Substituted hydroxylamine ester stabilizers
    64.
    发明授权
    Substituted hydroxylamine ester stabilizers 失效
    取代羟胺酯稳定剂

    公开(公告)号:US4983770A

    公开(公告)日:1991-01-08

    申请号:US420192

    申请日:1989-10-12

    IPC分类号: C08K5/32 C08K5/372 C09K15/24

    CPC分类号: C09K15/24 C08K5/32 C08K5/3725

    摘要: Substituted hydroxylamine ester stabilizers corresponding to the formula ##STR1## wherein n is 0-2, X is a direct bond, --S-- or --CH.sub.2 S--, R.sub.1 and R.sub.2 are independently hydrogen, alkyl, cycloalkyl, aralkyl, R.sub.3 and R.sub.4 are independently alkyl, cycloalkyl or aralkyl, and R.sub.5 is hydrogen or the group ##STR2## are effective in stabilizing organic materials against oxidative, thermal and actinic degradation.

    摘要翻译: 对应于式“IMAGE”的取代羟胺酯稳定剂,其中n为0-2,X为直接键,-S-或-CH 2 S - ,R 1和R 2独立地为氢,烷基,环烷基,芳烷基,R 3和R 4独立地为 烷基,环烷基或芳烷基,R5为氢或“IMAGE”基团有效稳定有机材料,防止氧化,热和光化学降解。

    Substituted (4-hydroxyphenylthio) succinic anhydride or succinate
stabilizers
    68.
    发明授权
    Substituted (4-hydroxyphenylthio) succinic anhydride or succinate stabilizers 失效
    取代的(4-羟基苯硫基)琥珀酸酐或琥珀酸酯稳定剂

    公开(公告)号:US4547539A

    公开(公告)日:1985-10-15

    申请号:US667190

    申请日:1984-11-01

    摘要: Substituted succinic anhydride or succinate stabilizers of the formula I or II ##STR1## where R.sub.1 and R.sub.2 are independently alkyl, cycloalkyl, phenyl or aralkyl, R.sub.3 is hydrogen or methyl, R.sub.4 is hydrogen, lower alkyl or phenyl, R.sub.5 is hydrogen, alkyl, alkylthio, arylthio or the structure ##STR2## and R.sub.6 and R.sub.7 are independently hydrogen, alkyl; aryl or substituted aryl are useful as stabilizers for polymeric substrates, particularly polyolefins and rubber.

    摘要翻译: (I)其中R 1和R 2独立地是烷基,环烷基,苯基或芳烷基,R 3是氢或甲基,R 4是氢,低级烷基(C 1 -C 6) 或苯基,R 5是氢,烷基,烷硫基,芳硫基或结构,并且R 6和R 7独立地是氢,烷基; 芳基或取代的芳基可用作聚合物基材,特别是聚烯烃和橡胶的稳定剂。