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93 条记录 (耗时 0.023 秒)

    Sulfur-containing urethane-based resin composition, optical element and lens comprising this resin
    23.
    发明公开
    Sulfur-containing urethane-based resin composition, optical element and lens comprising this resin 失效
    含硫聚氨酯类树脂组合物，包含该树脂的光学元件和透镜

    公开(公告)号：EP0751161A3

    公开(公告)日：1997-02-05

    申请号：EP96304557.0

    申请日：1996-06-19

    申请人： MITSUI TOATSU CHEMICALS, Inc.

    发明人： Irizato, Yoshihiro ,  Umeda, Shinichi ,  Kanemura, Yoshinobu ,  Nagata, Teruyuki

    IPC分类号： C08G18/38

    CPC分类号： C08G18/677 ,  C08G18/3876 ,  G02B1/041 ,  C08L75/04

    摘要： The present invention discloses a sulfur-containing urethane-based resin composition
       which comprises a polythiol compound represented by formula (1):
       wherein X 1 , X 2 and X 3 each is a hydrogen atom or a mercapto group; x, y and z each is an integer of 0 to 8; and in their combinations, formula (1) has at least two mercapto groups,
    a polyiso(thio)cyanate compound, and a compound having two or more reactive unsaturated groups in an amount of 30 to 70% by weight based on the total weight of the composition, or a sulfur-containing urethane-based resin composition which comprises the polythiol compound represented by formula (1), the polyiso(thio)cyanate compound, the compound having two or more reactive unsaturated groups in an amount of 10 to 70% by weight based on the total weight, and a photopolymerization catalyst.

    摘要翻译： 本发明公开了含有由式（1）表示的多硫醇化合物的含硫氨基甲酸酯基树脂组合物：其中X 1，X 2和X 3各自为氢原子或巯基; x，y和z各自是0至8的整数; （1）具有至少两个巯基，多异（硫代）氰酸酯化合物和具有两个或更多个反应性不饱和基团的化合物，其含量基于 （1）表示的多硫醇化合物，多异（硫）氰酸酯化合物，具有两个以上反应性不饱和基团的化合物的含量为10〜70质量％的含硫聚氨酯类树脂组合物， （以重量计），和光聚合催化剂。

    Method for preparing aromatic secondary amino compound
    24.
    发明公开
    Method for preparing aromatic secondary amino compound 失效
    Verfahren zur Herstellung einer aromatishensekundärenAmino-Verbindung

    公开(公告)号：EP0753505A2

    公开(公告)日：1997-01-15

    申请号：EP96114159.5

    申请日：1993-08-11

    申请人： MITSUI TOATSU CHEMICALS, Inc.

    发明人： Nagata, Teruyuki ,  Kusuda, Chiyuki ,  Wada, Masaru ,  Satou, Kenichi

    IPC分类号： C07C209/68 ,  C07C209/52

    CPC分类号： C07C209/00 ,  C07C209/28 ,  C07C209/52 ,  C07C209/68

    摘要： Disclosed are (1) a method for preparing an aromatic secondary amino compound which comprises reacting an N-cyclohexylideneamino compound in the presence of a hydrogen moving catalyst and a hydrogen acceptor by the use of a sulfur-free polar solvent and/or a cocatalyst, and
    (2) a method for preparing an aromatic secondary amino compound which comprises reacting cyclohexanone or a nucleus-substituted cyclohexanone, an amine and a nitro compound corresponding to the amine in a sulfur-free polar solvent in the presence of a hydrogen moving catalyst, a cocatalyst being added or not added.

