公开(公告)号：US5630907A

公开(公告)日：1997-05-20

申请号：US651655

申请日：1996-05-21

申请人： Claudia Nilz ,  Walter Denzinger ,  Heinrich Hartmann ,  Michael Kroener ,  Friedrich Linhart ,  Rudolf Schuhmacher ,  Dietmar Moench ,  Andreas Stange

发明人： Claudia Nilz ,  Walter Denzinger ,  Heinrich Hartmann ,  Michael Kroener ,  Friedrich Linhart ,  Rudolf Schuhmacher ,  Dietmar Moench ,  Andreas Stange

IPC分类号： C08F8/12 ,  D21H21/10

CPC分类号： C08F8/12 ,  C08J5/18 ,  C08F2810/50

摘要： Copolymers which are obtained by copolymerization ofa) from 5 to 99 mol % of N-vinylcarboxamides,b) from 95 to 1 mol % of monoethylenically unsaturated carboxylic acids and/or the alkali metal, alkaline earth metal, ammonium or amine salts thereof, and if required,c) up to 30 mol % of other monoethylenically unsaturated compounds, and if required,d) up to 2 mol % of crosslinking agents,and subsequent partial or complete elimination of the acyl groups from the N-vinylcarboxamides polymerized in the copolymer, with formation of amino or ammonium groups, are used as additives to paper stock for increasing the drainage rate and the retention in papermaking, and the dry and wet strength of the paper.

摘要翻译： 通过a）5〜99摩尔％的N-乙烯基酰胺共聚得到的共聚物，b）95〜1摩尔％的单烯属不饱和羧酸和/或其碱金属，碱土金属，铵或胺盐， 并且如果需要，c）至多30mol％的其它单烯键式不饱和化合物，如果需要，d）最多达2mol％的交联剂，随后部分或完全消除由乙烯基酰胺聚合的N-乙烯基酰胺 共聚物，形成氨基或铵基，被用作纸浆的添加剂，以增加造纸中的排水速率和保留性，以及纸的干和湿强度。

公开(公告)号：US4940514A

公开(公告)日：1990-07-10

申请号：US223334

申请日：1988-07-25

申请人： Andreas Stange ,  Hans-Juergen Degen ,  Werner Auhorn ,  Volkmar Weberndoerfer ,  Michael Kroener ,  Heinrich Hartmann

发明人： Andreas Stange ,  Hans-Juergen Degen ,  Werner Auhorn ,  Volkmar Weberndoerfer ,  Michael Kroener ,  Heinrich Hartmann

IPC分类号： D21H17/34 ,  D21H17/28 ,  D21H17/45 ,  D21H21/18

CPC分类号： D21H17/28 ,  D21H17/455 ,  D21H21/18

摘要： Paper, board, and cardboard having high dry strength are made by adding to the paper stock a dry strength agent which is obtainable by mixing enzymatically digested starch having a viscosity of from 20 to 2,000 mPa.s (measured in 7.5% strength aqueous solution at 45.degree. C.) and a cationic polymer which contains, as typical copolymerized monomers,(a) diallyldimethylammonium chloride,(b) N-vinylamine or(c) an unsubstituted or substituted N-vinylimidazoline, the K value of the cationic polymer in each case being not less than 30, and draining the paper stock with sheet formation.

摘要翻译： 具有高干燥强度的纸，纸板和纸板通过向纸料中加入干强度剂来制备，该干燥强度剂可通过将粘度为20至2,000mPa.s的酶促消化淀粉（在7.5％强度水溶液中测量 45℃）和含有（a）二烯丙基二甲基氯化铵，（b）N-乙烯胺或（c）未取代或取代的N-乙烯基咪唑啉的典型共聚单体的阳离子聚合物，每个阳离子聚合物的K值 情况不小于30，并排纸成纸。

公开(公告)号：US6114435A

公开(公告)日：2000-09-05

申请号：US716280

申请日：1996-09-30

申请人： Claudia Nilz ,  Manfred Winter ,  Michael Kroner ,  Andreas Stange ,  Rudolf Schuhmacher

发明人： Claudia Nilz ,  Manfred Winter ,  Michael Kroner ,  Andreas Stange ,  Rudolf Schuhmacher

IPC分类号： C08F8/12 ,  D21H17/34 ,  D21H21/18 ,  D21H21/20 ,  C08L39/02

CPC分类号： D21H21/20 ,  C08F8/12 ,  D21H17/34 ,  D21H21/18 ,  C08F2800/20

摘要： Solutions of polymers containing vinylamine units, which solutions have a long shelf life, are prepared by hydrolyzing polymers containing N-vinylcarboxamide units with acids in an aqueous medium and removing the carboxylic acids eliminated from the polymers as esters from the aqueous polymer solution after the hydrolysis by adding at least stoichiometric amounts of at least one C.sub.1 -C.sub.6 -alcohol and distilling off the esters from the reaction mixture, and said aqueous solutions are used as dry and wet strength agents in papermaking.

