Microcapsules
    11.
    发明申请

    公开(公告)号:US20030118822A1

    公开(公告)日:2003-06-26

    申请号:US10302996

    申请日:2002-11-25

    IPC分类号: B22F003/08

    摘要: Microcapsules comprising one or more lipophilic substances as core material and a polymer as capsule shell, which are obtainable by free-radical polymerization of an oil-in-water emulsion comprising from 30 to 100% by weight, based on the total weight of the monomers, of one or more C1-C24-alkyl esters of acrylic and/or methacrylic acid (monomer I), from 0 to 80% by weight, based on the total weight of the monomers, of a bifunctional or polyfunctional monomer (monomers II) which is insoluble or sparingly soluble in water and from 0 to 40% by weight, based on the total weight of the monomers, of other monomers (monomers III), the lipophilic substance and solid inorganic particles having a mean particle size of from 45 to 1000 nm, and a process for producing them are described. They can be used in binding building materials, textiles and gypsum plasterboard.

    Method for Producing Sodium Dithionite
    12.
    发明申请
    Method for Producing Sodium Dithionite 失效
    生产连二亚硫酸钠的方法

    公开(公告)号:US20080187484A1

    公开(公告)日:2008-08-07

    申请号:US11666973

    申请日:2005-11-03

    IPC分类号: C01B17/66

    CPC分类号: C01B17/66

    摘要: The invention relates to a process for the preparation of sodium dithionite, comprising the steps (a) provision of a synthesis batch comprising sodium formate, sulfur dioxide and an alkaline sodium compound in aqueous methanolic solution with formation of a sodium dithionite mother liquor, (b) isolation of sodium dithionite from the sodium dithionite mother liquor, a residual mother liquor being obtained, (c) separation of methanol from the residual mother liquor, (d) separation of the residual mother liquor into a thiosulfate-rich first part-stream and a thiosulfate-poor, formate-containing second part-stream by means of nanofiltration, (e) concentration of sodium formate in the second part-stream and (f) recycling of the concentrated second part-stream to process step (a).

    摘要翻译: 本发明涉及一种制备连二亚硫酸钠的方法,包括以下步骤:(a)在形成连二亚硫酸钠母液的水溶液中提供包含甲酸钠,二氧化硫和碱性钠化合物的合成批料,(b )从连二亚硫酸钠母液中分离连二亚硫酸钠,得到残余母液,(c)从残余母液中分离甲醇,(d)将残余母液分离成富含硫代硫酸氢盐的第一部分流, (e)在第二部分流中浓缩甲酸钠,和(f)将浓缩的第二部分物流再循环到工艺步骤(a)中,通过纳滤法生产含有硫代硫酸盐的富含甲酸的第二部分物流。

    HETEROGENEOUS CATALYST FOR THE PREPARATION OF ACROLEIN BY PARTIAL GAS PHASE OXIDATION OF PROPENE
    13.
    发明申请
    HETEROGENEOUS CATALYST FOR THE PREPARATION OF ACROLEIN BY PARTIAL GAS PHASE OXIDATION OF PROPENE 有权
    用于通过部分气相氧化丙烯来制备丙烯酸的异构催化剂

    公开(公告)号:US20070142223A1

    公开(公告)日:2007-06-21

    申请号:US11627573

    申请日:2007-01-26

    IPC分类号: B01J21/00

    摘要: An annular unsupported catalyst for the heterogeneously catalyzed partial gas phase oxidation of propene to acrolein at a propene hourly space velocity on the fixed catalyst bed of ≧120 1 (STP)/l·h and a total CO2 and saturated hydrocarbon content of the starting reaction gas mixture of below 15 mol %, the catalysts of the fixed catalyst bed are the annular unsupported catalysts whose active composition is a multimetal oxide in which the molar Co/Fe ratio=from 2 to 4 and the molar Co/Mo ratio=from 0.3 to 0.7.

    摘要翻译: 一种环状的无载体催化剂,用于在固定催化剂床上,丙烯到异丙烯醛的非均相催化的部分气相氧化丙烯醛,固定催化剂床上> = 120 1(STP)/ 1h,总共CO 2 2和 起始反应气体混合物的饱和烃含量低于15mol%,固定催化剂床的催化剂是环状无载体催化剂,其活性组成是多金属氧化物,其中Co / Fe摩尔比为2至4,摩尔数 Co / Mo比= 0.3〜0.7。

    Stuffing agent for leather based on mixtures of modified, native oils with alcoxylated alkanols, use thereof and method for treating leather
    15.
    发明申请
    Stuffing agent for leather based on mixtures of modified, native oils with alcoxylated alkanols, use thereof and method for treating leather 审中-公开
    基于改性天然油与羟基链烷醇的混合物的皮革填充剂,其用途和处理皮革的方法

