PRODUCTION OF GRANULATED FILLED POLYTETRAFLUOROETHYLENE POWDER

申请公布号：JPH04185647(A)

申请号：JP19900318657

申请日期：1990.11.21

申请公布日期：1992.07.02

申请人：

DAIKIN IND LTD

发明人：HONDA NORIMASA;YUGAWA HIROKAZU;SAWADA KAZUHIDE;IDEMORI KENJIROU

分类号：C08J3/12;B29B9/14;B29K27/18;C08J3/20

主分类号：C08J3/12

摘要：PURPOSE:To obtain the title powder of excellent powder flow by granulating a polytetrafluoroethylene powder and a hydrophobic filler by agglomeration under specified conditions. CONSTITUTION:A polytetrafluoroethylene powder and a hydrophobic filler (e.g. gamma-aminopropyltriethoxysilane-treated glass fiber powder) are agitated in water in the presence of a fluoroalkyl alcohol (e.g. 5-fluoropropanol), and a water-insoluble organic liquid (e.g. CFC-112) is added to the mixture to granulate them by agglomeration.

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