摘要翻译： PCT No.PCT / EP95 / 01030 Sec。 371日期1996年9月30日 102（e）1996年9月30日PCT PCT 1995年3月20日PCT公布。 公开号WO95 / 26989 日期1995年10月12日含有乙烯基胺单元的聚合物的溶液具有长的保存期限，其通过在水性介质中水解含有N-乙烯基甲酰胺单元的聚合物和酸从聚合物中除去作为酯的羧酸从水溶液 通过加入至少一种化学计量的至少一种C 1 -C 6醇并从反应混合物中蒸馏出酯，水解后的聚合物溶液，并将所述水溶液用作造纸中的干和湿强度剂。

公开(公告)号：US5578678A

公开(公告)日：1996-11-26

申请号：US229636

申请日：1994-04-19

申请人： Heinrich Hartmann ,  Walter Denzinger ,  Michael Kroener ,  Claudia Nilz ,  Friedrich Linhart ,  Andreas Stange

发明人： Heinrich Hartmann ,  Walter Denzinger ,  Michael Kroener ,  Claudia Nilz ,  Friedrich Linhart ,  Andreas Stange

IPC分类号： C08F251/02 ,  C08F251/00 ,  D21H17/34 ,  D21H17/35 ,  D21H17/37 ,  D21H21/18 ,  D21H21/06 ,  D21H21/10

CPC分类号： C08F251/00 ,  D21H17/35 ,  D21H17/375 ,  D21H21/18

摘要： Graft polymers are obtainable by free radical polymerization of(A) monomers or monomer mixtures of(a) from 10 to 100% by weight of open-chain N-vinylcarboxamides(b) from 0 to 90% by weight of other, carboxyl-free monoethylenically unsaturated monomers which are copolymerizable with the monomers (a) and(c) from 0 to 5% by weight of monomers containing two or more ethylenically unsaturated, non-conjugated double bonds in the molecule,in the presence of(B) natural substances containing saccharide structures, such as mono-, oligo- and polysaccharides,in a weight ratio (A):(B) of from 95:5 to 20:80 and, if required, subsequent hydrolysis of the amido groups of the polymerized monomers (a) of the graft polymer with formation of amino groups, and said polymers are used as dry and wet strength agents for paper, board and cardboard.

摘要翻译： 接枝聚合物可以通过（A）单体或单体混合物（a）的自由基聚合获得，所述单体或单体混合物为（a）10至100重量％的开链N-乙烯基酰胺（b），0至90重量％的其它无羧基 在（B）天然物质的存在下，可以与单体（a）和（c）共聚合的单烯属不饱和单体0-5重量％的分子中含有两个或更多个烯属不饱和的非共轭双键的单体 含有糖结构，例如单糖，寡糖和多糖，重量比（A）：（B）为95:5至20:80，如果需要，随后水解聚合单体的酰胺基 a）形成氨基的接枝聚合物，并且所述聚合物用作纸，纸板和纸板的干和湿强度剂。

公开(公告)号：US5543459A

公开(公告)日：1996-08-06

申请号：US401617

申请日：1995-03-09

申请人： Heinrich Hartmann ,  Walter Denzinger ,  Michael Kroener ,  Claudia Nilz ,  Friedrich Linhart ,  Andreas Stange

发明人： Heinrich Hartmann ,  Walter Denzinger ,  Michael Kroener ,  Claudia Nilz ,  Friedrich Linhart ,  Andreas Stange

