Process for producing oxirane compound
    21.
    发明授权
    Process for producing oxirane compound 失效
    环氧乙烷化合物的制备方法

    公开(公告)号:US06506914B1

    公开(公告)日:2003-01-14

    申请号:US10069238

    申请日:2002-05-31

    IPC分类号: C07D30119

    摘要: A process for producing an oxirane compound by reacting an olefin with hydroperoxides in the presence of a catalyst wherein said catalyst is obtained by gelling a silicon compound of the following formula (1) (silicon compound (1)), a silicon compound of the following formula (2) (silicon compound (2)) and a titanium compound in water, alcohol solvent or mixed solvent of water and alcohol, removing a solvent in the resulted gel by extraction with supercritical fluid, then, performing drying and silylation treatment: Si(OR1)4  (1) (R2)mSi(OR3)4−m  (2) (R1, R2 and R3 independently represent a hydrocarbon group having 1 to 20 carbon atoms. m represents an integer of 1 or 2.)

    摘要翻译: 一种通过烯烃与氢过氧化物在催化剂存在下反应制备环氧乙烷化合物的方法,其中所述催化剂是通过将下式(1)的硅化合物(硅化合物(1))胶凝得到的,下述的硅化合物 (2)(硅化合物(2))和钛化合物在水,醇溶剂或水和醇的混合溶剂中,通过用超临界流体萃取除去所得凝胶中的溶剂,然后进行干燥和甲硅烷基化处理:( R1,R2和R3独立地表示碳原子数1〜20的烃基,m表示1或2的整数)

    Process for producing propylene oxide
    23.
    发明授权
    Process for producing propylene oxide 失效
    生产环氧丙烷的方法

    公开(公告)号:US5723637A

    公开(公告)日:1998-03-03

    申请号:US754125

    申请日:1996-11-22

    IPC分类号: C07D301/19

    CPC分类号: C07D301/19

    摘要: A process for producing propylene oxide which comprises reacting a raw material solution which is a solution of ethylbenzene hydroperoxide in ethylbenzene obtained by liquid phase autoxidation of ethylbenzene with propylene in the presence of a Ti-containing solid catalyst to give propylene oxide, said raw material solution being a solution prepared by washing a solution of ethylbenzene hydroperoxide in ethylbenzene obtained by liquid phase autoxidation of ethylbenzene with an aqueous alkali solution to bring a lactic acid concentration to 5 ppm by weight or less.

    摘要翻译: 一种环氧丙烷的制造方法,其特征在于,在含钛固体催化剂的存在下,使作为乙苯的乙苯溶液在乙苯的液相自动氧化反应得到的原料溶液与丙烯反应,生成环氧丙烷,所述原料溶液 是通过用碱水溶液液相自动氧化乙苯获得的乙苯中的乙苯过氧化氢溶液洗涤制备的溶液,使乳酸浓度为5重量ppm以下。

    Process for producing propylene oxide
    24.
    发明授权
    Process for producing propylene oxide 有权
    生产环氧丙烷的方法

    公开(公告)号:US08481764B2

    公开(公告)日:2013-07-09

    申请号:US11997965

    申请日:2006-08-22

    CPC分类号: C07D301/14 C07D303/04

    摘要: A process for producing propylene oxide, which comprises supplying an organic peroxide and propylene to an epoxidation reactor in which a solid catalyst is packed thereby continuously producing propylene oxide through epoxidation reaction, wherein said process comprises cooling at least a part of the propylene before supplying to separate and remove water contained in the propylene, and supplying the propylene in which water has been separated and removed to the epoxidation reactor.

    摘要翻译: 一种生产环氧丙烷的方法,其包括将有机过氧化物和丙烯供给到其中填充固体催化剂的环氧化反应器中,由此通过环氧化反应连续生产环氧丙烷,其中所述方法包括在供应至少一种丙烯之前冷却至少一部分丙烯 分离并除去丙烯中所含的水,并将已经将水分离和除去的丙烯供给到环氧化反应器中。

    Method of purifying propylene oxide
    25.
    发明授权
    Method of purifying propylene oxide 失效
    环氧丙烷的纯化方法

    公开(公告)号:US08093412B2

    公开(公告)日:2012-01-10

    申请号:US11570615

    申请日:2005-06-21

    IPC分类号: C07D301/32

    CPC分类号: C07D303/04 C07D301/32

    摘要: A method of purifying propylene oxide, which comprises subjecting the propylene oxide containing methyl formate as an impurity to extractive distillation using a hydrocarbon of 7 to 10 carbon atoms as an extractant with an extractive distillation column, adding water to the distillate from the overhead of the extractive distillation column to conduct oil-water separation, recycling the oil layer separated to the extractive distillation column, removing the aqueous layer outside the system thereby to obtain propylene oxide in which a methyl formate concentration is reduced as a bottom liquid of the extractive distillation column.

    摘要翻译: 一种净化环氧丙烷的方法,其包括使用含有7〜10个碳原子的烃作为萃取蒸馏塔的含有甲酸甲酯的环氧丙烷作为杂质进行萃取蒸馏,从馏出物的塔顶馏出物向馏出液中加入水 萃取蒸馏塔进行油水分离,将分离的油层再循环到萃取蒸馏塔,除去体系外的水层,得到甲酸甲酯浓度降低的环氧丙烷,作为萃取蒸馏塔的底部液体 。

    METHOD FOR PRODUCING PROPYLENE OXIDE
    26.
    发明申请
    METHOD FOR PRODUCING PROPYLENE OXIDE 审中-公开
    生产丙烯氧化物的方法

    公开(公告)号:US20090209771A1

    公开(公告)日:2009-08-20

    申请号:US11813293

    申请日:2006-01-12

    IPC分类号: C07D301/19

    CPC分类号: C07D301/19

    摘要: A method for continuously producing propylene oxide, which comprises supplying an organic peroxide and propylene to an epoxidation reactor in which a solid catalyst for epoxidation is packed, thereby subjecting them to an epoxidation reaction, the method having a propylene pre-treatment step described below:propylene pre-treatment step; a step of treating at least a part of propylene supplied to the epoxidation reactor, which comprises removing an oxygen-containing organic compound contained in propylene.

