(Meth)acrylic ester of alkenylene glycols and the use thereof
    6.
    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分类号: C07C69/54 C07C67/08

    摘要: 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.

    摘要翻译: 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。

    Foams made from water-absorbing, basic polymers, method for the production and utilization thereof
    7.
    发明申请
    Foams made from water-absorbing, basic polymers, method for the production and utilization thereof 有权
    由吸水性碱性聚合物制成的泡沫体,其生产和利用方法

    公开(公告)号:US20050070616A1

    公开(公告)日:2005-03-31

    申请号:US10502212

    申请日:2003-01-30

    摘要: Foams composed of water-absorbing basic polymers, obtainable by (I) foaming a crosslinkable aqueous mixture including (a) at least one basic polymer whose basic groups have optionally been neutralized, (b) at least one crosslinker, (c) at least one surfactant, (d) optionally at least one solubilizer, (e) optionally thickeners, foam stabilizers, fillers, fibers and/or cell nucleators, and (f) optionally particulate water-absorbing acidic polymers, by dissolving a gas which is inert toward free radicals in the crosslinkable aqueous mixture under a pressure from 2 to 400 bar and subsequently decompressing the crosslinkable aqueous mixture to atmospheric or by dispersing fine bubbles of a gas which is inert toward free radicals, and (II) crosslinking the foamed mixture to form a hydrogel foam and if applicable adjusting the water content of the polymer foam to 1-60% by weight. Preparation of the foams by application of the abovementioned measures (I) and (II) and use of the thus obtainable foams in hygiene articles to absorb body fluids, in dressing material to cover wounds, as a sealing material, as a packaging material, as a soil improver, as a soil substitute, to dewater sludges, to absorb aqueous acidic wastes, to thicken waterborne paints or coatings in the course of disposing of residual quantities thereof, to dewater water-containing oils or hydrocarbons or as a material for filters in ventilation systems.

    摘要翻译: 由吸水性碱性聚合物组成的泡沫体可通过(I)发泡可交联水性混合物得到,所述可交联水性混合物包括(a)至少一种碱性基团任选被中和的碱性聚合物,(b)至少一种交联剂,(c)至少一种 表面活性剂,(d)任选的至少一种增溶剂,(e)任选的增稠剂,泡沫稳定剂,填料,纤维和/或细胞成核剂,和(f)任选的颗粒状吸水性酸性聚合物, 在2至400巴的压力下在可交联水性混合物中的基团,随后将可交联的含水混合物减压至大气或通过分散对自由基呈惰性的气体的细小气泡,和(II)将发泡混合物交联以形成水凝胶 泡沫,如果适用,将聚合物泡沫的含水量调节至1-60重量%。 通过应用上述措施(I)和(II)制备泡沫体,并将如此获得的泡沫在卫生制品中的使用以吸收体液,在敷料中覆盖伤口作为密封材料作为包装材料,如 土壤改良剂,作为土壤替代物,去除污泥,吸收含水酸性废物,在处理剩余量的过程中加厚水性涂料或涂料,将含水油或碳氢化合物或用作过滤器的材料脱水 通风系统。

    Water-swellable hydrophilic polymers
    8.
    发明授权
    Water-swellable hydrophilic polymers 失效
    水溶胀性亲水聚合物

    公开(公告)号:US5684104A

    公开(公告)日:1997-11-04

    申请号:US687005

    申请日:1996-07-18

    摘要: Method for avoiding network defects due to unwanted secondary reactions during the polymerization in water-swellable hydrophilic polymers which contain polymers prepared by free radical (co)polymerization of one or more hydrophilic monomers of the formula I ##STR1## wherein R.sup.1 is hydrogen, methyl or ethyl, R.sup.2 is the group --COOR.sup.4, the sulphonyl group, the phosphonyl group, the phosphonyl group-esterified by (C.sub.1 -C.sub.4)-alkanol or a group of the formula ##STR2## R.sup.3 is hydrogen, methyl, ethyl or the carboxyl group, R.sup.4 is hydrogen, amino or hydroxy-(C.sub.1 -C.sub.4)-alkyl and R.sup.5 is the sulphonyl group, the phosphonyl group or the carboxyl group, or grafting (co)polymerization of one or more hydrophilic monomers of the formula I onto a grafting base, using a free radical initiator which forms three or more free radical sites per molecule.

