公开(公告)号：US20060247473A1

公开(公告)日：2006-11-02

申请号：US11477954

申请日：2006-06-30

申请人： Xiaogen Feng ,  Nongyue Wang ,  Xiaohui Mao ,  Ruibiao Yu ,  Qianwen Cheng

发明人： Xiaogen Feng ,  Nongyue Wang ,  Xiaohui Mao ,  Ruibiao Yu ,  Qianwen Cheng

IPC分类号： C07C209/04

CPC分类号： C07C209/24 ,  B01D1/065 ,  C07C209/02 ,  C07C209/36 ,  C07C209/38 ,  C07C209/86 ,  Y02P20/584 ,  C07C211/56 ,  C07C211/54

摘要： A process for preparing 4-aminodiphenylamine having the steps of reacting nitrobenzene and aniline in the presence of a complex base catalyst, hydrogenating the reaction mixture with hydrogen, a powdery composite catalyst, and a hydrogenation solvent; separating, recovering, and reusing the complex base catalyst and the powdery composite catalyst from the reaction mixture; separating, recovering, and reusing aniline, and optionally water, from the the reaction mixture; refining the reaction mixture to obtain 4-aminodiphenylamine. The complex base catalyst comprises tetraalkyl ammonium hydroxide, and tetraalkyl ammonium salt.

摘要翻译： 一种制备4-氨基二苯胺的方法，其步骤是在复合碱催化剂存在下使硝基苯和苯胺反应，用氢氢化反应混合物，粉末复合催化剂和氢化溶剂; 从反应混合物中分离，回收和再利用复合碱催化剂和粉末复合催化剂; 从反应混合物中分离，回收和再利用苯胺和任选的水; 精制反应混合物得到4-氨基二苯胺。 复合碱催化剂包括四烷基氢氧化铵和四烷基铵盐。

公开(公告)号：US09029603B2

公开(公告)日：2015-05-12

申请号：US13620588

申请日：2012-09-14

申请人： Xiaogen Feng ,  Nongyue Wang ,  Xiaohui Mao ,  Ruibiao Yu ,  Qianwen Cheng

发明人： Xiaogen Feng ,  Nongyue Wang ,  Xiaohui Mao ,  Ruibiao Yu ,  Qianwen Cheng

IPC分类号： C07C209/24 ,  C07C209/36 ,  C07C29/60 ,  B01D1/06 ,  C07C209/02 ,  C07C209/38 ,  C07C209/86

CPC分类号： C07C209/24 ,  B01D1/065 ,  C07C209/02 ,  C07C209/36 ,  C07C209/38 ,  C07C209/86 ,  Y02P20/584 ,  C07C211/56 ,  C07C211/54

摘要： A process for preparing alkylated p-phenylenediamine having the steps of reacting aniline and nitrobenzene in presence of a complex base catalyst to obtain 4-aminodiphenylamine intermediates, hydrogenating the 4-aminodiphenylamine intermediates to 4-aminodiphenylamine in presence of a hydrogenation catalyst, and reductively alkylating the 4-aminodiphenylamine to alkylated p-phenylenediamine.

摘要翻译： 一种制备烷基化对苯二胺的方法，其特征在于在复合碱催化剂存在下使苯胺和硝基苯反应，得到4-氨基二苯胺中间体，在氢化催化剂存在下将4-氨基二苯胺氢化为4-氨基二苯胺，还原烷基化 4-氨基二苯胺至烷基化对苯二胺。

公开(公告)号：US08486223B2

公开(公告)日：2013-07-16

申请号：US12900459

申请日：2010-10-07

申请人： Xiaogen Feng ,  Nongyue Wang ,  Xiaohui Mao ,  Ruibiao Yu ,  Qianwen Cheng

发明人： Xiaogen Feng ,  Nongyue Wang ,  Xiaohui Mao ,  Ruibiao Yu ,  Qianwen Cheng

IPC分类号： B01D1/06 ,  B01D1/22 ,  B01D3/02 ,  B01D3/28 ,  B01D3/42 ,  C07C209/86

CPC分类号： B01D1/065

摘要： A falling film evaporator having a shell pass, multiple tubes parallel to each other, a condensed steam outlet, an inlet for an aqueous solution on the top of the tube pass, an outlet for the aqueous solution at the bottom of the tube pass, a distributing assembly having a plurality of distributing trays arranged vertically from top to bottom in incremental diameters and each having multiple holes, and a plate for collecting the aqueous solution below the distributing assembly. The tubes are straight and installed vertically in the evaporator; inner wall of the tubes is smooth, and the top portion of the tubes is protruded above a horizontal plane of the plate. The evaporator is particularly useful for concentrating an aqueous solution containing thermosensitive materials.

