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16 条记录 (耗时 0.023 秒)

    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

    申请人： Yukoh Takahashi ,  Takeo Fujii ,  Masahisa Shionoya ,  Shinichi Yachigo ,  Tamaki Ishii

    发明人： Yukoh Takahashi ,  Takeo Fujii ,  Masahisa Shionoya ,  Shinichi Yachigo ,  Tamaki Ishii

    IPC分类号： C07D491/22 ,  C08K5/3435 ,  C08K5/34

    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

    申请人： Yukoh Takahashi ,  Yutaka Terada ,  Shinichi Yachigo ,  Tamaki Ishii

    发明人： Yukoh Takahashi ,  Yutaka Terada ,  Shinichi Yachigo ,  Tamaki Ishii

    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

    申请人： Tamaki Ishii ,  Shinichi Yachigo ,  Yukoh Takahashi

    发明人： Tamaki Ishii ,  Shinichi Yachigo ,  Yukoh Takahashi

    IPC分类号： C08K5/13 ,  C08K5/372 ,  C08K5/378 ,  C09K15/08

    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％。

    Thermally stabilized butadiene resins containing a hindered phenolic acrylate or methacrylate
    16.
    发明授权
    Thermally stabilized butadiene resins containing a hindered phenolic acrylate or methacrylate 失效
    含有受阻酚丙烯酸酯或甲基丙烯酸酯的热稳定丁二烯树脂

    公开(公告)号：US4774274A

    公开(公告)日：1988-09-27

    申请号：US64461

    申请日：1987-06-22

    申请人： Takeshi Takata ,  Shin-ichi Yachigo ,  Tatsuo Kaneoya ,  Haruki Okamura ,  Yukoh Takahashi

    发明人： Takeshi Takata ,  Shin-ichi Yachigo ,  Tatsuo Kaneoya ,  Haruki Okamura ,  Yukoh Takahashi

    IPC分类号： C08K5/134 ,  C08K5/10

    CPC分类号： C08K5/134

    摘要： A process for producing a bisphenol compound useful as deterioration preventor capable of stabilizing organic substances against the decompositions caused by heat, light and oxygen, represented by the following general formula: ##STR1## wherein R.sub.1 represents alkyl group having 1 to 3 carbon atoms, alkenyl group having 2 to 4 carbon atoms, phenyl group or 2-phenylethenyl group; R.sub.2 represents alkyl group having 1 to 5 carbon atoms, or cyclohexyl group; R.sub.3 represents alkyl group having 1 to 9 carbon atoms, cyclohexyl group or phenyl group; and R.sub.4 represents alkyl group having 1 to 11 carbon atoms or phenyl group, which comprises reacting a carboxylic acid represented by the following general formula: ##STR2## wherein R.sub.1 is as defined above, with a bisphenol compound represented by the following general formula: ##STR3## wherein R.sub.2, R.sub.3 and R.sub.4 are as defined above, by the use of a halogenating agent in the presence of a dehydrohalogenating agent, as well as butadiene polymer compositions containing said bisphenol compounds.

    摘要翻译： 一种生产双酚化合物的方法，该双酚化合物可用作能够稳定有机物质以抵抗由热，光和氧引起的分解引起的降解防止剂，由以下通式表示：其中R 1表示具有1至3个碳原子的烷基，烯基 具有2至4个碳原子的基团，苯基或2-苯基乙烯基; R2表示具有1至5个碳原子的烷基或环己基; R3表示具有1至9个碳原子的烷基，环己基或苯基; R 4表示具有1〜11个碳原子的烷基或苯基，其包括使由以下通式表示的羧酸与下述通式表示的双酚化合物反应：其中R 1如上定义。 其中R2，R3和R4如上定义，在脱卤化氢剂存在下使用卤化剂，以及含有所述双酚化合物的丁二烯聚合物组合物。