Polyester polyols, a process for the production thereof and...

Details Polyester polyols, a process for the production thereof and... Polyester polyols, a process for the production thereof and...

C - Chemistry, Metallurgy

08

G

C08G 63/91 (2006.01) C08G 18/10 (2006.01) C08G 18/42 (2006.01) C08G 63/12 (2006.01)

Patent

CA 2606028

The present invention relates to polyester polyols with low functionality and a process for their production, to prepolymers prepared from these polyester polyols and a process for their production, and to polyurethanes prepared from these polyester polyols and/or from these prepolymers, and to processes for their production. These polyester polyols are produced in a two-step process. In the second step of this two-step process, one or more cyclic ester monomers is reacted with one or more polyester polyols at low temperatures,

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