Invention Grant
- Patent Title: Composition for forming polyurethane film, polyurethane-film derived therefrom and article comprising the same
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Application No.: US17101812Application Date: 2020-11-23
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Publication No.: US11535693B2Publication Date: 2022-12-27
- Inventor: Sung Woo Hong , Sung Koo Lee , Pyong Hwa Hong , Jin Sil Kim , Gyeong Min Moon , Kiseung Kim
- Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
- Applicant Address: KR Cheonan-si
- Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
- Current Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
- Current Assignee Address: KR Cheonan-si
- Agency: Rabin & Berdo, P.C.
- Priority: KR10-2019-0151592 20191122
- Main IPC: C08G18/12
- IPC: C08G18/12 ; C08L75/12 ; C08G18/32 ; C08G18/62 ; C08G18/38 ; C09D175/04 ; C08G18/65 ; C08G18/75 ; C08G18/10 ; C08G18/64 ; C08G18/79
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.
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