Aqueous dispersions of water-soluble polymers of N-vinyl carboxylic acid amides, method for the production and use thereof
    1.
    发明授权
    Aqueous dispersions of water-soluble polymers of N-vinyl carboxylic acid amides, method for the production and use thereof 有权
    N-乙烯基羧酸酰胺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:US07034068B1

    公开(公告)日:2006-04-25

    申请号:US09830566

    申请日:1999-10-30

    IPC分类号: C08L29/04

    摘要: Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides contain, based on 100 parts of water, (A) from 5 to 80 parts by weight of water-soluble polymer containing N-vinylformamide units and/or N-vinylacetamide units and having particle sizes of from 50 nm to 2 μm and (B) from 1 to 50 parts by weight of at least one polymeric dispersant which is incompatible with the water-soluble polymers (A) in aqueous solution, which dispersions are prepared by polymerizing (A) from 5 to 80 parts by weight of N-vinylformamide and/or N-vinylacetamide, if desired together with other monoethylenically unsaturated monomers which form water-soluble polymers therewith, and (B) from 1 to 50 parts by weight of at least one polymeric dispersant which is incompatible with the polymers, formed from the monomers (A), in aqueous solution, in 100 parts by weight of water, at from 30 to 95° C. in the presence of from 0.001 to 5.0% by weight, based on the monomers used, and the aqueous dispersions of water-soluble polymers are used as drainage aids, flocculants and retention aids and as wet and dry strength agents and as fixing compositions in papermaking.

    摘要翻译: N-乙烯基甲酰胺的水溶性聚合物的水性分散体含有100份水,(A)5至80份(重量)含有N-乙烯基甲酰胺单元和/或N-乙烯基乙酰胺单元的水溶性聚合物,并具有颗粒 至少一种与水溶液中的水溶性聚合物(A)不相容的至少一种聚合物分散剂,(B)通过聚合(A)制备该分散体, 5至80重量份的N-乙烯基甲酰胺和/或N-乙烯基乙酰胺,如果需要,与其中形成水溶性聚合物的其它单烯属不饱和单体一起,和(B)1至50重量份的至少一种聚合物 在100重量份水中,由单体(A)在水溶液中形成的与聚合物不相容的分散剂,在30至95℃,基于0.001至5.0重量%的存在下,基于 使用的单体和水分散体 水溶性聚合物被用作排水助剂,絮凝剂和助留剂以及湿和干强度剂和造纸中的固定组合物。

    Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides, their preparation and their use
    2.
    发明申请
    Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides, their preparation and their use 有权
    N-乙烯基甲酰胺的水溶性聚合物的水分散体及其制备及其用途

    公开(公告)号:US20060116448A1

    公开(公告)日:2006-06-01

    申请号:US11328171

    申请日:2006-01-10

    IPC分类号: D21H19/60

    摘要: Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides contain, based on 100 parts of water, (A) from 5 to 80 parts by weight of water-soluble polymer containing N-vinylformamide units and/or N-vinylacetamide units and having particle sizes of from 50 nm to 2 μm and (B) from 1 to 50 parts by weight of at least one polymeric dispersant which is incompatible with the water-soluble polymers (A) in aqueous solution, which dispersions are prepared by polymerizing (A) from 5 to 80 parts by weight of N-vinylformamide and/or N-vinylacetamide, if desired together with other monoethylenically unsaturated monomers which form water-soluble polymers therewith, and (B) from 1 to 50 parts by weight of at least one polymeric dispersant which is incompatible with the polymers, formed from the monomers (A), in aqueous solution, in 100 parts by weight of water, at from 30 to 95° C. in the presence of from 0.001 to 5.0% by weight, based on the monomers used, and the aqueous dispersions of water-soluble polymers are used as drainage aids, flocculants and retention aids and as wet and dry strength agents and as fixing compositions in papermaking.

    摘要翻译: N-乙烯基甲酰胺的水溶性聚合物的水性分散体含有100份水,(A)5至80份(重量)含有N-乙烯基甲酰胺单元和/或N-乙烯基乙酰胺单元的水溶性聚合物,并具有颗粒 至少一种与水溶液中的水溶性聚合物(A)不相容的至少一种聚合物分散剂,(B)通过聚合(A)制备该分散体, 5至80重量份的N-乙烯基甲酰胺和/或N-乙烯基乙酰胺,如果需要,与其中形成水溶性聚合物的其它单烯属不饱和单体一起,和(B)1至50重量份的至少一种聚合物 在100重量份水中,由单体(A)在水溶液中形成的与聚合物不相容的分散剂,在30至95℃,基于0.001至5.0重量%的存在下,基于 使用的单体和水分散体 水溶性聚合物被用作排水助剂,絮凝剂和助留剂以及湿和干强度剂和造纸中的固定组合物。

    Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides, their preparation and their use
    3.
    发明授权
    Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides, their preparation and their use 有权
    N-乙烯基甲酰胺的水溶性聚合物的水分散体及其制备及其用途

