Process for the preparation of stable aqueous dispersions of...

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

C - Chemistry, Metallurgy

08

J

400/1000, 400/13

C08J 3/02 (2006.01) C08G 18/08 (2006.01) C08J 3/03 (2006.01) C09D 175/04 (2006.01)

Patent

CA 1154187

Mo-2136 LeA 19,728 PROCESS FOR THE PREPARATION OF STABLE AQUEOUS DISPERSIONS OF OLIGOURETHANES OR POLYURETHANES AND THEIR USE AS COATING COMPOUNDS FOR FLEXIBLE OR RIGID SUBSTRATES ABSTRACT OF THE DISCLOSURE A process is provided for preparing storage stable, aqueous dispersions of oligourethanes or polyurethanes in admixture with auxiliary agents and additives which are not soluble nor dispersible in water. The oligo- urethanes or polyurethanes are rendered dispersible in water by incorporating ionic and/or non-ionic hydrophilic groups. In order that the final product remains storage stable, the auxiliary agents or additives are added to the oligourethanes or polyurethanes before they are dispersed in water. Mo-2136 LeA 19,728

355496

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