Reactive polymers and isocyanate-reactive polymers...

Details Reactive polymers and isocyanate-reactive polymers... Reactive polymers and isocyanate-reactive polymers...

C - Chemistry, Metallurgy

08

G

C08G 18/76 (2006.01) C08G 18/28 (2006.01) C08G 18/32 (2006.01) C08G 18/66 (2006.01) C08G 18/72 (2006.01)

Patent

CA 2307082

In-a compound of the formula I (see formula) (reactive polymer), L is polymer, XY is a reactive radical which is inert toward NCO groups and splits off one or more protective groups Y under acidic, neutral or basic conditions and the radical X bears, after Y has been split off, at least two groups which are reactive toward isocyanates. Also provided are processes for preparing such a polymer and for preparing a polymer polyol which is obtainable by reacting a polymer of the formula I with an acid or base. A polymer polyol as is obtainable by treatment of a reactive polymer according to the present, invention produce a polyaddition product or polycondensation product.

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