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    Method for dissolving cationic starch, papermaking agent and its use
    72.
    发明授权
    Method for dissolving cationic starch, papermaking agent and its use 有权
    溶解阳离子淀粉，造纸剂及其用途的方法

    公开(公告)号：US09580865B2

    公开(公告)日：2017-02-28

    申请号：US14387369

    申请日：2013-03-22

    申请人： KEMIRA OYJ

    发明人： Asko Karppi ,  Esko Tirronen

    IPC分类号： C08L79/02 ,  C08L3/00 ,  D21H17/29 ,  D21H17/45 ,  D21H17/54 ,  D21H21/10 ,  C08L3/08 ,  D21H17/37 ,  D21H17/44 ,  D21H17/55 ,  D21H17/56 ,  D21H21/06 ,  D21H21/18 ,  C08G73/02

    CPC分类号： D21H17/29 ,  C08G73/022 ,  C08G73/0286 ,  C08G73/0293 ,  C08L3/08 ,  C08L79/02 ,  D21H17/375 ,  D21H17/44 ,  D21H17/45 ,  D21H17/455 ,  D21H17/54 ,  D21H17/55 ,  D21H17/56 ,  D21H21/06 ,  D21H21/10 ,  D21H21/18

    摘要： The invention relates to a method for dissolving cationic starch. In the method is obtained an aqueous polyelectrolyte solution comprising a synthetic cationic polymer, which has a charge density value of at least 0.1 meq/g, determined at pH3, the concentration of the cationic polymer in the polyelectrolyte solution being >2.5 weight-%, and the aqueous polyelectrolyte solution is brought together with cationic starch having a degree of substitution, DS, >0.1. The cationic starch is dissolved to the polyelectrolyte solution by heating and/or mixing. The invention relates also to a papermaking agent comprising 2-40 weight-% of synthetic cationic polymer which has a charge density value of at least 0.1 meq/g, determined at p H 3, and 2.5-25 weight-% cationic starch having degree of substitution, DS, >0.1. The papermaking agent is in slurry form and has a viscosity of 50-20 000 m Pas, measured at 25° C. with Brookfield DVI+ viscometer.

    摘要翻译： 本发明涉及一种溶解阳离子淀粉的方法。 在该方法中，获得包含合成阳离子聚合物的水溶液聚电解质溶液，该聚合物的电荷密度值至少为0.1meq / g，在pH3下测定，阳离子聚合物在聚电解质溶液中的浓度> 2.5重量％ 并且将聚合电解质水溶液与具有取代度DS'> 0.1的阳离子淀粉一起使用。 通过加热和/或混合将阳离子淀粉溶解到聚电解质溶液中。 本发明还涉及一种造纸剂，其包含2-40重量％的合成阳离子聚合物，其电荷密度值至少为0.1meq / g，在p H 3和2.5-25重量％阳离子淀粉具有度 的替代，DS，> 0.1。 造纸剂为浆液形式，并且在25℃下用Brookfield DVI +粘度计测量粘度为50-20,000mPa·s。

    FILLER AGGREGATE COMPOSITION AND ITS PRODUCTION
    74.
    发明申请
    FILLER AGGREGATE COMPOSITION AND ITS PRODUCTION 审中-公开
    填料组合物及其生产

    公开(公告)号：US20160319485A1

    公开(公告)日：2016-11-03

    申请号：US15108671

    申请日：2014-12-17

    申请人： KEMIRA OYJ

    发明人： Matti HIETANIEMI ,  Mikko VIRTANEN

    IPC分类号： D21H11/18 ,  D21H17/67 ,  D21H17/34 ,  C08L33/26 ,  D21H21/18 ,  C08L39/02 ,  C08L1/02 ,  C09C1/02 ,  D21H17/37

    CPC分类号： D21H11/18 ,  C01P2006/22 ,  C01P2006/60 ,  C08L1/02 ,  C08L33/26 ,  C08L39/02 ,  C09C1/021 ,  D21H17/25 ,  D21H17/34 ,  D21H17/375 ,  D21H17/56 ,  D21H17/67 ,  D21H17/675 ,  D21H17/69 ,  D21H21/18

    摘要： The present invention relates to a filler aggregate composition comprising filler particles of ground calcium carbonate (GCC); a pretreatment agent selected from polyvinylamine (PVAM) and cationic polyacrylamide (CPAM), or a mixture thereof; and a nanofibrillar cellulose (NFC); wherein said filler aggregate composition is in the form of a slurry, wherein said pretreatment agent has an average molecular weight below 6000000 g/mol and a has a charge density below 7 meq/g, determined at pH 7, and the nanofibrillar cellulose is present in an amount of about 0.1-40% of the dry weight of the filler particles. Further it also relates to its method of production, and its use in stocks, paper and paper board.

