Mortar composition, curable by frontal polymerization, and a method for fastening tie bars
    1.
    发明授权
    Mortar composition, curable by frontal polymerization, and a method for fastening tie bars 有权
    砂浆组合物,通过正面聚合可固化,以及一种紧固连杆的方法

    公开(公告)号:US06533503B2

    公开(公告)日:2003-03-18

    申请号:US09746628

    申请日:2000-12-21

    IPC分类号: E21D2002

    摘要: A mortar composition, curable by frontal polymerization after heat initiation, is described, wherein are contained a) at least one polymerizable monomer and/or at least one curable resin, b) at least one polymerization initiator, which can be activated and/or released thermally at a temperature above 30° C., for the polymerizable monomers and/or curing accelerator for the curable resin and c) optionally at least one filler, the nature and amount of polymerizable monomer or curable resin and polymerization initiator or curing accelerator being selected so that a polymerization front velocity of at least 10 cm/min results after the polymerization is initiated, as well as a method for fastening tie bars, reinforcing steel or the like in solid substrates.

    摘要翻译: 其中含有a)至少一种可聚合单体和/或至少一种可固化树脂,b)至少一种可被活化和/或释放的聚合引发剂, 在高于30℃的温度下,对于可固化树脂的可聚合单体和/或固化促进剂,以及c)任选的至少一种填料,选择可聚合单体或可固化树脂和聚合引发剂或固化促进剂的性质和量 使得在聚合开始之后产生至少10cm / min的聚合前速度,以及用于将固定条,紧固钢等紧固在固体基底中的方法。

    Process for the separation of metaxylene from mixtures of aromatic
hydrocarbons
    2.
    发明授权
    Process for the separation of metaxylene from mixtures of aromatic hydrocarbons 失效
    从芳烃混合物中分离间二甲苯的方法

    公开(公告)号:US4368347A

    公开(公告)日:1983-01-11

    申请号:US214286

    申请日:1980-12-08

    CPC分类号: C07C7/13 G01N30/02

    摘要: A process for the separation of metaxylene from aromatic C.sub.8 hydrocarbons, particularly from ethylbenzene and paraxylene, wherein a first phase is provided in which the mixture of aromatic hydrocarbons is selectively adsorbed, in vapor phase, into a catalytic bed consisting of zeolite of the Y type, preliminarily exchanged with potassium, and in a second phase a desorption is effected with a suitable solvent. The process, carried out at a temperature of 150.degree. to 200.degree. C. and preferably at atmospherical pressure, permits the recovery of metaxylene, substantially pure and at a concentration much higher than that of the starting mixture.

    摘要翻译: 一种从芳烃C8烃,特别是乙苯和对二甲苯中分离间二甲苯的方法,其中提供了一种第一相,其中芳族烃的混合物以汽相方式被选择性地吸附到由Y型沸石组成的催化床中 ,用钾初步交换,在第二阶段用合适的溶剂进行解吸。 该方法在150℃至200℃的温度下进行,优选在大气压下进行,可以回收基本上纯的和以比起始混合物高的浓度的间二甲苯。

    Rotating Stirring Device with Substantially Narrow Distribution of Energy Dissipation Rate
    3.
    发明申请
    Rotating Stirring Device with Substantially Narrow Distribution of Energy Dissipation Rate 审中-公开
    旋转搅拌装置具有基本上分散的能量耗散率

    公开(公告)号:US20080226513A1

    公开(公告)日:2008-09-18

    申请号:US10567445

    申请日:2004-08-06

    IPC分类号: B01F7/28 B01J19/18

    摘要: A rotating stirring device for generating substantially narrow distribution of energy dissipation rate and avoiding presence of Taylor vortices is disclosed. The device includes an outer member (1) such as a cylinder with cross-section of circular shape and an inner member (2) with cross-section of equilateral or inequilateral polygon shape with curved cusps. The inner member is preferably concentrically placed within the outer cylinder and rotates. Such device is particularly advantageous as a reactor or mixer for processes where chemical and physical properties are sensitive to the variations in the shear rate and for processes that involve fragile components. The device can be also used to replace Taylor Couette device for the purposes of improving mass transfer and of avoiding separate of components in the gap in the case of presence of differences in density among components.

