Use of polyethers containing urethane or urea groups for...

Details Use of polyethers containing urethane or urea groups for... Use of polyethers containing urethane or urea groups for...

B - Operations, Transporting

01

F

B01F 17/52 (2006.01) C08G 18/48 (2006.01) C08J 3/20 (2006.01) C08J 9/228 (2006.01) C08L 75/08 (2006.01)

Patent

CA 2600593

The invention relates to the use of polyethers containing urethane or urea groups as foam stabilizers, obtained by reacting A. at least one isocyanate with B. (a) at least one hydrophilic polyether which statistically carries at least one OH and/or NH2 and/or NH function and (b) at least one hydrophobic polyether which statistically carries at least one OH and/or NH2 and/or NH function and optionally (c) further compounds which carry at least one OH and/or NH2 and/or NH function and/or other isocyanate- reactive groups, such as carboxyl or epoxide functions, with the proviso that at least one isocyanate A. is >= difunctional.

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