Kolon Industries, Inc.

Dong-Hyeon Choi

Dong-Jin Kim

Yun-Jo Kim

Si-Min Kim

Il Kyung Chung

Si Min Kim

Yun Jo Kim

This disclosure relates to a film for a tire inner liner film that may exhibit uniform excellent physical properties over all directions when applied to a tire, and may secure excellent durability and fatigue resistance in a tire manufacturing process or in an automobile running process, a method for manufacturing the film for a tire inner liner, a pneumatic tire using the tire inner liner film, and a method for manufacturing the pneumatic tire using the tire inner liner film.

Film for tire inner liner, method for manufacturing film for tire inner liner, pneumatic tire, and method for manufacturing pneumatic tire

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.

Method for manufacturing polymer film and co-extruded film

Provided are a polyester white film and a back sheet for a solar cell module using the same, and in particular, provided is a polyester white film having improved light reflectance.

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Gyeongsan-si, South Korea

Dong-Hyeon Choi