    摘要翻译： 本发明公开了（1）一种制备芳香族仲氨基化合物的方法，该方法包括在氢移动催化剂和氢受体存在下，通过使用无硫极性溶剂和/或助催化剂使N-亚环己基氨基化合物反应， 和（2）一种制备芳族仲氨基化合物的方法，其包括在氢移动催化剂存在下，在无硫极性溶剂中使环己酮或核取代的环己酮，对应于胺的胺和硝基化合物反应， 添加或不添加助催化剂。

    Process for the preparation of diphenylamine or nucleus-substituted derivative thereof
    27.
    发明公开
    Process for the preparation of diphenylamine or nucleus-substituted derivative thereof 失效
    Prozess zur Herstellung von Diphenylamin oder kern-substisterten Derivaten。

    公开(公告)号：EP0595332A1

    公开(公告)日：1994-05-04

    申请号：EP93117523.6

    申请日：1993-10-28

    申请人： MITSUI TOATSU CHEMICALS, Inc.

    发明人： Nagata, Teruyuki ,  Kusuda, Chiyuki ,  Wada, Masaru

    IPC分类号： C07C209/60 ,  C07C209/68

    CPC分类号： C07C209/18 ,  C07C209/28

    摘要： Described are processes for the preparation of diphenylamine or a nucleus-substituted derivative thereof, which comprise, upon feeding into a reaction system a phenol compound and reacting in the reaction system a cyclohexanone compound with an aniline compound in the presence of a hydrogen transfer catalyst and a catalytic amount of the cyclohexanone compound corresponding to the phenol compound while using the phenol compound as a hydrogen acceptor and forming the cyclohexanone compound in the reaction system, (1) conducting reaction while adding dropwise the aniline compound and (2) employing a hydroxide, carbonate or bicarbonate of an alkali metal and/or alkaline earth metal when the hydrogen transfer catalyst is one of noble metals of Group VIII of the periodic table, respectively.

    摘要翻译： 描述了制备二苯胺或其核取代衍生物的方法，其包括在将反应体系中加入酚化合物并在反应体系中在氢转移催化剂存在下使环己酮化合物与苯胺化合物反应，和 催化量的对应于酚化合物的环己酮化合物，同时使用酚化合物作为氢受体并在反应体系中形成环己酮化合物，（1）在滴加苯胺化合物的同时进行反应，和（2）使用氢氧化物， 当氢转移催化剂分别是周期表第VIII族的贵金属之一时，碱金属和/或碱土金属的碳酸盐或碳酸氢盐。

    Method for preparing aromatic secondary amino compound
    28.
    发明公开
    Method for preparing aromatic secondary amino compound 失效
    Verfahren zur Herstellung von aromatischersekundärerAmino Verbindung。

    公开(公告)号：EP0588060A2

    公开(公告)日：1994-03-23

    申请号：EP93112886.2

    申请日：1993-08-11

    申请人： MITSUI TOATSU CHEMICALS, Inc.

    发明人： Nagata, Teruyuki ,  Kusuda, Chiyuki ,  Wada, Masaru ,  Satou, Kenichi

    IPC分类号： C07C209/28 ,  C07C209/52 ,  C07C209/68 ,  C07C213/02

    CPC分类号： C07C209/00 ,  C07C209/28 ,  C07C209/52 ,  C07C209/68

    摘要： [Constitution] A method for preparing diphenylamine from cyclohexanone and aniline by adding dropwise nitrobenzene and cyclohexanone to a reaction system in which a hydrogen transfer catalyst and a sulfur-free polar solvent are present and aniline is being formed from nitrobenzene as a hydrogen acceptor.
    [Effect] Diphenylamine can be obtained in a high yield under moderate reaction conditions.

    摘要翻译： 本发明公开了（1）一种制备芳香族仲氨基化合物的方法，该方法包括在氢移动催化剂和氢受体存在下，通过使用无硫极性溶剂和/或助催化剂使N-亚环己基氨基化合物反应， 和（2）一种制备芳族仲氨基化合物的方法，其包括在氢移动催化剂存在下，在无硫极性溶剂中使环己酮或核取代的环己酮，对应于胺的胺和硝基化合物反应， 添加或不添加助催化剂。