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    • 1. 发明授权
    • Flame-resistant polycarbonate molding compositions
    • 耐火聚碳酸酯模塑组合物
    • US07220790B2
    • 2007-05-22
    • US10627015
    • 2003-07-25
    • Andreas SeidelThomas EckelDieter WittmannDirk Kurzidim
    • Andreas SeidelThomas EckelDieter WittmannDirk Kurzidim
    • C08K5/523
    • C08K5/523C08K5/0066C08K5/51C08L27/12C08L51/04C08L67/02C08L69/00C08L69/005C08L2666/02
    • A thermoplastic molding composition having good flame resistance, melt flowability, resistance to chemicals and creep is disclosed. The composition contains A) at least one member having weight average molecular weight (Mw) of 25,000 to 35,000 g/mol, selected from the group consisting of aromatic polycarbonate and polyestercarbonate B) ABS graft polymer produced by the mass polymerization process and characterized in (i) having a butadiene content of 8 to 15% in relation to the weight of the graft polymer, (ii) having an acrylic acid derivative content of 15 to 30% in relation to the total weight of the acrylic derivative and styrene monomer, and (iii) containing styrene monomer-acrylic acid derivative copolymer having a weight average molecular weight of 5·104 to 14·104 g/mol. The composition may further contain one or more of halogen-free phosphorus compounds, fluorinated polyolefin, a polymer containing acrylate monomer and an inorganic material in particulate form.
    • 公开了具有良好的阻燃性,熔体流动性,耐化学性和蠕变性的热塑性模塑组合物。 该组合物包含A)至少一种重均分子量(M≤W2)为25,000至35,000g / mol,选自芳族聚碳酸酯和聚酯碳酸酯B)ABS接枝聚合物 本发明的聚合方法的特征在于(i)相对于接枝聚合物的重量,丁二烯含量为8〜15%,(ii)丙烯酸衍生物含量相对于总重量为15〜30% 丙烯酸衍生物和苯乙烯单体,和(iii)含有重均分子量为5.10-4.0×10-4 / g的苯乙烯单体 - 丙烯酸衍生物共聚物。 组合物还可以含有一种或多种无卤素磷化合物,氟化聚烯烃,含丙烯酸酯单体的聚合物和颗粒形式的无机材料。