The present invention relates to a coextrusion film comprising a first resin layer and a second resin layer. The first resin layer includes: greater than 35 wt% of a polyamide-based resin; and at least two types of copolymers having a polyamide-based segment and a polyether-based segment. The second resin layer includes: 35 wt% or less of a polyamide-based resin; and at least two types of copolymers having a polyamide-based segment and a polyether-based segment. The coextrusion film secures excellent durability, fatigue resistance, and high elasticity.
본 발명은 폴리아마이드계 수지 35중량% 초과 및 폴리아마이드계 세그먼트와 폴리에테르계 세그먼트를 포함하는 공중합체를 적어도 2종류 이상 포함한 제1수지층과 폴리아마이드계 수지 35중량% 이하 및 폴리아마이드계 세그먼트와 폴리에테르계 세그먼트를 포함하는 공중합체를 적어도 2종류 이상 포함한 제2수지층을 포함하는 공압출 필름에 관한 것이다.
COEXTRUSION FILM
공압출 필름
08.07.2016
Patent
Elektronische Ressource
Koreanisch
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