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    Process for Producing High-Swellability Polymer Composites
    5.
    发明申请
    Process for Producing High-Swellability Polymer Composites 有权
    生产高溶胀性聚合物复合材料的方法

    公开(公告)号：US20160075612A1

    公开(公告)日：2016-03-17

    申请号：US14787171

    申请日：2014-04-28

    Applicant: BASF SE

    Inventor： Francisco Javier LOPEZ VILLANUEVA ,  Tina MARK ,  Alexandra WIEDEMANN ,  Alexander WISSEMEIER ,  Michael SEUFERT ,  Jorge SANZ-GOMEZ ,  Alban GLASER

    IPC: C05G3/04 ,  C05C9/00 ,  C09K17/22 ,  C08J5/00 ,  C09K17/32

    CPC classification number: C05G3/04 ,  A61L15/40 ,  A61L15/60 ,  A62D1/00 ,  C05C9/00 ,  C08F2/22 ,  C08F2/44 ,  C08F20/06 ,  C08F220/06 ,  C08F222/385 ,  C08F251/02 ,  C08J5/00 ,  C08J2333/08 ,  C08L33/02 ,  C08L51/02 ,  C08L97/02 ,  C08L2205/03 ,  C09K3/32 ,  C09K17/22 ,  C09K17/24 ,  C09K17/32 ,  C09K17/48 ,  C08L1/02 ,  C08F2/20 ,  C08F2222/108

    Abstract: The present invention relates to a process for producing polymer composites suitable for absorbing and storing aqueous liquids and to the polymer composites obtainable by this process. The invention further relates to the use of these polymer composites. The process comprises free-radical polymerization of a monomer composition M which a) 50 to 100% by weight, based on the total amount of monomers A and B, of at least one monomer A having one ethylenic double bond and at least one neutralizable acid group, b) 0 to 50% by weight of optionally one or more comonomers B which are different than the monomers A and have one ethylenic double bond, and c) 1 to 10% by weight, based on the total amount of monomers A and B, of at least one crosslinker C, wherein the polymerization of the monomer composition is performed in an aqueous suspension of a water-insoluble particulate substance S comprising cellulose or lignocellulose, the weight ratio of the monomer composition M to the substance S being in the range from 9:1 to 1:9; and wherein the monomers A used for polymerization are present in the aqueous suspension in neutralized, i.e. anionic, form to an extent of at least 10 mol %, frequently to an extent of at least 20 mol %, particularly to an extent of at least 30 mol % and especially to an extent of at least 35 mol %.

    Abstract translation: 本发明涉及适用于吸收和储存含水液体的聚合物复合材料的方法以及通过该方法可获得的聚合物复合材料。 本发明还涉及这些聚合物复合材料的用途。 该方法包括单体组合物M的自由基聚合，a）50至100重量％，基于单体A和B的总量，至少一种具有一个烯属双键的单体A和至少一种可中和酸 基团，b）0至50重量％的任选一种或多种与单体A不同的共聚单体B，并且具有一个烯属双键，和c）基于单体A和/或单体A的总量为1-10重量％ B的至少一种交联剂C，其中单体组合物的聚合在包含纤维素或木质纤维素的水不溶性颗粒物质S的水悬浮液中进行，单体组合物M与物质S的重量比在 范围从9：1到1：9; 并且其中用于聚合的单体A以中和的，即阴离子的形式存在于水悬浮液中，其程度至少为10摩尔％，通常至少为20摩尔％，特别是至少为30重量％ mol％，特别是至少35mol％的程度。

    METHOD AND APPARATUS FOR DETERMINING AN AMOUNT OF NITROGEN-STABILIZING ADDITIVE
    6.
    发明申请
    METHOD AND APPARATUS FOR DETERMINING AN AMOUNT OF NITROGEN-STABILIZING ADDITIVE 有权

    公开(公告)号：US20220071082A1

    公开(公告)日：2022-03-10

    申请号：US17431066

    申请日：2020-02-13

    Applicant: BASF SE

    Inventor： Wolfram ZERULLA ,  Markus SCHMID ,  Gregor PASDA ,  Alexander WISSEMEIER

    IPC: A01B79/00 ,  A01C21/00 ,  C05G3/90

    Abstract: A method for determining an amount of a nitrogen-stabilizing additive selected from nitrification inhibitors, urease inhibitors and denitrification inhibitors, to be applied jointly or separately with a nitrogen containing fertilizer, comprising determining values of at least two parameters influencing the efficacy of the nitrogen-stabilizing additive, determining an amount of nitrogen containing fertilizer that has been applied or is to be applied, determining the efficacy of the nitrogen-stabilizing additive on the basis of said values of said at least two parameters and calculating the necessary amount of nitrogen-stabilizing additive to be applied on the basis of said efficacy of the nitrogen-stabilizing additive and of said amount of nitrogen-containing fertilizer application. Furthermore, the method relates to an apparatus (1) for determining an amount of a nitrogen-stabilizing additive.

