Title:
SELF-RESTORING POLYURETHANE-BASED POLYMER AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/013551
Kind Code:
A1
Abstract:
The present invention relates to a self-restoring polyurethane-based polymer obtained by polymerization of a composition containing an aromatic disulfide diol represented by chemical formula 1 below, an alicyclic polyisocyanate, and a polyol. [Chemical Formula 1] HO-Ar1-S-S-Ar2-OH, wherein Ar1 and Ar2 each are independently a substituted or unsubstituted C6-C30 arylene group.
Inventors:
HWANG SUNG YEON (KR)
PARK JEYOUNG (KR)
OH DONG YEOP (KR)
JEGAL JONG GEON (KR)
KIM SEON MI (KR)
JEON HYEON YEOL (KR)
PARK JEYOUNG (KR)
OH DONG YEOP (KR)
JEGAL JONG GEON (KR)
KIM SEON MI (KR)
JEON HYEON YEOL (KR)
Application Number:
PCT/KR2018/007866
Publication Date:
January 17, 2019
Filing Date:
July 11, 2018
Export Citation:
Assignee:
KOREA RES INST CHEMICAL TECH (KR)
International Classes:
C08L75/04
Foreign References:
| KR920001245B1 | 1992-02-08 | |||
| US3905944A | 1975-09-16 | |||
| JP2003231729A | 2003-08-19 | |||
| KR101830749B1 | 2018-04-04 |
Other References:
REKONDO, A. ET AL.: "Catalyst-free Room-temperature Self-healing Elastomers Based on Aromatic Disulfide Metathesis", MATERIALS HORIZONS, vol. 1, no. 25, 2014, pages 237 - 240, XP055177596
XU, Y. ET AL.: "A Novel Self-Healing Polyurethane Based on Disulfide Bonds", MACROMOLECULAR CHEMISTRY AND PHYSICS, vol. 217, 2016, pages 1191 - 1196, XP055569874
XU, Y. ET AL.: "A Novel Self-Healing Polyurethane Based on Disulfide Bonds", MACROMOLECULAR CHEMISTRY AND PHYSICS, vol. 217, 2016, pages 1191 - 1196, XP055569874
Attorney, Agent or Firm:
PLUS INTERNATIONAL IP LAW FIRM (KR)
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