C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/103, 402/140
C08G 18/28 (2006.01) C08G 18/16 (2006.01) C08G 18/22 (2006.01) C08G 18/65 (2006.01) C08K 5/098 (2006.01) C08K 5/21 (2006.01) C09J 9/00 (2006.01)
Patent
CA 2023979
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 groups per molecule and a weight from about 500 to about 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 and catalytic amount of an additive containing (1) a urea compound and (2) a 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; said composition containing a sufficient quantity of at least one amine group-containing material such that component (2) is soluble in said composition. Such compositions are useful in producing poloyurethanes, particularly polyurethanes exhibiting relatively short demold times and good mold release properties. Unlike prior art compositions, the present compositions can generally be stored without substantial loss of activity.
Bernardi Hugo E.
Carswell Robert
Bernardi Hugo E.
Carswell Robert
Smart & Biggar
The Dow Chemical Company
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