摘要翻译： 具有壳通的降膜蒸发器，多个管彼此平行，冷凝蒸汽出口，管道顶部的水溶液入口，管道底部的水溶液出口， 分配组件具有多个分布托盘，其以增加的直径从顶部到底部垂直布置，并且每个具有多个孔，以及用于在分配组件下方收集水溶液的板。 管子是直的并垂直安装在蒸发器中; 管的内壁是光滑的，并且管的顶部在板的水平面上方突出。 蒸发器特别适用于浓缩含有热敏材料的水溶液。

公开(公告)号：US20080039657A1

公开(公告)日：2008-02-14

申请号：US11757277

申请日：2007-06-01

申请人： Xiaogen Feng ,  Nongyue Wang ,  Xiaohui Mao ,  Ruibiao Yu ,  Qianwen Cheng

发明人： Xiaogen Feng ,  Nongyue Wang ,  Xiaohui Mao ,  Ruibiao Yu ,  Qianwen Cheng

IPC分类号： C07C209/00

CPC分类号： C07C209/24 ,  B01D1/065 ,  C07C209/02 ,  C07C209/36 ,  C07C209/38 ,  C07C209/86 ,  Y02P20/584 ,  C07C211/56 ,  C07C211/54

摘要： A process for preparing 4-aminodiphenylamine having the steps of reacting nitrobenzene and aniline in the presence of a complex base catalyst, hydrogenating the reaction mixture with hydrogen, a powdery composite catalyst, and a hydrogenation solvent; separating, recovering, and reusing the complex base catalyst and the powdery composite catalyst from the reaction mixture; separating, recovering, and reusing aniline, and optionally water, from the reaction mixture; refining the reaction mixture to obtain 4-aminodiphenylamine. The complex base catalyst comprises tetraalkyl ammonium hydroxide, and tetraalkyl ammonium salt.

摘要翻译： 一种制备4-氨基二苯胺的方法，其步骤是在复合碱催化剂存在下使硝基苯和苯胺反应，用氢氢化反应混合物，粉末复合催化剂和氢化溶剂; 从反应混合物中分离，回收和再利用复合碱催化剂和粉末复合催化剂; 从反应混合物中分离，回收和再使用苯胺和任选的水; 精制反应混合物得到4-氨基二苯胺。 复合碱催化剂包括四烷基氢氧化铵和四烷基铵盐。

公开(公告)号：US20070227675A1

公开(公告)日：2007-10-04

申请号：US11759901

申请日：2007-06-07

申请人： Xiaogen Feng ,  Nongyue Wang ,  Xiaohui Mao ,  Ruibiao Yu ,  Qianwen Cheng

发明人： Xiaogen Feng ,  Nongyue Wang ,  Xiaohui Mao ,  Ruibiao Yu ,  Qianwen Cheng

IPC分类号： B01D1/22

CPC分类号： C07C209/24 ,  B01D1/065 ,  C07C209/02 ,  C07C209/36 ,  C07C209/38 ,  C07C209/86 ,  Y02P20/584 ,  C07C211/56 ,  C07C211/54

摘要： A falling film evaporator having a shell pass, a tube pass, a steam inlet on top of the shell pass, a condensed water outlet at bottom of the shell pass, a lower concentration aqueous phase inlet on top of the tube pass, a higher concentration aqueous phase outlet at bottom of the tube pass, a flow-aiding steam inlet on top of the tube pass, and a distributing tray below the lower concentration aqueous phase inlet.

摘要翻译： 具有壳通，管通，壳通道顶部的蒸汽入口的降膜蒸发器，壳通道底部的冷凝水出口，管道顶部的较低浓度水相入口，较高浓度 管道底部的水相出口，管道顶部的助流蒸汽入口和低浓度水相入口下方的分配塔。

公开(公告)号：US20120139140A1

公开(公告)日：2012-06-07

申请号：US13305454

申请日：2011-11-28

申请人： Nongyue Wang ,  Xiaohui Mao ,  Xiaogen Feng ,  Qianwen Cheng ,  Luxin Wang

发明人： Nongyue Wang ,  Xiaohui Mao ,  Xiaogen Feng ,  Qianwen Cheng ,  Luxin Wang

IPC分类号： B01J2/20

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 产品点由细粉晶体的存在引起。 此外，所得橡胶化学品具有改善的表面光滑度，有助于改善橡胶化学品在混合或开放研磨过程中与橡胶的流动和混合行为。

公开(公告)号：US08349230B2

公开(公告)日：2013-01-08

申请号：US13305454

申请日：2011-11-28

申请人： Nongyue Wang ,  Xiaohui Mao ,  Xiaogen Feng ,  Qianwen Cheng ,  Luxin Wang

发明人： Nongyue Wang ,  Xiaohui Mao ,  Xiaogen Feng ,  Qianwen Cheng ,  Luxin Wang

IPC分类号： B29B9/10

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 产品点由细粉晶体的存在引起。 此外，所得橡胶化学品具有改善的表面光滑度，有助于改善橡胶化学品在混合或开放研磨过程中与橡胶的流动和混合行为。

