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    MULTIPLY PAPERBOARD
    3.
    发明申请
    MULTIPLY PAPERBOARD 审中-公开
    多媒体纸板

    公开(公告)号：WO2015036932A1

    公开(公告)日：2015-03-19

    申请号：PCT/IB2014/064389

    申请日：2014-09-10

    Applicant: STORA ENSO OYJ

    Inventor： HALLGREN, Hans ,  PENG, Frank

    IPC: D21H27/38 ,  B32B29/00 ,  D21H21/18 ,  D21H27/10 ,  B65D65/40 ,  D21H11/00 ,  D21H17/24

    CPC classification number: D21H27/10 ,  B32B29/005 ,  B32B29/02 ,  B32B2262/062 ,  B32B2307/54 ,  B32B2307/546 ,  B32B2439/70 ,  D21H11/04 ,  D21H17/24 ,  D21H17/29 ,  D21H27/38

    Abstract: The present invention discloses a multi-ply paperboard for packaging of liquid and/or food products, which paperboard comprises a top ply, a back ply and at least one middle ply arranged between said top and back ply. The invention is characterized in that the back ply is made of unbleached hardwood pulp to 100% by weight, calculated on the total fiber weight of said back ply. It has surprisingly been found that the use of unbleached pulp in the back ply makes it possible to use 100% hardwood fibers in the back ply, calculated on the total fiber weight of the back ply, and still achieve a high quality board with an acceptable strength and bending resistance.

    Abstract translation: 本发明公开了一种用于包装液体和/或食品的多层纸板，该纸板包括顶层，背层和布置在所述顶层和背层之间的至少一层中间层。 本发明的特征在于，背层由未漂白的硬木浆制成，以所述背层的总纤维重量计算为100重量％。 令人惊讶地发现，在背层中使用未漂白的纸浆使得可以在背层中使用100％硬木纤维，根据背层的总纤维重量计算，并且仍然实现具有可接受的高质量板 强度和抗弯强度。

    PAPERMAKING AGENT SYSTEM, METHOD FOR MAKING A PAPERMAKING AGENT SYSTEM AND ITS USE
    5.
    发明申请
    PAPERMAKING AGENT SYSTEM, METHOD FOR MAKING A PAPERMAKING AGENT SYSTEM AND ITS USE 审中-公开
    造纸剂系统，制造造纸剂系统的方法及其用途

    公开(公告)号：WO2014076372A1

    公开(公告)日：2014-05-22

    申请号：PCT/FI2013/051072

    申请日：2013-11-13

    Applicant: KEMIRA OYJ

    Inventor： KARPPI, Asko ,  HIETANIEMI, Matti ,  POLVERARI, Marco

    IPC: D21H17/37 ,  D21H17/28 ,  D21H17/00 ,  D21H21/06 ,  D21H21/10 ,  D21H17/29 ,  C08B31/00 ,  C08L3/00

    CPC classification number: D21H21/10 ,  C08B31/125 ,  C08L3/08 ,  D21H17/29 ,  D21H17/375 ,  D21H17/72 ,  D21H21/06 ,  D21H21/20

    Abstract: The invention relates to a papermaking agent system in liquid form, which comprises (i) cationic starch solution, prepared by cooking a starch mixture comprising a starch component and a water component, and (ii) polymer composition, which has anionic and cationic groups and a cationic net charge of > 0.1 meq/g. The polymer composition comprises or originates from at least one of constituents a), b) or c). Constituent a) contains an amphoteric polymer, which is a copolymer comprising structural units derived from acrylamide and/or methacrylamide monomers, and anionic and cationic groups attached to the copolymer. Constituent b) contains a first polymer, which is a copolymer comprising structural units derived from acrylamide and/or methacrylamide monomers, and anionic or cationic groups attached to the copolymer, as well as a second polymer, which comprises groups with opposite charge than the first polymer. Constituent c) contains a third polymer, which comprises a copolymer comprising structural units derived from acrylamide and/or methacrylamide monomers, as well as hydrolytically unstable cationic groups attached to the copolymer. Constituent a), b) or c) is added to one of the components of the starch mixture or to the starch mixture before the cooking of the starch mixture, and/or constituent a) or b) is added to the cationic starch solution after cooking of the starch mixture. The invention relates also to the use of the papermaking agent system and to a method for its preparation.

