(Meth)acrylic ester of alkenylene glycols and the use thereof
    41.
    发明授权
    (Meth)acrylic ester of alkenylene glycols and the use thereof 失效
    (甲基)亚烷基二醇的丙烯酸酯及其用途

    公开(公告)号:US07405321B2

    公开(公告)日:2008-07-29

    申请号:US10558996

    申请日:2004-06-04

    CPC classification number: C07C69/54 C07C67/08

    Abstract: The present invention relates to novel (meth)acrylic esters of polyalkoxylated glycols of the formula where AO is independently at each instance is —O—CHR3-CHR4- or —CHR3-CHR4-O— where R3 and R4 are independently H, linear or branched C1-C8-alkyl, p1 is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, or 35, p2 is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, or 35, n is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 447, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, R1 and R2 are independently H or CH3, wherein there is at least one AO in (AO)p1 and also at least one AO in (AO)p2 where R3 and R4 are not both H at one and the same time, a simplified process for preparing these esters and use of reaction mixtures thus obtainable.

    Abstract translation: 本发明涉及下式的聚烷氧基化二醇的(甲基)丙烯酸酯:其中AO各自独立地为-O-CHR 3 -CHR 4 - 或-CHR 3 -CHR 4 -O-,其中R 3和R 4独立地为H,直链或 支链C 1 -C 8 - 烷基,p 1为1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21 ,22,23,24,25,26,27,28,29,30,31,32,33,34或35中,p2分别为1,2,3,4,5,6,7,8,9,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34或35, 10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34, 或35,n为1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23 ,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,447,48 ,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,,71,72,73 ,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98 ,99,100,R 1和R 2独立地为H或CH 3,其中存在至少一个AO (AO)p1和(AO)p2中的至少一个AO,其中R3和R4不同时为一个,一个简单的制备这些酯的方法和使用如此获得的反应混合物。

    Method for Producing Polymers
    43.
    发明申请
    Method for Producing Polymers 失效
    生产聚合物的方法

    公开(公告)号:US20080114140A1

    公开(公告)日:2008-05-15

    申请号:US10586203

    申请日:2005-01-18

    CPC classification number: C08F220/06

    Abstract: The invention relates to a method for producing polymers which contain (meth)acrylate salt units by radical polymerization of (meth)acrylate salt and optionally other monomers in an aqueous medium, using a supersaturated aqueous solution of (meth)acrylate salt. The highly concentrated reaction mixtures so obtained are characterized by a high solid content and increased space-time yield.

    Abstract translation: 本发明涉及通过使用(甲基)丙烯酸盐的过饱和水溶液在水性介质中使(甲基)丙烯酸酯盐和任选的其它单体进行自由基聚合,制备含有(甲基)丙烯酸盐盐单元的聚合物的方法。 如此获得的高度浓缩的反应混合物的特征在于高固体含量和增加的时空产率。

    Color-stable superabsorber
    46.
    发明授权
    Color-stable superabsorber 有权
    色稳超吸收器

    公开(公告)号:US08815770B2

    公开(公告)日:2014-08-26

    申请号:US13395051

    申请日:2010-09-14

    CPC classification number: C08K5/098 A61L2400/10 C08K5/0025 C08K5/005 C08L33/02

    Abstract: A superabsorbent produced by polymerizing a monomer mixture which comprises at least one ethylenically unsaturated monomer bearing at least one acid group, at least 0.1% by weight and at most 20% by weight, based on the total amount of ethylenically unsaturated monomers bearing at least one acid group (calculated as the free acid), of at least one alkaline earth metal salt (calculated without water of crystallization) selected from the salts of calcium, strontium or barium having been added before or during the polymerization and/or, if the polymerization is followed by a separate drying step, to the polymer before the drying, exhibits improved stability to discoloration in the course of storage under elevated temperatures and/or elevated air humidity.

    Abstract translation: 通过聚合单体混合物而制备的超吸收剂,其包含至少一种具有至少一个酸基团的烯键式不饱和单体,至少0.1重量%至多20重量%,基于具有至少一个 酸性基团(以游离酸计算)至少一种选自在聚合之前或聚合过程中加入的钙,锶或钡盐的碱土金属盐(不结晶水计算)和/或如果聚合 然后在干燥之前对聚合物进行单独的干燥步骤,在高温和/或高空气湿度下储存过程中显示改善的变色稳定性。

    Postcrosslinking of water-absorbing polymers
    47.
    发明授权
    Postcrosslinking of water-absorbing polymers 有权
    吸水聚合物的后交联

    公开(公告)号:US07981969B2

    公开(公告)日:2011-07-19

    申请号:US10588671

    申请日:2005-02-18

    CPC classification number: C08J3/245 C08F220/06 C08J2300/14

    Abstract: The invention concerns a process for producing water-absorbing polymer, which comprises a base polymer A being mixed with a first aqueous solution B of at least one surface postcrosslinker and a second aqueous solution C of at least one polyvalent cation and thermally treated, wherein said base polymer A is based on at least 50% neutralized acid-functional monomer and said solutions B and C are metered wholly or partly concurrently through separate nozzles whereby a water-absorbing polymer having a high saline flow conductivity value is obtained.

