Continuous method of producing .gamma.-aminopropyltrialkoxysilanes
    3.
    发明授权
    Continuous method of producing .gamma.-aminopropyltrialkoxysilanes 失效
    连续生产γ-氨基丙基三烷氧基硅烷的方法

    公开(公告)号:US5808123A

    公开(公告)日:1998-09-15

    申请号:US990730

    申请日:1997-12-15

    CPC classification number: C07F7/1892

    Abstract: A continuous method of producing .gamma.-aminopropyltrialkoxysilanes as well as mixtures of primary and secondary aminosilanes by reacting .gamma.-chloropropyltrialkoxysilane with ammonia is disclosed. The steps are: a) .gamma.-chloropropyltrialkoxysilane and ammonia are first mixed in the desired amount ratio, b) this mixture is heated to the reaction temperature, c) allowed to run through a pressure reactor with a dwell time sufficient for the complete reaction, during which the mixture can run through several temperature zones, d) the reaction mixture is subsequently cooled off, e) the product (.gamma.-aminopropyltrialkoxysilanes or the mixtures) is separated out of a two-phase mixture and f) the ammoniacal phase returned into the reactor.

    Abstract translation: 公开了通过使γ-氯丙基三烷氧基硅烷与氨反应产生γ-氨基丙基三烷氧基硅烷以及伯和仲氨基硅烷的混合物的连续方法。 步骤是:a)首先以所需量的比例混合γ-氯丙基三烷氧基硅烷和氨,b)将该混合物加热至反应温度,c)允许经过足以进行完全反应的停留时间的压力反应器, 在此期间,混合物可以穿过几个温度区域,d)随后将反应混合物冷却,e)将产物(γ-氨基丙基三烷氧基硅烷或其混合物)从两相混合物中分离出来,并且f)将氨酸返回到 反应堆。

    Process for the treatment of mineral building materials
    6.
    发明授权
    Process for the treatment of mineral building materials 失效
    矿物建筑材料处理工艺

    公开(公告)号:US5721016A

    公开(公告)日:1998-02-24

    申请号:US650347

    申请日:1996-05-20

    Abstract: A process for the impregnating and priming treatment of mineral building materials of synthetic or natural origin using aqueous suspensions or solutions which contain at least one silicon-containing ion exchanger of the formula �(YO).sub.3 Si(CH.sub.2).sub.x !.sub.n EX (I) or an oligomer of this compound, wherein x signifies an integer of 1 to 12, n signifies an integer of 1 to 3, depending on E Y signifies H, Na, K, Mg, Ca, Ba E signifies a cation-exchanging or anion-exchanging group, and X signifies H.sup.+ or an alkali cation or alkaline earth cation or OH.sup.- or an anion, in a quantity of from 0.1 to 70% by weight, particularly from 10 to 30% by weight, based on the total quantity of the solution or suspension, with the treatment being carried out in a single stage or in multiple stages, optionally combined with a treatment with aqueous or organic emulsions or solutions containing hydrolyzable silanes and/or siloxanes.

    Abstract translation: 使用含有至少一种式[(YO)3 Si(CH 2)x] nEX(I)的含硅离子交换剂的含水悬浮液或溶液浸渍和起始处理合成或天然来源的矿物建筑材料的方法或 该化合物的低聚物,其中x表示1〜12的整数,n表示1〜3的整数,根据EY表示H,Na,K,Mg,Ca,Ba,E表示阳离子交换或阴离子交换 基团,X表示H +或碱性阳离子或碱土金属阳离子或OH-或阴离子,其量为0.1至70重量%,特别是10至30重量%,基于溶液的总量 或悬浮液,其处理在单一阶段或多个阶段进行,任选地与含有水性或有机乳剂或含有可水解硅烷和/或硅氧烷的溶液的处理组合。

    Metal-containing, shaped polymeric, tertiary and/or secondary
organosiloxane amine compounds, method of their production and use
    7.
    发明授权
    Metal-containing, shaped polymeric, tertiary and/or secondary organosiloxane amine compounds, method of their production and use 失效
    含金属,形状的聚合物,仲胺和/或次生有机硅氧烷化合物,其生产和使用方法

    公开(公告)号:US5237019A

    公开(公告)日:1993-08-17

    申请号:US858415

    申请日:1992-03-27

    Abstract: Metal-containing, shaped, polymeric, tertiary and/or secondary organosiloxane amine compounds are introduced which contain the metals Pd, Pt, Ru, Rh individually or in combination as well as optional promotors and/or moderators. The organosiloxane amine functioning as carrier for the metals contains the units ##STR1## and/or units ##STR2## in which R.sup.1 to R.sup.5 are a group ##STR3## with R.sup.6 as a double-bonded group bound to N and Si (e.g. an alkylene group) and X is an amine group such as The carrier substance can be cross-linked with cross-linking agents containing Si, Ti, Zr or Al. The metal-containing product is spherical in form and is defined by the parameters of sphere diameter, specific surface and pore volume as well as bulk density. A method of production is disclosed which can be carried out in several variants as well as the use of the metal-containing product as catalyst for hydrogenation reactions and oxidation reactions.

