PROCESS FOR CONTINUOUSLY PRODUCING WATER-ABSORBING POLYMER PARTICLES
    44.
    发明申请
    PROCESS FOR CONTINUOUSLY PRODUCING WATER-ABSORBING POLYMER PARTICLES 审中-公开
    连续生产吸水聚合物颗粒的方法

    公开(公告)号:US20140328723A1

    公开(公告)日:2014-11-06

    申请号:US14308862

    申请日:2014-06-19

    Applicant: BASF SE

    CPC classification number: B01J19/28 C08F220/28

    Abstract: A process for continuously producing water-absorbing polymer particles by polymerizing a monomer solution comprising acrylic acid and/or salts thereof, wherein the acrylic acid supplied has a dimeric acrylic acid content of at least 0.02% by weight and the dimeric acrylic acid content is kept essentially constant.

    Abstract translation: 通过聚合包含丙烯酸和/或其盐的单体溶液连续生产吸水性聚合物颗粒的方法,其中所提供的丙烯酸的二聚丙烯酸含量为至少0.02重量%,并保持二聚丙烯酸含量 基本不变。

    METHOD FOR PRODUCING WATER-ABSORBING POLYMER PARTICLES
    45.
    发明申请
    METHOD FOR PRODUCING WATER-ABSORBING POLYMER PARTICLES 审中-公开
    生产吸水聚合物颗粒的方法

    公开(公告)号:US20140107305A1

    公开(公告)日:2014-04-17

    申请号:US14107320

    申请日:2013-12-16

    Applicant: BASF SE

    CPC classification number: C08F2/10 C08F2/01 C08F2/44

    Abstract: A process for producing water-absorbing polymer particles, comprising the addition of a solid additive to a polymer gel by means of a conveying screw (1), wherein the solid additive and a gas volume flow are fed to the conveying screw (1) by means of an addition channel (2).

    Abstract translation: 一种生产吸水性聚合物颗粒的方法,包括通过输送螺杆(1)向聚合物凝胶中加入固体添加剂,其中固体添加剂和气体体积流通过 附加通道(2)的装置。

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