Stabilised thermoplastic compositions

Details Stabilised thermoplastic compositions Stabilised thermoplastic compositions

C - Chemistry, Metallurgy

08

K

C08K 5/00 (2006.01) C08K 5/1535 (2006.01) C08L 51/04 (2006.01) C08L 69/00 (2006.01)

Patent

CA 2550563

The invention relates to compositions containing: A) a graft polymer consisting of 5 to 95 wt. % of at least one vinyl monomer on 95 to 5 wt % of one or more graft bases with glass transition temperatures <10 ~C; B) a lactone of formula (I); C) at least one compound selected from the group consisting of phosphoric acid esters of formula (II), sterically hindered phenols of formula (III), phosphites of formula (IV) and optionally additional components, selected from at least one of the following groups: D) polycarbonates and/or polyester carbonates, E) vinyl (co)polymers, F) flame- retardants, G) additives.

L'invention concerne des compositions contenant: A) un polymérisat greffé de 5 à 95 % en poids d'au moins un monomère de vinyle sur 95 à 5 % en poids d'une ou de plusieurs bases de greffe à températures de transition vitreuse <10 ·C; B) un lactone de formule (I); C) au moins un composé sélectionné dans le groupe constitué par l'ester d'acide phosphorique de formule (II), des phénols stériquement empêchés de formule (III), des phosphites de formule (IV) et éventuellement d'autres composants sélectionnés dans au moins un des groupes comprenant un polycarbonate et/ou un polyester carbonate, un (co)polymérisat de vinyle, un agent ignifuge, des additifs.

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