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1.发明授权Aqueous dispersions of hydrosoluble polymerisates of ethylenically unsaturated anionic monomers, method for the production and use thereof 失效烯键式不饱和阴离子单体的水溶性聚合物的水分散体，其制备方法和用途公开(公告)号：US07754804B2
公开(公告)日：2010-07-13
申请号：US10565772
申请日：2004-07-17
IPC分类号： C08F2/16
CPC分类号： C08F283/06 , C08F251/00 , C08F265/00 , C08F291/06 , C08F2/20
摘要： An aqueous dispersion of water-soluble polymers obtained by free radical polymerization of ethylenically unsaturated anionic monomers in an aqueous medium in the presence of a stabilizer, wherein the stabilizer comprises: (a) at least one water-soluble polymer selected from the group consisting of a graft polymer of vinyl acetate and/or vinyl propionate on polyethylene glycol, a polyethylene glycol blocked at one or both terminal groups with an alkyl, a carboxyl or an amino group, and a copolymer of alkyl polyalkylene glycol methacrylate and methacrylic acid; and (b) at least one water-soluble polymer selected from the group consisting of a hydrolyzed copolymer of vinyl alkyl ether and maleic anhydride in the form of free carboxyl groups or in the form of salts at least partially neutralized with one or more alkali metal hydroxides or one or more ammonium bases, a cationically modified potato starch, an anionically modified potato starch, a degraded potato starch and maltodextrin.
摘要翻译： 通过烯属不饱和阴离子单体在水性介质中在稳定剂存在下自由基聚合获得的水溶性聚合物的水分散体，其中所述稳定剂包括：（a）至少一种选自以下的水溶性聚合物： 乙酸乙烯酯和/或丙酸乙烯酯在聚乙二醇上的接枝聚合物，在一个或两个端基被烷基，羧基或氨基封端的聚乙二醇和烷基聚亚烷基二醇甲基丙烯酸酯和甲基丙烯酸的共聚物; 和（b）至少一种选自游离羧基形式的乙烯基烷基醚和马来酸酐的水解共聚物的水溶性聚合物或至少部分用一种或多种碱金属中和的盐形式 氢氧化物或一种或多种铵碱，阳离子改性马铃薯淀粉，阴离子改性马铃薯淀粉，降解马铃薯淀粉和麦芽糖糊精。
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2.发明申请Aqueous dispersions of hydrosoluble polymerisates of ethylenically unsaturated anionic monomers, method for the production and use thereof 失效烯键式不饱和阴离子单体的水溶性聚合物的水分散体，其制备方法和用途公开(公告)号：US20070117903A1
公开(公告)日：2007-05-24
申请号：US10565772
申请日：2004-07-17
IPC分类号： C08L9/00
CPC分类号： C08F283/06 , C08F251/00 , C08F265/00 , C08F291/06 , C08F2/20
摘要： Aqueous dispersions of water-soluble polymers of ethylenically unsaturated anionic monomers are obtainable by free radical polymerization of the monomers in an aqueous medium in the presence of at least one stabilizer, the polymerization being carried out in the presence of at least one water-soluble polymer of the groups consisting of (a) graft polymers of vinyl acetate and/or vinyl propionate on polyethylene glycols, polyethylene glycols blocked at one or both terminal groups with alkyl, carboxyl or amino groups, copolymers of alkyl polyalkylene glycol acrylates or alkyl polyalkylene glycol methacrylates and acrylic acid and/or methacrylic acid, polyalkylene glycols, polyalkylene glycols blocked at one or both terminal groups with alkyl, carboxyl or amino groups, and (b) hydrolyzed copolymers of vinyl alkyl ethers and maleic anhydride in the form of the free carboxyl groups and in the form of the salts at least partly neutralized with alkali metal hydroxides or ammonium bases, and/or of water-soluble starch from the group consisting of cationically modified potato starch, anionically modified potato starch, degraded potato starch and maltodextrin as a stabilizer, said aqueous dispersions are prepared by free radical polymerization of the monomers in an aqueous medium in the presence of the abovementioned water-soluble polymers of the groups (a) and (b) and said aqueous dispersions are used as thickeners for aqueous systems.