    Abstract translation: 本发明涉及一种生产吸水聚合物的方法,其包括将基础聚合物A与至少一个表面后交联剂的第一水溶液B和至少一种多价阳离子的第二水溶液C混合并进行热处理,其中所述 基础聚合物A基于至少50%中和的酸官能单体,并且所述溶液B和C通过单独的喷嘴全部或部分同时计量,从而获得具有高盐水流动电导率值的吸水聚合物。

    Fine-grained water-absorbent particles with a high fluid transport and absorption capacity
    49.
    发明授权
    Fine-grained water-absorbent particles with a high fluid transport and absorption capacity 有权
    具有高流体输送和吸收能力的细颗粒吸水颗粒

    公开(公告)号:US07759422B2

    公开(公告)日:2010-07-20

    申请号:US11665883

    申请日:2005-10-14

    CPC classification number: A61L15/60 C08L33/02

    Abstract: The invention relates to finely divided water-absorbing polymeric particles having high fluid transportation and absorption performance, the Centrifuge Retention Capacity (CRC) being not less than 26 g/g, the absorbency under a load of 4.83 kPa (AUL0.7 psi) not less than 23 g/g and the Transportation Value (TV) not less than 15,000 cm3s, the Transportation Value (TV) being the product of Saline Flow Conductivity (SFC) and wicking absorption after 60 minutes (DA60) multiplied by 107, and wherein the wicking absorption after 60 minutes (DA60) is the weight of 0.9% by weight sodium chloride solution absorbed by 70 g of the water-absorbing polymeric particles in 60 minutes, wherein the water-absorbing polymeric particles are situated, during measurement, in a circularly round vessel which has an internal diameter of 6 cm and is sealed at its lower end by a sieve base of 36 μm mesh size, and the sieve base is in atmospheric contact with 0.9% by weight sodium chloride solution, processes for their preparation and also their use in hygiene articles and packaging materials.

    Abstract translation: 本发明涉及具有高流体输送和吸收性能的细分散的吸水聚合物颗粒,离心保留容量(CRC)不小于26g / g,负荷4.83kPa(AUL0.7psi)下的吸收性不是 运输价值(TV)不小于15,000立方厘米,运输价值(TV)是盐水流动电导率(SFC)的乘积和60分钟后的吸液吸收(DA60)乘以107,其中 60分钟后的芯吸吸收(DA60)是在60分钟内由70g吸水性聚合物颗粒吸收的0.9重量%氯化钠溶液的重量,其中吸水聚合物颗粒在测量期间位于 内径6厘米的圆形圆形容器,其下端由36微米的筛孔尺寸的筛基密封,筛基与0.9重量%氯化钠溶液大气接触, 他们的准备以及在卫生用品和包装材料中的使用。

    Postcrosslinking of water absorbing polymers with cyclic carbamates and/or cyclic ureas
    50.
    发明授权
    Postcrosslinking of water absorbing polymers with cyclic carbamates and/or cyclic ureas 有权
    吸水聚合物与环状氨基甲酸酯和/或环脲的后交联

    公开(公告)号:US07655733B2

    公开(公告)日:2010-02-02

    申请号:US11630949

    申请日:2005-07-28

    CPC classification number: A61L15/60

    Abstract: Disclosed is a process for postcrosslinking a water absorbing polymer by the polymer being treated with at least one postcrosslinker and postcrosslinked and dried during or after the treatment by raising the temperature, the at least one postcrosslinker being a cyclic carbamate or a cyclic urea, wherein the cyclic carbamate or the cyclic urea was obtained by reacting respectively an aminoalcohol or a diamine with a cyclic carbonate.

    Abstract translation: 公开了一种通过用至少一种后交联剂处理的聚合物后交联吸水聚合物的方法,并且在处理期间或之后通过升高温度进行后交联和干燥,所述至少一种后交联剂是环状氨基甲酸酯或环脲,其中 通过使氨基醇或二胺与环状碳酸酯反应,得到环状氨基甲酸酯或环状脲。

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