Graft polymers of polymers containing vinyl ester and/or vinyl alcohol
units and ethylenically unsaturated compounds, their preparation and
their use
    2.
    发明授权
    Graft polymers of polymers containing vinyl ester and/or vinyl alcohol units and ethylenically unsaturated compounds, their preparation and their use 失效
    含有乙烯基酯和/或乙烯醇单元和烯键式不饱和化合物的聚合物的接枝聚合物,其制备及其应用

    公开(公告)号:US6060566A

    公开(公告)日:2000-05-09

    申请号:US983141

    申请日:1998-01-21

    摘要: Graft polymers are obtainable by free radical polymerization of(A) monomers or monomer mixtures comprising(a) from 1 to 100% by weight of N-vinylcarboxamides of the formula ##STR1## where R.sup.1 and R.sup.2 are each H or C.sub.1 -C.sub.6 -alkyl, (b) from 0 to 99% by weight of other monoethylenically unsaturated monomers copolymerizable with the monomers (a) and(c) from 0 to 5% by weight of monomers having at least two ethylenically unsaturated, nonconjugated double bonds in the molecule,in the presence of(B) polymers which contain units of vinyl esters of saturated C.sub.1 -C.sub.4 -carboxylic acids and/or vinyl alcohol units, or of mixtures which contain these polymers and polymers having at least 3 alkylene oxide units or polytetrahydrofuran,in a weight ratio (A):(B) of from 95:5 to 10:90 and, if required, subsequent elimination of the group ##STR2## from the polymerized monomers (I) of the graft polymer with formation of units of the formula ##STR3## and the graft polymers described above are used in the production of paper, board and cardboard as dry and wet strength agents, as retention and drainage aids and as promoters in diketene sizing and as starch cationization agents, as dispersants for pigments and as creping assistants in the production of tissue papers.

    摘要翻译: PCT No.PCT / EP96 / 02991 Sec。 371日期1998年1月21日 102(e)1998年1月21日PCT PCT 1996年7月9日PCT公布。 第WO97 / 04014号公报 日期1997年2月6日通过(A)单体或单体混合物的自由基聚合获得接枝聚合物,所述单体或单体混合物包含(a)1至100重量%的下式的N-乙烯基甲酰胺其中R 1和R 2各自为H或C 1 -C 6 - 烷基,(b)0至99重量%的可与单体(a)和(c)共聚的其它单烯属不饱和单体,0至5重量%的具有至少两个烯属不饱和的非共轭双键的单体 分子,在(B)包含饱和C 1 -C 4羧酸和/或乙烯醇单元的乙烯基酯单元的聚合物存在下,或包含这些聚合物和具有至少3个烯化氧单元或聚四氢呋喃的聚合物的混合物的存在下, 在95:5至10:90的重量比(A):(B))中,如果需要,随后从形成下式的单元的接枝聚合物的聚合单体(I)中除去该基团, 上述接枝聚合物用于制备 纸,纸板和纸板作为干和湿强度剂,作为保留和引流助剂以及作为二烯酮上浆和淀粉阳离子化剂的促进剂,作为颜料的分散剂和用于生产薄纸的起皱助剂。

    Polymers containing .beta.-hydroxyalkylvinylamine units, preparation and
use thereof
    6.
    发明授权
    Polymers containing .beta.-hydroxyalkylvinylamine units, preparation and use thereof 失效
    含有β-羟基烷基乙烯基胺单元的聚合物,其制备和应用

    公开(公告)号:US6057404A

    公开(公告)日:2000-05-02

    申请号:US91842

    申请日:1998-07-01

    CPC分类号: D21H21/10 C08F8/00

    摘要: Polymers containing .beta.-hydroxyalkylvinylamine units, which are obtainable by reacting polymers containing vinylamine units with epoxides of the formula ##STR1## where R=C.sub.2 -C.sub.28 -alkyl, phenyl, C.sub.1 -C.sub.18 -alkylphenyl or C.sub.2 -C.sub.18 -alkenyl, are described, as are a process for preparing the polymers and use of the polymers as retention and drainage aids and flocculants and as fixatives in paper making, as protective colloid for producing alkyldiketene dispersions or alkenylsuccinic anhydride dispersions, as emulsifier for producing aqueous filler suspensions and as corrosion inhibitor.

