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    Endothermic blowing agents compositions and applications
    3.
    发明授权
    Endothermic blowing agents compositions and applications 失效
    吸热发泡剂的组成和应用

    公开(公告)号：US5302455A

    公开(公告)日：1994-04-12

    申请号：US873540

    申请日：1992-04-22

    申请人： Satish K. Wason ,  Gerry Mooney ,  Michael E. Tarquini ,  John A. Kosin ,  Rod A. Garcia ,  Claude R. Andrews

    发明人： Satish K. Wason ,  Gerry Mooney ,  Michael E. Tarquini ,  John A. Kosin ,  Rod A. Garcia ,  Claude R. Andrews

    IPC分类号： C08J9/08 ,  B32B5/16

    CPC分类号： C08J9/08 ,  Y10T428/2991

    摘要： A stabilized powdered endothermic blowing agent which is a mixture of polycarboxylic acid and an inorganic carbonate, the polycarboxylic acid and the inorganic carbonate each having been surface treated with a component which prevents water from being absorbed thereby. The blowing agent is incorporated into a composition for producing foamed products. Additives may be added to the composition which function in conjunction with the blowing agent to cause surface migration of the additives and/or improve weld line strength of the foamed products.

    摘要翻译： 作为多元羧酸和无机碳酸酯的混合物的稳定化的粉末吸热发泡剂，各种已经用防止水被其吸收的成分进行表面处理的多元羧酸和无机碳酸盐。 将发泡剂并入用于生产发泡产品的组合物中。 可以将添加剂加入到与发泡剂结合起作用的组合物中以引起添加剂的表面迁移和/或提高发泡产品的焊接线强度。

    Method for producing amorphous aluminocarbonate compounds
    5.
    发明授权
    Method for producing amorphous aluminocarbonate compounds 失效
    无定形铝碳酸酯化合物的制备方法

    公开(公告)号：US5055284A

    公开(公告)日：1991-10-08

    申请号：US095456

    申请日：1987-09-11

    申请人： Claude R. Andrews ,  John A. Kosin ,  Michael E. Tarquini

    发明人： Claude R. Andrews ,  John A. Kosin ,  Michael E. Tarquini

    IPC分类号： C01F11/18

    CPC分类号： C01F11/181 ,  C01F11/182 ,  Y10S261/75 ,  Y10S423/09

    摘要： A method for producing amorphous aluminocarbonate compounds which comprises continuously recirculating a first aqueous solution from a reaction vessel through a recycle system and injecting a gas comprising carbon dioxide into the first solution at a turbulent area located in the recycle system. A second aqueous solution is added to the first solution while the gas injection is continued, and the pH of the resulting mixture is maintained in the approximate range of from 8 to 10. The gas injection is discontinued when the entire amount of the second solution has been added to the first solution, in order to allow further precipitation of the amorphous compound. The method is particularly adapted for producing amorphous sodium aluminocarbonate and sodium magnesium aluminocarbonate.

    摘要翻译： 一种制备无定形铝碳酸酯化合物的方法，其包括使来自反应容器的第一水溶液连续再循环通过再循环系统，并在位于循环系统中的湍流区域将包含二氧化碳的气体注入第一溶液中。 将第二水溶液加入到第一溶液中，同时继续注入气体，所得混合物的pH值保持在8至10的范围内。当第二溶液的总量为 加入到第一溶液中，以便使无定形化合物进一步沉淀。 该方法特别适用于生产无定形的铝碳酸钠和铝碳酸镁镁。