2020-06-03

    申请号：EP18859915.3

    申请日：2018-08-30

    申请人： Kolon Industries, Inc.

    发明人： PARK, Jong-ho ,  PIAO, Zhequan ,  JUNG, Dae-young

    IPC分类号： D06N3/00 ,  D06N3/14 ,  D06P1/16

    摘要： The present disclosure relates to a method for manufacturing artificial leather having excellent fastness and dyeing properties by using a dope-dyed polyester sea-island type composite yarn, and artificial leather produced by the same method.
    According to the present disclosure, a non-woven fabric, which is made of a dope-dyed polyester sea-island type composite yarn to which an organic or inorganic pigment, or both an organic pigment and an inorganic pigment, are added, is produced by: impregnating the same with a polyurethane resin to which an organic or inorganic pigment, or both an organic pigment and an inorganic pigment, are added; performing weight reduction processing; and then dying the same with a disperse dye, whereby various colors can be expressed, the artificial leather is uniformly dyed with the pigment, the amount of dye used can be reduced by excellent dyeability and deep color expression, and excellent fastness and high-grade quality are expressed, thereby making it possible to develop products for advanced applications such as interior materials for a vehicle.