    摘要翻译: PCT No.PCT / EP97 / 02251 Sec。 371日期:1998年7月1日 102(e)日期1998年7月1日PCT提交1997年5月2日PCT公布。 出版物WO97 / 42229 日期:1997年11月13日含有乙烯胺单元的聚合物与下式的环氧化物反应得到的含有β-羟烷基乙烯基胺单元的聚合物其中R = C 2 -C 28 - 烷基,苯基,C 1 -C 18 - 烷基苯基或C 2 -C 18 - 烯基是 描述了聚合物的制备方法以及聚合物作为制备中的保留和引流助剂和絮凝剂和固定剂的用途,作为用于制备烷基二乙烯基分散体或烯基琥珀酸酐分散体的保护胶体,作为用于生产含水填料悬浮液的乳化剂和 腐蚀抑制剂。

    Process for Production of Polymer Powders Containing Vinylformamide Units
    7.
    发明申请
    Process for Production of Polymer Powders Containing Vinylformamide Units 有权
    含有乙烯基甲酰胺单元的聚合物粉末的生产工艺

    公开(公告)号:US20080319150A1

    公开(公告)日:2008-12-25

    申请号:US12090366

    申请日:2006-10-27

    IPC分类号: C08F20/54

    CPC分类号: C08F226/02

    摘要: A process for producing a polymer powder comprising vinylformamide units by free radical polymerization of an aqueous solution of N-vinylformamide and if appropriate other monomers and drying the polymer which comprises an aqueous monomer solution comprising N-vinylformamide and at least one polymerization initiator being spray dispensed as an aerosol or dropletized at the top of a heatable tower-shaped reactor, then polymerizing the aerosol or droplets in an inert gas atmosphere to form a finely divided solid and discharging the finely divided polymer from the reactor.

    摘要翻译: 一种制备包含乙烯基甲酰胺单元的聚合物粉末的方法,其通过N-乙烯基甲酰胺水溶液的自由基聚合和如果合适的其它单体和干燥包含含有N-乙烯基甲酰胺和至少一种聚合引发剂的单体水溶液的聚合物被喷雾分配 作为气雾剂或在可加热的塔状反应器的顶部液滴化,然后在惰性气体气氛中聚合气溶胶或液滴以形成细碎的固体并从细胞中排出细碎的聚合物。

    METHOD FOR PRODUCING HIGH DRY STRENGTH PAPER, PAPERBOARD OR CARDBOARD
    8.
    发明申请
    METHOD FOR PRODUCING HIGH DRY STRENGTH PAPER, PAPERBOARD OR CARDBOARD 有权
    生产高强度纸张,纸板或纸板的方法

    公开(公告)号:US20090145566A1

    公开(公告)日:2009-06-11

    申请号:US11719826

    申请日:2005-11-21

    IPC分类号: D21H17/34

    摘要: The invention relates to a process for producing paper, board and cardboard of high dry strength by separately adding a polymer comprising vinylamine units and a polymeric anionic compound to a paper pulp, dewatering the pulp and drying the paper products, which comprises using as polymeric anionic compound at least one copolymer obtainable by copolymerizing (a) at least one N-vinylcarboxamide of the formula in which R1 and R2 are H or C1- to C6 alkyl, (b) at least one monoethylenically unsaturated monomer comprising acid groups, and/or the alkali metal, alkaline earth metal or ammonium salts thereof, and if appropriate (c) other monoethylenically unsaturated monomers, and if appropriate (d) compounds having at least two ethylenically unsaturated double bonds in their molecule.

    摘要翻译: 本发明涉及通过将包含乙烯胺单元和聚合阴离子化合物的聚合物分别加入到纸浆中,使纸浆脱水和干燥纸产品来生产高干燥强度的纸,纸板和纸板的方法,其包括使用聚合阴离子 通过共聚合(a)至少一种下式的N-乙烯基甲酰胺,其中R 1和R 2是H或C 1 -C 6烷基,(b)至少一种包含酸基的单烯属不饱和单体和/或 (c)其它单烯属不饱和单体,如果合适的话(d)在其分子中具有至少两个烯属不饱和双键的化合物。

    Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides, their preparation and their use
    9.
    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。