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17 条记录 (耗时 0.016 秒)

    Defoamers for aqueous media
    11.
    发明授权
    Defoamers for aqueous media 有权
    含水介质的消泡剂

    公开(公告)号：US06420324B1

    公开(公告)日：2002-07-16

    申请号：US09548513

    申请日：2000-04-13

    申请人： Thomas Ebbrecht ,  Michael Gippert ,  Martina Hartmann ,  Wolfgang Josten ,  Peter Muss ,  Stefan Silber ,  Roland Sucker

    发明人： Thomas Ebbrecht ,  Michael Gippert ,  Martina Hartmann ,  Wolfgang Josten ,  Peter Muss ,  Stefan Silber ,  Roland Sucker

    IPC分类号： C10M10556

    CPC分类号： C10M171/004 ,  B01D19/0404 ,  B01D19/0413 ,  C07C275/14 ,  C08K5/21 ,  C08K7/16 ,  C09D7/63 ,  C09D11/03 ,  C10M133/20 ,  C10M2201/02 ,  C10M2215/102 ,  B01D19/0409

    摘要： The invention relates to compositions for defoaming aqueous media, comprising as defoamers urea derivatives of the formula I where R1 is a hydrocarbon radical, preferably having 4 to 30 carbon atoms or a hydrocarbon radical, preferably having 4 to 24 carbon atoms and one nitrogen atom or a hydrocarbon radical, preferably having 4 to 30 carbon atoms and one carbonyl group, R2 is a hydrogen atom or a hydrocarbon radical, preferably having 1 to 24 carbon atoms, R3 is a hydrogen atom or a hydrocarbon radical, preferably having 1 to 24 carbon atoms, R4 is an organic radical, preferably having 2 to 30 carbon atoms, and n is from 0 to 5; in the form of solid particles, which are obtained by crystallization from a clear homogeneous melt dispersed in a carrier medium, and a process of preparation thereof.

    摘要翻译： 本发明涉及用于消泡含水介质的组合物，其包含消泡剂式I的脲衍生物，其中R 1是优选具有4至30个碳原子的烃基或优选具有4至24个碳原子的烃基和1个氮原子或烃 优选具有4至30个碳原子和一个羰基，R 2是氢原子或烃基，优选具有1至24个碳原子，R 3是氢原子或烃基，优选具有1至24个碳原子， R4是有机基团，优选具有2至30个碳原子，并且n为0至5; 其为通过从分散在载体介质中的透明均匀熔体结晶获得的固体颗粒的形式及其制备方法。

    Method for defoaming aqueous dispersions of polymeric organic substances by addition of polyoxyalkylene-polysiloxane block copolymers
    12.
    发明授权
    Method for defoaming aqueous dispersions of polymeric organic substances by addition of polyoxyalkylene-polysiloxane block copolymers 失效
    通过加入聚氧化烯 - 聚硅氧烷嵌段共聚物来消泡聚合有机物的水分散体的方法

    公开(公告)号：US5032662A

    公开(公告)日：1991-07-16

    申请号：US309314

    申请日：1989-02-10

    申请人： Roland Berger ,  Hans-Ferdi Fink ,  Otto Klocker ,  Roland Sucker

    发明人： Roland Berger ,  Hans-Ferdi Fink ,  Otto Klocker ,  Roland Sucker

    IPC分类号： B01D19/04 ,  C08G77/46 ,  C09D5/02 ,  C09D7/12

    CPC分类号： C09D5/024 ,  B01D19/0409 ,  C08G77/46

    摘要： Polyoxyalkylene-polysiloxane block copolymers are disclosed which exhibit an outstanding defoaming action and have the special advantage of not causing wetting defects when dispersions defoamed therewith are applied on a 2-dimensional substrate. Dispersions of polymeric organic substances, especially dispersions of vehicles, coating agents and adhesives are defoamed by the addition of 0.01 to 2.0% by weight, based on the dispersion to be defoamed, of a polyoxyalkylene-polysiloxane block copolymer of the formula,R.sup.1 O--A--[B--A--].sub.m R.sup.1whereinA is a polyoxyalkylene block with the average formula C.sub.n H.sub.2n O--)y, in which n has a value of 2.8 to 4.0 and y a value of 15 to 100,B is a polysiloxane block of the average formula, ##STR1## wherein the R.sup.2 groups are the same or different and represent an alkyl group with 1 to 4 carbon atoms or a phenyl group, with the proviso that at least 90% of the R.sup.2 groups are methyl groups and x has a value of 10 to 100,R.sup.1 groups are the same or different and represent a hydrogen atom or an alkyl group with 1 to 4 carbon atoms andm has a value of 4 to 20.

    摘要翻译： 公开了具有优异的消泡作用的聚氧化烯 - 聚硅氧烷嵌段共聚物，并且具有在将其消泡的分散体施加在二维基材上时不会引起润湿缺陷的特殊优点。 聚合有机物质，特别是车辆分散体，涂层剂和粘合剂的分散体通过加入基于待消泡的分散体的0.01-2.0重量％的下式的聚氧化烯 - 聚硅氧烷嵌段共聚物，即R1O-A - [BA-] mR1其中A是平均式C n H 2n O - ）y的聚氧化烯嵌段，其中n的值为2.8〜4.0，ya为15〜100，B为平均式的聚硅氧烷嵌段， IMAGE>其中R2基团相同或不同并且表示具有1至4个碳原子的烷基或苯基，条件是至少90％的R 2基团是甲基，x的值为10至 100，R 1相同或不同，表示氢原子或碳原子数为1〜4的烷基，m为4〜20的数。

