Polyester/polycarbonate blends having enhanced properties

C - Chemistry – Metallurgy – 08 – L

Patent

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C08L 69/00 (2006.01) C08K 3/22 (2006.01) C08K 5/13 (2006.01) C08K 5/524 (2006.01) C08K 13/02 (2006.01) C08L 67/00 (2006.01) C08L 67/02 (2006.01)

Patent

CA 2188808

A PES/PC blend having enhanced properties as virgin material and as recyclate comprises: a) at least one metal oxide or metal salt of a fatty acid; and b1) at least one phosphite and at least one sterically hindered phenol, or b2) at least one difunctional epoxy resin, or a combination of b1) and b2), containing 0.01-10 parts of component a) per 100 parts of PES/PC blend.

Un mélange polyester/polycarbonate (PES/PC) à propriétés améliorées tant comme matériau vierge que comme matériau recyclé comprend: a) au moins un oxyde métallique ou un sel métallique d'un acide gras; et b¿1?) au moins un phosphite et au moins un phénol à empêchement stérique; ou b¿2?) au moins une résine époxy bifonctionnelle, ou une combinaison de b¿1?) et b¿2?), ce mélange contenant 0,01 à 10 parties du constituant a) pour cent parties du mélange PES/PC.

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