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    A METHOD FOR PRODUCING 4-AMINODIPHENYLAMINE
    4.
    发明授权
    A METHOD FOR PRODUCING 4-AMINODIPHENYLAMINE 有权
    用于生产4-氨基二苯胺

    公开(公告)号：EP1645555B1

    公开(公告)日：2011-09-28

    申请号：EP04738332.8

    申请日：2004-07-02

    申请人： Jiangsu Sinorgchem Technology Co., Ltd

    发明人： WANG, Nongyue ,  YU, Ruibiao ,  MAO, Xiaohui ,  FENG, Xiaogen ,  CHENG, Qianwen

    IPC分类号： C07C211/55 ,  C07C209/36 ,  C07C209/60

    CPC分类号： C07C211/55 ,  C07C209/36 ,  C07C209/60 ,  Y02P20/584

    摘要： The present invention discloses a method for producing 4-aminodiphenylamine by reacting nitrobenzene with a aniline in the presence of complex base catalyst for condensation and complex powdery catalyst for hydrogenation, which comprises the steps of condensation, separation, hydrogenation, separation II and refining sequentially. The method of the present invention can be carried out continuously. By using the complex base catalyst for the condensation, followed being separated and recycling before the hydrogenation, the problem of heat-sensitive decomposition of the complex base catalyst during the hydrogenation procedure can be avoided. Accordingly, the choice of the hydrogenation catalyst is increased, and lower-cost hydrogenation catalysts can be used. Meanwhile, the apparatus can be selected easily and the industrialization can be achieved simply. The complex base catalyst according to the invention is cheaper. The catalystic activity of the catalyst is high and the condition of the reaction is gentle. Additionally, the complex base catalyst is suitable to a wide range of water content. Accordingly the amount of the by-product is decreased, and the conversion and the selectivity can be increased. The labour intensity of the process control is low. Moreover, corrodible liquid is not generated and the environmental pollution can be reduced. The content of 4­aminodiphenylamine reaches 99% (by weigh), and yield of the industrial- scale production is greater than 95%.

    SULFUR-CONTAINING PALLADIUM/CARBON CATALYST, PREPARATION METHOD THEREFOR, AND METHOD FOR PREPARING P-PHENYLENEDIAMINE ANTIOXIDANT
    6.
    发明公开
    SULFUR-CONTAINING PALLADIUM/CARBON CATALYST, PREPARATION METHOD THEREFOR, AND METHOD FOR PREPARING P-PHENYLENEDIAMINE ANTIOXIDANT 审中-公开
    含硫钯/碳催化剂，用于生产和方法制备的对苯二胺抗氧化剂的

    公开(公告)号：EP2759341A1

    公开(公告)日：2014-07-30

    申请号：EP12834431.4

    申请日：2012-09-24

    申请人： Jiangsu Sinorgchem Technology Co., Ltd.

    发明人： The designation of the inventor has not yet been filed

    IPC分类号： B01J31/16 ,  B01J37/20 ,  C07C209/26 ,  C07C211/51

    摘要： Provided are a sulfur-containing Palladium (Pd)/carbon catalyst, a preparation method therefor, and a method of using the catalyst to prepare p-Phenylenediamine (PPD) rubber antioxidant. The method for preparing the sulfur-containing Pd/carbon catalyst comprises: loading Pd on an active carbon to obtain a Pd/carbon catalyst; then, preparing a slurry by mixing the Pd/carbon catalyst with a solvent; subsequently, adding a sulfide to the slurry, stirring at a predetermined temperature; finally, filtering, and acquiring the sulfur-containing Pd/carbon catalyst. Application of the sulfur-containing Pd/carbon catalyst in the preparation of the PPD rubber antioxidant not only improves the yield of the PPD rubber antioxidant and inhibits a material from being reduced into a corresponding alcohol, but also improves selectivity.

    摘要翻译： 本发明提供一种含硫钯（Pd）/碳催化剂，为此的制备方法，以及使用该催化剂以制备对苯二胺（PPD）橡胶防老剂的方法。 用于制备含硫的Pd /碳催化剂的方法包括：在以活性炭，得到Pd /碳催化剂负载的Pd; 然后，通过混合溶剂中的Pd /碳催化剂制备浆料; 随后，加入硫化物的浆料，在预定的温度下搅拌; 最后，过滤，并获取所述含硫的Pd /碳催化剂。 在PPD橡胶抗氧化剂的制备含硫的Pd /碳催化剂的应用不仅提高了PPD橡胶抗氧化剂的产率和抑制被还原成相应的醇的材料，所以也可以加强选择性。

    GLOBULAR RUBBER ADJUVANTS AND THE METHOD OF PREPARATING THE SAME
    7.
    发明公开
    GLOBULAR RUBBER ADJUVANTS AND THE METHOD OF PREPARATING THE SAME 有权
    VERFAHREN ZUR HERSTELLUNG VONGLOBULÄRENKAUTSCHUKADJUVANTIEN

    公开(公告)号：EP2085135A1

    公开(公告)日：2009-08-05

    申请号：EP07816567.7

    申请日：2007-10-15

    申请人： Jiangsu Sinorgchem Technology Co., Ltd

    发明人： WANG, Nongyue ,  MAO, Xiaohui ,  FENG, Xiaogen ,  CHENG, Qianwen ,  WANG, Luxin

    IPC分类号： B01J2/20 ,  C08K7/16 ,  B01J2/30

    CPC分类号： B29B9/12 ,  B29B9/10 ,  B29K2021/00

    摘要： The present invention provides spherical rubber chemicals and the method for preparing the same. The spherical rubber chemicals of the present invention include spherical antioxidants, spherical vulcanization agents, spherical processing aids, spherical reinforcing agents, or spherical adhesive agents. With the spherical rubber chemicals of the present invention, the shortcomings of powdery or semi-spherical rubber chemicals are overcome, including eliminating the dust pollution during granulation procedure and avoiding the raw material loss and the environmental pollution, while solving the quality problem of lower melting point of product caused by the presence of fine powder crystal. Furthermore, the resultant rubber chemicals has an improved smoothness of surface, which is helpful to improve the flowing and mixing behaviors of the rubber chemicals in mixing or open milling process with rubbers.

    摘要翻译： 本发明提供球形橡胶化学品及其制备方法。 本发明的球形橡胶化学品包括球形抗氧化剂，球形硫化剂，球形加工助剂，球形增强剂或球形粘合剂。 对于本发明的球形橡胶化学品，克服了粉状或半球形橡胶化学品的缺点，包括消除造粒过程中的粉尘污染，避免原料损失和环境污染，同时解决低熔点的质量问题 由于细粉晶体的存在引起的产品点。 此外，所得到的橡胶化学品具有改善的表面平滑度，这有助于改善橡胶化学品在与橡胶混合或开放研磨过程中的流动和混合行为。