Process for producing carboxylic acid esters and catalysts therefor
    1.
    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分类号: C07C67/08

    摘要: 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.

    摘要翻译: 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。

    Formed organosiloxane amine copolycondensates, method of their
preparation and use
    3.
    发明授权
    Formed organosiloxane amine copolycondensates, method of their preparation and use 失效
    形成有机硅氧烷胺共缩聚物,其制备方法及用途

    公开(公告)号:US5484869A

    公开(公告)日:1996-01-16

    申请号:US427719

    申请日:1995-04-21

    摘要: Organosiloxane copolycondensates are disclosed and which are optionally cross-linked by means of cross-linking agents containing Si, Ti, Zr and/or Al and contain the units ##STR1## wherein R.sup.1 -R.sup.5 are ##STR2## wherein R.sup.6 is alkylene with C.sub.1 -C.sub.10 bound directly to N or X, cycloalkylene with C.sub.5 -C.sub.8 or ##STR3## X is >N--H, >N--CH.sub.3, >N--C.sub.2 H.sub.5, --S--, --S.sub.2 --, --S.sub.3 --, --S.sub.4 --, ##STR4## wherein R" is H or alkyl with C.sub.1 -C.sub.5. These products are 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. Different methods of preparing the formed copolycondensates are disclosed as well as use of certain compositions for removing metals from solutions and/or for the adsorption of gaseous organic compounds and/or of water vapor.

    摘要翻译: 有机硅氧烷共缩聚物被公开,并且其任选地通过含有Si,Ti,Zr和/或Al的交联剂交联,并且含有单元,其中R 1是具有C1- C10直接键合到N或X上,亚环烷基与C 5 -C 8或X 3或X 3是> NH,> N-CH 3,> N-C 2 H 5,-S-,-S 2 - ,-S 3 - ,-S 4 - ,其中R“为H或C 1 -C 5烷基。 这些产品是直径为0.01至3.0mm,比表面积高达1000m 2 / g,比孔容积高达6.0ml / g和体积密度为50至1000g / g的球形颗粒的形式, l。 公开了制备形成的共缩聚物的不同方法以及使用某些组合物从溶液中除去金属和/或吸附气态有机化合物和/或水蒸气。

    Metal-containing, shaped organosiloxane amine copolycondensates and
methods of their production
    4.
    发明授权
    Metal-containing, shaped organosiloxane amine copolycondensates and methods of their production 失效
    含金属的成型有机硅氧烷胺共缩聚物及其制备方法

    公开(公告)号:US5264514A

    公开(公告)日:1993-11-23

    申请号:US860715

    申请日:1992-04-01

    摘要: Shaped organosiloxane amine copolycondensates are described which contain Pd, Pt, Ru and/or Rh, as well as optional promotors and/or moderators. The shaped copolycondensate function as a carrier for metals and are made up of units of: ##STR1## and/or units of Y--R.sup.6. R.sup.2 to R.sup.6 are a group represented by the formula: ##STR2## wherein R.sup.7 is a group bound to N, X, or Y (for example, an alkylene group) and R.sup.1 is R.sup.7 --SiO.sub.3/2, H, CH.sub.3, C.sub.2 H.sub.5, or C.sub.3 H.sub.7. X stands for a double-bonded group such as --S--, --S.sub.2 --, --S.sub.3 --, --S.sub.4 --, --HN--CS--NH-- and Y stands for a monovalent groups such as --CN, --SCN, --SH, --S--CH.sub.3, --NH.sub.2, --NH--(CH.sub.2).sub.2 --NH.sub.2. The carrier substance may 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. Methods of production and use of the copolycondensates are also described.

    摘要翻译: 描述了含有Pd,Pt,Ru和/或Rh的有机硅氧烷胺共缩合物,以及任选的促进剂和/或调节剂。 成型的共缩聚物用作金属载体,由以下单元组成:< IMAGE>和/或Y-R6单元。 R2至R6是由下式表示的基团:其中R7是与N,X或Y结合的基团(例如亚烷基),R1是R7-SiO3/2,H,CH3 ,C 2 H 5或C 3 H 7。 X表示-S-,-S2-,-S3-,-S4-,-HN-CS-NH-和Y代表一价基团如-CN,-SCN,-SH ,-S-CH 3,-NH 2,-NH-(CH 2)2 -NH 2。 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。 还描述了共缩聚物的生产和使用方法。

    Shaped organosiloxane polycondensates, process for their preparation and
use
    5.
    发明授权
    Shaped organosiloxane polycondensates, process for their preparation and use 失效
    成型有机硅氧烷缩聚物,其制备和使用过程

    公开(公告)号:US5466767A

    公开(公告)日:1995-11-14

    申请号:US340877

    申请日:1994-11-15

    CPC分类号: C08G77/54 C08G77/48 C08G77/58

    摘要: Disclosed are shaped organosiloxane polycondensates in the form of macroscopic spherical particles with a diameter of 0.01 to 2.5 mm, a specific surface area of 0.01 to 1000 m.sup.2 /g, a specific pore volume of 0.01 to 5 ml/g, and a bulk density of 50 to 1000 g/l, consisting of units of the formula (I):X--R.sup.1 (I)and/or the formula (II):R.sup.2 --Y--R.sup.3 (II)and the formula (III): ##STR1## as well as optionally, in addition, units of the formula ##STR2## wherein R.sup.1 to R.sup.3 are identical or different and represent a group of the formula (V): ##STR3## R.sup.4 being bonded directly to the X or Y group and representing a linear or branched, fully saturated or unsaturated alkylene group, a cycloalkylene group, a phenylene group or a unit of the formula ##STR4## and M corresponding to a Si, Ti or Zr atom. Also disclosed are a process for preparation and use.

