| 摘要 |
THERE IS DISCLOSED AN ELECTRICAL INSULATION MEDIUM, COMPRISING OR CONSISTING OF AT LEAST ONE OF THE FOLLOWING COMPOUNDS. THE FIRST COMPOUND IS A FLUORINATED KETONE FROM THE GROUP OF FLUORINATED KETONES C4?C8 WITH THE GENERAL FORMULA R?C (O)-R?, WHEREIN R AND R? ARE PARTIALLY FLUORINATED OR PERFLUORINATED SUBSTITUENTS. THE SECOND COMPOUND IS A FLUORINATED KETONE FROM THE GROUP OF FLUORINATED KETONES C5?C7, C9, C10, C11, C13, C14, C15. |
