Process for Production of Polymer Powders Containing Vinylformamide Units
    3.
    发明申请
    Process for Production of Polymer Powders Containing Vinylformamide Units 有权
    含有乙烯基甲酰胺单元的聚合物粉末的生产工艺

    公开(公告)号:US20080319150A1

    公开(公告)日:2008-12-25

    申请号:US12090366

    申请日:2006-10-27

    IPC分类号: C08F20/54

    CPC分类号: C08F226/02

    摘要: A process for producing a polymer powder comprising vinylformamide units by free radical polymerization of an aqueous solution of N-vinylformamide and if appropriate other monomers and drying the polymer which comprises an aqueous monomer solution comprising N-vinylformamide and at least one polymerization initiator being spray dispensed as an aerosol or dropletized at the top of a heatable tower-shaped reactor, then polymerizing the aerosol or droplets in an inert gas atmosphere to form a finely divided solid and discharging the finely divided polymer from the reactor.

    摘要翻译: 一种制备包含乙烯基甲酰胺单元的聚合物粉末的方法,其通过N-乙烯基甲酰胺水溶液的自由基聚合和如果合适的其它单体和干燥包含含有N-乙烯基甲酰胺和至少一种聚合引发剂的单体水溶液的聚合物被喷雾分配 作为气雾剂或在可加热的塔状反应器的顶部液滴化,然后在惰性气体气氛中聚合气溶胶或液滴以形成细碎的固体并从细胞中排出细碎的聚合物。

    Aqueous Formulations Containing Polyaromatic Compounds With Acid Groups
    5.
    发明申请
    Aqueous Formulations Containing Polyaromatic Compounds With Acid Groups 失效
    含有酸性基团的多芳族化合物的水性制剂

    公开(公告)号:US20080214719A1

    公开(公告)日:2008-09-04

    申请号:US11994208

    申请日:2006-06-29

    IPC分类号: C08J3/05

    摘要: The present invention relates to a process for preparing aqueous formulations (A) comprising at least one polyaromatic compound bearing acid groups, in particular a sulfonated polyaromatic compound, and also aqueous formulations (A) which have been prepared by the process of the invention. Furthermore, the present invention relates to a process for preparing dried formulations (B) by removing the water from the aqueous formulations (A) and also the dried formulations (B) themselves. The present invention further provides a formulation (C) comprising the dried formulation (B) of the invention and water or the formulation A of the invention and a water-comprising formulation (D) comprising the aqueous formulation (A) or the formulation (C) of the invention and additionally at least 2% by weight of an organic solvent. Furthermore, the present invention relates to dry formulations (E) which are obtained by removing water and solvent from the water-comprising formulations (D) of the invention. The present invention further provides for the use of the water-comprising formulations (D) of the invention and of the dry formulations (E) obtained from these for producing a polymer electrolyte membrane and also the polymer electrolyte membrane itself and a membrane-electrode assembly (MEA) and also a fuel cell comprising the polymer electrolyte membrane of the invention.

    摘要翻译: 本发明涉及一种制备水性制剂(A)的方法,该制剂包含至少一种带有酸基的多芳族化合物,特别是磺化多芳族化合物,以及通过本发明方法制备的水性制剂(A)。 此外,本发明涉及通过从水性制剂(A)中除去水以及干燥制剂(B)本身来制备干燥制剂(B)的方法。 本发明还提供了包含本发明的干燥制剂(B)和水或本发明的制剂A的含水制剂(D)的制剂(C)和包含水性制剂(A)或制剂(C )和另外至少2重量%的有机溶剂。 此外,本发明涉及通过从本发明的含水制剂(D)中除去水和溶剂而获得的干燥制剂(E)。 本发明还提供了本发明的含水制剂(D)和由它们获得的干燥制剂(E)用于制备聚合物电解质膜的用途,以及聚合物电解质膜本身和膜 - 电极组件 (MEA)以及包含本发明的高分子电解质膜的燃料电池。

    Process For Preparing Precipitation Polymers By Spray Polymerization
    7.
    发明申请
    Process For Preparing Precipitation Polymers By Spray Polymerization 审中-公开
    通过喷雾聚合制备沉淀聚合物的方法

    公开(公告)号:US20080194778A1

    公开(公告)日:2008-08-14

    申请号:US11911232

    申请日:2006-04-24

    IPC分类号: C08F2/06

    CPC分类号: C08F220/04 C08F2/14 C08F2/16

    摘要: A process for preparing precipitation polymers by spray polymerization of a monomer solution comprising at least one ethylenically unsaturated monomer and at least one solvent, the monomer being soluble in the solvent, and the polymer obtained by the polymerization of the monomer being insoluble in the solvent, and also the use of the polymers for thickening liquids.

    摘要翻译: 通过包含至少一种烯属不饱和单体和至少一种溶剂的单体溶液的喷雾聚合制备沉淀聚合物的方法,所述溶剂是可溶于溶剂的单体,以及通过聚合单体不溶于溶剂获得的聚合物, 以及聚合物用于增稠液体的使用。