公开(公告)号：US20240124622A1

公开(公告)日：2024-04-18

申请号：US18277992

申请日：2022-02-09

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yoshimitsu IKOMA ,  Yuna KAWASUMI ,  Koki IWATA ,  Hidemi IBI

IPC: C08F20/26 ,  C08K3/08

CPC classification number: C08F20/26 ,  C08K3/08 ,  C08F2500/26 ,  C08K2003/0893

Abstract: A film material according to the present disclosure includes an amorphous polymer (A) including a reversible bond which is reversibly dissociated and recombined in response to a temperature change. The polymer (A) has a glass transition temperature of higher than or equal to 40° C. The polymer (A) has a storage elastic modulus of greater than or equal to 0.2 MPa at a temperature higher than the glass transition temperature by 100° C. and a storage elastic modulus of less than or equal to 100 MPa at a temperature higher than the glass transition temperature by 50° C.