Process for the preparation of stable dispersions

Details Process for the preparation of stable dispersions Process for the preparation of stable dispersions

C - Chemistry, Metallurgy

08

G

402/132, 403/14

C08G 18/12 (2006.01) C08G 18/08 (2006.01) C08G 18/28 (2006.01) C08G 18/30 (2006.01) C08G 18/84 (2006.01)

Patent

CA 1081392

Abstract of the Disclosure This invention relates to the use of certain finely divided, stable and relatively low viscosity dispersions of polyisocyanate polyaddition products in compounds having hydroxyl groups. The dispersions are produced by reacting (1) organic polyisocyanates with (2) compounds having primary and/or secondary amino groups and/or primary hydroxyl groups in (3) compounds having at least one hydroxyl group, wherein compounds (3) have secondary hydroxyl groups in cases when compounds (2) have primary hydroxyl groups and wherein the components are reacted in the presence of more than 4% by weight of water, based on the quantity of reaction mixture including water.

265542

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