Flame-resistant polycarbonate abs moulding materials

Details Flame-resistant polycarbonate abs moulding materials Flame-resistant polycarbonate abs moulding materials

C - Chemistry, Metallurgy

08

L

C08L 69/00 (2006.01) C08K 3/00 (2006.01) C08K 5/52 (2006.01) C08L 51/00 (2006.01) C08L 27/18 (2006.01) C08L 51/04 (2006.01)

Patent

CA 2300215

Flame-resistant, thermoplastic moulding compositions containing a mixture of two aromatic polycarbonates A.1 and A.2 with different solution viscosities, a vinyl(co)polymer made from one or at least two ethylenically unsaturated monomers, a graft polymer obtainable by graft polymerisation of at least two monomers selected from chloroprene, 1,3-butadiene, isoprene, styrene, acrylonitrile, ethylene, propylene, vinyl acetate and (meth)acrylates with 1 to 18 carbon atoms in the alcohol component, a phosphorus compound, a fluorinated polyolefin and an inorganic compound with an average particle diameter of up to 200 nm.

L'invention concerne des matières de moulage thermoplastique ignifuges contenant un mélange de deux polycarbonates aromatiques A.1 et A.2 ayant une viscosité en solution différente, un vinyl(co)polymère comprenant un ou au moins deux monomères insaturés éthyléniquement, un polymère greffé obtenu par polymérisation avec greffage d'au moins deux monomères sélectionnés dans le groupe comprenant: chloroprène, butadiène-1,3, isoprène, styrène, acrylnitrile, éthylène, propylène, vinylacétate et ester d'acide (méth)acrylique ayant entre 1 et 18 atomes de C dans le constituant alcool, un composé phosphore, une polyoléfine fluorée et un composé inorganique de diamètre particulaire moyen allant jusqu'à 200 nm.

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