| 摘要 |
PURPOSE:To obtain the titled composition capable of carrying out uniform coating of a halogen-containing polyether surface lubricant, having a small evaporation loss, comprising trichlorotrifluoroethane and a halogen compound having a higher boiling point than that of trichlorotrifluoroethane. CONSTITUTION:The aimed composition comprising (A) trichlorotrifluoroethane (47 deg.C boiling point) and (B) a halogen compound {e.g. tetrachlorodifluoroethane (92.8 deg.C), tetrachlorohexafluorobutane (133-134 deg.C) or dichlorooctafluorobutane (63 deg.C) having a higher boiling point than that of trichlorofluoroethane in the weight ratio of the component A/B=usually 1/10-10/1. |