    POLYESTER HYDROGELS
    7.
    发明申请
    POLYESTER HYDROGELS 审中-公开
    聚酯水凝胶

    公开(公告)号：US20160326307A1

    公开(公告)日：2016-11-10

    申请号：US15105348

    申请日：2014-12-17

    Applicant: BASF SE

    Inventor： Motonori YAMAMOTO ,  Alexander WISSEMEIER ,  Wolfgang WEIGELT ,  Harald KELLER ,  Michael SEUFERT ,  Gimmy Alex FERNANDEZ RAMIREZ ,  Jorge SANZ-GOMEZ ,  Alexandra WIEDEMANN

    IPC: C08G63/688 ,  C09K17/18 ,  C05G3/04 ,  B01J20/26

    CPC classification number: C08G63/6888 ,  B01J20/262 ,  C05G3/04 ,  C08G63/52 ,  C08G63/676 ,  C08G63/916 ,  C08G2210/00 ,  C08G2310/00 ,  C09K17/18

    Abstract: The present invention relates to a polyester comprising units derived from monomers A, B and C, wherein the group of monomers A consists of (a1) monomers A1, or (a2) monomers A1 and monomers A2, with monomers A1 and monomers A2 being present in a molar ratio of at least 31:69, preferably at least 4:1, wherein the monomers A1 are selected from the group consisting of aromatic sulfonated dicarboxylic acid based monomers of general formulae (I), (II), (III) and (IV), and wherein the monomers A2 are selected from the group consisting of non-sulfonated aromatic dicarboxylic acid based monomers of general formulae (V), (VI) and (VII); and wherein the group of monomers B consists of (b1) monomers B1, or (b2) monomers B1 and monomers B2, with monomers B1 and monomers B2 being present in a molar ratio of at least 1:9, preferably at least 4:1, wherein the monomers B1 are selected from the group consisting of unsaturated dicarboxylic acid based monomers of general formula (VIII), and wherein the monomers B2 are selected from the group consisting of saturated dicarboxylic acid based monomers of general formula (IX); and wherein the group of monomers C consists of (c1) monomers C1, (c2) monomers C2, or (c3) monomers C1 and C2, wherein the monomers C1 are selected from the group consisting of ethylene glycol based monomers of general formula (X), and wherein the monomers C2 are selected from the group consisting of propylene glycol based monomers of general formula (XI), and wherein the molar ratio of the units derived from the group of monomers A to the units derived from the group of monomers B is from 9:1 to 1:2.4, and wherein the molar ratio of the units derived from the groups of monomers A and B to the units derived from the group of monomers C is from 1.3:1 to 1:1.3. The polyester of the invention is preferably cross-linked.

    Abstract translation: 本发明涉及包含衍生自单体A，B和C的单元的聚酯，其中单体A由（a1）单体A1或（a2）单体A1和单体A2与单体A1和单体A2组成的单体组成 其摩尔比为至少31:69，优选至少4:1，其中单体A1选自通式（I），（II），（III）和（II）的芳族磺化二羧酸基单体和 （Ⅳ），其中单体A2选自通式（Ⅴ），（Ⅵ）和（Ⅶ）的非磺化芳族二羧酸基单体; 并且其中单体组B由（b1）单体B1或（b2）单体B1和单体B2组成，单体B1和单体B2以至少1:9，优选至少4:1的摩尔比存在 其中单体B1选自由通式（VIII）的不饱和二羧酸基单体组成的组，其中单体B2选自通式（IX）的饱和二羧酸基单体; 并且其中单体C组由（c1）单体C1，（c2）单体C2或（c3）单体C1和C2组成，其中单体C1选自通式（X ），其中单体C2选自通式（XI）的丙二醇基单体，其中衍生自单体A的单元与衍生自单体B的单元的摩尔比 为9:1至1:2.4，并且其中衍生自单体A和B的单元的单元与衍生自单体C的单元的摩尔比为1.3:1至1:1.3。 本发明的聚酯优选是交联的。

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