Aqueous emulsions of polyisocyanates and process for...

Details Aqueous emulsions of polyisocyanates and process for... Aqueous emulsions of polyisocyanates and process for...

C - Chemistry, Metallurgy

08

L

400/111, 400/133

C08L 1/26 (2006.01) B27N 3/00 (2006.01) C08G 18/64 (2006.01) C08G 18/70 (2006.01) C08K 5/29 (2006.01) C08L 1/32 (2006.01) C08L 97/02 (2006.01)

Patent

CA 1338073

The invention relates to aqueous emulsions of polyisocyanates comprising at least one cellulose ether dissolved in water, and at least one organic polyisocyanate. The invention also relates to a process for preparing aqueous emulsions as defined hereinbefore, comprising dissolving the cellulose ether in water, and then adding the polyisocyanate at room temperature, with a high stirring speed, higher than 8,000 revolutions per minute and for short times, within the range of from 5 to 60 seconds.

594879

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