PLY FOR A BOARD FROM AN IN-LINE PRODUCTION PROCESS
    4.
    发明申请
    PLY FOR A BOARD FROM AN IN-LINE PRODUCTION PROCESS 有权
    从一个在线生产过程的板子

    公开(公告)号:US20150315748A1

    公开(公告)日:2015-11-05

    申请号:US14441257

    申请日:2013-11-06

    CPC classification number: D21H17/675 D21H11/18 D21H17/25 D21H17/67 D21H17/70

    Abstract: A ply for a paper and paperboard made from a ply substrate material, wherein the ply comprises a hybrid material, in an amount of 1-25 wt-% of the ply, wherein the hybrid material is introduced into a target suspension of the short circulation of a fibrous web forming process of a fibrous web machine, in an in-line process, wherein said target suspension forms the ply substrate material, and the hybrid material comprises an alkaline earth carbonate precipitated onto or into fibers or fibrils of a nanofibrillated polysaccharide.

    Abstract translation: 一种用于由层状基材材料制成的纸和纸板的层,其中所述帘布层包含以所述帘布层的1-25重量%的量的混合材料,其中所述混合材料被引入所述短循环的目标悬浮液 在线方法中,所述目标悬浮液形成层状基底材料,并且所述混合材料包含沉淀在纳米纤维化多糖的纤维或原纤维上的碱土金属碳酸盐。

    Method for the production of a coated paper, paperboard or film and a coated paper, paperboard or film

    公开(公告)号:US12152345B2

    公开(公告)日:2024-11-26

    申请号:US17046410

    申请日:2019-04-12

    Applicant: Stora Enso OYJ

    Abstract: The present invention relates to a method for the production of a coated paper, paperboard or film, wherein the method comprises the steps of; providing a first suspension comprising cellulose fibers and/or nanocellulose, applying the first suspension on a substrate to form a fibrous web, wherein the web has a first and a second side, providing a second suspension comprising polymers and/or particles wherein the second suspension has a Brookfield viscosity above 3000 m Pas at a dry content between 4%-40% by weight, providing at least one calender comprising at least one roll or belt, applying the second suspension to the surface of the at least one calender roll or belt forming a coating web and conducting said fibrous web through the at least one calender whereby the coating web is applied to the first side of the web forming the coated paper, paperboard or film. The invention also relates to a paper, paperboard or film produced according to the method.

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