C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/48 (2006.01) C08G 18/10 (2006.01) C08G 18/72 (2006.01)
Patent
CA 2652706
The invention relates to polyethers containing urethane or urea groups as compatibilising agents, their preparation and use, obtained by the reaction of A. at least one di- and/or polyisocyanate with B. (a) at least one hydrophilic polyether which randomly carries at least one OH and/or NH2 and/or NH function and (b) at least one hydrophobic polyether which randomly comprises at least one OH and/or NH2 and/or NH function and (c) optionally further compounds which carry at least one OH and/or NH2 and/or NH function and/or other isocyanate-reactive groups such as carboxylic acid or epoxide functions, and with the proviso that at least one isocyanate A is difunctional or multifunctional.
de Gans Berend-Jan
Ferenz Michael
Glos Martin
Evonik Goldschmidt Gmbh
Marks & Clerk
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