Production process for hydroxyalkyl(meth)acrylate
    2.
    发明授权
    Production process for hydroxyalkyl(meth)acrylate 失效
    (甲基)丙烯酸羟烷基酯的制备方法

    公开(公告)号:US06458988B1

    公开(公告)日:2002-10-01

    申请号:US09664953

    申请日:2000-09-16

    IPC分类号: C07C6726

    CPC分类号: C07C67/26 C07C69/54

    摘要: A production process for a hydroxyalkyl(meth)acrylate, which comprises the steps of carrying out a reaction between (meth)acrylic acid and an alkylene oxide and stripping the unreacted residue of the alkylene oxide from the resultant reaction liquid, wherein: (1) the stripping step is performed by use of an inert gas, and the concentration of oxygen in the inert gas is adjusted in the range of 0.1 to 5 mol %; (2) the concentration of the unreacted residue of the (meth)acrylic acid in the resultant reaction liquid is suppressed to not higher than 10 weight %; (3) the difference in operational pressure between the stripping step and the absorption step of causing a solvent to absorb the stripped alkylene oxide is suppressed to not more than 1,000 hPa; (4) the reaction liquid resultant from the reaction is directly supplied to the stripping step without being heated; (5) a part of the liquid left behind in the stripping step is heated and then supplied to the stripping step again; (6) a hydroxyalkyl (meth)acrylate solution is used as the absorbing solvent; (7) a part of the liquid resultant from the absorption step is cooled and then supplied to the absorption step again; or (8) a part or the whole of the absorbing liquid which is on the way of the absorption step is extracted and then cooled and then supplied to the absorption step again.

    摘要翻译: (甲基)丙烯酸羟烷基酯的制备方法,其包括以下步骤:从所得反应液体中进行(甲基)丙烯酸和烯化氧之间的反应并从所述环氧烷脱除未反应的残留物,其中:(1) 通过使用惰性气体进行汽提工序,将惰性气体中的氧浓度调整为0.1〜5摩尔%的范围; (2)将所得反应液中的(甲基)丙烯酸的未反应残渣的浓度抑制在10重量%以下。 (3)使汽提步骤和使溶剂吸附汽提的环氧烷的吸收步骤之间的操作压力差被抑制在不超过1,000hPa; (4)将反应产生的反应液直接供给到汽提步骤而不加热; (5)在汽提步骤中留下的一部分液体被加热,然后再次供给到汽提步骤; (6)使用(甲基)丙烯酸羟烷基酯溶液作为吸收溶剂; (7)从吸收步骤得到的液体的一部分被冷却,然后再次供给到吸收步骤; 或者(8)吸收步骤中的吸收液体的一部分或全部被提取,然后冷却,然后再次供给到吸收步骤。

    Process for producing hydroxyalkyl (meth)acrylate

    公开(公告)号:US06534625B2

    公开(公告)日:2003-03-18

    申请号:US09965699

    申请日:2001-09-26

    IPC分类号: C08F600

    摘要: The present invention provides a process for producing a hydroxyalkyl (meth)acrylate which comprises the step of carrying out a reaction between (meth)acrylic acid and an alkylene oxide, wherein the process provides enablement for economically and efficiently recovering and recycling the unreacted residue of the alkylene oxide. The process for producing a hydroxyalkyl (meth)acrylate comprises the steps of, carrying out a reaction between (meth)acrylic acid and an alkylene oxide; stripping the unreacted residue of the alkylene oxide from the resultant reaction liquid; and causing a solvent to absorb the stripped alkylene oxide; wherein: water is used as the absorbing solvent; and an absorbing liquid resultant from the absorption of the unreacted residue of the alkylene oxide is used for production of an alkylene glycol.

    Production process for hydroxyalkyl ester
    6.
    发明授权
    Production process for hydroxyalkyl ester 有权
    羟烷基酯的生产工艺

    公开(公告)号:US06465682B2

    公开(公告)日:2002-10-15

    申请号:US09954559

    申请日:2001-09-17

    IPC分类号: C07C6724

    摘要: In a production process for a hydroxyalkyl ester, comprising the step of carrying out a reaction between a carboxylic acid and an alkylene in the presence of a catalyst, the present invention is to provide: a production process which can stop the reaction economically and sufficiently safely. In a production process which comprises the step of carrying out the reaction between a carboxylic acid and an alkylene in a reactor 1 in the presence of a catalyst so as to produce a hydroxyalkyl ester, the reaction is stopped by introducing a reaction terminating liquid 21 into the reactor 1, wherein the reaction terminating liquid comprises water in a ratio of not less than 50 weight %, and has a low temperature of −5 to 45° C.

