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    • 5. 发明授权
    • Method for preparing a short-chain polysulfide silane mixture
    • 制备短链多硫硅烷混合物的方法
    • US6114560A
    • 2000-09-05
    • US326587
    • 1999-06-07
    • Shoji IchinoheHideyoshi Yanagisawa
    • Shoji IchinoheHideyoshi Yanagisawa
    • C07F7/18C07F7/08
    • C07F7/1836C07F7/1892
    • A mixture of short-chain polysulfide silanes having the formula: (RO).sub.3 SiC.sub.3 H.sub.6 S.sub.n C.sub.3 H.sub.6 Si(OR).sub.3 wherein R is methyl or ethyl and n is a positive number having a distribution in the average range of 2.1.ltoreq.n.ltoreq.2.9, is prepared by reacting one mole of an anhydrous sulfide of the formula: M.sub.2 S or NS wherein M is an alkali metal or ammonium and N is an alkaline earth metal or zinc, with (n-1) mole of sulfur in an inert gas atmosphere and in a polar solvent, thereby forming polysulfide compounds, and reacting the polysulfide compounds with a halogenopropyltrialkoxysilane of the formula: (RO).sub.3 SiC.sub.3 H.sub.6 X wherein R is as defined above and X is a halogen atom. The method is simple to produce polysulfide silanes in high yields.
    • 具有式(RO)3 SiC 3 H 6 SnC 3 H 6 Si(OR)3的短链多硫化硅烷的混合物,其中R是甲基或乙基,n是平均值分布在2.1≤n≤2.9的正数, 通过使惰性气体气氛中的1摩尔下式的无水硫化物:M2S或NS,其中M是碱金属或铵,N是碱土金属或锌与(n-1)摩尔的硫) 在极性溶剂中,从而形成多硫化物,并使多硫化物与下式的卤代丙基三烷氧基硅烷反应:(RO)3 SiC 3 H 6 X其中R如上所定义,X是卤素原子。 该方法很容易以高产率制备多硫化硅烷。
    • 8. 发明申请
    • Highly volatile polyether-modified silicone surfactant
    • 高挥发性聚醚改性硅氧烷表面活性剂
    • US20070049509A1
    • 2007-03-01
    • US11511351
    • 2006-08-29
    • Akira YamamotoShoji Ichinohe
    • Akira YamamotoShoji Ichinohe
    • C11D1/66
    • C11D1/82C08G77/46C08L83/12
    • A highly volatile electrical/electronic parts surfactant containing a polyether-modified silicone having one polyether chain in the molecule, wherein the surface tension at 25° C. of a 0.01 mass % aqueous solution thereof is 25 mN/m or less, the aforesaid silicone is expressed by the following average structural formula (1), and when heated from room temperature to 200° C. at a rate of 5° C./minute to 200° C. and maintained at a temperature of 200° C. for 100 minutes, the polyether-modified silicone completely volatilizes without leaving any remainder, and a method of manufacturing this highly volatile polyether-modified silicone are disclosed. AMe2SiO(MeASiO)nSiMe2A (1) In formula (1), any one of A is a substituent group expressed by the following general formula (2), the remaining A are methyl groups and n is an integer from 0-2. —CaH2aO(C2H4O)bR (2) In formula (2), a is 3-4, b is an integer from 1-7 and R is a methyl group or an ethyl group.
    • 含有分子中具有一个聚醚链的聚醚改性硅酮的高挥发性电气/电子部件表面活性剂,其中0.01质量%水溶液在25℃下的表面张力为25mN / m以下,上述硅氧烷 由以下平均结构式(1)表示,当以5℃/分钟至200℃的温度从室温加热至200℃并保持在200℃的温度下保持100 分钟,聚醚改性硅氧烷完全挥发而不留下任何剩余部分,并且公开了制造这种高挥发性聚醚改性硅氧烷的方法。 <?in-line-formula description =“In-line Formulas”end =“lead”?>第二个二氧化硅(MeASiO)N 2 SiMe 2 在式(1)中,A中的任何一个是由以下通式(2)表示的取代基,其中,A是(1)<αin-line-formula description =“In-line Formulas”end =“tail” ),其余的A为甲基,n为0-2的整数。 <?in-line-formula description =“In-line Formulas”end =“lead”? - - - - - - - - - - - - - - - - - - - - (2) R(2)<βin-line-formula description =“In-line Formulas”end =“tail”?>在式( 2)中,a为3-4,b为1-7的整数,R为甲基或乙基。