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。

    Process for the preparation of stable water-in-oil emulsions of
hydrolyzed polymers of N-vinyl amides and the use thereof
    3.
    发明授权
    Process for the preparation of stable water-in-oil emulsions of hydrolyzed polymers of N-vinyl amides and the use thereof 失效
    N-乙烯基酰胺的水解聚合物的稳定的油包水乳液的制备方法及其用途

    公开(公告)号:US5739190A

    公开(公告)日:1998-04-14

    申请号:US737589

    申请日:1996-11-21

    摘要: A process for the preparation of a stable water-in-oil emulsion of a hydrolyzed polymer of an N-vinyl amide of the formula ##STR1## in which R and R.sup.1 denote H or C.sub.1 -C.sub.6 alkyl, by the polymerization of a compound of the formula I alone or in admixture with another ethylenically unsaturated monomer in the presence of a polymerization initiator and emulsifier in the form of a water-in-oil emulsion, to form a water-in-oil polymeric emulsion, followed by hydrolysis of the polymer in the form of the water-in-oil polymeric emulsion in the presence of an acid or base and from 1 to 30 wt %, based on the polymer, of an emulsifier, the emulsifier used being a mixture of (a) from 5 to 95 wt % of a block or graft copolymer of the structure (A-B)m, (A)-B or (B)-A, in which in each case (a) from 5 to 95 wt % of a block or graft copolymer of the structure (A-B).sub.m, (A).sub.n B or (B).sub.n A, in which in each case A is a hydrophobic homopolymer or copolymer having a degree of polymerization of at least 3, B is a hydrophilic homopolymer or copolymer having a degree of polymerization of at least 3, m is equal to or greater than 1, and n is equal to or greater than 2, and (b) from 5 to 95 wt % of another water-in-oil emulsifier having a molar mass below 1000 g/mol.

    摘要翻译: PCT No.PCT / EP95 / 01818 Sec。 371日期:1996年11月21日 102(e)日期1996年11月21日PCT提交1995年5月13日PCT公布。 公开号WO95 / 32227 PCT 日期:1995年11月30日制备式(I)的N-乙烯基酰胺的水解聚合物的稳定的油包水乳液的方法,其中R和R 1表示H或C 1 -C 6烷基 通过在聚合引发剂和油包水乳液形式的乳化剂的存在下单独或与另一种烯属不饱和单体的混合物聚合式I化合物,以形成油包水聚合物 乳液,然后在酸或碱的存在下以油包水型聚合物乳液的形式水解聚合物,并且基于聚合物为1至30重量%的乳化剂,所使用的乳化剂为 (a)5至95重量%的结构(AB)m,(A)-B或(B)-A的嵌段或接枝共聚物的混合物,其中在每种情况下(a)5至95重量% 结构(AB)m,(A)nB或(B)nA的嵌段或接枝共聚物的%,其中在每种情况下A是具有聚合度的疏水性均聚物或共聚物 至少3,B是具有至少3,m等于或大于1,n等于或大于2的聚合度的亲水均聚物或共聚物,和(b)5至95重量% 的另一种油包水乳化剂,其摩尔质量低于1000g / mol。

    Aqueous pigment slurries and their use in the production of
filler-containing paper
    4.
    发明授权
    Aqueous pigment slurries and their use in the production of filler-containing paper 失效
    水性颜料浆料及其在生产含填料纸中的应用

    公开(公告)号:US5695610A

    公开(公告)日:1997-12-09

    申请号:US612828

    申请日:1996-03-15

    CPC分类号: D21H17/56

    摘要: Aqueous pigment slurries which contain up to 80% by weight of a finely divided pigment in dispersed form and from 0.1 to 5% by weight of a water-soluble reaction product of (a) a polyamidoamine grafted with ethyleneimine and (b) a bifunctional or polyfunctional crosslinking agents which have a halohydrin, glycidyl, aziridine or isocyanate unit or a halogen atom as a functional group, the reaction product, in 25% strength by weight aqueous solution at 20.degree. C., having a viscosity of at least 100 mPa.s, are used as an additive to the paper stock in the production of filler-containing paper.

    摘要翻译: PCT No.PCT / EP94 / 03304 Sec。 371日期:1996年3月15日 102(e)1996年3月15日PCT 1994年10月6日PCT PCT。 出版物WO95 / 10662 日期:1995年04月20日水性颜料浆料含有高达80重量%的分散形式的细分散颜料和0.1至5重量%的(a)接枝乙烯亚胺和(a)的聚酰胺胺的水溶性反应产物, b)具有卤代醇,缩水甘油基,氮丙啶或异氰酸酯单元或卤素原子作为官能团的双官能或多官能交联剂,该反应产物在25℃下在25重量%的重量水溶液中具有粘度为 至少100mPa.s,用作在含有填料的纸的纸料中的添加剂。

    Polymers containing .beta.-hydroxyalkylvinylamine units, preparation and
use thereof
    5.
    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。