    公开(公告)号:US20060150342A1

    公开(公告)日:2006-07-13

    申请号:US10526895

    申请日:2003-09-11

    IPC分类号: C14C1/06

    CPC分类号: C14C9/02

    摘要: A fatliquoring agent comprises A) a mixture of modified natural oils containing a1) at least one oxidized sulfited natural oil and a2) at least one oxidized sulfated natural oil, B) an emulsifier mixture containing b1) at least one C6- to C14-alkanol alkoxylated with from 4 to 12 alkylene oxide units, b2) at least one C12- to C24-alkanol alkoxylated with from 15 to 40 alkylene oxide units and b3) at least one C12- to C24-alkanol alkoxylated with from 50 to 100 alkylene oxide units, and C) if required, a linear, cyclic or branched polymer of a dialkylsilanediol, SiR2(OH)2, where R is methyl, ethyl, n-propyl or phenyl, and/or D) if required, a compound of the formula (II) where R1 and R2 are identical or different and, independently of one another, are selected from the group consisting of H, M, saturated linear aliphatic C1- to C18-alkyl and saturated branched aliphatic C3- to C18-alkyl, where at least one of the two radicals R1 and R2≠H, M with M=alkali metal or 0.5 alkaline earth metal, and M+ is selected from the group consisting of H+, NH4+, alkali metal+ and 0.5 alkaline earth metal+. The use of the novel fatliquoring agents in leather production and/or leather treatment and processes for the production and/or treatment of leather with aqueous dispersions of these fatliquoring agents are also described.

    摘要翻译: 加脂剂包括A)含有a1)至少一种氧化亚硫酸盐天然油和a2)至少一种氧化硫酸化天然油的改性天然油的混合物,B)含有b1)至少一种C 6 用4至12个烯化氧单元烷氧基化的C 14-14烷基,b2)至少一个C 12 - 至C 24 用15至40个烯化氧单元烷氧基化的烷基烷醇和b3)至少一个C 12-14烷氧基化的C 24 - 烷基烷基酯与50至100个环氧烷单元, 和C)如果需要,可以使用二烷基硅烷二醇SiR 2(OH)2 N的直链,环状或支化的聚合物,其中R是甲基,乙基,正丙基或苯基 ,和/或D)如果需要,其中R 1和R 2彼此相同或不同并且彼此独立地选择的式(II)化合物 由H,M,饱和直链脂族C 1至C 18 - 烷基和饱和的 混合脂肪族C 3 - 至C 18 - 烷基,其中两个基团R 1和R 2中的至少一个 H +,M =碱金属或0.5碱土金属,M + +选自H +,NH 4 碱金属+ +和/或碱土金属+和/或超级碱金属。 还描述了在皮革生产和/或皮革处理中使用新型加油剂以及用这些加脂剂的水性分散体生产和/或处理皮革的方法。

    Method for the production of polyisobutene
    16.
    发明申请
    Method for the production of polyisobutene 失效
    生产聚异丁烯的方法

    公开(公告)号:US20060122447A1

    公开(公告)日:2006-06-08

    申请号:US10526936

    申请日:2003-09-18

    IPC分类号: C07C2/02

    摘要: A process for the preparation of polyisobutene containing at least 75 mol % of terminal vinylidene groups, in which isobutene or an isobutene-containing hydrocarbon mixture is polymerized in the liquid phase in the presence of a boron trifluoride complex catalyst having the composition a(BF3):b(Co1):c(Co2) where Co1 is at least one tertiary alcohol, Co2 is at least one compound selected from water, primary alcohols, secondary alcohols, dialkyl ethers, alkanecarboxylic acids and phenols, the ratio c:b is from 0.9 to 1.8 and the ratio (b+c):a is from 0.9 to 3.0, is described.

    摘要翻译: 一种制备含有至少75mol%末端亚乙烯基的聚异丁烯的方法,其中异丁烯或含异丁烯的烃混合物在液相中在三氟化硼配合物催化剂存在下聚合,其组成为β- line-formula description =“In-line Formulas”end =“lead”?> a(BF 3):b(Co1):c(Co2)<?in-line-formula description = 其中Co1为至少一种叔醇,Co 2为选自水,伯醇,仲醇,二烷基醚,链烷羧酸和酚中的至少一种化合物,其比例为c:b 为0.9〜1.8,比率(b + c):a为0.9〜3.0。

    Preparation of acrolein by heterogeneously catalyzed partial gas phase oxidation of propene
    18.
    发明申请
    Preparation of acrolein by heterogeneously catalyzed partial gas phase oxidation of propene 有权
    通过丙烯的非均相催化部分气相氧化制备丙烯醛

    公开(公告)号:US20050107641A1

    公开(公告)日:2005-05-19

    申请号:US10974831

    申请日:2004-10-28

    摘要: In a process for the heterogeneously catalyzed partial gas phase oxidation of propene to acrolein at a propene hourly space velocity on the fixed catalyst bed of ≧120 l (STP)/l·h and a total CO2 and saturated hydrocarbon content of the starting reaction gas mixture of below 15 mol %, the catalysts of the fixed catalyst bed are annular un-supported catalysts whose active composition is a multimetal oxide in which the molar Co/Fe ratio=from 2 to 4 and the molar Co/Mo ratio=from 0.3 to 0.7.