摘要翻译： 烯键式不饱和阴离子单体的水溶性聚合物的水分散体可通过在至少一种稳定剂存在下在水性介质中单体自由基聚合而获得，聚合在至少一种水溶性聚合物存在下进行 由（a）乙酸乙烯酯和/或丙酸乙烯酯在聚乙二醇上的接枝聚合物，在一个或两个末端用烷基，羧基或氨基封端的聚乙二醇，烷基聚亚烷基二醇丙烯酸酯或烷基聚亚烷基二醇甲基丙烯酸酯的共聚物 和丙烯酸和/或甲基丙烯酸，聚亚烷基二醇，在一个或两个端基用烷基，羧基或氨基封闭的聚亚烷基二醇，和（b）游离羧基形式的乙烯基烷基醚和马来酸酐的水解共聚物 和至少部分用碱金属氢氧化物或铵碱中和的盐的形式，和/或 由阳离子改性马铃薯淀粉，阴离子改性马铃薯淀粉，降解马铃薯淀粉和麦芽糖糊精作为稳定剂组成的组中的水溶性淀粉，所述水性分散体是通过单体在含水介质中的存在下的自由基聚合制备的 上述（a）和（b）组的水溶性聚合物和所述水分散体用作含水体系的增稠剂。
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公开(公告)号：US20080194753A1
公开(公告)日：2008-08-14
申请号：US11914242
申请日：2006-05-17
IPC分类号： C08F2/08
CPC分类号： C08L53/00 , C08F2/24 , C08F2/44 , C08F265/04 , C08F283/06 , C08F285/00 , C08F291/00 , C08L51/003 , C08L51/006 , C08L71/02 , C09D7/43 , C09D133/14 , C09D151/003 , C09D151/006 , C09D153/00 , C08L2666/02 , C08L2666/24
摘要： An aqueous dispersion of water-soluble and/or water-swellable anionic polymers which are obtainable by free radical polymerization of ethylenically unsaturated, anionic monomers in an aqueous medium in the presence of at least one stabilizer, the polymerization being carried out in the presence of at least one water-soluble polymer of the groups consisting of (a) graft polymers of vinyl acetate and/or vinyl propionate on (i) polyethylene glycols or (ii) polyethylene glycols or polypropylene glycols endcapped at one or both ends with alkyl, carboxyl or amino groups, polyalkylene glycols, polyalkylene glycols endcapped at one or both ends with alkyl, carboxyl or amino groups and (b) water-soluble copolymers from the group consisting of homo- and copolymers of anionic monomers, copolymers of anionic and cationic and, if appropriate, neutral monomers, the proportion of the anionic monomers incorporated in the form of polymerized units being greater than that of cationic monomers and copolymers of at least one anionic monomer and at least one monomer from the group consisting of the esters of anionic monomers with monohydric alcohols, styrene, N-vinylpyrrolidone, N-vinylcaprolactam, N-vinylimidazole, N-vinylformamide, acrylamide, methacrylamide, vinyl acetate and vinyl propionate as a stabilizer, processes for the preparation of the aqueous dispersions by free radical polymerization of ethylenically unsaturated, anionic monomers in an aqueous medium in the presence of a stabilizer of the abovementioned groups (a) and (b) and use of the aqueous dispersions as thickeners for paper coating slips, pigment print pastes, print pastes for transfer printing, dispersion printing, printing with acid and metal complex dyes, reactive printing and vat printing, for tertiary mineral oil production, for consolidating nonwovens, for water-based paints, pharmaceutical products, dental compounds, agrochemicals and extinguishing agents and as coating materials and as an additive in detergents and cleaning agents.
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