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    • 5. 发明授权
    • Process for the production of bis (silyorganyl) polysulphanes
    • 生产双(silyorganyl)多硫化物的方法
    • US5859275A
    • 1999-01-12
    • US986238
    • 1997-12-05
    • Jorg MunzenbergPeter PansterMatthias Prinz
    • Jorg MunzenbergPeter PansterMatthias Prinz
    • C07F7/08C01B17/38C01B17/42C07F7/18
    • C07F7/1892C01B17/38C01B17/42C01P2002/86
    • A process for the production of bis(silylorganyl)-polysulphanes of the formula(R.sup.1 R.sup.2 R.sup.3 SiR.sup.4).sub.2 S.sub.x (I)in whichR.sup.1, R.sup.2, R.sup.3 : can be identical or different from each other, and are branched and unbranched alkyl and/or is an alkoxy groups with 1 to 8 cations, wherein at least one alkoxy group is present, aryl residues, in particular phenyl, toluyl, benzyl;R.sup.4 : means a divalent alkylidene residue having a chain length of 1-8 C atoms, or--(CH.sub.2).sub.n --C.sub.6 H.sub.4 --(CH.sub.2).sub.n --(n=1 to 4); by reacting haloalkylalkoxysilanes orhaloalkoxysilanes of the formulaR.sup.1 R.sup.2 R.sup.3 SiR.sup.4 X (II) with a polysulphide of the formulaM.sub.2 S.sub.x (III).In a first stage of the reaction, dehydrated polysulphide is obtained by reacting a sulphide hydrate containing water of crystallization with sulphur under a vacuum at a temperature of 60.degree. to 300.degree. C.
    • 制备式(R1R2R3SiR4)2Sx(Ⅰ)的双(甲硅烷基有机基) - 聚硫烷的方法,其中R 1,R 2,R 3:彼此可以相同或不同,并且是支链和非支链烷基和/或是 具有1至8个阳离子的烷氧基,其中存在至少一个烷氧基,芳基残基,特别是苯基,甲苯酰基,苄基; R4表示链长为1-8个C原子的二价亚烷基残基,或 - (CH 2)n -C 6 H 4 - (CH 2)n - (n = 1〜4); 将式R 1 R 2 R 3 SiR 4 X(II)的卤代烷基烷氧基硅烷或卤代烷氧基硅烷与式M 2 S x(III)的多硫化物反应。在反应的第一阶段,脱水的多硫化物是通过使含结晶水的硫化物水合物在硫酸 在60〜300℃