    摘要翻译: 一种连续生产环氧丙烷的方法,其包括向环氧化反应器中加入有机过氧化物和丙烯,其中环氧化的固体催化剂被填充,由此使其进行环氧化反应,该方法具有如下所述的丙烯预处理步骤: 丙烯预处理步骤; 处理提供给环氧化反应器的丙烯的至少一部分的步骤,其包括除去丙烯中所含的含氧有机化合物。

    Method for producing propylene oxide
    27.
    发明授权
    Method for producing propylene oxide 有权
    生产环氧丙烷的方法

    公开(公告)号:US07381829B2

    公开(公告)日:2008-06-03

    申请号:US10572876

    申请日:2004-09-15

    IPC分类号: C07C301/14 C07C301/19

    CPC分类号: C07D301/19 Y02P20/584

    摘要: A process for producing propylene oxide, which comprises the following steps: oxidation step: a step of obtaining cumene hydroperoxide by oxidizing cumene; epoxidation step: a step of obtaining propylene oxide and cumyl alcohol by reacting cumene hydroperoxide obtained in the oxidation step with propylene; and converting step: a step of converting cumyl alcohol obtained in the epoxidation step into cumene in the presence of a solid catalyst and recycling said cumene to the oxidation step, wherein a concentration of methylbenzyl alcohol in a liquid containing cumene recycled to the oxidation step, is 1% by weight or less.

    摘要翻译: 一种生产环氧丙烷的方法,包括以下步骤:氧化步骤:通过氧化枯烯得到氢过氧化枯烯的步骤; 环氧化步骤:通过使在氧化步骤中获得的氢过氧化枯烯与丙烯反应获得环氧丙烷和异丙苯的步骤; 和转化步骤:在固体催化剂存在下将在环氧化步骤中得到的异丙苯转化为枯烯并将所述异丙基苯再循环到氧化步骤的步骤,其中将含有再循环至氧化步骤的异丙基苯的液体中的甲基苄醇的浓度, 为1重量%以下。

    Method for producing propyleneoxide
    29.
    发明申请
    Method for producing propyleneoxide 有权
    生产环氧丙烷的方法

    公开(公告)号:US20060293531A1

    公开(公告)日:2006-12-28

    申请号:US10572876

    申请日:2004-09-15

    IPC分类号: C07D301/19

    CPC分类号: C07D301/19 Y02P20/584

    摘要: A process for producing propylene oxide, which comprises the following steps: oxidation step: a step of obtaining cumene hydroperoxide by oxidizing cumene; epoxidation step: a step of obtaining propylene oxide and cumyl alcohol by reacting cumene hydroperoxide obtained in the oxidation step with propylene; and converting step: a step of converting cumyl alcohol obtained in the epoxidation step into cumene in the presence of a solid catalyst and recycling said cumene to the oxidation step, wherein a concentration of methylbenzyl alcohol in a liquid containing cumene recycled to the oxidation step, is 1% by weight or less.

    摘要翻译: 一种生产环氧丙烷的方法,包括以下步骤:氧化步骤:通过氧化枯烯得到氢过氧化枯烯的步骤; 环氧化步骤:通过使在氧化步骤中获得的氢过氧化枯烯与丙烯反应获得环氧丙烷和异丙苯的步骤; 和转化步骤:在固体催化剂存在下将在环氧化步骤中得到的异丙苯转化为枯烯并将所述异丙基苯再循环到氧化步骤的步骤,其中将含有再循环至氧化步骤的异丙基苯的液体中的甲基苄醇的浓度, 为1重量%以下。

    Process for producing propylene oxide
    30.
    发明申请
    Process for producing propylene oxide 失效
    生产环氧丙烷的方法

    公开(公告)号:US20060281935A1

    公开(公告)日:2006-12-14

    申请号:US10572878

    申请日:2004-09-16

    IPC分类号: C07D301/19

    摘要: A process for producing propylene oxide, which comprises the following steps: oxidation step: a step of obtaining cumene hydroperoxide by oxidizing cumene; epoxidation step: a step of obtaining propylene oxide and cumyl alcohol by reacting cumene hydroperoxide obtained in the oxidation step with propylene in the presence of an epoxidation catalyst; and conversion step: a step of obtaining cumene by subjecting cumyl alcohol obtained in the epoxidation step to hydrogenation-containing reaction and recycling the cumene to the oxidation step, wherein a concentration of 1,2-epoxy-2-phenylpropane contained in the reaction mixture after the oxidation step, is 1% by weight or less.

    摘要翻译: 一种生产环氧丙烷的方法,包括以下步骤:氧化步骤:通过氧化枯烯得到氢过氧化枯烯的步骤; 环氧化步骤:通过在氧化步骤中获得的氢过氧化枯烯与丙烯在环氧化催化剂存在下反应获得环氧丙烷和异丙苯; 和转化步骤:通过将在环氧化步骤中得到的枯烯醇进行含氢反应并将异丙苯再循环到氧化步骤而获得枯烯的步骤,其中反应混合物中所含的1,2-环氧-2-苯基丙烷的浓度 氧化步骤后,为1重量%以下。