Preparation of carboxylic acid-containing polyurethane...

Details Preparation of carboxylic acid-containing polyurethane... Preparation of carboxylic acid-containing polyurethane...

C - Chemistry, Metallurgy

08

G

402/150, 400/201

C08G 18/10 (2006.01) C08G 18/08 (2006.01) C08G 18/34 (2006.01) C08G 18/48 (2006.01) C08G 18/63 (2006.01) C08L 75/06 (2006.01)

Patent

CA 1196145

Abstract of the Disclosure Disclosed is a process for making carboxylic acid-containing mono- and polyether polyol addition products by reacting maleic acid, fumaric: acid, itaconic acid, or mixtures thereof with at least one polyhydroxy- containing mono-or polyether compound (e.g. a polyether diol or triol) in the presence of a peroxy-type free radical initiator. Also disclosed are the processes of making polyurethane prepolymers and aqueous polyurethane dispersions from these carboxylic acid-containing mono- and polyether polyol addition products and processes for using these dispersions in coatings, adhesives and other useful products.

440913

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