Alkenyl group-containing organo(poly)siloxanes
    2.
    发明授权
    Alkenyl group-containing organo(poly)siloxanes 失效
    含烯基的有机(聚)硅氧烷

    公开(公告)号:US5331077A

    公开(公告)日:1994-07-19

    申请号:US996438

    申请日:1992-12-24

    CPC分类号: C08G77/20

    摘要: Organo(poly)siloxanes composed of units of the formula [R.sub.a R.sup.1.sub.3-a SiO.sub.1/2 ], [R.sub.b R.sup.1.sub.2-b SiO.sub.2/2 ] and [R.sup.1 SiO.sub.3/2 ], in which R can be the same or different and represents a monovalent organic radical which is free from aliphatic carbon-carbon multiple bonding, R.sup.1 can be the same or different and represents a monovalent organic radical which has at least one aliphatic carbon-carbon multiple bond, a is 0, 1 or 2 and b is 0 or 1.

    摘要翻译: 由式[RaR13-aSiO1 / 2],[RbR12-bSiO2 / 2]和[R1SiO3 / 2]单元组成的有机(聚)硅氧烷,其中R可以相同或不同,表示一价有机基团, 没有脂族碳 - 碳多重键合,R1可以相同或不同,表示具有至少一个脂族碳 - 碳多键的一价有机基团,a为0,1或2,b为0或1。

    Process for preparing diorganopolysiloxanes having terminal Si-bonded
hydroxyl groups
    6.
    发明授权
    Process for preparing diorganopolysiloxanes having terminal Si-bonded hydroxyl groups 失效
    制备具有末端Si键合的羟基的二有机聚硅氧烷的方法

    公开(公告)号:US4902813A

    公开(公告)日:1990-02-20

    申请号:US280852

    申请日:1988-12-07

    CPC分类号: C08G77/16 C08G77/34

    摘要: A process for preparing diorganopolysiloxanes having terminal Si-bonded hydroxyl groups which comprises reacting an organosilicon compound selected from a cyclic diorganopolysiloxane, a diorganodichlorosilane hydrolysis product and mixtures thereof with from 0.1 to 3 percent by weight of a diorganodichlorosilane, based on the weight of the organosilicon compound, i.e., the cyclic diorganopolysiloxane and/or diorganodichlorosilane hydrolysis product employed, in the presence of from 1 to 50 ppm by weight of phosphonitrile chloride, based on the total weight of the organosilicon compound and diorganodichlorosilane employed, to form diorganopolysiloxanes containing an Si-bonded chlorine atom in each of the terminal units, then treating the reaction mixture with water or an aqueous solution, separating off the aqueous phase from the diorganopolysiloxanes containing an Si-bonded hydroxyl group in each of the terminal units and thereafter removing the low boiling constituents by distillation.

    摘要翻译: 一种制备具有末端Si键合的羟基的二有机聚硅氧烷的方法,其包括将选自环状二有机基聚硅氧烷,二有机二氯硅烷水解产物及其混合物的有机硅化合物与0.1至3重量%的二有机二氯硅烷基于有机硅的重量 化合物,即所用的环状二有机基聚硅氧烷和/或二有机二氯硅烷水解产物,基于所用的有机硅化合物和二有机二氯硅烷的总重量,在1-50ppm重量的磷腈氯化物的存在下,形成含有Si- 在每个末端单元中连接氯原子,然后用水或水溶液处理反应混合物,从每个末端单元中含有与Si键合的羟基的二有机聚硅氧烷分离水相,然后除去低沸点组分 通过蒸馏 。

    Aqueous dispersions of organopolysiloxanes
    9.
    发明授权
    Aqueous dispersions of organopolysiloxanes 失效
    有机聚硅氧烷的水分散体

    公开(公告)号:US5985994A

    公开(公告)日:1999-11-16

    申请号:US952134

    申请日:1997-11-10

    摘要: Aqueous dispersions organopolysiloxanes which are free of organic transition metal compounds and of organic compounds of the metals of the main groups III, IV and V. These dispersions can be produced using the following starting compounds:(A) organopolysiloxane containing condensation-capable groups;(B) an organosilicon compound of the formula{[(RO).sub.3 Si--R.sup.3 --].sub.e R.sup.2.sub.1-e }.sub.a Si(OR).sub.4-a(II),in whichR is identical or different and is a hydrogen atom or alkyl radical having 1 to 6 carbon atoms,R.sup.2 is identical or different and is an SiC-bonded hydrocarbon radical having 1 to 18 carbon atoms, optionally substituted with halogen atoms, ether groups, ester groups, epoxy groups, mercapto groups or (poly)glycol radicals comprised of oxyethylene units, oxypropylene units and mixtures thereofR.sup.3 is identical or different and is a divalent hydrocarbon radical,a is 0 or 1, ande is 0 or 1 where {[(RO).sub.3 Si--R.sup.3 --].sub.e R.sup.2.sub.1-e }.sub.a of formula (II) is optionally a partial hydrolyzate having not more than 8 Si atoms;(C) an organosilicon compound containing basic nitrogen.

