Flame-retardant polycarbonate-abs moulding compositions

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 69/00 (2006.01) C08K 5/523 (2006.01) C08L 25/12 (2006.01) C08L 51/04 (2006.01) C08L 27/18 (2006.01)

Patent

CA 2300216

Thermoplastic, flame-retardant moulding compositions, containing A. 40 to 99 parts by weight of a thermoplastic polycarbonate or polyester carbonate, B. 0.5 to 60 parts by weight of a graft polymer of B.1 5 to 95 % by weight of one or more vinyl monomers on B.2 95 to 5 by weight of one or more graft bases with glass transition temperatures < 0°C and an average particle size (d50 value) of 0.20 to 0.35 µm, C. 0 to 45 parts by weight of a thermoplastic vinyl copolymer, D. 0.5 to 20 parts by weight of a phosphorus compound, and E. 0.05 to 5 parts by weight of a fluorinated polyolefine.

Matières moulables thermoplastiques résistant à la flamme renfermant A) 40 à 99 parties en poids de polycarbonate ou de carbonate polyester, B) 0,5 à 60 parties en poids d'un polymère greffé contenant B.1) 5 à 95 % en poids d'un ou plusieurs monomères de vinyle pour B.2) 95 à 5 % en poids d'un ou plusieurs substrats de greffage de température de transition vitreuse < 0 DEG C et de granulométrie moyenne (valeur d50) de 0,20 à 0,35 mu m, C) 0 à 45 parties en poids d'un (co)polymère de vinyle thermoplastique, D) 0,5 à 20 parties en poids d'un composé du phosphore, E) 0,05 à 5 parties en poids d'une polyoléfine fluorée.

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