Organosols of organopolysiloxanes and a process for preparing the same
    1.
    发明授权
    Organosols of organopolysiloxanes and a process for preparing the same 失效
    有机聚硅氧烷的有机溶胶及其制备方法

    公开(公告)号:US5049636A

    公开(公告)日:1991-09-17

    申请号:US330529

    申请日:1989-03-30

    摘要: Organosols of organopolysiloxanes are prepared by adding water-soluble organic solvents or mixtures thereof or water-soluble mixtures of water-soluble and water-insoluble organic solvents to aqueous, colloidal suspensions of organopolysiloxanes obtained by adding at least one alkoxysilane and/or the partial hydrolyzate thereof, and, if appropriate, mixed with an organo(poly)siloxane free of alkoxy groups and having a maximum of 8 siloxane units per molecule, to water in the presence of emulsifiers at a maximum rate of 5 moles of organosilicon compound per hour and per liter of water, and subsequently removing the water by distillation.

    摘要翻译: 通过将水溶性有机溶剂或其混合物或水溶性和水不溶性有机溶剂的水溶性混合物加入到通过加入至少一种烷氧基硅烷和/或部分水解产物得到的有机聚硅氧烷的水性胶体悬浮液中来制备有机聚硅氧烷的有机溶剂 并且如果合适,在乳化剂存在下,以每小时5摩尔有机硅化合物的最大速率将水与每分子具有最多8个硅氧烷单元的有机(聚)硅氧烷混合,并且 每升水,然后通过蒸馏除去水。

    Process for the preparation of an organopolysiloxane resin
    3.
    发明授权
    Process for the preparation of an organopolysiloxane resin 失效
    制备有机聚硅氧烷树脂的方法

    公开(公告)号:US5401821A

    公开(公告)日:1995-03-28

    申请号:US165788

    申请日:1993-12-13

    摘要: Process for the preparation of an organopolysiloxane resin, which comprisesin a first stage reacting at least one silane of the formulaR.sub.a Si(OR.sup.1).sub.4-a (I)in which a has a value of 0, 1, 2 or 3, R and R.sup.1 are monovalent organic radicals which may be the same or different and/or a partial hydrolyzate thereof, with the proviso that at least one silane of formula (I), where a is 0 or 1 and/or a partial hydrolyzate thereof is employed, and optionally an organo(poly)siloxane with water in the presence of a poly-protic acid and optionally other substances, subsequently partly neutralizing the acid by addition of a base and then distilling off at least some of the compound R.sup.1 OH formed,in a second stage reacting the homogeneous reaction mass resulting from the first stage in the presence of a base and a water-insoluble organic solvent and distilling off the water and the compound R.sup.1 OH,in a third stage, bringing the homogeneous reaction mass resulting from the second stage to a pH of between 6 and 8 by buffering with a poly-protic acid and/or salts thereof, distilling off the water and any compound R.sup.1 OH still present and filtering off the salt which has precipitated, andoptionally, in a fourth stage separating the homogeneous reaction mass resulting from the third stage from the water-insoluble organic solvent.

    摘要翻译: 一种制备有机聚硅氧烷树脂的方法,该方法包括在第一阶段使至少一种式RaSi(OR1)4-a(I)的硅烷反应其中a值为0,1,2或3,R和 R 1是可以相同或不同的一价有机基团和/或其部分水解产物,条件是使用至少一种式(I)的硅烷,其中a为0或1,和/或其部分水解产物, 和任选的有机(聚)硅氧烷与水在多质子酸和任选的其它物质的存在下,随后通过加入碱部分中和酸,然后在第二次蒸馏出至少一些所形成的化合物R 1 OH 在碱的存在和水不溶性有机溶剂的存在下使由第一阶段产生的均相反应物质反应,并在第三阶段中蒸馏除去水和化合物R1OH,使由第二阶段产生的均匀反应物质 pH在6 a之间 通过用聚 - 质子酸和/或其盐缓冲,蒸出水和仍存在的任何化合物R1OH,并过滤沉淀的盐,并且任选地在第四阶段中分离由 第三阶段来自水不溶性有机溶剂。

    Process for preparing organopolysiloxane hydrosols
    4.
    发明授权
    Process for preparing organopolysiloxane hydrosols 失效
    制备有机聚硅氧烷水溶胶的方法

    公开(公告)号:US5281657A

    公开(公告)日:1994-01-25

    申请号:US106973

    申请日:1993-08-16

    摘要: A process for preparing organopolysiloxane hydrosols by mixing an organosilicon compound with water, which comprises mixing a silane of the formulaR.sub.a Si(OR.sup.1).sub.4-a (I)where a is 0, 1, 2 or 3, R can be the same or different and is a hydrogen atom or a monovalent organic radical, R.sup.1 can be the same or different and is a monovalent organic radical, and/or a partial hydrolysis product thereof and, optionally, an organodisiloxane of the formulaR.sup.2.sub.3 Si-O-SiR.sup.2.sub.3 (II)where R.sup.2 can be the same or different and is the same as R, with water in the presence of an emulsifier at a temperature below 15.degree. C.