    摘要翻译: 公开了一种用于产生基本上窄的能量耗散率分布并避免泰勒涡流的存在的旋转搅拌装置。 该装置包括具有圆形截面的圆柱体的外部构件(1)和具有弯曲尖端的等边或不等边多边形的横截面的内部构件(2)。 内部构件优选地同心地放置在外筒内并旋转。 这种装置作为反应器或混合器是特别有利的,其中化学和物理性质对剪切速率的变化以及涉及脆性组分的方法敏感。 该装置还可用于替代泰勒Couette装置,以便在组件之间存在密度差异的情况下改进质量传递和避免间隙中的部件分离。

    Method for the Production of a Chemical Reaction Product with the Aid of a Fixed-Bed Reactor
    4.
    发明申请
    Method for the Production of a Chemical Reaction Product with the Aid of a Fixed-Bed Reactor 失效
    用固定床反应器生产化学反应产物的方法

    公开(公告)号:US20080132722A1

    公开(公告)日:2008-06-05

    申请号:US10586065

    申请日:2005-01-13

    IPC分类号: C07C69/34 B01D15/08 C07C39/16

    摘要: Disclosed is a method for producing at least one chemical reaction product by chemically reacting one or several reactants that is/are optionally dissolved in one or several solvents and is/are supplied as a feed stream by bringing the same in contact with a heterogeneous catalyst in a continuously operated fixed-bed reactor which is filled with a particle bed, a continuous annular chromatograph (CAC) that is filled with the particle bed being used as a fixed-bed reaction in which the at least one reaction product is formed and purified while the at least one purified reaction product as well as optionally provided secondary products and/or non-reacted reactants are withdrawn at a different, predetermined azimuthal position of the annular chromatograph, respectively. The inventive method is characterized in that only one type of particle material is used in a single particle bed as both a formation catalyst and a chromatographic medium for purifying the at least one reaction product in the particle bed.

    摘要翻译: 公开了一种通过化学反应一种或几种反应物来生产至少一种化学反应产物的方法,所述反应物任选地溶解在一种或多种溶剂中,并通过使其与非均相催化剂接触而作为进料流供给 用颗粒床填充的连续操作的固定床反应器,填充有颗粒床的连续环状色谱仪(CAC),其用作固定床反应,其中形成和纯化至少一种反应产物,同时 分别在环状色谱仪的不同的预定方位位置取出至少一种纯化的反应产物以及任选提供的第二产物和/或未反应的反应物。 本发明的方法的特征在于,在单颗粒床中仅使用一种类型的颗粒材料作为地层催化剂和用于纯化颗粒床中的至少一种反应产物的色谱介质。

    Process for separating isomeric dichlorotoluenes by adsorption
    6.
    发明授权
    Process for separating isomeric dichlorotoluenes by adsorption 失效
    通过吸附分离异构二氯甲苯的方法

    公开(公告)号:US4766262A

    公开(公告)日:1988-08-23

    申请号:US926461

    申请日:1986-11-03

    CPC分类号: C07C17/389

    摘要: A process for separating dichlorotoluene isomers from a mixture containing at least two dichlorotoluene isomers comprising(a) passing said mixture containing dichlorotoluene isomers through a mordenite having the following composition; in molar ratios:a H.sub.2 O: b M.sub.2/n O: Al.sub.2 O.sub.3 : (10-400 SiO.sub.2) in which M is hydrogen or at least one cation selected from an alkali metal or an alkaline-earth metal with the exception of cesium and rubidium, n is the valence of M, 0.7.ltoreq.a+b.ltoreq.1.1, and 0.ltoreq.b.ltoreq.0.2,(b) separating the non-adsorbed dichlorotoluenes from said mordenite,(c) contacting said mordenite containing the adsorbed isomers with a desorbent capable of separating said isomers from said mordenite, and(d) separating the desorbed isomers from the desorbent.

