公开(公告)号：US20230312847A1

公开(公告)日：2023-10-05

申请号：US18015180

申请日：2022-03-25

Applicant: UNITIKA LTD.

Inventor： Yuki AOYAMA ,  Takashi OKABE ,  Shuhei YAMANE ,  Tomoko YAMANAKA

IPC: C08J5/18 ,  B32B17/10 ,  B32B27/34 ,  B32B15/088 ,  B29C55/12 ,  B29C71/02

CPC classification number: C08J5/18 ,  B29C55/12 ,  B29C71/02 ,  B32B15/088 ,  B32B17/10724 ,  B32B27/34 ,  B32B2250/02 ,  B32B2307/558 ,  B32B2307/734 ,  B32B2457/20 ,  C08J2377/10

Abstract: Provided is a semiaromatic polyamide film having an average linear expansion coefficient in the width direction, measured under conditions of 20 to 125° C., of -90 to 0 ppm/°C.