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    • 89. 发明授权
    • Aqueous suspension of bentonite and its use for coating thermal
insulating molded articles
    • 膨润土的水悬浮液及其用于涂覆绝热模制品的用途
    • US4670101A
    • 1987-06-02
    • US749480
    • 1985-06-27
    • Sabine SchmidtPeter KleinschmitRudolf Schwarz
    • Sabine SchmidtPeter KleinschmitRudolf Schwarz
    • C04B30/02D21F11/00
    • C04B30/02
    • There is prepared an aqueous suspension which in addition to water, consists of 2 to 50 weight % of a mixture of bentonite and inorganic fibers, with the portion of inorganic fiber being 1 to 30 weight % and the portion of bentonite being 1 to 30 weight % and wherein the total amount of solids does not exceed 50 weight %. With the suspension there is attained an improvement of the mechanical properties of thermal insulating molded objects which are employed for thermal insulation and which for example, contain pyrogenically produced silica as a filler by delivery of this suspension on the thermal insulating plate. The suspension can also be delivered on thermal insulating molded bodies on which there is pressed a fiber net or a fiber felt. After applying the suspension several thermal insulating molded bodies can be joined together where the coating formed consisting of bentonite and inorganic fibers acts as binder. The heat insulating molded article in addition to this layer, can have one or more additional coatings based on organic or inorganic lacquer systems, silicone compositions or low melting glazes.
    • 制备水性悬浮液,除了水之外,由2〜50重量%的膨润土和无机纤维​​的混合物组成,无机纤维的比例为1〜30重量%,膨润土的比例为1〜30重量% %,其中固体的总量不超过50重量%。 通过悬浮液,绝热成型体的机械性能得到改善,其用于隔热,并且例如通过将该悬浮液输送到绝热板上而含有热解法生产的二氧化硅作为填料。 该悬浮液也可以在其上挤压纤维网或纤维毡的隔热成型体上输送。 应用悬浮液后,几个绝热成型体可以结合在一起,其中由膨润土和无机纤维​​组成的涂层作为粘合剂。 除了该层之外,绝热模制品可以具有一种或多种基于有机或无机漆系统,硅酮组合物或低熔点釉料的附加涂层。