Stable dispersions and the manufacture thereof

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

400/106, 400/743

C08L 75/02 (2006.01) C08G 18/08 (2006.01) C08G 18/18 (2006.01) C08G 18/32 (2006.01) C08G 18/40 (2006.01) C08J 3/07 (2006.01) C08L 75/04 (2006.01)

Patent

CA 1340034

The present invention relates to a process for the production of stable dispersions of polyureas and/or polyhydrazodicarbonamides in a hydroxyl-group-containing material by reacting an organic di- or polyisocyanate with a composition selected from the group consisting of polyamines containing primary and/or secondary amine groups, hydrazines, hydrazides, and mixtures thereof, in said hydroxyl-group containing material, in the presence of a dispersion stabilizing compound.

602045

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