C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/103, 402/137
C08G 18/28 (2006.01) C08G 18/16 (2006.01) C08G 18/22 (2006.01) C08G 18/38 (2006.01) C08G 18/65 (2006.01) C08J 9/00 (2006.01) C08K 5/098 (2006.01) C08K 5/405 (2006.01)
Patent
CA 2023976
ABSTRACT A compatibilized active hydrogen compound- alkylene glycol composition comprises components (A) a relatively high equivalent weight material having an average of at least about 1.8 active hydrogen-containing group per molecule and a weight of from 500 to 5000 per active hydrogen-containing group; (B) an alkylene glycol which is incompatible with component (A) at the relative proportions thereof present in the composition; and (C) a compatibilizing amount of at least one thiourea compound. Preferably the composition also contains at least one transition metal salt of a carboxylic acid wherein said metal is selected from Groups I-B, II-B, V-A, IV-B, V-B, VI-B, VII-B or VIII of the Periodic Table of the Elements. The composition preferably also contains a sufficient quantity of at least one amine group-containing material that the salt is soluble in said composition. Such compositions are useful in producing polyurethanes, particularly polyurethanes exhibiting relatively short demold times and good mold release properties. Unlike prior art compositions, the present compositions can be stored without substantial loss of activity.
Carswell Robert
Smart & Biggar
The Dow Chemical Company
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