公开(公告)号：US20210155739A1

公开(公告)日：2021-05-27

申请号：US17101812

申请日：2020-11-23

Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

Inventor： Sung Woo HONG ,  Sung Koo LEE ,  Pyong Hwa HONG ,  Jin Sil KIM ,  Gyeong Min MOON ,  Kiseung KIM

IPC: C08G18/12 ,  C08L75/12 ,  C08G18/32 ,  C08G18/38 ,  C08G18/62

Abstract: Disclosed is a composition for forming a polyurethane film with improved reaction stability, comprising an OH group-containing polymer; an isocyanate-based compound as a curing agent; and an alicyclic urea diol compound having two urea groups and an OH group at two terminals, and a polyurethane film with improved self-healable property from tear, derived from the composition.