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14 条记录 (耗时 0.02 秒)

    Preparation of an aqueous polymer dispersion
    1.
    发明授权
    Preparation of an aqueous polymer dispersion 失效
    聚合物水分散体的制备

    公开(公告)号：US5763521A

    公开(公告)日：1998-06-09

    申请号：US760338

    申请日：1996-12-04

    申请人： Peter Claassen ,  Onno Graalmann ,  Wolfgang Alois Hormuth ,  Marinus Visseren

    发明人： Peter Claassen ,  Onno Graalmann ,  Wolfgang Alois Hormuth ,  Marinus Visseren

    IPC分类号： C08F2/22 ,  C08F2/24 ,  C08F236/04

    CPC分类号： C08F2/22 ,  C08F236/04

    摘要： An aqueous polymer dispersion is prepared by free radical aqueous emulsion polymerization of a mixture of monomers having at least one ethylenically unsaturated group, which comprises at least 30% by weight of monomers having two conjugated ethylenically unsaturated double bonds, by a process in which the polymerization temperature is varied in the course of the free radical aqueous emulsion polymerization.

    摘要翻译： 聚合物水分散体是通过具有至少一个烯键式不饱和基团的单体混合物的自由基水性乳液聚合制备的，所述烯属不饱和基团包含至少30重量％的具有两个共轭烯属不饱和双键的单体，其中聚合 在自由基水乳液聚合过程中温度变化。

    METHOD FOR THE PRODUCTION OF A NANO-SCALE SILICON DIOXIDE
    4.
    发明申请
    METHOD FOR THE PRODUCTION OF A NANO-SCALE SILICON DIOXIDE 审中-公开
    生产纳米二氧化硅的方法

    公开(公告)号：US20100233060A1

    公开(公告)日：2010-09-16

    申请号：US12671194

    申请日：2008-06-10

    申请人： Uwe Dietrich Kühner ,  Robert Wieczorreck ,  Onno Graalmann ,  Christof Roscher

    发明人： Uwe Dietrich Kühner ,  Robert Wieczorreck ,  Onno Graalmann ,  Christof Roscher

    IPC分类号： C01B33/12

    CPC分类号： C09C1/3081 ,  B82Y30/00 ,  C01P2004/64

    摘要： The object of the invention is a method for the production of a nano-scale silicon dioxide, said method comprising the following steps: a) provision of an aqueous suspension of a colloidal silicon dioxide with an average particle size of 1 to 500 nm; b) allowing said suspension to react with an organosilane or organosiloxane in an aprotic cyclic ether and silanization of the colloidal silicon dioxide; c) separation of the aqueous phase of the reaction mixture from the organic phase; d) allowing the organic phase to react again with an organosilane or organosiloxane in an aprotic cyclic ether and silanization of the colloidal silicon dioxide; e) separation of the aqueous phase of the reaction mixture from the organic phase.

    摘要翻译： 本发明的目的是制备纳米级二氧化硅的方法，所述方法包括以下步骤：a）提供平均粒度为1至500nm的胶态二氧化硅的水性悬浮液; b）使所述悬浮液与非质子性环醚中的有机硅烷或有机硅氧烷反应，并使胶态二氧化硅进行硅烷化; c）将反应混合物的水相与有机相分离; d）允许有机相与有机硅烷或有机硅氧烷在非质子环醚中反应，并使胶体二氧化硅硅烷化; e）将反应混合物的水相与有机相分离。

    Preparing polymer dispersion foams
    7.
    发明授权
    Preparing polymer dispersion foams 失效
    制备聚合物分散体泡沫