    摘要翻译: 在羟基烷基酯的制备方法中,包括在催化剂存在下进行羧酸和亚烷基之间的反应的步骤,本发明提供:能够经济地,充分地安全地停止反应的生产方法 。 在包括在催化剂存在下在反应器1中进行羧酸和亚烷基之间的反应以产生羟烷基酯的步骤的生产方法中,通过将反应终止液体21引入到 反应器1,其中反应终止液体包含比例不小于50重量%的水,并且具有-5至45℃的低温。

    Distillation process for easily polymerizable substance-containing solution
    7.
    发明授权
    Distillation process for easily polymerizable substance-containing solution 有权
    易溶于水的含有溶液的蒸馏工艺

    公开(公告)号:US06596129B1

    公开(公告)日:2003-07-22

    申请号:US09702588

    申请日:2000-10-31

    IPC分类号: B01D500

    摘要: The present invention provides: a process can be preventive of a polymerization in a distillation apparatus when distilling a solution containing easily polymerizable substances such as (meth)acrylic acid and (meth)acrylic acid ester. In the distillation process for an easily polymerizable substance-containing solution which includes the step of distilling an easily polymerizable substance-containing solution by a distillation column equipped with a condenser for condensation at a vapor outlet of the distillation column, at least one condenser for polymerization inhibition is further placed in series on a vapor outlet side of the condenser for condensation, and the easily polymerizable substance which is contained in vapor from an upstream condenser is condensed by a downstream condenser.

    摘要翻译: 本发明提供:当蒸馏含有易于聚合的物质如(甲基)丙烯酸和(甲基)丙烯酸酯的溶液时,可以防止蒸馏装置中聚合的方法。 在一种易于聚合的含物溶液的蒸馏方法中,该方法包括通过在蒸馏塔的蒸汽出口处装有冷凝器的蒸馏塔将容易聚合的含有物质的溶液蒸馏的步骤,至少一个聚合用冷凝器 抑制作用进一步串联在冷凝器的蒸汽出口侧,用于冷凝,并且来自上游冷凝器的蒸气中容纳的容易聚合物质通过下游冷凝器冷凝。

    Plastic crystal
    9.
    发明授权
    Plastic crystal 有权
    塑料水晶

    公开(公告)号:US08258344B2

    公开(公告)日:2012-09-04

    申请号:US12448624

    申请日:2007-12-26

    摘要: The present invention relates to a conductor having high conductivity and electrochemical stability, which is in a solid state over a practically wide temperature range. Specifically disclosed is a plastic crystal containing a compound represented by Formula (I) or (IA) below: and at least one compound [BF3(CF3)] salt represented by Formula (II): Mn+[BF3(CF3)−]n  (II) wherein M is an alkaline metal, alkaline earth metal, aluminum or H; and when M is an alkaline metal or H, n is 1; when M is an alkaline earth metal, n is 2; and when M is aluminum, n is 3.

    摘要翻译: 本发明涉及具有高导电性和电化学稳定性的导体,其在实际宽的温度范围内处于固态。 具体公开的是含有下述式(I)或(IA)表示的化合物的塑料晶体:和由式(II)表示的至少一种化合物[BF 3(CF 3)]盐:Mn + [BF 3(CF 3) - ] n( II)其中M是碱金属,碱土金属,铝或H; 当M为碱金属或H时,n为1; 当M为碱土金属时,n为2; 当M为铝时,n为3。

    Ionic liquid
    10.
    发明授权
    Ionic liquid 失效
    离子液体

    公开(公告)号:US08247117B2

    公开(公告)日:2012-08-21

    申请号:US11794179

    申请日:2005-11-22

    IPC分类号: H01M6/18

    摘要: The present invention relates to ionic liquids having low melting points, low viscosities and high electrical conductivities; and more specifically, to ionic liquids including at least one organic onium ion and at least one anion represented by the formula: [Z—BF3]−, wherein Z is an alkyl group, an alkenyl group, or a fluoroalkenyl group. The ionic liquids according to the invention are capable of easily dissolving electrolytes such as lithium salts, and are also nonflammable and have low viscosities; therefore, the ionic liquids are suitable for use as electrolyte solvents for lithium batteries such as lithium secondary batteries, electric double-layer capacitors, and the like. The ionic liquids according to the invention are suitable for use in electrochemical devices such as lithium secondary batteries, fuel cells, solar batteries, electrical double-layer capacitors and the like; as solvents for chemical reactions; and as lubricants.

    摘要翻译: 本发明涉及具有低熔点,低粘度和高电导率的离子液体; 更具体地,涉及包含至少一种有机鎓离子和至少一种由式[Z-BF 3] - 表示的阴离子的离子液体,其中Z是烷基,烯基或氟烯基。 根据本发明的离子液体能够容易地溶解电解质如锂盐,并且也是不可燃的并且具有低粘度; 因此,离子液体适合用作锂二次电池,双电层电容器等锂电池的电解质溶剂。 本发明的离子液体适用于锂二次电池,燃料电池,太阳能电池,双电层电容器等电化学装置; 作为化学反应的溶剂; 和作为润滑剂。