C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
117/195, 400/741
C08G 18/08 (2006.01) C08G 18/28 (2006.01) C08G 18/50 (2006.01) C08J 3/07 (2006.01) C09D 175/04 (2006.01) C09J 175/04 (2006.01)
Patent
CA 1309206
Mo-2883 LeA-24,274 A PROCESS FOR THE CONTINUOUS PRODUCTION OF AQUEOUS POLYURETHANE DISPERSIONS AND THEIR USE AS A COATING COMPOSITION OR AS AN ADHESIVE ABSTRACT OF THE DISCLOSURE The present invention is directed to a continuous process for the production of aqueous polyurethane dispersions by continuously mixing solutions of polyurethanes or isocyanate prepolymers dissolved in an organic solvent with water and subsequently continuously removing at least a portion of the solvent using a circulation-type evaporator. The present invention is also directed to the production of coatings or adhesives by applying the aqueous polyurethane dispersions to a substrate. Mo-2883
529080
Fuhrmann Peter
Henning Wolfgang
Meckel Walter
Aktiengesellschaft Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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