    摘要翻译: 通过将有机硅化合物与水混合制备有机聚硅氧烷水溶胶的方法,其中包括混合式为RaSi(OR1)4-a(I)的硅烷,其中a为0,1,2或3,R可以相同或不同 并且是氢原子或一价有机基团,R 1可以相同或不同,为一价有机基团,和/或其部分水解产物和任选的式R 23 Si-O-SiR 23(II)的有机二硅氧烷, 其中R 2可以相同或不同并且与R相同,在乳化剂存在下在15摄氏度以下的温度下进行。

    Graft copolymers of organopolysiloxanes as free radical macroinitiators
    5.
    发明授权
    Graft copolymers of organopolysiloxanes as free radical macroinitiators 失效
    有机聚硅氧烷作为自由基大分子引发剂的接枝共聚物

    公开(公告)号:US5523365A

    公开(公告)日:1996-06-04

    申请号:US320369

    申请日:1994-10-11

    摘要: The invention relates to crosslinked organopolysiloxanes which contain groups which form free radicals and are built up from units of the formula[R.sub.a Si(O.sub.(3-a)/2)-R.sup.1 -X-(R.sup.1 -Si(O.sub.(3-a)/2)).sub.b R.sub.a ] (1),in whichX is a radical from the group consisting of --N.dbd.N--, --O--O--, --S--S-- and --C(C.sub.6 H.sub.5).sub.2 --C(C.sub.6 H.sub.5).sub.2 --, andR is monovalent SiC-bonded, optionally substituted C.sub.1 - to C.sub.18 -hydrocarbon radicals,R.sup.1 is divalent SiC-bonded, optionally substituted C.sub.1 - to C.sub.18 -hydrocarbon radicals which can be interrupted by divalent radicals, bonded to carbon atoms on both sides, from the group consisting of --O--, --COO--, --OOC--, --CONR.sup.2 --, --NR.sup.2 CO-- and --CO--,R.sup.2 is a hydrogen atom or a radical R,a has the values 0, 1 or 2 andb has the values 0 or 1,and further organosiloxane units. The organopolysiloxanes are used as free radical macroinitiators for grafting polymerization of ethylenically unsaturated monomers.

    摘要翻译: 本发明涉及交联的有机聚硅氧烷,其含有形成自由基并由式[RaSi(O(3-a)/ 2)-R1-X-(R1-Si(O(3-a) / 2))bRa(1)其中X是由-N = N-,-OO-,-SS-和-C(C 6 H 5)2 -C(C 6 H 5)2 - 组成的基团, R是一价SiC键合的,任选取代的C 1至C 18烃基,R 1是二价SiC键合的,可被取代的C 1 -C 18烃基,其可被二价基团中断,与二价基团键合, 由-O - , - COO - , - OOC - , - CONR 2 - , - NR 2 CO - 和 - CO - 组成的基团,R 2为氢原子或基团R a,其值为0,1或2,b为 值0或1,以及其它有机硅氧烷单元。 有机聚硅氧烷用作自由基大分子引发剂,用于烯属不饱和单体的接枝聚合。

    Siloxane mixtures containing epoxide resins and method for the preparation thereof and use thereof
    6.
    发明授权
    Siloxane mixtures containing epoxide resins and method for the preparation thereof and use thereof 有权
    含环氧树脂的硅氧烷混合物及其制备方法及其应用

    公开(公告)号:US08507618B2

    公开(公告)日:2013-08-13

    申请号:US13131475

    申请日:2009-11-20

    摘要: Composition comprising (A) 50-99.5 wt %, based on the total weight, of A, B and C of a reaction resin or reaction resin mixture that is processed into thermosetting materials, said resin or resin mixture being liquid at temperatures in the range of 15 to 100° C. and having an average molecular weight of 200 to 500,000 and with a sufficient number of suitable reactive groups for a curing process and (B) 0.5-50 wt %, relative to the total weight of A, B and C of one or more dispersed polyorganosiloxanes that are contained in the reaction resin or reaction resin mixture homogeneously in finely distributed form as polyorganosiloxane droplets with a diameter of 0.001 to 4 μm, wherein the organopolysiloxane particle is a polymer of the general formula (R3SiO1/2)W(R2SiO2/2)X—(RSiO3/2)Y—(SiO4/2)Z, where w=0 to 20 Mol %, x=80 to 99.9 Mol %, y=0.5 to 10 Mol %, z=0 to 10 Mol %, (C) 0.1-50 wt %, based on the total weight of A, B and C of one or more silicone organo copolymers as dispersing agents that can be homogeneously dissolved or homogeneously emulsified in the reaction resin or reaction resin mixture.

