Organic fluorine compounds and curable compositions

A curable composition comprising

• (A) a fluorinated amide compound having at least two aliphatic unsaturated groups in a molecule and represented by the following general formula (1):
• ##STR48## wherein R.sup.1 are independently selected from substituted or unsubstituted monovalent hydrocarbon groups having an aliphatic unsaturated group,
• R.sup.2 are independently selected from the substituted or unsubstituted monovalent hydrocarbon groups,
• Q.sup.1 is a group represented by the following general formula (2) or (3):
• ##STR49## wherein R.sup.3 is a substituted or unsubstituted divalent hydrocarbon group which may have at least one intervening atom selected from oxygen, nitrogen and silicon atoms, R.sup.4 and R.sup.5 are independently selected from substituted or unsubstituted divalent hydrocarbon groups,
• Rf.sup.1 is a divalent perfluoroalkylene or perfluoropolyether group, and
• letter a is an integer inclusive of 0,
• (B) a fluorinated organohydrogensiloxane containing at least one monovalent perfluoroalkyl ether or perfluoroalkyl group and at least two hydrosilyl groups in a molecule, and
• (C) a catalytic amount of a platinum group compound, component (B) being present in an amount to give 0.5 to 5 mol of the hydrosilyl group per mol of the aliphatic unsaturated group in the composition.

A curable composition comprising

• (D) a fluorinated amide compound having at least two aliphatic unsaturated groups in a molecule and represented by the following general formula (4):
• ##STR50## wherein R.sup.1 is a substituted or unsubstituted monovalent hydrocarbon group having an aliphatic unsaturated group,
• Q.sup.2 is a group represented by the following general formula (5):
• ##STR51## wherein R.sup.3 is a substituted or unsubstituted divalent hydrocarbon group which may have at least one intervening atom selected from oxygen, nitrogen and silicon atoms,
• Rf.sup.1 is a divalent perfluoroalkylene or perfluoropolyether group, and
• letter a is an integer inclusive of 0,
• (E) a fluorinated organohydrogensiloxane containing in a molecule at least two hydrosilyl groups and at least one group of the following general formula (6):
• ##STR52## wherein Rf.sup.2 is a monovalent perfluoroalkyl or perfluoroalkyl ether group, R.sup.6 is a divalent hydrocarbon group, and R.sup.7 is a hydrogen atom or monovalent hydrocarbon group, and
• (C) a catalytic amount of a platinum group compound, component (E) being present in an amount to give 0.5 to 5 mol of the hydrosilyl group per mol of the aliphatic unsaturated group in the composition.