    摘要翻译: 在水溶胀性亲水性聚合物中避免由于在聚合期间不期望的二次反应引起的网络缺陷的方法,其含有通过一种或多种式I的亲水性单体的自由基(共)聚合制备的聚合物,其中R 1是氢,甲基或 乙基,R 2为-COOR 4基团,磺酰基,膦酰基,被(C 1 -C 4) - 烷醇酯化的膦酰基或下式的基团是氢,甲基,乙基或羧基 ,R4是氢,氨基或羟基 - (C1-C4) - 烷基,R5是磺酰基,膦酰基或羧基,或一种或多种式I的亲水性单体接枝(共)聚合到接枝上 碱,使用每分子形成三个或更多个自由基位点的自由基引发剂。

    Production of a Water-Absorbing Resin to Which a Particulate Additive is Admixed
    10.
    发明申请
    Production of a Water-Absorbing Resin to Which a Particulate Additive is Admixed 有权
    混合颗粒添加剂的吸水树脂的生产

    公开(公告)号:US20080306209A1

    公开(公告)日:2008-12-11

    申请号:US12158502

    申请日:2006-12-28

    摘要: The invention relates to a process for producing a water-absorbing resin by polymerization of a reaction mixture comprising at least one hydrophilic monomer and, if appropriate, at least one crosslinker in a reactor, which comprises admixing the reaction mixture with at least one first portion of a particulate additive before the reaction mixture has reached a residence time of 40% of the overall residence time in the reactor and with at least one second portion of a particulate additive when the reaction mixture has reached a residence time of 45% or more of the overall residence time in the reactor, the additive being selected from water-absorbing resin powders, fillers and mixtures thereof, the total solids content of monomer and additive being in the range from 30% to 60% by weight, the amount of additive being in the range from 5% to 50% by weight, based on the monomers, and the weight ratio of the first portion to the second portion of the additive being in the range from 10:1 to 1:5. The resin powder is recycled fine-sized material for example. Not only the residual monomer content, specifically the residual crosslinker content, but also the level of extractables in the water-absorbing resin are reduced by the method of addition described. A high fraction of additives can be incorporated without the properties of the water-absorbing resin obtained being adversely affected. The additives enter a sufficiently firm bond with the resin, so that no excessive dusting occurs on exposure to mechanical stress.

    摘要翻译: 本发明涉及通过聚合包含至少一种亲水单体和如果合适的反应器中至少一种交联剂的反应混合物来生产吸水树脂的方法,其包括将反应混合物与至少一个第一部分 的反应混合物在反应混合物的停留时间达到总反应器停留时间的40%的停留时间和至少一个第二部分的颗粒状添加剂之前,当反应混合物达到45%或更多的停留时间时, 在反应器中的总停留时间,添加剂选自吸水树脂粉末,填料及其混合物,单体和添加剂的总固体含量在30重量%至60重量%的范围内,添加剂的量为 基于单体的5重量%至50重量%的范围,并且添加剂的第一部分与第二部分的重量比在10:1至 1:5。 树脂粉末是例如再循环的精细尺寸的材料。 通过所述的添加方法,不仅残留单体含量,特别是残留交联剂含量,而且吸水性树脂中的可萃取物的含量都降低。 可以并入高分数的添加剂,而不会对获得的吸水性树脂的性能产生不良影响。 添加剂与树脂进行足够牢固的粘合,使得在暴露于机械应力时不会发生过度的除尘。