    摘要翻译: 一种从含有至少两种二氯甲苯异构体的混合物中分离二氯甲苯异构体的方法,包括:(a)使含有二氯甲苯异构体的混合物通过具有以下组成的丝光沸石; 摩尔比:H 2 O:b M2 / nO:Al 2 O 3:(10-400SiO 2)其中M是氢或至少一种选自碱金属或碱土金属的阳离子,铯和铷除外,n 是M的化合价,0.7≤a+ b

    Method and device for chromatographic purification
    7.
    发明授权
    Method and device for chromatographic purification 有权
    色谱纯化方法和装置

    公开(公告)号:US08496836B2

    公开(公告)日:2013-07-30

    申请号:US12916367

    申请日:2010-10-29

    IPC分类号: B01D15/08 C02F1/28

    摘要: A process for continuous or quasi-continuous purification of a multi-component mixture (F) by means of individual chromatographic columns through which the mixture is fed by means of at least one solvent(s). The multi-component mixture (F) at least comprises light impurities (A), an intermediate product (B) to be purified and heavy impurities (C), and the columns are grouped into at least four sections (α,β,γ,δ). After or within a switch time (t*) the last column from the first section (α) is moved to the first position of the second section (β), the last column of the second section (β) is moved to the first position of the third section (γ), the last column of the third section (γ) is moved to the first position of the fourth section (δ) and the last column of the fourth section (δ) is moved to become the first column of the first section (α).

    摘要翻译: 通过单独的色谱柱连续或准连续纯化多组分混合物(F)的方法,混合物通过其通过至少一种溶剂进料。 多组分混合物(F)至少包含轻质杂质(A),待纯化的中间产物(B)和重杂质(C),并且将列分成至少四个部分(α,β,γ, 三角洲)。 在切换时间(t *)之后或之内,来自第一部分(α)的最后一列被移动到第二部分(β)的第一位置,第二部分(β)的最后一列被移动到第一部分 (γ)的第三部分(γ)的最后一列移动到第四部分(delta)的第一位置,并且第四部分(delta)的最后一列被移动成为第 第一部分(alpha)。

    Method and device for chromatographic purification
    8.
    发明授权
    Method and device for chromatographic purification 有权
    色谱纯化方法和装置

    公开(公告)号:US07837881B2

    公开(公告)日:2010-11-23

    申请号:US11919540

    申请日:2006-04-27

    IPC分类号: B01D15/08 C02F1/28

    摘要: A process for continuous purification of a multi-component mixture by means of individual chromatographic columns though which the mixture is fed by means of at least one solvent. The multi-component mixture comprises at least light impurities, an intermediate product, and heavy impurities. The columns are grouped into at least four sections (α, β, γ, δ) and the fourth section contains three sub-sections (δr, δf, δg). The process operates, alternatingly, in a batch-mode position and in an interconnected-mode position. After or within a switch time, the columns are moved in their function in a counter direction to the general direction of flow of the solvent. The combination of batch chromatography with elements of simulated moving bed techniques, or rather, countercurrent-principles, allows for the separation of a true multi-component mixture, even if one of the products is only present in a small amount, comparatively.