    Polyoxyalkylene-polysiloxane block polymers, a process for preparing them and their use as defoamers in aqueous dispersions
    13.
    发明授权
    Polyoxyalkylene-polysiloxane block polymers, a process for preparing them and their use as defoamers in aqueous dispersions 有权
    聚氧化烯 - 聚硅氧烷嵌段聚合物，其制备方法及其在水分散体中的消泡剂的用途

    公开(公告)号：US08022150B2

    公开(公告)日：2011-09-20

    申请号：US12516619

    申请日：2007-10-30

    申请人： Eberhard Esselborn ,  Ralf Schnelle ,  Roland Sucker ,  Otto Klocker

    发明人： Eberhard Esselborn ,  Ralf Schnelle ,  Roland Sucker ,  Otto Klocker

    IPC分类号： C08F283/00 ,  C08G77/04

    CPC分类号： C08G77/46 ,  C08G65/2609 ,  C08G65/2648 ,  C08G65/336 ,  C08J3/03 ,  C08J2383/12 ,  C08L71/02 ,  C08L83/12 ,  C08L2205/05 ,  C09D7/65 ,  C08L83/00

    摘要： The invention relates to the polyoxyalkylene-polysiloxane block polymers of general formula (I) C—B—(AB)a—C1 (I), wherein A=a polyoxyalkylene block of the general formula —(CnH2nO)b—, B=a polysiloxane block of the general formula —(SiR2—O)c—, C, C1=the same or different alkoxypolyoxyalkylene groups of the general formula Z—O—[CH2—CH(R1)O]d—, R=the same or different C1-4 alkyl groups or phenyl groups, with the proviso that at least 90% of the groups R are methyl groups, R1=the same or different hydrogen, C1-12 alkyl groups or phenyl groups, Z=an alkyl, alkylene, aryl or alkylaryl group, a=1 to 20, preferably 2 to 10, b=an average value of 10 to 130, preferably 20 to 100, c=3 to 100, preferably 10 to 80, d=independently is in the range of C/C1 values of 2 to 20, preferably 2 to 12, with the proviso that the average value is in the range of 2 to

    摘要翻译： 本发明涉及通式（I）C-B-（AB）a-C1（I）的聚氧化烯 - 聚硅氧烷嵌段聚合物，其中A =通式为（CnH2nO）b-的聚氧化烯嵌段，B = 通式为（SiR2-O）c-，C，C1 =通式Z-O- [CH2-CH（R1）O] d-的相同或不同的烷氧基聚氧化烯基的聚硅氧烷嵌段，R =相同或不同的 不同的C 1-4烷基或苯基，条件是至少90％的基团R是甲基，R 1 =相同或不同的氢，C 1-12烷基或苯基，Z =烷基，亚烷基， 芳基或烷芳基，a = 1〜20，优选2〜10，b = 10〜130，优选20〜100的平均值，c = 3〜100，优选10〜80，d = C / C1值为2至20，优选2至12，条件是平均值在2至<15，优选2至12，特别是5至10的范围内，d优选不等于b，n = 2至12的平均值为2.7至4 .0。 本发明还涉及一种制备所述嵌段聚合物的方法及其在水性分散体中的消泡剂中的用途。

    Preparation for the water-repellent impregnation of porous mineral building materials
    17.
    发明授权
    Preparation for the water-repellent impregnation of porous mineral building materials 失效
    多孔矿物建筑材料的水分蚀刻制备

    公开(公告)号：US5091002A

    公开(公告)日：1992-02-25

    申请号：US492086

    申请日：1990-03-12

    申请人： Eckehard Schamberg ,  Gotz Koerner ,  Herwig Fritsch ,  Manfred Grasse ,  Roland Sucker

    发明人： Eckehard Schamberg ,  Gotz Koerner ,  Herwig Fritsch ,  Manfred Grasse ,  Roland Sucker

    IPC分类号： C04B41/49 ,  C04B41/64

    CPC分类号： C04B41/009 ,  C04B41/4961 ,  C04B41/64

    摘要： A composition is disclosed which is useful for the water-repellent impregnation of porous mineral building materials. The composition is based on organosilicon compounds which contain alkoxy groups and comprises an emulsion which contains 2.5 to 25% by weight of an alkoxysilane of the formulaR.sup.1 -Si(OR.sup.2).sub.3whereinR.sup.1 is an alkyl group with 3 to 12 carbon atoms andR.sup.2 is a methyl or ethyl group, 2 to 20% by weight of an alkoxysiloxane of the formula ##STR1## wherein R.sup.3 is an alkyl group with 1 to 6 carbon atomsa is 0.8 to 1.2 andb is 0.2 to 1.2,0.01 to 5% by weight of an emulsifier, 0.01 to 0.1% by weight of fillers with an effective surface area of at least 40 m.sup.2 /g and 49.9 to 95.48% by weight of water. The composition has a long shelf life and, due to its high penetration, a high water-repellent effect on the surface, as well as deep within, all mineral building materials.

    摘要翻译： 公开了一种可用于多孔矿物建筑材料的拒水浸渍的组合物。 该组合物基于含有烷氧基的有机硅化合物，并且包含含有2.5至25重量％的式R 1 -Si（OR 2）3的烷氧基硅烷的乳液，其中R 1是具有3至12个碳原子的烷基和R 2 是甲基或乙基，2-20重量％的下式的烷氧基硅氧烷，其中R3是具有1-6个碳原子的烷基，a是0.8-1.2，b是0.2-1.2,0.01到5％ 的乳化剂，0.01至0.1重量％的有效表面积为至少40m 2 / g和49.9至95.48％（重量）的水的填料。 该组合物具有长的保存期限，并且由于其高渗透性，对所有矿物建筑材料的表面以及内部均具有高的防水效果。