Pub. No.: WO/2018/000125 International Application No.: PCT/CN2016/087248
Publication Date: 04.01.2018 International Filing Date: 27.06.2016
IPC:
C08G 59/18 (2006.01), C08G 59/40 (2006.01), C08G 59/50 (2006.01), C08G 59/52 (2006.01), C08G 59/68 (2006.01), C08L 63/00(2006.01)
Applicants: EVONIK DEGUSSA GMBH [DE/DE]; Rellinghauser Strasse 1-11 45128 Essen (DE).
LI, Jian [CN/CN]; (CN) (SC only)
Inventors: LI, Jian; (CN).
WANG, Lei; (CN)
Agent: KING & WOOD MALLESONS; 20th Floor, East Tower World Financial Centre No. 1 Dongsanhuan Zhonglu Chaoyang District, Beijing 100020 (CN)
Priority Data:
Title (EN) ROOM TEMPERATURE IONIC LIQUID CURING AGENT
(FR) AGENT DE DURCISSEMENT LIQUIDE IONIQUE À TEMPÉRATURE AMBIANTE
Abstract: front page image

(EN)Epoxy curing agents are disclosed having an epoxy curing agent comprising at least one room temperature ionic liquid salt, the room temperature ionic liquid salt being a reaction product of (a) at least one polyalkylene polyamine compound represented by formula (I) : wherein x, y, and z are integers of 2 and 3, m and n are integers of 1-3; and (b) an organic acid having pKa (the negative of the logarithm of the acid dissociation constant) less than 6. The liquid salt is a stable liquid at a temperature greater than 15℃. Curable epoxy-based compositions including the curing agent and articles formed by the curable epoxy-based compositions are also disclosed.

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