| 摘要 |
A fluorinated curable composition contains as main components, (A) a linear polyfluoro compound of the formula (1): CH2=CH-(X)a-Rf<1>-(X)a-CH=CH2 wherein X is -CH2-, -CH2O-, etc., Rf<1> is a divalent perfluoroalkylene or perfluorooxyalkylene group, and "a" is 0 or 1, (B) a linear polyfluoro compound of the formula (2): Rf<2>-(X)a-CH=CH2 wherein X and "a" are as defined above, and Rf<2> is a monovalent perfluoroalkyl or perfluorooxyalkyl group, (C) an organosilicon compound having at least two hydrosilyl groups, (D) a platinum group catalyst, and (E) a fluorinated organopolysiloxane. The composition is vacuum deaeratable and foam breakable, cures into a gel having improved chemical and solvent resistance, and is suited for the potting, sealing and coating of electric and electronic parts. |