IPC分类号： C08F251/02 ,  C08F251/00 ,  D21H17/34 ,  D21H17/35 ,  D21H17/37 ,  D21H21/18 ,  D21H21/06 ,  D21H21/10

CPC分类号： C08F251/00 ,  D21H17/35 ,  D21H17/375 ,  D21H21/18

摘要： Graft polymers are obtainable by free radical polymerization of(A) monomers or monomer mixtures of(a) from 10 to 100% by weight of open-chain N-vinylcarboxamides(b) from 0 to 90% by weight of other, carboxyl-free moneothylenically unsaturated monomers which are copolymerizable with the monomers (a) and(c) from 0 to 5% by weight of monomers containing two or more ethylenically unsaturated, non-conjugated double bonds in the molecule, in the presence of(B) natural substances containing saccharide structures, such as mono-, oligo- and polysaccharides,in a weight ratio (A):(B) of from 95:5 to 20:80 and, if required, subsequent hydrolysis of the amido groups of the polymerized monomers (a) of the graft polymer with formation of amino groups, and said polymers are used as dry and wet strength agents for paper, board and cardboard.

摘要翻译： 接枝聚合物可以通过（A）单体或单体混合物（a）的自由基聚合获得，所述单体或单体混合物为（a）10至100重量％的开链N-乙烯基酰胺（b），0至90重量％的其它无羧基 在（B）天然物质的存在下，可以与单体（a）和（c）共聚合的0〜5重量％的分子中含有2个以上烯属不饱和的非共轭双键的单体的单体不饱和单体 含有糖结构，例如单糖，寡糖和多糖，重量比（A）：（B）为95:5至20:80，如果需要，随后水解聚合单体的酰胺基 a）形成氨基的接枝聚合物，并且所述聚合物用作纸，纸板和纸板的干和湿强度剂。

公开(公告)号：US5262008A

公开(公告)日：1993-11-16

申请号：US623954

申请日：1990-12-04

申请人： Dietmar Moench ,  Heinrich Hartmann ,  Enrique Freudenberg ,  Andreas Stange

发明人： Dietmar Moench ,  Heinrich Hartmann ,  Enrique Freudenberg ,  Andreas Stange

IPC分类号： D21H17/34 ,  D21H17/45 ,  D21H21/06 ,  D21H21/10

CPC分类号： D21H21/10 ,  D21H17/455

摘要： Paper, board and cardboard are produced by draining a paper stock in the presence of a nonhydrolyzed copolymer which contains, as polymerized units,(a) from 99 to 1 mol % of N-vinylformamide and(b) from 1 to 99 mol % of one or more water-soluble basic monomers of the formula ##STR1## where R.sup.1 is H, CH.sub.3 or C.sub.2 H.sub.5, R.sup.2, R.sup.3 and R.sup.4 are each H, CH.sub.3, C.sub.2 H.sub.5 or (--CH.sub.2 --CH.sub.2 --O--).sub.n H, R.sup.5 and R.sup.6 are each C.sub.1 -C.sub.10 -alkyl, A is C.sub.1 -C.sub.6 -alkylene, n is from 1 to 6 and Y.sup..crclbar. is an anion, in an amount of from 0.01 to 3.5% by weight, based on dry paper stock.

摘要翻译： PCT No.PCT / EP90 / 00406 Sec。 371 1990年12月4日第 102（e）1990年12月4日的PCT PCT 1990年3月14日PCT公布。 WO90 / 11404 PCT出版物 日期为1990年10月4日。纸，纸板和纸板是通过在非水解共聚物的存在下排出纸料而制备的，所述共聚物含有作为聚合单元的（a）99至1摩尔％的N-乙烯基甲酰胺和（b） 1至99摩尔％的一种或多种式（I）或其中R 1为H，CH 3或C 2 H 5，R 2，R 3和R 4的水解性碱性单体或（II）的水溶性碱性单体各自为H，CH 3 ，C 2 H 5或（-CH 2 -CH 2 -O-）n H，R 5和R 6各自为C 1 -C 10 - 烷基，A为C 1 -C 6亚烷基，n为1至6，Y（ - ）为阴离子， 量为0.01〜3.5重量％，基于干纸原料。

公开(公告)号：US4845223A

公开(公告)日：1989-07-04

申请号：US939000

申请日：1986-12-08

申请人： Guenther Seybold ,  Andreas Stange

发明人： Guenther Seybold ,  Andreas Stange

IPC分类号： C09B5/62

CPC分类号： C09B5/62

摘要： The novel compounds of the general formula ##STR1## where R.sup.1 and R.sup.2 are identical or different aliphatic, cycloaliphatic, aromatic or heterocyclic radicals which are free of groups which impart water solubility,X, Y and Z are each chlorine, bromine or a radical OR.sup.3 andR.sup.3 is unsubstituted or substituted phenyl, naphthyl or anthryl,are very useful as fluorescent dyes in organic material.