    摘要翻译: 组合物,其包含(A)基于加工成热固性材料的反应树脂或反应树脂混合物的A,B和C的总重量的50-99.5重量%,所述树脂或树脂混合物在等温范围内为液体 的平均分子量为200至500,000,并且具有足够数量的用于固化过程的合适的反应性基团,和(B)相对于A,B的总重量为0.5-50重量%,和 在反应树脂或反应树脂混合物中所含的一种或多种分散的聚有机硅氧烷以均匀分布形式作为直径为0.001至4μm的聚有机硅氧烷液滴,其中有机聚硅氧烷颗粒是通式为(R3SiO1 / 2 )W(R2SiO2 / 2)X-(RSiO3 / 2)Y-(SiO4 / 2)Z,其中w = 0至20Mol%,x = 80至99.9mol%,y = 0.5至10mol%,z = 0至10摩尔%,(C)0.1-50重量%,基于一种或多种有机硅共聚物作为分散剂的A,B和C的总重量 可以均匀地溶解或均匀地乳化在反应树脂或反应树脂混合物中。

    Siloxane Mixtures Containing Epoxide Resins and Method for the Preparation Thereof and Use Thereof
    9.
    发明申请
    Siloxane Mixtures Containing Epoxide Resins and Method for the Preparation Thereof and Use Thereof 有权
    含环氧树脂的硅氧烷混合物及其制备方法及用途

    公开(公告)号:US20110237761A1

    公开(公告)日:2011-09-29

    申请号:US13131475

    申请日:2009-11-20

    IPC分类号: C08L83/04 C08L63/00

    摘要: Composition comprising (A) 50-99.5 wt %, based on the total weight, of A, B and C of a reaction resin or reaction resin mixture that is processed into thermosetting materials, said resin or resin mixture being liquid at temperatures in the range of 15 to 100° C. and having an average molecular weight of 200 to 500,000 and with a sufficient number of suitable reactive groups for a curing process and (B) 0.5-50 wt %, relative to the total weight of A, B and C of one or more dispersed polyorganosiloxanes that are contained in the reaction resin or reaction resin mixture homogeneously in finely distributed form as polyorganosiloxane droplets with a diameter of 0.001 to 4 μm, wherein the organopolysiloxane particle is a polymer of the general formula (R3SiO1/2)w(R2SiO2/2)x- (RSiO3/2)y- (SiO4/2)z, where w=0 to 20 Mol %, x=80 to 99.9 Mol %, y=0.5 to 10 Mol %, z=0 to 10 Mol %, (C) 0.1-50 wt %, based on the total weight of A, B and C of one or more silicone organo copolymers as dispersing agents that can be homogeneously dissolved or homogeneously emulsified in the reaction resin or reaction resin mixture.

    摘要翻译: 组合物,其包含(A)基于加工成热固性材料的反应树脂或反应树脂混合物的A,B和C的总重量的50-99.5重量%,所述树脂或树脂混合物在等温范围内为液体 的平均分子量为200至500,000,并且具有足够数量的用于固化过程的合适的反应性基团,和(B)相对于A,B的总重量为0.5-50重量%,和 在反应树脂或反应树脂混合物中所含的一种或多种分散的聚有机硅氧烷以均匀分布的形式作为直径为0.001至4μm的聚有机硅氧烷液滴,其中有机聚硅氧烷颗粒是通式为(R3SiO1 / 2 )w(R2SiO2 / 2)x-(RSiO3 / 2)y-(SiO4 / 2)z,其中w = 0至20Mol%,x = 80至99.9mol%,y = 0.5至10mol%,z = 基于A,B和C的一种或多种有机硅共聚物作为分散时间的总重量,0至10摩尔%,(C)0.1-50重量% 可以均匀地溶解或均匀地乳化在反应树脂或反应树脂混合物中的nts。

    POLYSILOXANE GRAFT POLYMER
    10.
    发明申请
    POLYSILOXANE GRAFT POLYMER 审中-公开
    聚硅氧烷聚合物

    公开(公告)号:US20070213474A1

    公开(公告)日:2007-09-13

    申请号:US11568636

    申请日:2005-04-28

    IPC分类号: C08F285/00 C08F283/12

    摘要: Particulate additives which may be added to thermoset or thermoplastic polymers while maintaining transparency comprise core/shell polysiloxane graft polymers having a silicone core, optionally an inner addition polymer core within the silicone core, and an addition polymer shell. The silicone core is derived from at least one monomer having conjugated electron pairs.

    摘要翻译: 可以添加到热固性或热塑性聚合物同时保持透明性的颗粒添加剂包括具有硅氧烷芯,任选的硅氧烷芯内的内加成聚合物芯和加成聚合物壳的核/壳聚硅氧烷接枝聚合物。 硅氧烷芯源自至少一种具有共轭电子对的单体。