    摘要翻译： 本发明涉及包含研磨碳酸钙（GCC）的填料颗粒的填料聚集体组合物; 选自聚乙烯胺（PVAM）和阳离子聚丙烯酰胺（CPAM）的预处理剂或其混合物; 和纳米纤维素纤维素（NFC）; 其中所述填料聚集体组合物为浆料形式，其中所述预处理剂的平均分子量低于6000000g / mol，a具有低于7meq / g的电荷密度，在pH7下测定，并且存在纳米纤维素纤维素 其量为填料颗粒干重的约0.1-40％。 此外，它还涉及其生产方法及其在库存，纸张和纸板中的使用。

    Method for reducing colour of a biotechnological liquid
    75.
    发明申请
    Method for reducing colour of a biotechnological liquid 审中-公开
    降低生物技术液体颜色的方法

    公开(公告)号：US20160289266A1

    公开(公告)日：2016-10-06

    申请号：US15037683

    申请日：2014-11-05

    申请人： KEMIRA OYJ

    发明人： Susanna HOLAPPA ,  Michael RECKTENWALD

    IPC分类号： C07K1/30 ,  C12N9/96 ,  C07K1/14

    CPC分类号： C07K1/30 ,  C07K1/14 ,  C12N9/96

    摘要： The invention relates to a method for reducing colour of a biotechnological liquid. In the method a biotechnological liquid comprising colour forming substances is obtained and a high-basicity aluminium compound, which has a basicity of at least 0%, is added and mixed to the biotechnological liquid. Precipitate and/or flocks comprising colour forming substances are allowed to form, and the precipitate and/or flocks are separated from the biotechnological liquid.

    摘要翻译： 本发明涉及一种降低生物技术液体颜色的方法。 在该方法中，获得包含成色物质的生物技术液体，并将碱度至少为0％的高碱度铝化合物加入并混合到生物技术液体中。 允许形成包含成色物质的沉淀物和/或绒毛，并将沉淀物和/或绒毛与生物技术液体分离。

    Process additive formulation and method for foam reduction and/or for increasing drainage
    76.
    发明申请
    Process additive formulation and method for foam reduction and/or for increasing drainage 审中-公开
    用于泡沫减少和/或用于增加排水的方法添加剂配方和方法

    公开(公告)号：US20160288020A1

    公开(公告)日：2016-10-06

    申请号：US15037337

    申请日：2014-11-18

    申请人： KEMIRA OYJ

    发明人： Fredrick Vance ,  Robert Wilson

    IPC分类号： B01D19/04

    CPC分类号： B01D19/0404 ,  B01D2251/21 ,  C08K5/11 ,  C08L33/08 ,  C08L33/10

    摘要： The invention relates to a process additive formulation and a method for foam reduction and/or for increasing drainage in a process comprising an aqueous medium. The process additive formulation comprises an acrylate and/or methacrylate copolymer, optionally with acrylic acid or methacrylic acid, in an organic diluent, and mineral oil or vegetable oil.

    摘要翻译： 本发明涉及一种工艺添加剂制剂和用于在包含水性介质的方法中降泡和/或增加排水的方法。 该工艺添加剂配方包括有机稀释剂中的丙烯酸酯和/或甲基丙烯酸酯共聚物，任选与丙烯酸或甲基丙烯酸，以及矿物油或植物油。

    PAPERMAKING AGENT SYSTEM, METHOD FOR MAKING A PAPERMAKING AGENT SYSTEM AND ITS USE
    78.
    发明申请
    PAPERMAKING AGENT SYSTEM, METHOD FOR MAKING A PAPERMAKING AGENT SYSTEM AND ITS USE 有权
    造纸剂系统，制造造纸剂系统的方法及其用途

    公开(公告)号：US20160273166A1

    公开(公告)日：2016-09-22

    申请号：US14442433

    申请日：2013-11-13

    申请人： Kemira Oyj

    发明人： Asko Karppi ,  Matti Hietaniemi ,  Marco Polverari

    IPC分类号： D21H21/10 ,  D21H17/29 ,  D21H17/37 ,  D21H21/20

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

    摘要： 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.

    摘要翻译： 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）加入到淀粉混合物的一种组分或淀粉混合物中，和/或组分a）或b）加入阳离子淀粉溶液中 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。