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公开(公告)号：EP3122937B1
公开(公告)日：2019-01-02
申请号：EP15711092.5
申请日：2015-03-10
Applicant: BASF SE
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公开(公告)号：EP3234259A1
公开(公告)日：2017-10-25
申请号：EP15820441.2
申请日：2015-12-04
Applicant: BASF SE
Inventor： HAEHNLE, Hans-Joachim , HAMERS, Christoph , ESSER, Anton , MEIXNER, Hubert , BUCHAN, Matthew , SCHALL, Norbert , SPANGE, Stefan , TROMMLER, Katja , WÜRFEL, Hendrik , SEIFERT, Susan , WALTHER, Tina
CPC classification number: D21H17/42 , B01F3/1214 , B01F3/223 , B01F2215/0078 , C08L2201/54 , C09D139/02 , D21H11/04 , D21H11/08 , D21H15/10 , D21H17/34 , D21H17/35 , D21H17/37 , D21H17/375 , D21H17/41 , D21H17/44 , D21H17/63 , D21H21/10 , D21H23/04 , D21H25/04
Abstract: The invention relates to a method for producing paper or cardboard, which comprises adding (I) an aqueous composition having a pH ≤6 and (II) at least one water-soluble polymeric anionic compound to a paper stock having a pH in the range from 6 to 8, and then dewatering the paper stock, forming sheets and drying, where the aqueous composition comprises (a) polymers having primary amino groups and/or amidine groups, with a total content of these groups of ≥1.5 meq/g polymer, and (b) 0.01 to 50 mol% of 1,4-cyclohexanedione (b), based on the total amount of primary amino groups and/or amidine groups in the polymers, and also to the paper or cardboard produced accordingly.
Abstract translation: 本发明涉及一种生产纸或纸板的方法，该方法包括将（I）pH≤6的含水组合物和（II）至少一种水溶性聚合阴离子化合物加入到具有pH范围为 6至8，然后脱水纸料，形成片材并干燥，其中含水组合物包含（a）具有伯氨基和/或脒基团的聚合物，这些基团的总含量≥1.5meq/ g聚合物， 和（b）基于聚合物中伯氨基和/或脒基团的总量，0.01-50mol％的1,4-环己烷二酮（b）以及相应制备的纸或纸板。
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公开(公告)号：EP3122937A1
公开(公告)日：2017-02-01
申请号：EP15711092.5
申请日：2015-03-10
Applicant: BASF SE
Inventor： BUCHAN, Matthew , HAFFKE, Reinhard , RENSEN, Leonardus Guido Antonius , HAMERS, Christoph , SCHALL, Norbert
IPC: D21H23/76 , B32B29/08 , D21H27/40 , D21H17/28 , D21H17/37 , D21H17/42 , D21H17/44 , D21H17/45 , D21H17/56 , D21H21/18 , D21H19/54 , D21H23/22
CPC classification number: D21H17/28 , B32B3/28 , B32B29/06 , B32B29/08 , B32B2260/028 , B32B2260/046 , B32B2307/734 , B32B2439/62 , B65D5/563 , D21H17/37 , D21H17/375 , D21H17/42 , D21H17/44 , D21H17/45 , D21H17/56 , D21H19/54 , D21H21/18 , D21H23/22 , D21H23/76 , D21H27/40
Abstract: The present invention relates to a method for producing corrugated cardboard from plies of paper each with a grammage of 70 to 200 m/m2, of which at least one paper ply is obtained by a process comprising adding (A) 0.25 to 5 wt%, based on dry paper stock, of at least one cationic polymer containing vinylamine units and (B) 0 to 5 wt%, based on dry paper stock, of at least one polymeric anionic compound to a paper stock, dewatering the paper stock and sheet-forming, coating the resulting paper web with (C) 0.1 to 3 wt%, based on dry paper stock, of at least one starch and drying the coated paper web, the polymeric anionic compound being selected from a polymeric anionic compound (B1) and a polymeric anionic compound (B2), the polymeric anionic compound (B1) being obtainable by copolymerizing a monomer mixture comprising, preferably consisting of, a) at least one monomer (a) selected from acrylamide and an N-vinylcarboxamide of the formula (I), in which R
1 and R
2 denote H or C
1 to C
6 alkyl, b) at least one monoethylenically unsaturated monomer containing acid groups and/or its alkali metal, alkaline earth metal or ammonium salts (b) and c) optionally one or more monoethylenically unsaturated monomers (c), which are different from the monomers (a) and (b), and d) optionally one or more compounds which have at least two ethylenically unsaturated double bonds in the molecule, and the polymeric anionic compound (B2) is the hydrolysis product of the polymeric anionic compound (B1) some or all of whose carboxamide residues have undergone hydrolysis to amino groups; and also to the corrugated cardboard obtained accordingly and to the use thereof for producing packing cartons from corrugated cardboard.Abstract translation: 本发明涉及一种用纸制造瓦楞纸板的方法，每个纸张的克重为70至200m 2 / m 2，其中通过以下方法得到至少一层纸层，该方法包括：（A）0.25至5wt％ 至少一种含有乙烯胺单元的阳离子聚合物和（B）基于干纸原料的至少一种聚合阴离子化合物的0-5重量％的至少一种聚合阴离子化合物的纸浆，将纸料和片状物料脱水， 用（C）0.1％至3％（重量）（基于干纸原料）形成，涂覆所得纸幅至少一种淀粉并干燥涂布纸幅，该聚合阴离子化合物选自聚合阴离子化合物（B1）和 聚合阴离子化合物（B2），聚合阴离子化合物（B1）可通过共聚单体混合物获得，所述单体混合物包含，优选由以下组成：a）至少一种选自丙烯酰胺和式（I）的N-乙烯基甲酰胺的单体 ），其中R 1和R 2表示H或C 1至C 6 Al b）至少一种含有酸基团的单烯属不饱和单体和/或其碱金属，碱土金属或铵盐（b）和c）任选的一种或多种单烯属不饱和单体（c），其不同于单体（ a）和（b），和d）任选的一种或多种在分子中具有至少两个烯键式不饱和双键的化合物，而聚合阴离子化合物（B2）是聚合阴离子化合物（B1） 它们的所有羧酰胺残基已经经历水解成氨基; 以及相应获得的瓦楞纸板以及用于从瓦楞纸板生产包装纸箱的用途。
