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    • 5. 发明授权
    • Scleroglucan as a rheological modifier for thermal insulation fluids
    • 作为热绝缘液的流变改性剂的硬皮葡聚糖
    • US5876619A
    • 1999-03-02
    • US825640
    • 1997-04-01
    • C. Bryan SkaggsJohn M. Swazey
    • C. Bryan SkaggsJohn M. Swazey
    • C08L5/00C09K3/18F16L59/00
    • C08L5/00C09K3/185
    • This invention is directed to a rheologically modified composition containing scleroglucan in an polyol base fluid. The amount of scleroglucan present in the composition is an effective amount to viscosity an polyol base fluid to the point of substantially reducing convection flow in the composition. The composition may be used as an effective thermal insulation material. Applications for this type of insulating material include, among others, use as a de-icing fluid and use as a pipeline insulator. The rheologically modified insulation composition of this invention may be particularly suitable for maintaining high oil temperature during conveyance within a pipe located in a relatively low temperature environment such as sea water.
    • 本发明涉及在多元醇基础液中含有硬葡聚糖的流变改性组合物。 存在于组合物中的硬皮葡聚糖的量是使多元醇基础液体粘度达到组合物中基本上减少对流的程度的有效量。 组合物可以用作有效的绝热材料。 用于这种类型的绝缘材料的应用包括用作除冰流体并用作管道绝缘体。 本发明的流变改性绝热组合物可特别适用于在位于相对较低温度环境(例如海水)内的管道内保持高的油温。