Rheological adjunct, method for production and use thereof

Details Rheological adjunct, method for production and use thereof Rheological adjunct, method for production and use thereof

C - Chemistry, Metallurgy

08

G

C08G 18/32 (2006.01) C08G 18/64 (2006.01) C08G 18/72 (2006.01) C09D 5/04 (2006.01) C09J 11/08 (2006.01)

Patent

CA 2439230

The invention relates to a rheological adjunct, comprising at least one urea derivative, which may be produced by: (A) reacting at least one polyisocyanate with (B) at least one polyamine having primary and/or secondary amino groups and at least one primary and/or secondary monoamine and/or water and the use thereof for the production of structurally viscous coating materials, adhesives and sealing masses.

L'invention concerne un adjuvant rhéologique contenant au moins un dérivé d'urée. On obtient cet adjuvant en faisant réagir (A) au moins un polyisocyanate avec (B) au moins une polyamine à groupes amino primaires et/ou secondaires et au moins une monoamine primaire et/ou secondaire et/ou de l'eau. Cette invention concerne également leur utilisation dans la production de substances de revêtement, d'adhésifs et de masses d'étanchéité à viscosité intrinsèque.

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