    公开(公告)号：US06051616A

    公开(公告)日：2000-04-18

    申请号：US218152

    申请日：1998-12-22

    申请人： Roelof Balk ,  Onno Graalmann ,  Frank Kolman

    发明人： Roelof Balk ,  Onno Graalmann ,  Frank Kolman

    IPC分类号： C08C1/065 ,  C08J9/18 ,  C08J9/20 ,  C08J9/22

    CPC分类号： C08C1/065

    摘要： The present invention relates to a process for preparing a polymer dispersion foam L, where:a) a mixture M which comprises at least one conjugated diene monomer A and at least one ethylenically unsaturated comonomer B is polymerized by free-radical aqueous emulsion polymerization in the presence of at least one emulsifier to give a fine polymer dispersion P,b) the fine polymer dispersion P is pressure-agglomerated to give a coarse polymer dispersion G,c) the polymer dispersion G is concentrated, if desired, and is mixed, if desired, with a reinforcer dispersion H, andd) the dispersion from c) is foamed to give a polymer dispersion foam L,which comprises adjusting the average particle size and the particle size distribution of G by varying a parameter selected from:I) the solids content of P,II) the agglomeration temperature in step b),III) the agglomeration pressure in step b),IV) the content of comonomer B in the mixture M,V) the concentration of the emulsifier in P,VI) the agglomeration throughput,to polymer dispersion foams obtainable by this process and to their use.

    摘要翻译： 本发明涉及一种制备聚合物分散体泡沫L的方法，其中：a）包含至少一种共轭二烯单体A和至少一种烯属不饱和共聚单体B的混合物M通过自由基水乳液聚合在 存在至少一种乳化剂以得到细聚合物分散体P，b）聚合物分散体P被压力聚集以产生粗大的聚合物分散体G，c）如果需要，聚合物分散体G被浓缩并混合，如果 需要的是加强分散体H，和d）来自c）的分散体发泡，得到聚合物分散体泡沫L，其包括通过改变选自以下的参数来调节G的平均粒度和粒度分布：I） 固体含量P，II）步骤b）中的附聚温度，III）步骤b）中的附聚压力，IV）混合物M中共聚单体B的含量，V）P，VI中乳化剂的浓度 聚集体分散体泡沫，可通过该方法获得，并适用于其用途。

    Foam based on an impact copolymer
    8.
    发明授权
    Foam based on an impact copolymer 失效
    基于影响共聚物的泡沫

    公开(公告)号：US5208265A

    公开(公告)日：1993-05-04

    申请号：US924492

    申请日：1992-08-04

    申请人： Isidoor de Grave ,  Joachim Fischer ,  Onno Graalmann

    发明人： Isidoor de Grave ,  Joachim Fischer ,  Onno Graalmann

    IPC分类号： C08J9/14 ,  C08F4/642 ,  C08J9/00 ,  C08L23/08 ,  C08L23/14 ,  C08L23/16 ,  C08L53/00

    CPC分类号： C08J9/0061 ,  C08L23/142 ,  C08L23/16 ,  C08L53/00 ,  C08J2323/10 ,  C08J2423/00 ,  C08J2451/00 ,  C08L2203/14

    摘要： In foams having a density of from 0.01 to 0.2 g/cm.sup.3 and a cell count of from 2 to 1,000 cells/mm.sup.2 and based on an impact copolymer, the impact copolymer consists ofa) from 1 to 55% by weight of a block copolymer ofa.sub.1) from 35 to 65% by weight of ethylene anda.sub.2) from 35 to 65% by weight of propylene andb) from 45 to 99% by weight of a random copolymer ofb.sub.1) from 0.5 to 6% by weight of ethylene and from 94 to 99.5% by weight of propylene, or ofb.sub.2) from 0.5 to 12% by weight of but-1-ene and 88 to 99.5% by weight of propylene.

    摘要翻译： 在密度为0.01至0.2g / cm 3和细胞计数为2至1,000个/ mm 2并基于抗冲共聚物的泡沫中，抗冲共聚物由以下组成：a）1至55重量％的嵌段共聚物 的a1）35至65重量％的乙烯和a2）35至65重量％的丙烯和b）45至99重量％的无规共聚物，b1）0.5至6重量％的乙烯 和94〜99.5重量％的丙烯，或b2）0.5〜12重量％的丁-1-烯和88〜99.5重量％的丙烯。