Impact resistant polymers based on bisphenol-A-polycarbonate
    2.
    发明授权
    Impact resistant polymers based on bisphenol-A-polycarbonate 失效
    基于双酚A聚碳酸酯的耐冲击聚合物

    公开(公告)号:US5629404A

    公开(公告)日:1997-05-13

    申请号:US479031

    申请日:1995-06-07

    IPC分类号: C08G64/04 C08G64/08 C08G64/00

    CPC分类号: C08G64/04 C08G64/08

    摘要: A high impact polymer comprising repeating monomer units of the formula: ##STR1## wherein R.sub.2 and R.sub.2 are substituents selected from the group consisting of hydrogen, an alkyl group, an aryl ring and a group promoting hydrogen bonding with a hydrogen atom of a phenyl ring, at least one of R.sub.1 and R.sub.2 being from the group promoting hydrogen bonding.

    摘要翻译: 包含下式的重复单体单元的高抗冲聚合物:其中R2和R2是选自氢,烷基,芳基环和促进与苯环氢原子氢键的基团的取代基 ,R1和R2中的至少一个来自促进氢键的基团。

    Thermally stable carbonate polymer
    10.
    发明授权
    Thermally stable carbonate polymer 失效
    热稳定的碳酸酯聚合物

    公开(公告)号:US4444978A

    公开(公告)日:1984-04-24

    申请号:US518774

    申请日:1983-07-29

    CPC分类号: C08G64/08

    摘要: Carbonate polymers having increased thermal stability are prepared by incorporating into the polymer chain an oligomer having the formula ##STR1## wherein R is the divalent residue of a dihydric phenol or a dihydric polynuclear phenol,R.sub.1 is an alkyl, aralkyl or alkaryl group having 1 to 25 carbons, and n is a number having an average value of 1-200.

    摘要翻译: 具有增加的热稳定性的碳酸酯聚合物通过在聚合物链中掺入具有下式的低聚物来制备:其中R是二元酚或二元多核苯酚的二价残基,R 1是具有1至1的烷基,芳烷基或烷芳基 25个碳,n为平均值为1-200的数字。