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    Process for the production of gel-free ethylene/vinyl acetate copolymers with a high content of copolymerized vinyl acetate and a high mooney viscosity
    4.
    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。

    Polymer bromination process in solution
    5.
    发明授权
    Polymer bromination process in solution 失效

    公开(公告)号：US06232409B1

    公开(公告)日：2001-05-15

    申请号：US08804767

    申请日：1997-02-24

    申请人： Gabor Kaszas ,  Wolfgang Baade ,  Heinrich Konigshofen

    发明人： Gabor Kaszas ,  Wolfgang Baade ,  Heinrich Konigshofen

    IPC分类号： C08F822

    CPC分类号： C08F8/22 ,  C08F210/12

    摘要： An improved process is provided for the bromination of isoolefin-conjugated diolefin polymers by brominating said polymer in solution in selected halogen-containing hydrocarbons as solvent. There is also provided an improved product of said process wherein the brominated polymer contains not less than 80 percent of the bound bromine atoms in a form suitable to participate in the vulcanization of the polymer and wherein not less than 70 percent of the bound conjugated diolefin units are similarly so brominated.

    Process for the production of polyisoolefins
    6.
    发明授权
    Process for the production of polyisoolefins 失效
    生产聚异烯烃的方法

    公开(公告)号：US5543479A

    公开(公告)日：1996-08-06

    申请号：US508237

    申请日：1995-07-27

    申请人： Wolfgang Baade ,  Roland Heinrich ,  Gerhard Langstein ,  Thomas Mulder ,  Judit Puskas

    发明人： Wolfgang Baade ,  Roland Heinrich ,  Gerhard Langstein ,  Thomas Mulder ,  Judit Puskas

    IPC分类号： C08F10/10 ,  C08F2/06 ,  C08F4/12 ,  C08F4/16 ,  C08F210/10 ,  C08F210/12 ,  C08F4/14

    CPC分类号： C08F210/12 ,  C08F210/10 ,  Y10S526/941

    摘要： Polyisoolefins are produced according to the invention by polymerizing isoolefins having 4 to 16 carbon atoms, optionally with conjugated diolefins having 4 to 6 carbon atoms and/or cationically polymerizable, mono- or polyunsaturated, organic compounds having 4 to 16 carbon atoms in the presence of mixtures of carbon dioxide and linear, branched and/or cyclic C.sub.4 -C.sub.8 alkanes and in the presence of catalysts at temperatures of -70.degree. C. to +20.degree. C. and pressures of 1 to 70 bar, wherein the weight ratio of carbon dioxide to alkanes is 10:90 to 90:10.The process according to the invention largely prevents the formation of fouling on the reactor walls, so ensuring better removal of heat. Moreover, in accordance with the process according to the invention, the polyisoolefins obtained may be directly chemically modified once the carbon dioxide has been removed.

    摘要翻译： 根据本发明通过聚合具有4至16个碳原子的异烯烃，任选地具有4至6个碳原子的共轭二烯烃和/或具有4至16个碳原子的阳离子可聚合的单或多不饱和有机化合物在根据本发明的情况下， 二氧化碳和线性，支化和/或环状C 4 -C 8烷烃的混合物，并且在催化剂存在下，在-70℃至+ 20℃的温度和1至70巴的压力下，其中碳的重量比 二氧化碳至烷烃为10:90至90:10。 根据本发明的方法大大地防止在反应器壁上形成结垢，从而确保更好地除去热量。 此外，根据本发明的方法，一旦二氧化碳被除去，所获得的聚异戊烯可以直接化学改性。

    Polymer bromination process in solution
    7.
    发明授权
    Polymer bromination process in solution 失效
    聚合物溴化过程在溶液中

    公开(公告)号：US06420489B2

    公开(公告)日：2002-07-16

    申请号：US09796182

    申请日：2001-02-28

    申请人： Gabor Kaszas ,  Wolfgang Baade ,  Heinrich Konigshofen

    发明人： Gabor Kaszas ,  Wolfgang Baade ,  Heinrich Konigshofen

    IPC分类号： C08F818

    CPC分类号： C08F8/22 ,  C08F210/12

    摘要： An improved process is provided for the bromination of isoolefin-conjugated diolefin polymers by brominating said polymer in solution in selected halogen-containing hydrocarbons as solvent. There is also provided an improved product of said process wherein the brominated polymer contains not less than 80 percent of the bound bromine atoms in a form suitable to participate in the vulcanization of the polymer and wherein not less than 70 percent of the bound conjugated diolefin units are similarly so brominated.

