Stabilizer for synthetic resins
    1.
    发明授权
    Stabilizer for synthetic resins 失效
    合成树脂稳定剂

    公开(公告)号:US4576734A

    公开(公告)日:1986-03-18

    申请号:US712230

    申请日:1985-03-15

    摘要: A stabilizer for synthetic resins containing as an effective component a mixture comprising a phenol type compound (I) represented by the formula (I), ##STR1## wherein R.sub.1 represents a C.sub.1 -C.sub.3 alkyl group, and at least one sulfur type compound (II) selected from the group consisting of compounds represented by the formula (II-1), ##STR2## wherein R.sub.2 represents a C.sub.4 -C.sub.20 alkyl group, and compounds represented by the formula (II-2), ##STR3## wherein R.sub.3 represents a C.sub.3 -C.sub.18 alkyl group, and R.sub.4 and R.sub.5 independently represent a hydrogen atom or a C.sub.1 -C.sub.6 alkyl group, the weight ratio of phenol type compound (I) to sulfur type one (II) being 1 to 0.5-15.

    摘要翻译: 含有由式(I)表示的酚型化合物(I),其中R 1表示C 1 -C 3烷基的混合物作为有效成分的合成树脂稳定剂 ,和选自由式(II-1)表示的化合物,其中R 2表示C 4 -C 20烷基的化合物,II-1所示的至少一种硫型化合物(II) 式(II-2),其中R 3表示C 3 -C 18烷基,R 4和R 5独立地表示氢原子或C 1 -C 6烷基的化合物(II-2),苯酚型化合物 (I)的硫型(II)为1〜0.5〜15。

    Piperidine derivatives, their production and stabilized polymer
compositions containing same
    5.
    发明授权
    Piperidine derivatives, their production and stabilized polymer compositions containing same 失效
    哌啶衍生物,它们的生产和含有它们的稳定的聚合物组合物

    公开(公告)号:US4578410A

    公开(公告)日:1986-03-25

    申请号:US644680

    申请日:1984-08-27

    CPC分类号: C07D491/22 C08K5/3435

    摘要: There are provided piperidine derivatives having the formula ##STR1## wherein R represents a hydrogen atom or a C.sub.1 -C.sub.3 group, and R.sup.2 and R.sup.3 represent a hydrogen atom or taken together, form ##STR2## There is also provided a method for producing the above compounds which comprises reacting a tricetonamine derivative represented by the formula ##STR3## wherein R has the same meaning as described above, or its salt with sorbitol.The subject piperdine derivatives are useful as stabilizers for preventing the deterioration of polymers by light.

    摘要翻译: 提供具有式“IMAGE”的哌啶衍生物,其中R表示氢原子或C1-C3基团,R2和R3表示氢原子或一起形成。还提供了制备上述方法 化合物,其包括使式(ⅩⅧ)表示的三萜胺衍生物或其盐与山梨糖醇反应,其中R具有与上述相同的含义。 本发明的哌啶衍生物可用作防止聚合物劣化的稳定剂。