Process for the preparation of organoalkoxysilanes
    7.
    发明授权
    Process for the preparation of organoalkoxysilanes 失效
    制备有机烷氧基硅烷的方法

    公开(公告)号:US4228092A

    公开(公告)日:1980-10-14

    申请号:US000605

    申请日:1979-01-02

    IPC分类号: C07F7/04 C07F7/02 C07F7/18

    CPC分类号: C07F7/188 C07F7/025

    摘要: An improvement in a process for the esterification of a organochlorosilane by feeding alcohol into a chlorosilane maintained within a reaction zone without said alcohol contacting said chlorosilane in the gas phase wherein the esterification is performed stepwise with extraction of hydrogen chloride which has developed, the improvement which comprises employing in at least a final esterification step an organochlorosilane of the formulaH.sub.a R.sub.b SiCl.sub.4-a-bwhereinR represents an optionally halogen-substituted alkyl radical which can also contain an oxygen or sulfur atom in the chain, or a halogen or a NO.sub.2 group or a protected phenolic group containing aryl radical,a equals 0, 1, or 2,b equals 1 or 2, anda+b amounts to a maximum of 3,said final esterification step being performed with the addition of heat.

    摘要翻译: 通过将醇保持在反应区内的氯硅烷中而不使醇与气相中的氯代硅烷接触来改善有机氯代硅烷的酯化反应,其中通过萃取开发的氯化氢逐步进行酯化,其改进是 包括在至少最终酯化步骤中使用式HaRbSiCl4-ab的有机氯硅烷,其中R表示任选的卤素取代的烷基,其还可以在链中含有氧或硫原子,或卤素或NO 2基团或被保护的 含酚基的芳基,等于0,1或2,b等于1或2,a + b最多达3,所述最终酯化步骤是通过加热进行的。

    Organophosphonic acids or esters containing an epoxy group
    10.
    发明授权
    Organophosphonic acids or esters containing an epoxy group 失效
    有机膦酸或含有环氧基的酯

    公开(公告)号:US4029679A

    公开(公告)日:1977-06-14

    申请号:US502125

    申请日:1974-08-30

    摘要: A method for protecting the surface of a metal surface which comprises applying to said surface an organophosphorus compound of the formula ##STR1## wherein A IS 0 OR 1R is a branched or unbranched chained bivalent alkylene radical of 1 to 12 carbon atoms which is substituted or unsubstituted and can contain in the chain structure --O--, --S--, ##STR2## R' is a branched or unbranched alkyl radical of 1 to 12 carbon atoms which can be halogen substituted and can contain in the chain structure ##STR3## X is an epoxy ring, halogen, alkylene, carboxylic acid ester residue, amino, isocyanato, isothiocyanato, urea, thiourea, urethano, alkyl substituted thio radical or the radical or a heterocyclic ring containing O, S or N in the ring structure; a new organophosphorus compounds having the formula set forth above and more particularly defined by specific chemical structures.

    摘要翻译: 一种用于保护金属表面的方法,其包括向所述表面施加下式的有机磷化合物,其中A 0 OR 1 R是被取代的1至12个碳原子的支链或非支链链式二价亚烷基 或未取代的并且可以在链结构中包含-O - , - S-,R'是具有1至12个碳原子的支链或非支链烷基,其可以被卤素取代并且可以含有链结构 X是环状环,卤素,亚烷基,羧酸酯残基,氨基,异氰酸酯基,异硫氰酸根合,脲基,硫脲,氨基甲酰基,烷基取代的硫基或环或在环结构中含有O,S或N的杂环; 具有上述式的新的有机磷化合物,更具体地由具体的化学结构定义。