    摘要翻译: 公开了直径为0.01〜2.5mm,比表面积为0.01〜1000m2 / g,比孔体积为0.01〜5ml / g的宏观球状颗粒形状的成型有机硅氧烷缩聚物,体积密度为 由式(I):X-R1(I)和/或式(II):R2-Y-R3(Ⅱ)和式(Ⅲ)组成的单位为50〜1000g / (III)的化合物,另外还有式(IV)的单元,其中R 1至R 3相同或不同并且表示式(Ⅴ)的基团:或Y基团,并且表示直链或支链的 完全饱和或不饱和的亚烷基,亚环烷基,亚苯基或下式的单元,即对应于Si,Ti或Zr原子的式“IMAGE”或“IMAGE”和M。 还公开了一种制备和使用的方法。

    Hydrating or oxidizing process using a metal-containing, shaped
organosiloxane amine copolycondensate catalyst
    7.
    发明授权
    Hydrating or oxidizing process using a metal-containing, shaped organosiloxane amine copolycondensate catalyst 失效
    使用含金属的有机硅氧烷胺共缩合催化剂进行保湿或氧化处理

    公开(公告)号:US5352791A

    公开(公告)日:1994-10-04

    申请号:US121580

    申请日:1993-09-16

    摘要: Shaped organosiloxane amine copolycondensates are described which contain Pd, Pt, Ru and/or Rh, as well as optional promotors and/or moderators. The shaped copolycondensate function as a carrier for metals and are made up of units of: ##STR1## and/or units of Y--R.sup.6. R.sup.2 to R.sup.6 are a group represented by the formula: ##STR2## wherein R.sup.7 is a group bound to N, X, or Y (for example, an alkylene group) and R.sup.1 is R.sup.7 --SiO.sub.3/2, H, CH.sub.3, C.sub.2 H.sub.5, or C.sub.3 H.sub.7. X stands for a double-bonded group such as --S--, --S.sub.2 --, --S.sub.3 --, --S.sub.4 --, --HN--CS--NH-- and Y stands for a monovalent groups such as --CN, --SCN, --SH, --S--CH.sub.3, --NH.sub.2, --NH--(CH.sub.2).sub.2 --NH.sub.2. The carrier substance may 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. Methods of production and use of the copolycondensates are also described.

    摘要翻译: 描述了含有Pd,Pt,Ru和/或Rh的有机硅氧烷胺共缩合物,以及任选的促进剂和/或调节剂。 成型的共缩聚物用作金属载体,由以下单元组成:< IMAGE>和/或Y-R6单元。 R2至R6是由下式表示的基团:其中R7是与N,X或Y结合的基团(例如亚烷基),R1是R7-SiO3/2,H,CH3 ,C 2 H 5或C 3 H 7。 X表示-S-,-S2-,-S3-,-S4-,-HN-CS-NH-和Y代表一价基团如-CN,-SCN,-SH ,-S-CH 3,-NH 2,-NH-(CH 2)2 -NH 2。 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。 还描述了共缩聚物的生产和使用方法。

    Process for preparing glycide by epoxidation using polymeric
organosiloxane ammonium salts of oxoacids of the elements V, Nb, Ta,
Mo, and W
    8.
    发明授权
    Process for preparing glycide by epoxidation using polymeric organosiloxane ammonium salts of oxoacids of the elements V, Nb, Ta, Mo, and W 失效
    使用元素V,Nb,Ta,Mo和W的含氧酸的聚合有机硅氧烷铵盐通过环氧化制备糖苷的方法

    公开(公告)号:US5286885A

    公开(公告)日:1994-02-15

    申请号:US53248

    申请日:1993-04-28

    CPC分类号: C08G77/54 C08G77/58

    摘要: The invention relates to polymeric organosiloxane ammonium salts having a silica-like skeleton and including units of Formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are identical or different and signify a group of Formula (II): ##STR2## wherein R.sup.5 is an alkylene group and the oxygen atoms are saturated by silicon atoms of additional groups corresponding to Formula (II), optionally with the insertion of cross-linking agents; R.sup.3 represents groups corresponding to R.sup.1 or R.sup.2, or hydrogen or an alkyl group; R.sup.4 represents hydrogen or an alkyl group; x is the charge number of an oxo anion of a monooxo-, isopolyoxo- or heteropolyoxo acid of the elements vanadium, niobium, tantalum, molybdenum or tungsten; and oxo groups of the X anion also may be replaced by peroxo groups. The invention also includes methods of preparing the salts of Formula (I) from salts of the type (R.sup.1 R.sup.2 R.sup.3 R.sup.4 N.sup.+).sub.y Y wherein Y is different from X. The invention further includes the use of the salts of Formula (I) as catalyst for oxidation reactions using peroxo compounds as an oxidation agent.

    摘要翻译: 本发明涉及具有二氧化硅样骨架并包括式(I)的单元的聚合有机硅氧烷铵盐:(*化学结构*)(I)其中R1和R2相同或不同并且表示式(II)的基团: (*化学结构*)(II)其中R5是亚烷基并且氧原子被对应于式(II)的另外的基团的硅原子饱和,任选地插入交联剂; R3表示对应于R1或R2的基团,或氢或烷基; R4表示氢或烷基; x是元素钒,铌,钽,钼或钨元素的单氧,异羟基或杂多酸的氧阴离子的电荷数; X阴离子的氧基也可以被过氧基取代。 本发明还包括从其中Y不同于X的类型(R 1 R 2 R 3 R 4 N +)y Y的盐制备式(I)的盐的方法。本发明还包括使用式(I)的盐作为氧化反应的催化剂,其使用 过氧化合物作为氧化剂。

    Process for the treatment of mineral building materials
    10.
    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

    摘要: 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.

    摘要翻译: 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。