    Abstract translation: 引入含金属,成型,聚合,叔和/或次级有机硅氧烷胺化合物,其单独或组合地含有金属Pd,Pt,Ru,Rh以及任选的促进剂和/或调节剂。 有机硅氧烷胺作为载体发挥功能的金属包含单元和/或单元(II)其中R 1至R 5是一组(III)与R6如与N-双键基团 和Si(例如亚烷基),X是胺基,例如载体物质可以与含有Si,Ti,Zr或Al的交联剂交联。 含金属产品的形状为球形,由球体直径,比表面积和孔体积以及堆积密度的参数定义。 公开了一种生产方法,其可以在几种变体中进行,以及使用含金属的产物作为氢化反应和氧化反应的催化剂。

    Formed organosiloxane amine copolycondensates method of their
preparation and use
    8.
    发明授权
    Formed organosiloxane amine copolycondensates method of their preparation and use 失效
    形成的有机硅氧烷共聚物其制备和使用方法

    公开(公告)号:US5093451A

    公开(公告)日:1992-03-03

    申请号:US556720

    申请日:1990-07-25

    CPC classification number: B01J20/22 C08G77/22 C08G77/54 C08G77/58

    Abstract: Organosiloxane copolycondensates which are optionally cross-linked by means of cross-linking agents containing Si, Ti, Zr and/or Al and comprised of the units ##STR1## and X--R.sup.4, wherein ##STR2## wherein R.sup.5 =alkylene with C.sub.1 -C.sub.10 bound directly to N or X, or cycloalkylene with C.sub.5 -C.sub.8 or ##STR3## X=--NH.sub.2, --NH--(CH.sub.2).sub.2 --NH.sub.2, --N(CH.sub.3).sub.2, --N(C.sub.2 H.sub.5).sub.2 --NH--(CH.sub.2).sub.2 --NH--(CH.sub.2).sub.2 --NH.sub.2, --Cl, --Br, --I, --SH, --P(C.sub.6 H.sub.5).sub.2, ##STR4## wherein R"=H or alkyl with C1-C5 in the form of spherical particles with a diameter of 0.01 to 3.0 mm, a specific surface of up to 1000 m.sup.2 /g, a specific pore volume of up to 6.0 ml/g and a bulk density of 50 to 1000 g/l. The formed copolycondensates can be used for removing metals from solutions and/or for the adsorption of gaseous organic compounds and/or of water vapor.

    Abstract translation: 有机硅氧烷共缩聚物,其任选地通过含有Si,Ti,Zr和/或Al的交联剂交联,并由单元X和R 4组成,其中R 5 =亚烷基与C 1 -C 10 X = -NH 2,-NH-(CH 2)2 -NH 2,-N(CH 3)2,-N(C 2 H 5)2 -NH),或(C 1 -C 6)烷基, - (CH 2)2 -NH-(CH 2)2 -NH 2,-Cl,-Br,-I,-SH,-P(C 6 H 5)2,其中R“= H或具有C 1 -C5,直径为0.01〜3.0mm,比表面积为1000m2 / g,比孔容积达6.0ml / g,堆积密度为50〜1000g / l 。 形成的共缩聚物可用于从溶液中除去金属和/或用于气态有机化合物和/或水蒸气的吸附。

    Process for producing carboxylic acid esters and catalysts therefor
    10.
    发明授权
    Process for producing carboxylic acid esters and catalysts therefor 失效
    制备羧酸酯及其催化剂的方法

    公开(公告)号:US5922900A

    公开(公告)日:1999-07-13

    申请号:US922558

    申请日:1997-09-03

    CPC classification number: C07C67/08

    Abstract: A process for producing carboxylic acid esters by the following steps:a) preparation of a reaction mixture containing an alcohol and a carboxylic acid and/or a carboxylic anhydride and/or a carboxylic acid ester and or a partially esterified carboxylic acid,b) heating of this mixture to the suitable reaction temperature in the presence of a solid polysiloxane insoluble in the reaction medium and having sulphonic acid groups with intensive thorough mixing accompanied by continuous separation of the reaction water which forms, wherein the polysiloxane used as the catalyst in modified by treatment with a soluble aluminum, titanium or zirconium compound, and the spherical particles thereof have a diameter of 0.01 to 3 mm, a specific surface of 0.1 to 1200 m.sup.2 /g, a specific pore volume of 0.01 to 6.0 ml/g and a bulk density of 50 to 1000 g/l.

    Abstract translation: 一种通过以下步骤制备羧酸酯的方法:a)制备含有醇和羧酸和/或羧酸酐和/或羧酸酯和/或部分酯化的羧酸的反应混合物,b)加热 该混合物在不溶于反应介质的固体聚硅氧烷存在下具有适当的反应温度,并且具有强烈浓缩的磺酸基团,伴随着形成的反应水的连续分离,其中用作催化剂的聚硅氧烷被改性为 用可溶性铝,钛或锆化合物处理,其球形颗粒的直径为0.01〜3mm,比表面积为0.1〜1200m2 / g,比孔体积为0.01〜6.0ml / g,体积 密度为50〜1000g / l。

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