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137 条记录 (耗时 0.029 秒)

    Microgel-containing rubber mixtures with masked bi-functional mercaptans and vulcanization products produced therefrom
    72.
    发明授权
    Microgel-containing rubber mixtures with masked bi-functional mercaptans and vulcanization products produced therefrom 失效
    具有掩蔽的双官能硫醇和由其制备的硫化产品的含微凝胶的橡胶混合物

    公开(公告)号：US06372857B1

    公开(公告)日：2002-04-16

    申请号：US09653013

    申请日：2000-09-01

    申请人： Werner Obrecht ,  Winfried Jeske

    发明人： Werner Obrecht ,  Winfried Jeske

    IPC分类号： C08C1920

    CPC分类号： C08K5/372 ,  C08L21/00

    摘要： The invention relates to rubber mixtures of at least one rubber containing double bonds, at least one rubber gel and at least one masked bismercaptan, and to vulcanization products and rubber shaped articles produced therefrom. The vulcanization products produced from the rubber mixtures according to the present invention show an improvement in the modulus level, a reduction in the DIN abrasion and a reduction in the heat build-up under dynamic stress.

    摘要翻译： 本发明涉及至少一种含有双键的橡胶，至少一种橡胶凝胶和至少一种掩蔽的双硫醇的橡胶混合物，以及由其制备的硫化产品和橡胶成型制品。由本发明的橡胶混合物生产的硫化产品 本发明显示出模量水平的改善，DIN磨损的降低和动态应力下的热积聚的减少。

    Process for the production of gel-free ethylene/vinyl acetate copolymers with a high content of copolymerized vinyl acetate and a high mooney viscosity
    73.
    发明授权
    Process for the production of gel-free ethylene/vinyl acetate copolymers with a high content of copolymerized vinyl acetate and a high mooney viscosity 失效
    用于生产具有高含量的共聚乙酸乙烯酯和高门尼粘度的无凝胶乙烯/乙酸乙烯酯共聚物的方法

    公开(公告)号：US5576401A

    公开(公告)日：1996-11-19

    申请号：US545375

    申请日：1995-10-19

    申请人： Roland Steiger ,  Erhard Asch ,  Wolfgang Baade ,  Werner Obrecht

    发明人： Roland Steiger ,  Erhard Asch ,  Wolfgang Baade ,  Werner Obrecht

    IPC分类号： C08F2/04 ,  C08F2/06 ,  C08F4/04 ,  C08F10/00 ,  C08F210/02 ,  C08F218/02 ,  C08F218/08 ,  C08J3/24

    CPC分类号： C08F218/08 ,  C08F210/02

    摘要： Gel-free ethylene/vinyl acetate copolymers with a high content of copolymerized vinyl acetate and a high Mooney viscosity are produced by carrying out the polymerization in solution in the presence of 20 to 45% by weight tert.butanol, based on the reaction solution, at temperatures of 50.degree. to 80.degree. C. and under pressures of 300 to 450 bar using azo compounds in a cascade of stirred reactors with an average residence time of the reaction solution in the reactor cascade of 5 to 9 hours and a conversion of 50 to 70% by weight, based on the vinyl acetate used. The ethylene/vinyl acetate copolymers produced by the process according to the invention may be used for the production of vulcanizates having improved mechanical properties.

    摘要翻译： 基于反应溶液，在20-45％（重量）叔丁醇的存在下，通过在溶液中进行聚合来制备具有高含量共聚乙酸乙烯酯和高门尼粘度的无凝胶乙烯/乙酸乙烯酯共聚物， 在50至80℃的温度和300至450巴的压力下，在反应器级联反应器的平均停留时间为5至9小时的搅拌反应器级联中使用偶氮化合物，转化率为50 至70重量％，基于所用的乙酸乙烯酯。 通过本发明方法生产的乙烯/乙酸乙烯酯共聚物可用于生产具有改善的机械性能的硫化橡胶。

    Method and an apparatus for singling stacked cards
    75.
    发明授权
    Method and an apparatus for singling stacked cards 失效
    方法和装置堆垛卡的装置

    公开(公告)号：US5106260A

    公开(公告)日：1992-04-21

    申请号：US332717

    申请日：1989-04-03

    申请人： Werner Obrecht

    发明人： Werner Obrecht

    IPC分类号： B65H3/08 ,  B65H3/46

    CPC分类号： B65H3/46 ,  B65H3/0841 ,  B65H2701/1912

    摘要： In a method and an apparatus for singling cards such as check cards or identity cards, each card to be singled is moved beforehand into a singling groove, thereby passing out of the area of a stop holding the stack. The card thus presingled is thereupon taken completely off the stack using a suitable removing sucker. In this way, cards can be singled very reliably and gently.

    摘要翻译： 在用于单张卡（例如支票卡或身份证）的方法和装置中，要单挑的每张卡被预先移动到单个槽中，从而从保持该堆叠的停止区域中传出。 然后使用合适的去除吸盘将如此预定的卡完全从堆叠中取出。 以这种方式，卡片可以非常可靠和轻轻地单打。

    Nitrile rubbers which optionally contain alkylthio terminal groups and which are optionally hydrogenated
    80.
    发明授权
    Nitrile rubbers which optionally contain alkylthio terminal groups and which are optionally hydrogenated 有权
    任选地含有烷硫基端基并且任选被氢化的丁腈橡胶

    公开(公告)号：US08664315B2

    公开(公告)日：2014-03-04

    申请号：US12864381

    申请日：2009-01-16

    申请人： Werner Obrecht

    发明人： Werner Obrecht

    IPC分类号： C08K5/09

    CPC分类号： C08C1/15 ,  C08F236/12 ,  C08F2/24

    摘要： An improved polymerization and processing method allows the production of special nitrile rubbers which are characterized by a specific cation content which leads to an excellent storage stability and particularly good vulcanization rate and moreover results in vulcanized materials that have advantageous properties.

    摘要翻译： 通过改进的聚合和加工方法，可以生产以特定阳离子含量为特征的特殊丁腈橡胶，其具有优异的储存稳定性和特别好的硫化速率，并且还产生具有有利特性的硫化材料。