    摘要翻译: 在异丙烯催化的部分气相中,丙烯醛以固定催化剂床上丙烯时间空速在≥120升(STP)/ 1h和总CO 2 N 2和饱和 起始反应气体混合物的烃含量低于15mol%,固定催化剂床的催化剂是环状未负载催化剂,其活性组成是多金属氧化物,其中Co / Fe摩尔比为2至4,摩尔数 Co / Mo比= 0.3〜0.7。

    Rectificative separation of fluids comprising (meth) acrylic monomers
    19.
    发明申请
    Rectificative separation of fluids comprising (meth) acrylic monomers 有权
    包含(甲基)丙烯酸单体的流体的精馏分离

    公开(公告)号:US20040129021A1

    公开(公告)日:2004-07-08

    申请号:US10658257

    申请日:2003-09-10

    IPC分类号: F25J003/00

    摘要: A process for rectificatively separating fluids comprising (meth)acrylic monomers in a rectification column by directly cooling the vapor comprising (meth)acrylic monomers rising to the top of the rectification column to form top condensate comprising (meth)acrylic monomers, the condensation space at the top of the column being separated from the region of the rectification column containing the separating internals only by at least one chimney tray from which the top condensate formed is removed from the rectification column, which comprises effecting the direct cooling of the vapor in the condensation space in at least two spray zones which are spatially successive and are flowed through by vapor by spraying supercooled top condensate comprising added polymerization inhibitor, and the temperature of the sprayed supercooled top condensate becoming lower from spray zone to spray zone in the flow direction of the vapor.

    摘要翻译: 通过直接冷却包含上升到精馏塔顶部的(甲基)丙烯酸单体的蒸气以形成包含(甲基)丙烯酸单体的顶部缩合物,将精馏塔中的(甲基)丙烯酸单体精制分离的流体, 柱的顶部仅由至少一个烟囱式塔板从含有分离内部件的精馏塔的区域分离出,从该精馏塔排出形成的顶部冷凝物,其中包括使冷凝物中的蒸汽直接冷却 至少两个喷雾区中的空间,其空间连续并通过喷雾通过喷雾过冷顶部冷凝物流过蒸气,其包含加入的阻聚剂,并且喷射的过冷顶部冷凝物的温度在喷雾区域的流动方向上从喷射区域降低到喷射区域 汽。

    Pressure sensitive adhesives for plasticized PVC backings
    20.
    发明申请
    Pressure sensitive adhesives for plasticized PVC backings 有权
    用于增塑PVC背衬的压敏粘合剂

    公开(公告)号:US20040097638A1

    公开(公告)日:2004-05-20

    申请号:US10610570

    申请日:2003-07-02

    IPC分类号: C08F034/02 C08F122/04

    摘要: The invention relates to a polymer synthesized from 0.5 to 30% by weight of vinyl acetate (a), from 0.1 to 10% by weight of monomer containing at least one acid or acid anhydride group (b), from 5 to 70% by weight of at least one monomer other than (a) and (b), having a solubility of more than 5 g/l water (21null C., 1 bar) and a glass transition temperature of less than 15null C. (c), from 0 to 20% by weight of a vinylaromatic monomer having a solubility of less than 5 g/l water (d), from 0 to 90% by weight of at least one C1 to C20 alkyl (meth)acrylate (e) other than (a) to (d), and from 0 to 40% by weight of at least one further monomer (f) other than (a) to (e).

    摘要翻译: 本发明涉及由0.5至30重量%的乙酸乙烯酯(a)合成的聚合物,0.1至10重量%的含有至少一个酸或酸酐基团(b)的单体,5-70重量% 的(a)和(b)以外的至少一种单体,其溶解度大于5g / l的水(21℃,1巴)和玻璃化转变温度低于15℃。(c) ,0至20重量%的溶解度小于5g / l水(d)的乙烯基芳族单体,0至90重量%的至少一种(甲基)丙烯酸C1至C20烷基酯(e)其它 (a)〜(d),以及0〜40重量%的除(a)〜(e)以外的至少一种以上的其它单体(f)。