Method of producing an impact-resistant thermoplastic resin

Details Method of producing an impact-resistant thermoplastic resin Method of producing an impact-resistant thermoplastic resin

C - Chemistry, Metallurgy

08

F

C08F 290/14 (2006.01) C08F 265/04 (2006.01) C08F 291/00 (2006.01) C08K 5/00 (2006.01) C08L 51/00 (2006.01)

Patent

CA 2627587

The invention relates to a method of producing an impact-resistant thermoplastic resin which is filled with a carbonaceous or mineral material and which optionally contains an organic impact-modifying agent, with the introduction of a comb polymer into the resin, said polymer having at least one ethylenically-unsaturated monomer with at least one polyalkylene oxide function grafted thereto. The invention also relates to the resins thus obtained, which have improved impact resistance without the stiffness thereof being negatively affected.

L'invention concerne un procédé de fabrication d'une résine thermoplastique chargée par une matière minérale ou carbonée, et contenant éventuellement un modificateur d'impact de nature organique, par introduction dans ladite résine d'un polymère peigne disposant d'au moins un monomère à insaturation éthylénique sur lequel est greffée au moins une fonction oxyde de polyalkylène. Les résines alors obtenues qui font aussi l'objet de l'invention présentent une résistance à l'impact améliorée sans que leur rigidité soit dégradée.

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