    摘要翻译: 通过单独的色谱柱连续纯化多组分混合物的方法,混合物通过至少一种溶剂进料。 多组分混合物至少包含轻质杂质,中间产物和重杂质。 列分成至少四个部分(α,&bgr;γ,δ),第四部分包含三个子部分(δr,δf,δg)。 该过程以批处理模式位置和互连模式位置交替运行。 在开关时间之后或在开关时间之内,列以与溶剂的大致流动方向相反的方向在其功能中移动。 批量色谱与模拟移动床技术的元素的组合,或者逆流原理,允许分离真实的多组分混合物,即使其中一种产物仅存在于少量,相对而言。

    Method for the production of a chemical reaction product with the aid of a fixed-bed reactor
    9.
    发明授权
    Method for the production of a chemical reaction product with the aid of a fixed-bed reactor 失效
    借助固定床反应器生产化学反应产物的方法

    公开(公告)号:US07686958B2

    公开(公告)日:2010-03-30

    申请号:US10586065

    申请日:2005-01-13

    IPC分类号: B01D15/08 C07C39/16

    摘要: Disclosed is a method for producing at least one chemical reaction product by chemically reacting one or several reactants that is/are optionally dissolved in one or several solvents and is/are supplied as a feed stream by bringing the same in contact with a heterogeneous catalyst in a continuously operated fixed-bed reactor which is filled with a particle bed, a continuous annular chromatograph (CAC) that is filled with the particle bed being used as a fixed-bed reaction in which the at least one reaction product is formed and purified while the at least one purified reaction product as well as optionally provided secondary products and/or non-reacted reactants are withdrawn at a different, predetermined azimuthal position of the annular chromatograph, respectively. The inventive method is characterized in that only one type of particle material is used in a single particle bed as both a formation catalyst and a chromatographic medium for purifying the at least one reaction product in the particle bed.

    摘要翻译: 公开了一种通过化学反应一种或几种反应物来生产至少一种化学反应产物的方法,所述反应物任选地溶解在一种或多种溶剂中,并通过使其与非均相催化剂接触而作为进料流供给 用颗粒床填充的连续操作的固定床反应器,填充有颗粒床的连续环状色谱仪(CAC),其用作固定床反应,其中形成和纯化至少一种反应产物,同时 分别在环状色谱仪的不同的预定方位位置取出至少一种纯化的反应产物以及任选提供的第二产物和/或未反应的反应物。 本发明的方法的特征在于,在单颗粒床中仅使用一种类型的颗粒材料作为地层催化剂和用于纯化颗粒床中的至少一种反应产物的色谱介质。

    Method and device for chromatographic purification

    公开(公告)号:US20090050567A1

    公开(公告)日:2009-02-26

    申请号:US11919540

    申请日:2006-04-27

    IPC分类号: B01D15/18

    摘要: A process for continuous or quasi-continuous purification of a multi-component mixture (F) by means of individual chromatographic columns through which the mixture is fed by means of at least one solvent (s), is proposed. The multi-component mixture (F) at least comprises light impurities (A), an intermediate product (B) to be purified and heavy impurities (C), and the columns are grouped into at least four sections (α, β, γ, δ), in which the first section (α) is provided with at least one inlet of solvent (s) and at least one outlet for purified intermediate product (B), such that it washes the purified intermediate product (B) out of the system, but keeps the heavy impurities (C) inside the section (α), the one inlet of solvent (β) and at least one outlet connected to an inlet of the fourth section (δ), such that it washes the intermediate product (B), which is contaminated with heavy impurities (C) into the fourth section (δ) through said outlet, but keeps the pure heavy impurities (C) inside the section (β), the third section (γ) is provided with at least one inlet of solvent (s) and an outlet for heavy impurities (C), such that it washes out the heavy impurities (C) through said outlet and cleans the chromatographic column(s), the fourth section (δ) is provided with at least one inlet to receive output of the outlet of the second section (β) as well as at least one inlet for feeding in the multi-component mixture (F) and at least one outlet for light impurities (A), such that it washes the light impurities (A) out of the system, but keeps the intermediate product (B) inside the section (δ), wherein after or within a switch time (t*) the last column from the first section (α) is moved to the first position of the second section (β), the last column of the second section (β) is moved to the first position of the third section (γ), the last column of the third section (γ) is moved to the first position of the fourth section (δ) and the last column of the fourth section (δ) is moved to become the first column of the first section (α).