Invention Grant
- Patent Title: Polyamide film and production method for same
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Application No.: US16954321Application Date: 2018-12-26
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Publication No.: US11326032B2Publication Date: 2022-05-10
- Inventor: Takayoshi Okuzu , Akiko Hamamoto , Ken Akamatsu
- Applicant: UNITIKA LTD.
- Applicant Address: JP Hyogo
- Assignee: UNITIKA LTD.
- Current Assignee: UNITIKA LTD.
- Current Assignee Address: JP Hyogo
- Agency: Fildes & Outland, P.C.
- Priority: JPJP2017-252735 20171228
- International Application: PCT/JP2018/047821 WO 20181226
- International Announcement: WO2018/131752 WO 20190704
- Main IPC: B32B27/34
- IPC: B32B27/34 ; C08J5/18 ; B32B27/08 ; B32B27/30

Abstract:
Provided is a polyamide film which is a stretched film including a polyamide resin composition containing 1 to 10% by mass of a polyester thermoplastic elastomer, wherein the polyamide film satisfies all of the following conditions (A) to (C): (A) elastic moduli in MD and TD of the film are each 1.0 to 2.3 GPa; (B) a ratio between the elastic moduli in MD and TD of the film (MD/TD) is 0.9 to 1.5; and (C) a haze of the film is 7% or less.
Information query