Hydroxy-functional binder components

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 8/00 (2006.01) C08F 8/30 (2006.01) C08F 8/46 (2006.01) C08G 63/91 (2006.01) C09D 123/26 (2006.01) C09D 167/00 (2006.01)

Patent

CA 2532897

The invention relates to hydroxy-functional binder components ABC containing a linear or branched main chain having a polymethylene structure -(CH2)n- or a polyester structure or a structure derived from the fatty acid esters of glycerin or other polyvalent alcohols. The invention is characterized in that said components have grafted cyclic imide structures on the main chain, wherein the imide-nitrogen atom is substituted by a hydroxyalkyl group or a hydroxyalkyl-aryl group. The invention also relates to method for the production of said components by reacting oleofinically unsaturated acid anhydrides B and hydroxyamines C and to the utilization of the inventive components for the formulation of binders.

L'invention concerne des composants de liant (ABC) à fonction hydroxy contenant une chaîne principale linéaire ou ramifiée présentant une structure polyméthylène -(CH¿2?)¿n?-, une structure polyester ou une structure dérivée d'esters d'acides gras de la glycérine ou d'autres alcools polyvalents. Les composants de liant selon l'invention sont caractérisés en ce qu'ils présentent des structures imide cycliques greffées sur la chaîne principale, l'atome d'imide-azote étant substitué par un groupe hydroxyalkyl ou un groupe hydroxyalkyl-aryl. L'invention concerne également un procédé de fabrication desdits composants de liant par transformation d'anhydrides cycliques (B) à insaturation oléfinique et d'hydroxyamines (C), ainsi que leur utilisation dans la formulation de liants.

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