Application of Octamethylcyclotetrasiloxane/Perfluorocarbon V a p toor Phase Cleaning of Oil

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  • 工作油の洗浄へのオクタメチルシクロテトラシロキサン/ペルフルオロカーボンの適用
  • Studies on Precision Cleaning. I. Application of Octamethylcyclotetrasiloxane/Perfluorocarbon to Vapor Phase Cleaning of Oil.

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Description

Perfluorocarbons are promising, non-ozone depleting compounds as alternatives to 1, 1, 2-trichloro1, 2, 2-trifluoroethane (CFC113), the latter being accelerated to be phased out of precision cleaning systems. This is because perfluorocarbons have similar physical properties to CFC113. However, they hardly dissolve most compounds. We have found that perfluorooctane (PFO) and octamethylcyclotetrasiloxane (D4) are miscible with each other in a temperature range of 80∼103 °C. We anticipated that washing contaminants deposited on precision parts with D4 and the subsequent vapor phase cleaning with PFO would be promising. Various vapor phase cleanings of test panels contaminated with a model compound were examined. It has been found that the D4/PFO system is promising as an alternative to CFC113.

Journal

  • NIPPON KAGAKU KAISHI

    NIPPON KAGAKU KAISHI 1996 (8), 742-746, 1996-08-10

    The Chemical Society of Japan

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