    Abstract translation: 本发明涉及一种液体形式的造纸剂系统，其包括（i）通过蒸煮包含淀粉组分和水组分的淀粉混合物制备的阳离子淀粉溶液，和（ii）具有阴离子和阳离子基团的聚合物组合物， 阳离子净电荷> 0.1meq / g。 聚合物组合物包含或源于组分a），b）或c）中的至少一种。 组分a）包含两性聚合物，其是包含衍生自丙烯酰胺和/或甲基丙烯酰胺单体的结构单元和连接到共聚物上的阴离子和阳离子基团的共聚物。 组分b）包含第一聚合物，其是包含衍生自丙烯酰胺和/或甲基丙烯酰胺单体的结构单元和连接到共聚物上的阴离子或阳离子基团的共聚物，以及第二聚合物，其包含与第一聚合物相反的电荷 聚合物。 组分c）包含第三聚合物，其包含含有衍生自丙烯酰胺和/或甲基丙烯酰胺单体的结构单元的共聚物，以及与共聚物连接的水解不稳定的阳离子基团。 在蒸煮淀粉混合物之前，将组分a），b）或c）加入淀粉混合物中的一种组分或淀粉混合物中，和/或组分a）或b）加入到阳离子淀粉溶液中 烹饪淀粉混合物。 本发明还涉及造纸剂体系的用途及其制备方法。

    METHOD FOR TREATING A FIBRE STOCK FOR MAKING OF PAPER, BOARD OR THE LIKE AND PRODUCT
    6.
    发明申请
    METHOD FOR TREATING A FIBRE STOCK FOR MAKING OF PAPER, BOARD OR THE LIKE AND PRODUCT 审中-公开
    用于制造纸张，纸板或类似产品的纤维板的处理方法

    公开(公告)号：WO2014072587A1

    公开(公告)日：2014-05-15

    申请号：PCT/FI2013/051067

    申请日：2013-11-12

    Applicant: KEMIRA OYJ

    Inventor： HIETANIEMI, Matti ,  VIRTANEN, Mikko ,  SARANPÄÄ, Emmi

    IPC: D21H17/37 ,  D21H17/29 ,  D21H21/18

    CPC classification number: D21H21/18 ,  D21H17/29 ,  D21H17/375 ,  D21H23/04 ,  D21H27/30

    Abstract: The invention relates to a method for treating a fibre stock for making of paper, board or the like. The method comprises obtaining a fibre thick stock and adding to the fibre thick stock at least one cationic first agent, and adding separately to the fibre stock and after the addition of the cationic first agent, at least one anionic second agent, which is an water-soluble anionic copolymer of acrylamide, methacrylamide or acrylonitrile, in such amount that the ratio of the added absolute cationic charge to the added absolute anionic charge is from 1:0.1 to 1:0.95. The invention relates also to the product prepared by using a fibre stock, which is treated by using the method.

    Abstract translation: 本发明涉及一种处理纸，纸板等的纤维原料的处理方法。 该方法包括获得纤维厚料并将纤维增稠的至少一种阳离子第一试剂加入到纤维原料中，并在加入阳离子第一试剂后加入至少一种作为水的阴离子第二试剂 - 丙烯酰胺，甲基丙烯酰胺或丙烯腈的可溶性阴离子共聚物，其量使得加入的绝对阳离子电荷与加入的绝对阴离子电荷的比例为1:0.1至1:0.95。 本发明还涉及通过使用通过使用该方法处理的纤维原料制备的产品。

    FIXATIVE COMPOSITION, THICK STOCK COMPOSITION AND PROCESS FOR FIXATING HYDROPHOBIC AND/OR ANIONIC SUBSTANCES ON FIBRES
    8.
    发明申请
    FIXATIVE COMPOSITION, THICK STOCK COMPOSITION AND PROCESS FOR FIXATING HYDROPHOBIC AND/OR ANIONIC SUBSTANCES ON FIBRES 审中-公开
    固定组合物，薄片组合物和固定在纤维上的疏水性和/或阴离子性物质的方法

    公开(公告)号：WO2013001169A1

    公开(公告)日：2013-01-03

    申请号：PCT/FI2012/050686

    申请日：2012-06-29

    Applicant: KEMIRA OYJ ,  KARPPI, Asko ,  LINDBERG, Lenita ,  HIETANIEMI, Matti

    Inventor： KARPPI, Asko ,  LINDBERG, Lenita ,  HIETANIEMI, Matti

    IPC: D21H21/02

    CPC classification number: D21H17/72 ,  D21C9/086 ,  D21H17/29 ,  D21H17/45 ,  D21H21/02

    Abstract: The present invention relates to a fixative composition and process for reducing hydrophobic and/or anionic substances in fibre-containing stock for making of paper, board or the like. The composition comprises a synthetic cationic polymer, which has a charge density of 3.0 - 24 meq/g, and a cationic non-degraded starch, which has charge density of 0.5 – 3.0 meq/g. The invention relates also to thick stock composition comprising fibres and a fixative composition according to the invention.

    Abstract translation: 本发明涉及一种用于还原含纤维的原料中用于制造纸，纸板等的疏水和/或阴离子物质的固定组合物和方法。 该组合物包含电荷密度为3.0-24meq / g的合成阳离子聚合物和电荷密度为0.5-3.0meq / g的阳离子非降解淀粉。 本发明还涉及包含纤维和根据本发明的固定组合物的厚料组合物。

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