    摘要翻译: PCT No.PCT / EP96 / 02227 Sec。 371日期:1997年11月10日 102(e)1997年11月10日日期PCT提交1996年5月23日PCT公布。 出版物WO96 / 日期1996年11月28日水分散体不含有机过渡金属化合物的有机聚硅氧烷和主要III,IV和V族金属的有机化合物。这些分散体可以使用以下起始化合物制备:(A)含有缩合的有机聚硅氧烷 能力集团; (B)式{[(RO)3 Si-R 3 - ] eR 21-e} aSi(OR)4-a(II)的有机硅化合物,其中R相同或不同,为氢原子或具有 1至6个碳原子,R 2相同或不同,是具有1至18个碳原子的SiC键合的烃基,任选被卤素原子,醚基,酯基,环氧基,巯基或(聚)乙二醇基团所取代, 的氧乙烯单元,氧化丙烯单元及其混合物R3相同或不同,为二价烃基,a为0或1,e为0或1,其中{[(RO)3Si-R3-] eR21-e} a为 式(II)任选是具有不超过8个Si原子的部分水解产物; (C)含有碱性氮的有机硅化合物。

    Process for preparing diorganopolysiloxanes having terminal
triorganosiloxy units
    10.
    发明授权
    Process for preparing diorganopolysiloxanes having terminal triorganosiloxy units 失效
    制备具有末端三有机甲硅烷氧基单元的二有机聚硅氧烷的方法

    公开(公告)号:US4975510A

    公开(公告)日:1990-12-04

    申请号:US270131

    申请日:1988-11-14

    CPC分类号: C08G77/32 C08G77/06 C08G77/20

    摘要: A process for preparing diorganopolysiloxanes containing terminal triorganosiloxy groups which comprises reacting in a 1st step, a cyclic diorganopolysiloxane and/or diorganodichlorosilane hydrolyzate with from 0.05 to 3 percent by weight of triorganochlorosilane, based on the weight of the cyclic diorganopolysiloxane and/or diorganodichlorosilane hydrolyzate employed in the presence of from 1 to 50 ppm by weight of phosphonitrile chloride, based on the total weight of the organosilicon compounds employed, to form a reaction mixture containing .alpha.-triorganosiloxy-.omega.-chlorodiorganopolysiloxane, and in a 2nd step, adding to the reaction mixture obtained in the 1st step and containing the .alpha.-triorganosiloxy-.omega.-chlorodiorganopolysiloxane, a diorganopolysiloxane having one Si-bonded hydroxyl group in each of the terminal units in an amount of from 1 to 1.2 gram-moles of Si-bonded hydroxyl group in this diorganopolysiloxane per gram-atom of Si-bonded chlorine in the triorganochlorosilane, and in a 3rd step, adding hexaorganodisilazane to the reaction mixture of the 2nd step in order to deactivate the phosphonitrile chloride and remove hydrogen chloride from the diorganopolysiloxanes containing terminal triorganosiloxy groups and thereafter removing the low-boiling components by distillation.

    摘要翻译: 一种制备含有末端三有机甲硅烷氧基的二有机聚硅氧烷的方法,其包括在第一步中,以0.05至3重量%的三有机氯硅烷为基础的环状二有机聚硅氧烷和/或二有机二氯硅烷水解产物,基于所用的环状二有机基聚硅氧烷和/或二有机二氯硅烷水解产物的重量 在1至50ppm重量的磷腈氯化物的存在下,基于所用有机硅化合物的总重量,形成含有α-三有机甲硅烷氧基-ω-氯二羟基聚硅氧烷的反应混合物,并且在第二步骤中,向反应中加入 混合物,其含有α-三有机甲硅烷氧基-ω-氯代二羟基聚硅氧烷,每个末端单元中具有1至1.2克摩尔Si键合的羟基的量的每个末端单元中具有一个Si键合的羟基的二有机基聚硅氧烷 这种二有机聚硅氧烷每克原子中的三键硅键合氯 并且在第3步骤中,向第2步骤的反应混合物中加入六有机二硅氮烷,以使磷腈氯化物失活,并从含有三有机甲硅烷氧基的二有机聚硅氧烷中除去氯化氢,然后通过蒸馏除去低沸点组分。