    摘要翻译： 提供了一种改进的方法，用于通过将所述聚合物在选择的含卤素烃溶剂中的溶液中溴化所述异烯烃共轭二烯烃聚合物进行溴化。 还提供了所述方法的改进的产物，其中溴化聚合物含有不少于80％的结合溴原子，其形式适于参与聚合物的硫化，并且其中不少于70％的结合的共轭二烯单元 类似地如此溴化。

    Polymer bromination process
    8.
    发明授权
    Polymer bromination process 失效
    聚合物溴化法

    公开(公告)号：US5883198A

    公开(公告)日：1999-03-16

    申请号：US804775

    申请日：1997-02-24

    申请人： Gabor Kaszas ,  Wolfgang Baade ,  Heinrich Konigshofen

    发明人： Gabor Kaszas ,  Wolfgang Baade ,  Heinrich Konigshofen

    IPC分类号： C08F8/20 ,  C08C19/14 ,  C08F8/22

    CPC分类号： C08C19/14 ,  C08F8/22

    摘要： An improved process is provided for the bromination of isoolefin conjugated diolefin polymers by brominating said polymer in solution in a solvent comprising a mixture of an inert saturated paraffinic hydrocarbon and an inert halogen-containing hydrocarbon. There is also provided an improved product of said process wherein the brominated polymer contains not less than 70 percent of the bound conjugated diolefin units which are brominated and also not less than 80 percent of the bound bromine atoms are in a form suitable to participate in the vulcanization of said polymer.

    摘要翻译： 提供了一种通过在包含惰性饱和链烷烃和惰性含卤素烃的混合物的溶剂中的溶液中溴化所述聚合物来溴代异烯烃共轭二烯烃聚合物的改进方法。 还提供了所述方法的改进的产物，其中溴化聚合物含有不少于70％的溴化结合的共轭二烯烃单元，并且不少于80％的结合溴原子具有适合于参与 所述聚合物的硫化。

    Process for the bromination of alkyl rubbers
    9.
    发明授权
    Process for the bromination of alkyl rubbers 失效
    溴化烷基橡胶的方法

    公开(公告)号：US5569723A

    公开(公告)日：1996-10-29

    申请号：US543138

    申请日：1995-10-13

    申请人： Wolfgang Baade ,  Heinrich K onigshofen ,  Gabor Kaszas

    发明人： Wolfgang Baade ,  Heinrich K onigshofen ,  Gabor Kaszas

    IPC分类号： B60C1/00 ,  C08C19/14 ,  C08F8/20 ,  C08F8/22

    CPC分类号： C08C19/14 ,  B60C1/0008 ,  C08F8/22

    摘要： C.sub.4 -C.sub.16 alkyl rubbers are brominated by reacting the alkyl rubbers with bromine in the presence of organic azo compounds and/or alkali metal and/or alkaline earth metal hypochlorites and in the presence of linear, branched and/or cyclic alkanes and water at temperatures of 10.degree. to 100.degree. C., optionally under pressure, wherein the quantity of bromine is 0.2 to 1.2 times the molar quantity of double bonds contained in the rubber, 0.1 to 3 times the molar quantity of hypochlorite and/or azo compounds is used relative to the quantity of bromine used, providing that the concentration of the hypochlorites in an aqueous solution is 2 to 20 wt. %, and wherein 5 to 20 wt. % of water, 60 to 90 wt. % of alkanes and 5 to 25 wt. % of alkyl rubber are used relative to 100 wt. % of the total of alkyl rubber, alkanes and water.

    摘要翻译： 在有机偶氮化合物和/或碱金属和/或碱土金属次氯酸盐的存在下，在线性，支化和/或环状烷烃和水的存在下，使烷基橡胶与溴反应，将C4-C16烷基橡胶溴化 10℃至100℃，任选在压力下，其中溴的量为橡胶中所含双键摩尔量的0.2至1.2倍，使用次氯酸盐和/或偶氮化合物的摩尔量的0.1至3倍 相对于所使用的溴的量，只要次氯酸盐在水溶液中的浓度为2〜20重量％。 ％，并且其中5至20wt。 ％的水，60〜90wt。 ％的烷烃和5至25wt。 ％的烷基橡胶相对于100重量％ 烷基橡胶，烷烃和水的总量的百分比。

    Polymer bromination process
    10.
    发明授权
    Polymer bromination process 有权
    聚合物溴化法

    公开(公告)号：US06204338B1

    公开(公告)日：2001-03-20

    申请号：US09195404

    申请日：1998-11-19

    申请人： Gabor Kaszas ,  Wolfgang Baade ,  Heinrich Konigshofen

    发明人： Gabor Kaszas ,  Wolfgang Baade ,  Heinrich Konigshofen

    IPC分类号： C08F822

    CPC分类号： C08C19/14 ,  C08F8/22 ,  C08F210/00 ,  C08F210/10

    摘要： An improved process is provided for the bromination of isoolefin-conjugated diolefin polymers by brominating said polymer in solution in a solvent comprising a mixture of an inert saturated paraffinic hydrocarbon and an inert halogen-containing hydrocarbon. There is also provided an improved product of said process wherein the brominated polymer contains not less than 70 percent of the bound conjugated diolefin units which are brominated and also not less than 80 percent of the bound bromine atoms are in a form suitable to participate in the vulcanization of said polymer.

    摘要翻译： 提供了一种改进的方法，用于通过在包含惰性饱和链烷烃和惰性含卤素烃的混合物的溶剂中的溶液中溴化所述聚合物来溴化异烯烃共轭的二烯烃聚合物。 还提供了所述方法的改进的产物，其中溴化聚合物含有不少于70％的溴化结合的共轭二烯烃单元，并且不少于80％的结合溴原子具有适合于参与 所述聚合物的硫化。