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Process for producing fine polyethylene powder

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专利汇可以提供Process for producing fine polyethylene powder专利检索,专利查询,专利分析的服务。并且It has been found that a fine powder of polyethylene, the average particle size of which is not more than 100 microns in diameter, is obtained by polymerizing ethylene at a temperature lower than the melting point of the produced polyethylene, by means of irradiation of an ionizing radiation or free radical initiator, dispersing the thus produced powder polyethylene in a water-miscible liquid dispersing medium which wets the polyethylene but does not substantially dissolve it, and the surface tension of which is not more than 32.5 dyne/cm, to dissociate the agglomerated polyethylene powder particles washing the dissociated polyethylene powder particles with water, and drying the particles.,下面是Process for producing fine polyethylene powder专利的具体信息内容。

  • 2. The process of claim 1 wherein the organic compound is acetone, or ethyl ether.
  • 3. The process of claim 1 wherein the polymerization is carried out in a liquid or gas-liquid mixed phase in the presence of the dispersing medium as the polymerization medium, and said dispersion takes place as the polymerization proceeds.
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