Process for preparing organic phosphorus compounds
    1.
    发明授权
    Process for preparing organic phosphorus compounds 失效
    制备有机磷化合物的方法

    公开(公告)号:US4196155A

    公开(公告)日:1980-04-01

    申请号:US919489

    申请日:1978-06-27

    摘要: A process for preparing an organic phosphorous compound of the general formula ##STR1## wherein R.sub.A represents ##STR2## where X.sup.1 is a halogen atom, Y is --CH.sub.2 -- or --CH.sub.2 --C.sub.2 --, andR.sub.1 is H or CH.sub.3 when Y is --CH.sub.2 --CH.sub.2 --, or H, CH.sub.3 or C.sub.2 H.sub.5 when Y is --CH.sub.2 --,R.sub.B represents an alkyl group having from 1 to 4 carbon atoms or a halogenated alkyl group having from 2 to 4 carbon atoms,R.sub.C represents ##STR3## where X.sup.2 is a halogen atom, Z is --CH.sub.2 --or --CH.sub.2 --CH.sub.2 --, andR.sub.2 is H or CH.sub.3 when Z is --CH.sub.2 --CH.sub.2 --, or H, CH.sub.3 or C.sub.2 H.sub.5 when Z is --CH.sub.2 --, andR.sub.D represents an alkyl group having from 1 to 4 carbon atoms or a halogenated alkyl group having from 2 to 4 carbon atoms,the process including the steps of reacting a cyclic halogenophosphite with a cyclic phosphorous acid and acetone in a molar ratio of 1:1:1, reacting the resulting product with a molecular halogen X.sub.2.sup.2 wherein X.sup.2 is as defined above to obtain a first product and, esterifying said first product with an alkyl alcohol or halogenated alkyl alcohol or an alkylene oxide or halogenated alkylene oxide to obtain said organic phosphorous compound.

    摘要翻译: 一种制备通式为“IMAGE”的有机磷化合物的方法,其中RA表示其中X 1为卤素原子,Y为-CH 2 - 或-CH 2 -C 2 - ,且Y 1为H或CH 3时, CH 2 -CH 2 - 或H,CH 3或C 2 H 5,当Y为-CH 2 - 时,R B表示具有1至4个碳原子的烷基或具有2至4个碳原子的卤代烷基, 当Z为-CH 2 -CH 2 - 时,Z为-CH 2 - 或-CH 2 -CH 2 - ,R 2为H或CH 3,或Z为-CH 2 - 时为H,CH 3或C 2 H 5,并且R D表示烷基 具有1至4个碳原子的基团或具有2至4个碳原子的卤代烷基,该方法包括以下步骤:使环状亚磷酸酯与摩尔比为1:1:1的环状亚磷酸和丙酮反应,使 所得到的具有分子卤素X 22的产物,其中X 2如上所定义,以获得第一产物,并用烷基醇或卤代烷基醇或烷基酯 氧化物或卤代烯化氧,得到所述有机磷化合物。

    Explosion-proof enclosure
    2.
    发明申请
    Explosion-proof enclosure 审中-公开
    防爆外壳

    公开(公告)号:US20070095554A1

    公开(公告)日:2007-05-03

    申请号:US11540618

    申请日:2006-09-29

    申请人: Eiichi Noda

    发明人: Eiichi Noda

    IPC分类号: H01H13/04

    CPC分类号: H01H9/042 H01H13/70

    摘要: It is an explosion-proof enclosure incorporating an apparatus. This explosion-proof enclosure includes an inner case configured to incorporate a general purpose apparatus and to have a withstand pressure that satisfies an explosion-proof standard, and an outer case provided to cover the inner case and to have a cover and a case body, which are configured so that a depth of the joint surface between the cover and the case body and a joint gap therebetween satisfy the explosion-proof standard.

    摘要翻译: 它是一个装有装置的防爆外壳。 该防爆外壳包括内壳,其构造成包括通用装置并且具有满足防爆标准的耐压,以及设置成覆盖内壳并具有盖和壳体的外壳, 其构造成使得盖和壳体之间的接合表面的深度以及它们之间的接合间隙满足防爆标准。