    公开(公告)号:US07297733B2

    公开(公告)日:2007-11-20

    申请号:US11328171

    申请日:2006-01-10

    IPC分类号: C08L29/04 C08L89/00

    摘要: Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides contain, based on 100 parts of water, (A) from 5 to 80 parts by weight of water-soluble polymer containing N-vinylformamide units and/or N-vinylacetamide units and having particle sizes of from 50 nm to 2 μm and (B) from 1 to 50 parts by weight of at least one polymeric dispersant which is incompatible with the water-soluble polymers (A) in aqueous solution, which dispersions are prepared by polymerizing (A) from 5 to 80 parts by weight of N-vinylformamide and/or N-vinylacetamide, if desired together with other monoethylenically unsaturated monomers which form water-soluble polymers therewith, and (B) from 1 to 50 parts by weight of at least one polymeric dispersant which is incompatible with the polymers, formed from the monomers (A), in aqueous solution, in 100 parts by weight of water, at from 30 to 95° C. in the presence of from 0.001 to 5.0% by weight, based on the monomers used, and the aqueous dispersions of water-soluble polymers are used as drainage aids, flocculants and retention aids and as wet and dry strength agents and as fixing compositions in papermaking.

    摘要翻译: N-乙烯基甲酰胺的水溶性聚合物的水性分散体含有100份水,(A)5至80份(重量)含有N-乙烯基甲酰胺单元和/或N-乙烯基乙酰胺单元的水溶性聚合物,并具有颗粒 至少一种与水溶液中的水溶性聚合物(A)不相容的至少一种聚合物分散剂,(B)通过聚合(A)制备该分散体, 5至80重量份的N-乙烯基甲酰胺和/或N-乙烯基乙酰胺,如果需要,与其中形成水溶性聚合物的其它单烯属不饱和单体一起,和(B)1至50重量份的至少一种聚合物 在100重量份水中,由单体(A)在水溶液中形成的与聚合物不相容的分散剂,在30至95℃,基于0.001至5.0重量%的存在下,基于 使用的单体和水分散体 水溶性聚合物被用作排水助剂,絮凝剂和助留剂以及湿和干强度剂和造纸中的固定组合物。

    Use of water-soluble polymers as biocides
    5.
    发明授权
    Use of water-soluble polymers as biocides 失效
    使用水溶性聚合物作为杀生物剂

    公开(公告)号:US06458348B1

    公开(公告)日:2002-10-01

    申请号:US09508001

    申请日:2000-03-07

    IPC分类号: A01N3718

    摘要: The use of polymers comprising as essential structural elements units of the formula I and/or II in which R1 is H, alkyl, cycloalkyl, aryl or aralkyl, R2 and R3 independently of one another are defined as for R1 or are selected from substituted alkyl, substituted cycloalkyl, substituted aryl or substituted aralkyl, the substituents being selected from OH, O-alkyl, O-aryl, SH, S-alkyl, S-aryl, NH2, NH-alkyl, NH-aryl, N(alkyl)2, in protonated form if desired, N(alkyl)3+Z31 , where Z is the radical of an organic or inorganic acid, COOH, COO-alkyl, CONH2, CONH-alkyl, CON(alkyl)2, CN and SO3H; and the indices x in each case independently of one another are an integer from 1 to 20, and their corresponding acid addition salts as biocides.

    摘要翻译: 使用包含作为基本结构单元的式I和/或IIin的单元,其中R 1为H,烷基,环烷基,芳基或芳烷基,R 2和R 3彼此独立地为R 1或选自取代的烷基,取代的 环烷基,取代的芳基或取代的芳烷基,取代基选自OH,O-烷基,O-芳基,SH,S-烷基,S-芳基,NH 2,NH-烷基,NH-芳基,N(烷基) 其中Z是有机或无机酸的基团,COOH,COO-烷基,CONH 2,CONH-烷基,CON(烷基)2,CN和SO 3 H; 并且每种情况下的指数x彼此独立地为1至20的整数,并且其相应的酸加成盐作为杀生物剂。

    Method for eliminating formamide from polymerizates containing n-vinyl formamide units
    6.
    发明授权
    Method for eliminating formamide from polymerizates containing n-vinyl formamide units 有权
    从含有N-乙烯基甲酰胺单元的聚合物中消除甲酰胺的方法

    公开(公告)号:US06541573B1

    公开(公告)日:2003-04-01

    申请号:US09762397

    申请日:2001-02-07

    IPC分类号: C08F600

    CPC分类号: C08F6/006 C08L39/00

    摘要: A process for the elimination of formamide from polymers containing N-vinylformamide units involves treating formamide-containing polymers with from 1 to 2 mol-equivalents of an acid or a base, based on 1 mol-equivalent of formamide, under reaction conditions such that the N-vinylformamide units in the polymer undergo virtually no hydrolysis.

