METHOD FOR PRODUCING PAPER, CARD AND BOARD WITH HIGH DRY STRENGTH
    2.
    发明申请
    METHOD FOR PRODUCING PAPER, CARD AND BOARD WITH HIGH DRY STRENGTH 失效
    用于生产具有高干度强度的纸张,卡片和纸板的方法

    公开(公告)号:US20110308752A1

    公开(公告)日:2011-12-22

    申请号:US13147623

    申请日:2010-02-04

    IPC分类号: D21H17/45 D21H17/43 D21H17/33

    CPC分类号: D21H17/42 D21H17/44 D21H21/18

    摘要: Process for the production of paper, board and cardboard having high dry strength by addition of a water-soluble cationic polymer and of an anionic polymer to a paper stock, draining of the paper stock and drying of the paper products, wherein an aqueous dispersion of at least one anionic latex and at least one degraded starch is used as the anionic polymer.

    摘要翻译: 通过向纸料添加水溶性阳离子聚合物和阴离子聚合物来生产具有高干燥强度的纸,纸板和纸板的方法,排出纸料并干燥纸制品,其中将 使用至少一种阴离子胶乳和至少一种降解淀粉作为阴离子聚合物。

    Method for producing paper, card and board with high dry strength
    6.
    发明授权
    Method for producing paper, card and board with high dry strength 失效
    干燥强度高的纸张,纸板和纸板的制造方法

    公开(公告)号:US08529732B2

    公开(公告)日:2013-09-10

    申请号:US13147623

    申请日:2010-02-04

    CPC分类号: D21H17/42 D21H17/44 D21H21/18

    摘要: Process for the production of paper, board and cardboard having high dry strength by addition of a water-soluble cationic polymer and of an anionic polymer to a paper stock, draining of the paper stock and drying of the paper products, wherein an aqueous dispersion of at least one anionic latex and at least one degraded starch is used as the anionic polymer.

    摘要翻译: 通过向纸料添加水溶性阳离子聚合物和阴离子聚合物来生产具有高干燥强度的纸,纸板和纸板的方法,排出纸料并干燥纸制品,其中将 使用至少一种阴离子胶乳和至少一种降解淀粉作为阴离子聚合物。

    Method for producing paper, paperboard and cardboard
    9.
    发明授权
    Method for producing paper, paperboard and cardboard 有权
    生产纸张,纸板和纸板的方法

    公开(公告)号:US08337665B2

    公开(公告)日:2012-12-25

    申请号:US10590933

    申请日:2005-03-14

    IPC分类号: D21H17/33 D21H17/56 D21H21/02

    CPC分类号: D21H21/02 D21H17/37

    摘要: A process for the production of paper, board and cardboard by draining a paper stock containing interfering substances in the presence of polymers which contain vinylamine units and which have an average molar mass Mw of at least 1 million, a high-consistency stock first being prepared, at least one polymer containing vinylamine units and having an average molar mass Mw of at least 1 million and a degree of hydrolysis of from 1 to 20 mol % being metered into the high-consistency stock, the high-consistency stock being diluted to a low-consistency stock by adding water, and the low-consistency stock being drained, and the use of hydrolyzed homo- or copolymers of N-vinylcarboxamides having a degree of hydrolysis of from 1 to 20 mol % and an average molar mass Mw of at least 1 million in the production of paper, board or cardboard as an additive to a high-consistency stock containing interfering substances, for reducing deposits in the wire part, press section and drying section of paper machines.

    摘要翻译: 一种制备纸,纸板和纸板的方法,该方法是在含有乙烯胺单元的聚合物存在下含有干扰物质的纸料,并且其平均摩尔质量Mw至少为100万,首先制备高稠度原料 至少一种含有乙烯胺单元并且具有至少100万的平均摩尔质量Mw和1至20摩尔%的水解度的聚合物被计量加入高浓度原料中,将高浓度原料稀释至 低浓度原料通过加水,低浓度原料排出,使用水解度为1〜20摩尔%,平均摩尔质量Mw为3的N-乙烯基酰胺的水解均聚物或共聚物 至少100万张生产纸张,纸板或纸板作为添加剂的高浓度原料含有干扰物质,用于减少线材部分,压榨部分和纸张干燥部分的沉积物 机器。

    PROCESS FOR THE PRODUCTION OF PAPER, BOARD AND CARDBOARD HAVING HIGH DRY STRENGTH
    10.
    发明申请
    PROCESS FOR THE PRODUCTION OF PAPER, BOARD AND CARDBOARD HAVING HIGH DRY STRENGTH 失效
    生产具有高干燥强度的纸板,纸板和纸板的工艺

    公开(公告)号:US20110048660A1

    公开(公告)日:2011-03-03

    申请号:US12990763

    申请日:2009-05-14

    IPC分类号: D21H17/33 D21H17/37 D21H17/45

    CPC分类号: D21H21/18 D21H17/42 D21H17/44

    摘要: Process for the production of paper, board and cardboard having high dry strength by separate addition of a water-soluble cationic polymer and of an aqueous dispersion of a water-insoluble polymer having a content of acid groups of not more than 10 mol % or of an aqueous dispersion of a nonionic polymer, which dispersion has been made anionic, to a paper stock, draining of the paper stock and drying of the paper products. Preferably, the polymers are added to a paper stock which has a temperature of at least 40° C.

    摘要翻译: 通过分开加入水溶性阳离子聚合物和具有不大于10mol%的酸基含量的​​水不溶性聚合物的水分散体或通过单独添加水溶性聚合物的水分散体,生产具有高干燥强度的纸,纸板和纸板的方法, 非离子聚合物的水性分散体,其分散体已经被制成阴离子型,到纸料中,排出纸料并干燥纸制品。 优选地,将聚合物加入到具有至少40℃的温度的纸料中