Stable silicone emulsions
    1.
    发明授权
    Stable silicone emulsions 失效
    稳定的硅氧烷乳液

    公开(公告)号:US4554187A

    公开(公告)日:1985-11-19

    申请号:US622936

    申请日:1984-06-21

    摘要: A silicone emulsion which can be converted into an elastomeric product under ambient conditions by eliminating and evaporating water and alcohol or carboxylic acid, comprising by weight approximately(A) 100 parts of a hydroxyl-terminated polydiorganosiloxane having a molecular weight of at least about 50,000,(B) 1 to 400 parts of a low molecular weight, reactive acyloxy or alkoxy-functional silicone resin,(C) 0.1 to 20 parts of a catalytic compound,(D) 0 to 200 parts of a thixotropic filler and(E) 0 to 200 parts by weight of a non-thixotropic filler, the silicone emulsion having a solids content of about 20 to 85% by weight. The emulsion is especially suited for coatings and sealants.

    摘要翻译: 硅氧烷乳液,其可在环境条件下通过除去和蒸发水和醇或羧酸而转化成弹性体产物,所述水和醇或羧酸的重量约为(A)100份分子量为至少约50,000的羟基封端的聚二有机硅氧烷, (B)1〜400份低分子量反应性酰氧基或烷氧基官能的有机硅树脂,(C)0.1〜20份催化剂,(D)0〜200份触变性填料和(E)0 至200重量份的非触变性填料,所述硅氧烷乳液具有约20至85重量%的固体含量。 该乳液特别适用于涂料和密封剂。

    Silicone resin emulsion
    3.
    发明授权
    Silicone resin emulsion 失效
    硅树脂乳液

    公开(公告)号:US4582874A

    公开(公告)日:1986-04-15

    申请号:US622945

    申请日:1984-06-21

    CPC分类号: C08J3/03 C08J2383/04

    摘要: An aqueous emulsion, having a long shelf life, of a low molecular weight silicone resin comprising by weight(a) 1-60% of a silicone resin of the formula ##EQU1## wherein R.sup.1 is a monovalent hydrocarbon radical having 1 -14C atoms,R.sup.2 is a monovalent hydrocarbon radical having 1 -18C atoms,x has a value from about 0.75 to 1.5 andy has a value from about 0.2 to 2.0,and having a viscosity of about 2 to 2000 mPa.s,(b) 0.1-10% of an emulsifier, and(c) water.Advantageously two non-ionic emulsifiers are used in combination.

    摘要翻译: 具有长寿命的低分子量有机硅树脂的水乳液,其包含(a)1-60%的下式的有机硅树脂,其中R1是具有1-14个碳原子的一价烃基, R2是具有1-18个碳原子的单价烃基,x具有约0.75至1.5的值,y具有约0.2至2.0的粘度,并且具有约2至2000mPa.s的粘度,(b)0.1- 10%的乳化剂,和(c)水。 有利地,两种非离子乳化剂组合使用。

    Silicone resin emulsion
    4.
    发明授权
    Silicone resin emulsion 失效
    硅树脂乳液

    公开(公告)号:US4940743A

    公开(公告)日:1990-07-10

    申请号:US715148

    申请日:1985-03-22

    摘要: A storage-stable aqueous emulsion of a low molecular weight, alkoxy-functional silicone resin by weight comprising approximately(a) 1-60% of a silicone resin having a viscosity of from 2 to 2000 mPa.s and of the formula ##EQU1## in which R.sup.1 is a monovalent hydrocarbon group having 1 to 14 carbon atoms,R.sup.2 is a monovalent hydrocarbon group having 1 to 18 carbon atoms,x is from 0.75 to 1.5, andy is from 0.2 to 2,(b) 0.1 to 10% of an emulsifying agent, and(c) 30 to 98.5% by weight of water, the emulsion having an alkaline pH, whereby the storage stability due to reduced hydrolysis is improved.

    摘要翻译: 一种低分子量烷氧基官能的有机硅树脂的储存稳定水乳液,其重量包含约(a)1-60%的具有2至2000mPa.s粘度和下式的有机硅树脂: 其中R 1为具有1至14个碳原子的一价烃基,R 2为具有1至18个碳原子的一价烃基,x为0.75至1.5,y为0.2至2,(b)为0.1至10% 的乳化剂,和(c)30〜98.5重量%的水,该乳液具有碱性pH,从而提高了由于水解减少引起的保存稳定性。

    Organopolysiloxane oils
    5.
    发明授权
    Organopolysiloxane oils 失效
    有机聚硅氧烷油

