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    • 4. 发明申请
    • THERMOPLASTIC POLYCARBONATE COMPOSITIONS, ARTICLES MADE THEREFROM AND METHOD OF MANUFACTURE
    • 热塑性聚碳酸酯组合物,其制品及其制造方法
    • WO2006096438A1
    • 2006-09-14
    • PCT/US2006/007372
    • 2006-03-01
    • GENERAL ELECTRIC COMPANYAGARWAL, Naveen
    • AGARWAL, Naveen
    • C08L69/00
    • C08L69/00C08G64/186C08K3/346C08K9/06C08L25/12C08L51/04C08L55/02C08L83/10Y10T428/31504Y10T428/31507C08L2666/02
    • A thermoplastic composition, contains a polycarbonate resin, a polycarbonate- polysiloxane copolymer, an aromatic vinyl copolymer, an impact modifier, and a mineral filler, wherein the composition has least about 40% ductility under multiaxial impact strength test conditions per ASTM D3763 at -30°C. Alternatively, a composition contains a polycarbonate resin, a polycarbonate-polysiloxane copolymer in an amount sufficient to provide at least about 2.5 wt.% siloxane by weight of the composition, an aromatic vinyl copolymer comprising SAN, an impact modifier comprising ABS, and a mineral filler. Such compositions may be made by combining, by weight of the composition, polycarbonate resin, a polycarbonate- polysiloxane copolymer, an aromatic vinyl copolymer, an impact modifier, and a mineral filler, wherein the composition has at least 40% ductility under multiaxial impact strength test conditions per ASTM D3763 at -30°C. An article may be made from such a composition, optionally by molding, shaping or forming the composition to form the article.
    • 热塑性组合物包含聚碳酸酯树脂,聚碳酸酯 - 聚硅氧烷共聚物,芳族乙烯基共聚物,抗冲改性剂和矿物填料,其中该组合物在多轴冲击强度试验条件下根据ASTM D3763在-30℃下具有至少约40%的延展性 C。 或者,组合物包含聚碳酸酯树脂,聚碳酸酯 - 聚硅氧烷共聚物,其量足以提供至少约2.5重量%的组合物的硅氧烷,包含SAN的芳族乙烯基共聚物,包含ABS的抗冲改性剂和矿物 填料。 这样的组合物可以通过组合聚碳酸酯树脂,聚碳酸酯 - 聚硅氧烷共聚物,芳族乙烯基共聚物,抗冲改性剂和矿物填料的组合来制备,其中组合物在多轴冲击强度下具有至少40%的延展性 测试条件根据ASTM D3763在-30°C。 可以通过这种组合物制备制品,任选地通过模制,成型或形成组合物以形成制品。
    • 5. 发明申请
    • FLAME RETARDANT AND SCRATCH RESISTANT THERMOPLASTIC POLYCARBONATE COMPOSITIONS
    • 阻燃和抗刮擦热塑性聚碳酸酯组合物
    • WO2008054884A2
    • 2008-05-08
    • PCT/US2007/070674
    • 2007-06-08
    • GENERAL ELECTRIC COMPANYSIRIPURAPU, SrinivasAGARWAL, NaveenLENS, Jan, Pleun
    • SIRIPURAPU, SrinivasAGARWAL, NaveenLENS, Jan, Pleun
    • C08L69/00C08K5/005C08K5/523C08L51/04C08L53/00C08L55/02C08L83/10C08L2666/02
    • A thermoplastic composition comprising in combination a polycarbonate homopolymer or copolymer comprising repeat carbonate units having the following structure: (I) wherein Ri and R2 are independently at each occurrence a Ci -C4 alkyl, n and p are each an integer having a value of 1 to 4, and T is selected from the group consisting of C5-Ci0 cycloalkanes attached to the aryl groups at one or two carbons, Ci-C5 alkyl groups, C6-C13 aryl groups, and C7-C12 aryl alkyl groups; an impact modifier, wherein the impact modifier comprises a first impact modifier comprising a polycarbonate - polysiloxane copolymer and a second impact modifier different from the first impact modifier; and a flame retardant is disclosed. The compositions have excellent scratch resistance as well as an improved balance of physical properties such as impact strength and spiral flow, while at the same time maintaining their good flame performance.
    • 一种热塑性组合物,其包含组合包含具有以下结构的重复碳酸酯单元的聚碳酸酯均聚物或共聚物:(I)其中R 1和R 2在每次出现时独立地为C 1 -C 4烷基,n和p为 每个整数具有1至4的值,并且T选自由一个或两个碳原子连接至芳基的C 1 -C 10环烷烃,C 1 -C 5烷基,C 6 -C 13芳基和C 7 -C 10芳基组成的组, C12芳基烷基; 冲击改性剂,其中所述抗冲改性剂包含第一抗冲改性剂,所述第一抗冲改性剂包含聚碳酸酯 - 聚硅氧烷共聚物和不同于所述第一抗冲改性剂的第二抗冲改性剂; 并公开了阻燃剂。 该组合物具有优异的耐刮擦性以及物理性能如冲击强度和螺旋流动的平衡的改善,同时保持其良好的火焰性能。