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    Method for producing tanning agents containing sulphone
    1.
    发明申请
    Method for producing tanning agents containing sulphone 失效
    生产鞣剂的方法

    公开(公告)号：US20040250353A1

    公开(公告)日：2004-12-16

    申请号：US10486208

    申请日：2004-02-17

    Applicant: BASF Akiengesellschaft

    Inventor： Gunther Pabst ,  Gerhard Wolf ,  Jurgen Kast ,  Jurgen Werner

    IPC: C14C003/00

    CPC classification number: C08G8/28 ,  C08L61/14 ,  C14C3/20

    Abstract: A process for preparing a solution of sulfone-containing tanning materials comprises a) preparing a component A by a1) reacting phenol with concentrated sulfuric acid, with oleum of an SO3 content of from 20 to 65% by weight or with a mixture of sulfuric acid and oleum of an SO3 content of from 20 to 65% by weight, the molar ratio of total sulfuric acid, reckoned as SO3, to phenol being in the range from 0.7:1 to 1.5:1, at from 100 to 180null C. to form a mixture containing phenolsulfonic acid, dihydroxydiphenyl sulfone and sulfuric acid, or mixing the individual components to prepare a corresponding mixture, a2) then condensing said mixture with from 0.25 to 4 mol of urea and with from 0.5 to 4 mol of an aliphatic aldehyde of 1 to 6 carbon atoms per mole of phenol units present at from 40 to 90null C., a3) optionally adding a base to set a pH of from 4 to 5, b) preparing a component B by b1) reacting dihydroxydiphenyl sulfone with from 0.5 to 5 mol of an aliphatic aldehyde of from 1 to 6 carbon atoms and with from 0.4 to 2 mol of sodium sulfite per mole of dihydroxydiphenyl sulfone at from 90 to 180null C., b2) optionally adding an acid to set a pH of from 3.5 to 5.5, c) mixing from 10 to 90% by weight of component A with from 90 to 10% by weight of component B, the sum total of A and B being 100% by weight, and, unless already effected in steps a3) and b2), setting the pH of the mixture to a value in the range from 3.5 to 5.5.

    Abstract translation: 制备含砜鞣制材料的方法的方法包括：a）通过使苯酚与浓硫酸反应，SO 3含量为20至65重量％的发烟硫酸或硫酸混合物制备组分A 和SO 3含量为20至65重量％的发烟硫酸，计算为SO 3的总硫酸与苯酚的摩尔比在0.7:1至1.5:1的范围内，在100至180℃。 以形成含有苯酚磺酸，二羟基二苯基砜和硫酸的混合物，或混合各组分以制备相应的混合物，然后将所述混合物与0.25至4mol的尿素和0.5至4mol的脂族醛缩合 在40至90℃存在的每摩尔苯酚单元具有1至6个碳原子，a3）任选地加入碱以使pH为4至5，b）通过将二羟基二苯基砜与 0.5至5摩尔的1至6的脂族醛 碳原子，并且在90至180℃下每摩尔二羟基二苯基砜具有0.4至2摩尔亚硫酸钠，b2）任选地加入酸以使pH为3.5至5.5，c）将10至90重量％ 的组分A和90至10重量％的组分B，A和B的总和为100重量％，除非在步骤a3）和b2）中已经实现，将混合物的pH设定为 一个范围从3.5到5.5的值。

    Using aqueous binders in producing abrasive materials
    2.
    发明申请
    Using aqueous binders in producing abrasive materials 失效
    使用含水粘合剂生产磨料

    公开(公告)号：US20040236008A1

    公开(公告)日：2004-11-25

    申请号：US10759240

    申请日：2004-01-20

    Applicant: BASF Akiengesellschaft

    Inventor： Matthias Laubender ,  Matthias Gerst ,  Bernd Reck ,  Manfred Weber

    IPC: C08K003/00

    CPC classification number: C08F267/04 ,  C08F265/02 ,  C08L25/14 ,  C08L2666/04 ,  C09J133/02