    公开(公告)号:US4831169A

    公开(公告)日:1989-05-16

    申请号:US87054

    申请日:1987-08-18

    CPC分类号: D04H1/587 C08G77/12 C08G77/38

    摘要: An organopolysiloxane of the formula ##STR1## in which x=0 to 500,y=5 to 500,z=5 to 500,R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 independently of one another, represent a saturated and/or unsaturated, optionally also branched alkyl radical having 1 to 4 C atoms, and/or an aryl radical having 6 to 9 C atoms, which may also be optionally alkyl-substituted,R.sub.7 represents an alkyl radical having 6 to 18 C atoms,and in which in each case at least 3% of the radicals bonded to Si are R.sub.7 and H. They are reactive with substrates and thus wash-resistant.

    摘要翻译: 其中x = 0至500,y = 5至500,z = 5至500,R1,R2,R3,R4,R5和R6彼此独立地表示的式“IMAGE”的有机聚硅氧烷表示饱和和/或 具有1至4个C原子的不饱和的,任选的支链烷基,和/或具有6至9个C原子的芳基,其也可任选被烷基取代,R7表示具有6至18个C原子的烷基, 在每种情况下,与Si结合的至少3%的自由基是R7和H.它们与基材反应并因此耐洗涤。

    Preparation of triethyl phosphate
    6.
    发明授权
    Preparation of triethyl phosphate 失效
    磷酸三乙酯的制备

    公开(公告)号:US06673955B2

    公开(公告)日:2004-01-06

    申请号:US10302543

    申请日:2002-11-22

    IPC分类号: C07F902

    CPC分类号: C07F9/11

    摘要: The invention relates to a process for preparing triethyl phosphate by reacting phosphorus oxychloride with a greater than stoichiometric quantity of ethanol under reduced pressure at temperatures of from 0 to 50° C. in a reaction vessel, wherein a) the volatile components resulting from the reaction are predominantly condensed by means of a reflux condenser and the remaining volatile components are passed into a scrubber filled with water, b) after the end of the reaction, the reaction mixture is separated distillatively in an outgassing column into a top product and a bottom product which predominantly comprises triethyl phosphate, c) the top product of the outgassing column is combined with the contents of the scrubber and d) the contents of the scrubber are separated distillatively in an azeotropic distillation to obtain water and ethanol as top product and the ethanol, preferably after dewatering, is preferably returned to the reaction.

    摘要翻译: 本发明涉及通过在反应容器中在0至50℃的温度下在减压下使磷酰氯与大于化学计量的乙醇反应来制备磷酸三乙酯的方法,其中a)由反应产生的挥发性组分为 主要通过回流冷凝器冷凝,剩余的挥发性成分进入填充有水的洗涤器,b)在反应结束后,将反应混合物在脱气塔中蒸馏分离成顶部产物和底部产物, 主要包括磷酸三乙酯,c)除气塔的顶部产物与洗涤器的内容物组合,d)洗涤器的内容物在共沸蒸馏中蒸馏分离,得到水和乙醇作为顶级产物和乙醇,优选在 脱水,优选返回到反应中。

    Facade paints and pargets having high early water resistance
    7.
    发明授权
    Facade paints and pargets having high early water resistance 失效
    门面涂料和目标具有较高的早期防水性

    公开(公告)号:US5356463A

    公开(公告)日:1994-10-18

    申请号:US983911

    申请日:1992-12-01

    摘要: The invention relates to a process for the production of paints and pargets having high early water resistance and comprising inorganic fillers, pigments, silicone resin, and a polymeric binder whereina) the inorganic fillers and pigments are initially dispersed in at least 80% by weight of the total quantity of water required to disperse the inorganic fillers and pigments in the presence of pigment wetting aids,b) silicone resin having a viscosity of 2 to 10,000 mPa.s is subsequently dispersed in the absence of emulsifiers in the dispersion obtained in a) and,c) after step b), the polymeric binder is added in the form of an aqueous dispersion.

    摘要翻译: 本发明涉及一种生产具有高耐水性的油漆和目标物的方法,它包括无机填料,颜料,有机硅树脂和聚合物粘合剂,其中a)无机填料和颜料最初分散在至少80重量% 在颜料润湿助剂的存在下分散无机填料和颜料所需的总水量,b)粘度为2至10,000mPa.s的有机硅树脂随后在不存在乳化剂的情况下分散在得到的分散体中 )和c)在步骤b)之后,以水分散体的形式加入聚合物粘合剂。

    Low-temperature lubricating oil
    8.
    发明授权
    Low-temperature lubricating oil 失效
    低温润滑油