公开(公告)号：US20100228056A1

公开(公告)日：2010-09-09

申请号：US12224030

申请日：2008-02-22

申请人： Nongyue Wang ,  Xiaogen Feng ,  Xiaohui Mao

发明人： Nongyue Wang ,  Xiaogen Feng ,  Xiaohui Mao

IPC分类号： B03C1/30 ,  B03C1/02 ,  C07C209/38

CPC分类号： B03C1/12 ,  B03C1/0332 ,  B03C1/286 ,  B03C1/288 ,  B03C2201/18 ,  B03C2201/28

摘要： The present invention relates to a magnetic separation apparatus for continuous separating and recovering magnetic solid particles from a solid-liquid mixture. The apparatus includes at least one magnetic separation unit and each unit includes: an outer cylindrical vessel having a material inlet, a first outlet, and a second outlet; an inner cylindrical vessel, at least part of which extends along the axis inside the first cylindrical vessel without contacting with the inner surface of the outer cylindrical vessel; and a magnet, rendering the bottom of the inner cylindrical vessel magnetism during the first period and making the part of the surface lose its magnetism during a second period. When the solid-liquid mixture flows through the magnetic surface of the inner cylindrical vessel in the passage, the magnetic solids are absorbed and separated from the mixture.

摘要翻译： 本发明涉及一种用于从固液混合物中连续分离和回收磁性固体颗粒的磁选机。 该装置包括至少一个磁选机，每个单元包括：具有材料入口，第一出口和第二出口的外圆柱形容器; 内圆柱形容器，其至少一部分沿第一圆柱形容器内的轴线延伸，而不与外圆柱形容器的内表面接触; 和一个磁体，使第一个时间段内部圆柱形磁体的磁场的底部，并使表面的一部分在第二个时间段内失去磁性。 当固体 - 液体混合物流过通道内圆柱形容器的磁性表面时，磁性固体被吸收并与混合物分离。

公开(公告)号：US20100314789A1

公开(公告)日：2010-12-16

申请号：US12445900

申请日：2007-10-15

申请人： Nongyue Wang ,  Xiaohui Mao ,  Xiaogen Feng ,  Qianwan Cheng ,  Luxin Wang

发明人： Nongyue Wang ,  Xiaohui Mao ,  Xiaogen Feng ,  Qianwan Cheng ,  Luxin Wang

IPC分类号： B01J2/20

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 产品点由细粉晶体的存在引起。 此外，所得橡胶化学品具有改善的表面光滑度，有助于改善橡胶化学品在混合或开放研磨过程中与橡胶的流动和混合行为。

公开(公告)号：US08206596B2

公开(公告)日：2012-06-26

申请号：US12224030

申请日：2008-02-22

申请人： Nongyue Wang ,  Xiaogen Feng ,  Xiaohui Mao

发明人： Nongyue Wang ,  Xiaogen Feng ,  Xiaohui Mao

IPC分类号： B03C1/02

CPC分类号： B03C1/12 ,  B03C1/0332 ,  B03C1/286 ,  B03C1/288 ,  B03C2201/18 ,  B03C2201/28

摘要： The present invention relates to a magnetic separation apparatus for continuous separating and recovering magnetic solid particles from a solid-liquid mixture. The apparatus includes at least one magnetic separation unit and each unit includes: an outer cylindrical vessel having a material inlet, a first outlet, and a second outlet; an inner cylindrical vessel, at least part of which extends along the axis inside the first cylindrical vessel without contacting with the inner surface of the outer cylindrical vessel; and a magnet, rendering the bottom of the inner cylindrical vessel magnetism during the first period and making the part of the surface lose its magnetism during a second period. When the solid-liquid mixture flows through the magnetic surface of the inner cylindrical vessel in the passage, the magnetic solids are absorbed and separated from the mixture.

摘要翻译： 本发明涉及一种用于从固液混合物中连续分离和回收磁性固体颗粒的磁选机。 该装置包括至少一个磁选机，每个单元包括：具有材料入口，第一出口和第二出口的外圆柱形容器; 内圆柱形容器，其至少一部分沿第一圆柱形容器内的轴线延伸，而不与外圆柱形容器的内表面接触; 和一个磁体，使第一个时间段内部圆柱形磁体的磁场的底部，并使表面的一部分在第二个时间段内失去磁性。 当固体 - 液体混合物流过通道内圆柱形容器的磁性表面时，磁性固体被吸收并与混合物分离。