Polycarbonate or polyester carbonate containing optical brighteners
    5.
    发明授权
    Polycarbonate or polyester carbonate containing optical brighteners 失效
    含有荧光增白剂的聚碳酸酯或聚酯碳酸酯

    公开(公告)号:US07265170B2

    公开(公告)日:2007-09-04

    申请号:US10669423

    申请日:2003-09-24

    IPC分类号: C08K5/34

    摘要: A thermoplastic molding composition characterized by its optical brightness and good weathering resistance is disclosed. The composition contains a poly(ester) carbonate an optical brightener conforming to where R1, R2, R3 R4, R5 and R6 independently denote H, alkyl, aryl, heteroaryl or halogen, or where R1, R2, R3, R4, R5, R6 and R7 mutually independently stand for H, alkyl, aryl, heteroaryl, halogen or a cyano group.

    摘要翻译: 公开了一种其光学亮度和耐候性良好的热塑性模塑组合物。 该组合物含有一种根据R 1,R 2,R 3,R 4,R 4,R 3,R 3, R 5,R 6和R 6独立地表示H,烷基,芳基,杂芳基或卤素,或其中R 1,R 2, R 3,R 3,R 4,R 5,R 6和R 4 相互独立地代表H,烷基,芳基,杂芳基,卤素或氰基。