    公开(公告)号:US5217633A

    公开(公告)日:1993-06-08

    申请号:US367059

    申请日:1989-06-14

    摘要: Low temperature lubricating oils are fluorosiloxane compounds of the formulaT.sub.a M.sub.b D.sup.F.sub.c D.sub.dwhereinT represents phenyl trisiloxy groups or mixed phenyl trisiloxy-and alkyl trisiloxy groups;M represents trialkyl monosiloxy groups triphenyl monosiloxy groups or tri-alkyl/phenol-monosiloxy groups;D represents dialkyl disiloxy groups, diphenyl disiloxy groups, or phenyl-alkyl disiloxy groups and;D.sup.F represents disiloxy groups with a methyl or phenyl substituent and a fluorinated substituent of the formula C.sub.n F.sub.2n+1 --CH.sub.2 --CH.sub.2 --;a is a number from 0 to 5;b is a number from 3 to 7;c is a number from 3 to 7;d is a number from 30 to 70; andn is a number from 1 to 12.

    摘要翻译: 低温润滑油是式TaMbDFcDd的氟硅氧烷化合物,其中T代表苯基三甲氧基或混合苯基三甲氧基 - 和烷基三甲氧基; M表示三烷基单甲硅烷氧基,三苯基单甲硅烷氧基或三烷基/苯酚单甲硅烷氧基; D代表二烷基苯氧基,二苯基二硅氧基或苯基 - 烷基二甲氧基; DF表示具有甲基或苯基取代基的二硅氧基和式C n F 2n + 1 -CH 2 -CH 2 - 的氟化取代基; a是从0到5的数字; b是从3到7的数字; c是从3到7的数字; d是从30到70的数字; n为1〜12的数。

    Dimensionally stable impression compositions
    9.
    发明授权
    Dimensionally stable impression compositions 失效
    尺寸稳定的印象组合

    公开(公告)号:US4965295A

    公开(公告)日:1990-10-23

    申请号:US338358

    申请日:1989-04-12

    摘要: In a silicone impression and duplicating composition which undergoes crosslinking at ambient temperature by an addition reaction, comprising(a) an organopolysiloxane possessing two or more vinyl groups in the molecule,(b) optionally an organopolysiloxane without reactive groups,(c) an organopolysiloxane possessing two or more Si-H groups in the molecule,(d) a catalyst,(e) a filler and,(f) optionally an auxiliary and/or colorant, the improvement wherein polysiloxane components (a)-(c) contain not more than about 1.5% by weight of volatile oligomers, whereby the dimensional stability of impressions is improved.

    摘要翻译: 在通过加成反应在环境温度下进行交联的硅氧烷印模和复制组合物中,包括(a)分子中具有两个或更多个乙烯基的有机聚硅氧烷,(b)任选的无反应性基团的有机聚硅氧烷,(c)具有 分子中的两个或更多个Si-H基团,(d)催化剂,(e)填料和(f)任选的辅助和/或着色剂,其中聚硅氧烷组分(a) - (c)不含 超过约1.5重量%的挥发性低聚物,由此改善了印模的尺寸稳定性。

    Thermosetting organopolysiloxane mixtures containing platinum catalyst
dispersed in solid silicone resin
    10.
    发明授权
    Thermosetting organopolysiloxane mixtures containing platinum catalyst dispersed in solid silicone resin 失效
    含有分散在固体硅树脂中的铂催化剂的热固性有机聚硅氧烷混合物

    公开(公告)号:US4481341A

    公开(公告)日:1984-11-06

    申请号:US404289

    申请日:1982-08-02

    CPC分类号: C08K5/56 Y10S525/936

    摘要: A thermosetting organopolysiloxane and organohydrogenpolysiloxane mixture containsa catalytic amount of platinum or a platinum compound finely dispersed in a solid substance at a concentration of 0.01-5% by weight calculated as platinum metal and based on the total weight of catalyst and solid substance, wherein the solid platinum-containing catalyst material has a melting point or softening point between 70.degree. and 250.degree. C., is practically immiscible with the organopolysiloxane and organohydrogenpolysiloxane mixture below the melting point or the softening point, and is finely dispersible therein.

    摘要翻译: 热固性有机聚硅氧烷和有机氢聚硅氧烷混合物含有催化量的铂或铂化合物,该铂或铂化合物以0.01-5重量%的浓度精细分散在固体物质中,以铂金属计算,基于催化剂和固体物质的总重量,其中 固体含铂催化剂材料的熔点或软化点在70至250℃之间,实际上与低于熔点或软化点的有机聚硅氧烷和有机氢聚硅氧烷混合物是不混溶的,并在其中细分散。