    Abstract: The present invention relates to the use of an aqueous polymer dispersion comprising dispersed particles of at least one polymer A1 having a glass transition temperature, Tg, of from null20null C. to null35null C. and obtainable through free-radical emulsion polymerization in the presence of a polymer A2 synthesized from from 50 to 99.5% by weight of at least one ethylenically unsaturated monocarboxylic and/or dicarboxylic acid whose carboxylic groups can form an anhydride group, or mixtures thereof, from 0.5 to 50% by weight of at least one ethylenically unsaturated compound selected from the esters of ethylenically unsaturated monocarboxylic acids and the monoesters and diesters of ethylenically unsaturated dicarboxylic acids with an amine containing at least one hydroxyl group, and up to 20% by weight of at least one further monomer as binder for producing abrasive material.

    Abstract translation: 本发明涉及包含至少一种玻璃化转变温度Tg为-20℃至+ 35℃的聚合物A1的分散颗粒的聚合物水分散体的使用，可通过自由基乳液聚合获得 在由50至99.5重量％的至少一种其羧基可以形成酸酐基团的烯属不饱和单羧酸和/或二羧酸或其混合物合成的聚合物A2存在下，其浓度为0.5至50重量％ 至少一种烯键式不饱和化合物，其选自烯属不饱和单羧酸的酯和烯键式不饱和二羧酸的单酯和二酯与含有至少一个羟基的胺，以及至多20重量％的另外的单体作为粘合剂 生产研磨材料。

    Production of 1-butene
    7.
    发明申请
    Production of 1-butene 审中-公开
    1-丁烯的生产

    公开(公告)号：US20040181111A1

    公开(公告)日：2004-09-16

    申请号：US10773169

    申请日：2004-02-09

    Applicant: BASF Akiengesellschaft

    Inventor： Marcus Sigl ,  Christoph Ubler

    IPC: C07C005/13

    CPC classification number: C07C5/2518 ,  C07C5/2512 ,  C07C6/04 ,  C07C2521/04 ,  C07C2523/04 ,  C07C2529/40 ,  C07C11/08

    Abstract: Process for producing a 1-butene-containing C4-hydrocarbon stream (1-C4null stream) from a 1-butene- and 2-butene-containing C4-hydrocarbon stream (1- and 2-C4null feed stream) whose 1-butene content is lower than that of the 1-C4null stream, by a) feeding the 1- and 2-C4null feed stream and a 1-butene- and 2-butene-containing C4-hydrocarbon stream (1- and 2-C4null recycle stream) whose 1-butene content is lower than that of the 1-C4null stream and which has been produced by means of step (b) below into a distillation column and taking off the 1-C4null stream and a 2-butene-containing C4-hydrocarbon stream (2-C4null stream) whose 1-butene content is lower than that of the 1- and 2-C4null feed stream and of the 1- and 2-C4null recycle stream from the distillation column (step a) and b) producing the 1 - and 2-C4null recycle stream from the 2-C4null stream by bringing the 2-C4null stream into contact with an isomerization catalyst which catalyzes the conversion of 2-butenes into 1-butene in a reaction zone (step b).

    Abstract translation: 用于从含1-丁烯和2-丁烯的C 4烃流（1-和2- C4 <=>进料流）中生产含1-丁烯的C 4烃流（1-C4 < ），其1-丁烯含量低于1-C4 流的1-丁烯含量，通过a）将1-和2- C4 <=>进料流和含1-丁烯和2-丁烯的C4- 其1-丁烯含量低于1-C4 流的烃流（1-和2-C4 <=>循环料流），并且其已经通过下面的步骤（b）生产进入蒸馏塔 并取出其1-丁烯含量低于1-和2- C4 <= 1的C4-C4流和含2-丁烯的C4-烃流（2-C4 < 进料流和来自蒸馏塔的1和2-C4 <=>循环流（步骤a）和b）从2-C4 <=>流产生1和2-C4 <=>循环流 通过使2-C4 <=>流与异构化催化剂接触，所述异构化催化剂催化将2-丁烯转化为1-丁烯在反应中 n区（步骤b）。

    Aqueous polymer dispersions, their preparation and use
    8.
    发明申请
    Aqueous polymer dispersions, their preparation and use 审中-公开
    水性聚合物分散体，其制备和用途

