Polycarbonate plates with improved flame resistance
    5.
    发明授权
    Polycarbonate plates with improved flame resistance 有权
    具有改善阻燃性的聚碳酸酯板

    公开(公告)号:US09371437B2

    公开(公告)日:2016-06-21

    申请号:US13505014

    申请日:2010-11-03

    摘要: A sheet containing a base layer containing polycarbonate and a flame retardant, wherein the flame retardant contains a compound of formula 1 wherein R1, R2, R3 and R4, represents an optionally halogen-substituted C1-C8 alkyl, C5-C6 cycloalkyl, C6-C10 aryl or C7-C12 aralkyl, R5 and R6, represents a C1-C4 alkyl, and Y represents a C1-C7 alkylidene, C1-C7 alkylene, C5-C12 cycloalkylidene, —O—, —S—, —SO—, —SO2—, —CO— or a residue of formula (2) or (3) wherein Z represents carbon and R21 and R22 can be selected for each Z individually and, represent hydrogen or C1-C6 alkyl, with the proviso that, on at least one Z atom, R21 and R22 are simultaneously alkyl and wherein the polycarbonate comprises a mixture of linear and branched polycarbonate and wherein the linear polycarbonate content is at least 40 wt. %, based on the total polycarbonate weight.

    摘要翻译: 包含含有聚碳酸酯和阻燃剂的基层的片材,其中所述阻燃剂含有式1的化合物,其中R 1,R 2,R 3和R 4表示任选卤素取代的C 1 -C 8烷基,C 5 -C 6环烷基, C10芳基或C7-C12芳烷基,R5和R6表示C1-C4烷基,Y表示C1-C7亚烷基,C1-C7亚烷基,C5-C12亚环烷基,-O - , - S - , - SO-, -SO 2 - , - CO-或式(2)或(3)的残基,其中Z表示碳,R 21和R 22可以各自独立选择,并且表示氢或C 1 -C 6烷基,条件是在 至少一个Z原子,R 21和R 22同时是烷基,并且其中所述聚碳酸酯包含直链和支链聚碳酸酯的混合物,并且其中线性聚碳酸酯含量为至少40wt。 %,基于聚碳酸酯的总重量。