Piperidine derivatives, their production and stabilized polymer
compositions containing same
    12.
    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。

    Production of bisphenol derivatives
    13.
    发明授权
    Production of bisphenol derivatives 失效
    生产双酚衍生物

    公开(公告)号:US4562281A

    公开(公告)日:1985-12-31

    申请号:US561207

    申请日:1983-12-14

    IPC分类号: C07C67/08

    CPC分类号: C07C67/08

    摘要: Bisphenol derivatives of the formula (I), ##STR1## are produced by reacting a carboxylic acid, RCOOH (II), with a bisphenol of the formula (III), ##STR2## adding a halogenating agent in the presence of a dehydrohalogenating agent. The product bisphenol derivatives are useful as antioxidants.

    摘要翻译: 通过使羧酸RCOOH(II)与式(III)的双酚反应,在脱卤化氢剂的存在下加入卤化剂来制备式(I),(IMAGE)的双酚衍生物。 产物双酚衍生物可用作抗氧化剂。

    Stabilizers for synthetic resins
    14.
    发明授权
    Stabilizers for synthetic resins 失效
    合成树脂稳定剂

    公开(公告)号:US4511491A

    公开(公告)日:1985-04-16

    申请号:US514021

    申请日:1983-07-15

    CPC分类号: C08K5/372 C08K5/13 C08K5/378

    摘要: Phenolic compounds and methods of producing such phenolic compounds are disclosed, said compounds being of the formula: ##STR1## wherein n' is an integer from 1 to 3, and R.sub.1 is a hydrogen atom, or an alkyl group having 1 to 4 carbon atoms or an acyl group having 1 to 5 carbon atoms.These compounds are suitable as stabilizers for synthetic resins with at least one sulfur compound of the following formulas: ##STR2## wherein R.sub.2 is an alkyl group having 4 to 20 carbon atoms, and ##STR3## wherein R.sub.3 is an alkyl group having 3 to 18 carbon atoms, and R.sub.4 and R.sub.5 each independently is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms,in the ratio (I):(II) of 1:0.5-15 by weight.

    摘要翻译: 公开了酚类化合物和制备这种酚类化合物的方法,所述化合物具有下式:其中n'为1至3的整数,并且R 1为氢原子或具有1至 4个碳原子或碳原子数1〜5的酰基。 这些化合物适用于具有至少一种下列硫化合物的合成树脂的稳定剂:其中R 2是具有4至20个碳原子的烷基,和其中R 3是具有 3至18个碳原子,R4和R5各自独立地为氢原子或具有1至6个碳原子的烷基,(I):(II)的比例为1:0.5-15重量%。

    Stabilized polyolefin composition
    15.
    发明授权
    Stabilized polyolefin composition 失效
    稳定的聚烯烃组合物

    公开(公告)号:US4985479A

    公开(公告)日:1991-01-15

    申请号:US329764

    申请日:1989-03-28

    摘要: A stabilized polyolefin composition having improved weathering resistance is provided, whereby the following four components are incorporated into a polyolefin:(A) a hindered piperidine compound having a molecular weight of more than 750, such as poly-{[6-morpholino-1,3,5-triazine-2,4-diyl][2,2,6,6-tetramethyl-4-piperidyl)imino]hexamethylene[2,2,6,6-tetramethyl-4-piperidyl)imino]},(B) a hindered piperidine compound having a molecular weight of less than 500, such as bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate,(C) a benzoate compound such as 2,4-di-t-butylphenyl 3,5-di-t-butyl-4-hydroxybenzoate, and(D) a phosphorus-containing compound such as bis(2,4-di-t-butylphenyl) pentaerythritol diphosphite.

    摘要翻译: 提供了具有改善的耐候性的稳定的聚烯烃组合物,由此将以下四种组分引入聚烯烃中:(A)分子量大于750的受阻哌啶化合物,例如聚{{6-吗啉代-1, 亚氨基]亚己基[2,2,6,6-四甲基-4-哌啶基]亚氨基]}, (B)分子量小于500的受阻哌啶化合物,例如双(2,2,6,6-四甲基-4-哌啶基)癸二酸酯,(C)苯甲酸酯化合物如2,4-二 - 3,5-二叔丁基-4-羟基苯甲酸叔丁基苯酯和(D)含磷化合物如双(2,4-二叔丁基苯基)季戊四醇二亚磷酸酯。