    公开(公告)号：US20030125459A1

    公开(公告)日：2003-07-03

    申请号：US10316914

    申请日：2002-12-12

    Applicant: BASF Akiengesellschaft

    Inventor： Dirk Wulff ,  Alexander Centner ,  Gerhard Auchter

    IPC: C08K003/00 ,  C08K003/20

    CPC classification number: C08F265/06 ,  C08F2/22 ,  C08F285/00 ,  C08F220/10

    Abstract: Described is a process for preparing aqueous polymer dispersions by at least two-stage free-radical aqueous emulsion polymerization of ethylenically unsaturated monomers, comprising: 1. a first polymerization stage, 1, in which a first monomer composition M(1) is polymerized in accordance with a monomer feed technique by adding a free-radical polymerization initiator I(1), giving an aqueous dispersion of a polymer P(1), and 2. a further polymerization stage, 2, in which 2a. a monomer composition M(2) whose makeup is different than that of the monomer composition M(1) is added in undiluted form to the aqueous dispersion of the polymer P(1), and 2b. the monomer composition M(2) is polymerized, and 3. if desired, steps 2a and 2b are repeated to carry out further polymerization stages, i, the total amounts of the monomer M(2) making up from 0.1 to 20% by weight of the monomers M(1) polymerized in stage 1 and the addition of the monomer mixture M(2) not taking place before the end of the addition of the monomer mixture M(1), wherein the polymerization in polymerization stage 2 and any further polymerization stages takes place in the presence of residual amounts of the initiator I(1) added in the 1st stage or by adding further initiator I(1) and from the beginning of step 1 to the end of step 2b in the last polymerization stage the temperature in the reaction vessel is at least 70null C., and also the use of these polymer dispersions for preparing pressure sensitive adhesives.

    Abstract translation: 描述了通过烯键式不饱和单体的至少两步自由基水性乳液聚合制备含水聚合物分散体的方法，其包括：1.第一聚合阶段，其中第一单体组合物M（1）在 根据单体进料技术，通过添加自由基聚合引发剂I（1），得到聚合物P（1）的水分散体，和2.另外的聚合反应阶段，其中2a。 将组成不同于单体组合物M（1）的单体组合物M（2）以未稀释的形式加入到聚合物P（1）和2b的水分散体中。 聚合单体组合物M（2），如果需要，重复步骤2a和2b进行进一步的聚合反应，即，单体M（2）的总量为0.1-20重量％ 的单体M（1）在单体混合物M（1）的加入之前没有发生单体混合物M（2）的添加，其中聚合阶段2中的聚合和任何进一步的 聚合阶段在剩余量的第一阶段添加的引发剂I（1）存在下或通过在最后一个聚合阶段再加入引发剂I（1）和从步骤1开始到步骤2b的末端进行， 反应容器中的温度至少为70℃，并且还使用这些聚合物分散体来制备压敏粘合剂。

    Microcapsules
    9.
    发明申请
    Microcapsules 有权

    公开(公告)号：US20030118822A1

    公开(公告)日：2003-06-26

    申请号：US10302996

    申请日：2002-11-25

    Applicant: BASF Akiengesellschaft

    Inventor： Ekkehard Jahns ,  Hans-Juergen Denu ,  Joachim Pakusch ,  Horst Seibert

    IPC: B22F003/08

    CPC classification number: E04C2/043 ,  B01J13/185 ,  Y10T428/2984

    Abstract: 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.

    Rectificative separation of fluids comprising (meth) acrylic monomers
    10.
    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

    Applicant: BASF Akiengesellschaft

    Inventor： Joachim Thiel ,  Albrecht Dams ,  Jurgen Schroder

    IPC: F25J003/00

    CPC classification number: C07C51/44 ,  B01D3/14 ,  B01D5/0063 ,  C07C45/81 ,  C07C45/82 ,  C07C51/43 ,  C07C67/54 ,  Y10S203/22 ,  C07C47/22 ,  C07C57/04 ,  C07C69/54

    Abstract: 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.

    Abstract translation: 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。

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