摘要翻译： 其中R1和R2是相同或不同的具有赋予水溶性的基团，X，Y和Z的脂族，脂环族，芳族或杂环基团的新化合物为“IMAGE”，分别为氯，溴或基团OR3 和R3是未取代的或取代的苯基，萘基或蒽基，在有机材料中作为荧光染料非常有用。

公开(公告)号：US5478656A

公开(公告)日：1995-12-26

申请号：US408408

申请日：1995-03-22

申请人： Klaus Flory ,  Andreas Stange ,  Michael Kroener ,  Norbert Sendhoff

发明人： Klaus Flory ,  Andreas Stange ,  Michael Kroener ,  Norbert Sendhoff

IPC分类号： C08G12/12 ,  C08G12/46 ,  D21H17/49 ,  D21H17/50 ,  B32B27/42

CPC分类号： C08G12/46 ,  Y10T428/31949 ,  Y10T428/31964

摘要： Cationic urea/formaldehyde resins are obtainable by condensing urea and formaldehyde in a molar ratio of from 1:1.5 to 1:3 in the presence of polymers which contain not less than 1 mol % of polymerized vinylamine units and have Fikentscher K values of from 5 to 300, in an amount of from 5 to 50 g per mole of urea in the end product, where the mixture is first a) precondensed at a pH of from 8 to 14, then acidified and b) condensed at a pH of from 1 to 5 until gel formation begins, c) then from 0.3 to 1.5 moles of formaldehyde are added per mole of urea used, d) post-condensation is carried out and e) the resin solution is subsequently neutralized. The resins thus obtained are used in papermaking as assistants for increasing the dry and wet strength of paper and result in less dulling of the whiteness of the paper.

摘要翻译： 阳离子脲/甲醛树脂可以通过在含有不少于1摩尔％的聚合乙烯胺单元的聚合物存在下，以1:1.5至1:3的摩尔比冷凝脲和甲醛，并且具有5的Fikentscher K值 至300，其量为最终产物中每摩尔尿素5至50g，其中混合物首先a）在8至14的pH下预缩合，然后酸化并b）在pH为1时冷凝 至5，直到凝胶形成开始，c）然后每摩尔使用的尿素加入0.3至1.5摩尔的甲醛，d）进行后冷凝，e）随后中和树脂溶液。 由此获得的树脂用于造纸中作为助剂以增加纸张的干湿强度，并且导致纸的白度较少的钝化。

公开(公告)号：US4818341A

公开(公告)日：1989-04-04

申请号：US155503

申请日：1988-02-12

申请人： Hans-Juergen Degen ,  Sigberg Pfohl ,  Volkmar Weberndoerfer ,  Gerd Rehmer ,  Michael Kroener ,  Andreas Stange

发明人： Hans-Juergen Degen ,  Sigberg Pfohl ,  Volkmar Weberndoerfer ,  Gerd Rehmer ,  Michael Kroener ,  Andreas Stange

IPC分类号： D21H17/34 ,  D21H17/28 ,  D21H17/37 ,  D21H17/45 ,  D21H17/56 ,  D21H21/18 ,  D21D3/00

CPC分类号： D21H17/455 ,  D21H17/28 ,  D21H17/45 ,  D21H21/18

摘要： Paper and paperboard of high dry strength are produced by adding a dry strength enhancer to the paper stock and dewatering the paper stock with sheet formation by using as the dry strength enhancer a mixture of a cationic polymer which contains as characteristic monomers copolymerized units of(a) diallyldimethylammonium chloride,(b) N-vinylamine or(c) a substituted or unsubstituted N-vinylimidazoline and has a K value of not less than 30, and natural potato starch which is converted into a water-soluble form by heating in an aqueous medium at above the gelatinization temperature of natural potato starch in the absence of any oxidizing agents or alkali.

摘要翻译： 通过向纸料中加入干强度增强剂并通过使用作为干强度增强剂的阳离子聚合物的混合物作为特征性单体的共聚单元（a（a））来制备干燥强度高的纸和纸板， ）二烯丙基二甲基氯化铵，（b）N-乙烯基胺或（c）取代或未取代的N-乙烯基咪唑啉，K值不小于30，天然马铃薯淀粉通过在水溶液中加热而转化为水溶性形式 介质在天然马铃薯淀粉的凝胶化温度高于没有任何氧化剂或碱的情况下。