    摘要翻译: 从含有N-乙烯基甲酰胺单元的聚合物中消除甲酰胺的方法涉及在反应条件下,以1mol当量的甲酰胺,1至2mol当量的酸或碱处理含甲酰胺的聚合物, 聚合物中的N-乙烯基甲酰胺单元几乎没有水解。

    Method for producing paper, paperboard and cardboard using an uncrosslinked fixing agent during paper stock draining
    8.
    发明授权
    Method for producing paper, paperboard and cardboard using an uncrosslinked fixing agent during paper stock draining 有权
    纸张排水期间使用未交联固定剂生产纸,纸板和纸板的方法

    公开(公告)号:US06576086B1

    公开(公告)日:2003-06-10

    申请号:US09403769

    申请日:1999-11-02

    IPC分类号: D21C2110

    摘要: Paper, board and cardboard are produced by draining paper stock containing interfering substances in the presence of fixing agents by a process in which the fixing agents used are reaction products which are obtainable by reacting amino- and/or ammonium-containing polymers selected from the group consisting of the polymers containing vinylamine units polyalkylene polyamines polyamidoamines ethyleneimine-grafted polyamidoamines which may be crosslinked, polydiallyldimethylammonium chlorides polymers containing dialkylaminoalkylacrylamide units or dialkylaminoalkylmethacrylamide units and polyallylamines and dicyandiamide and formaldehyde condensates with reactive sizes for paper in a weight ratio of polymer to reactive size of from 15,000:1 to 1:1, and the reaction products thus obtainable are used as fixing agents for water-soluble and for water-insoluble interfering substances in the production of paper, board and cardboard from paper stocks containing interfering substances.

    摘要翻译: 纸,纸板和纸板是通过在固定剂存在下排出含有干扰物质的纸原料而制备的,其中所用的固定剂是通过使选自下组的氨基和/或含铵聚合物反应获得的反应产物 由聚合物单体聚亚烷基多胺聚酰氨基亚胺亚甲基亚胺接枝的聚酰氨基胺,其可以是交联的,含二烷基氨基烷基丙烯酰胺单元或二烷基氨基烷基甲基丙烯酰胺单元的聚二烯丙基二甲基氯化铵聚合物和聚烯丙基胺和双氰胺和甲醛缩合物,聚合物与反应性大小的重量比为15,000:1至1:1 ,由此可得到的反应产物用作纸,纸板和纸板的水溶性固定剂和含有干扰物质的纸料的水不溶性干扰物质。

    Aqueous dispersions of water-soluble polymers of N-vinyl carboxylic acid amides, method for the production thereof and their use
    9.
    发明授权
    Aqueous dispersions of water-soluble polymers of N-vinyl carboxylic acid amides, method for the production thereof and their use 失效
    N-乙烯基羧酸酰胺的水溶性聚合物的水分散体,其制造方法及其用途

    公开(公告)号:US07084200B2

    公开(公告)日:2006-08-01

    申请号:US10495111

    申请日:2002-11-19

    IPC分类号: C08F2/16 C08L11/02

    摘要: Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides, which contain, as a stabilizer, water-soluble, crosslinked graft polymers which are obtainable by free radical polymerization of compounds having at least two ethylenically unsaturated double bonds in the presence of polyalkylene glycols, are prepared by free radical polymerization of N-vinylcarboxamides in an aqueous medium in the presence of said stabilizers and are used as drainage aids, flocculants and retention aids, as wet and dry strength agents and as fixing agents in papermaking.

    摘要翻译: N-乙烯基甲酰胺的水溶性聚合物的水分散体,其含有作为稳定剂的水溶性交联接枝聚合物,其可通过在聚亚烷基二醇存在下具有至少两个烯属不饱和双键的化合物的自由基聚合而获得, 通过在所述稳定剂的存在下在水性介质中的N-乙烯基甲酰胺的自由基聚合制备,并且作为湿法和干燥强度剂以及作为造纸中的固定剂用作排水助剂,絮凝剂和助留剂。

    Production of paper, board and cardboard
    10.
    发明申请
    Production of paper, board and cardboard 失效
    生产纸张,纸板和纸板

    公开(公告)号:US20050247420A1

    公开(公告)日:2005-11-10

    申请号:US10523417

    申请日:2003-07-23

    摘要: Paper, board and cardboard are produced by shearing the paper stock, adding a microparticle system comprising a cationic polymer and a finely divided inorganic component to the paper stock after the last shearing stage before the head box, draining the paper stock with sheet formation and drying the sheets, by a process in which cationic polyacrylamides, polymers containing vinylamine units and/or polydiallyldimethylammonium chloride having an average molar mass Mw of in each case at least 500 000 Dalton and a charge density of in each case not more than 4.0 meq/g are used as cationic polymers of the microparticle system.

    摘要翻译: 纸,纸板和纸板是通过剪切纸原料制成的,在头箱前的最后剪切阶段之后,将含有阳离子聚合物和细碎无机成分的微粒体系添加到纸料中,将纸料排出并形成干燥 通过其中阳离子聚丙烯酰胺,含有乙烯胺单元的聚合物和/或聚二烯丙基二甲基氯化铵的平均摩尔质量Mw在每种情况下至少为500000道尔顿,电荷密度在每种情况下不超过4.0meq / g的方法, 用作微粒系统的阳离子聚合物。