EP0803528A1

Fluorosilicone compound and composition containing the same

Abstract

A novel fluorosilicone compound having at least two hydroxyl groups in its molecule and a curable composition containing such a compound and a commercially available general purpose curing agent; the compound is used suitably for a lubricant and a fiber treating agent, and the curable composition is used suitably for a mold releasing agent, a water- and oil-repelling agent, a stain-proof coating agent, a non-tackifying coating agent, a coating agent for optical use and a sealant.

EP0803528A1, drawing sheet 1
Sheet 1 of 127

Term

Term ended

Projected expiry passed 25 May 2015, 11.3 years ago.

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12 claims: 4 independent, 8 dependent

  1. 1
    A fluorosilicone compound having at least two hydroxyl groups in its molecule and represented by the formula (I):wherein Rf is a perfluoroalkyl group having 4 to 20 carbon atoms and a part of fluorine atoms may be replaced by chlorine atom, hydrogen atom or the both of them;R1 is an alkylene group having 1 to 5 carbon atoms or a hydroxyalkylene group having 2 to 5 carbon atoms;R2 is an alkylene group having 1 to 12 carbon atoms, an oxyalkylene group having 2 to 50 carbon atoms or a hydroxyalkylene group having 3 to 15 carbon atoms;R3 and R4 are the same or different and each is at least one of an alkyl having 1 to 4 carbon atoms, phenyl or a fluoroalkyl group having 1 to 3 carbon atoms;X is oxygen atom, sulfur atom, NH or CO2;a is an integer of 5 to 1,000;provided that at least one of R1 or R2 is said hydroxyalkyl group.
  2. 2
    A fluorosilicone compound represented by the formula (II):wherein Rf is a perfluoroalkyl group having 4 to 20 carbon atoms and a part of fluorine atoms may be replaced by chlorine atom, hydrogen atom or the both of them;R1 is an alkylene group having 1 to 5 carbon atoms or a hydroxyalkylene group having 2 to 5 carbon atoms;R2 is an alkylene group having 1 to 12 carbon atoms, an oxyalkylene group having 2 to 50 carbon atoms or a hydroxyalkylene group having 3 to 15 carbon atoms;R3, R4, R5 and R6 are the same or different and each is at least one of an alkyl having 1 to 4 carbon atoms, phenyl or a fluoroalkyl group having 1 to 3 carbon atoms;X is oxygen atom, sulfur atom, NH or CO2;both of y and z are an integer, the sum of them is an integer of 5 to 1,000 and y/z is in the range of 0.5 to 200;provided that z is not less than 2 and at least one of R1 or R2 is said hydroxyalkylene group.
  3. 3
    A curable fluorosilicone composition containing one or more of fluorosilicone compounds having at least two hydroxyl groups in its molecule and represented by the formula (I):wherein Rf is a perfluoroalkyl group having 4 to 20 carbon atoms and a part of fluorine atoms may be replaced by chlorine atom, hydrogen atom or the both of them;R1 is an alkylene group having 1 to 5 carbon atoms or a hydroxyalkylene group having 2 to 5 carbon atoms;R2 is an alkylene group having 1 to 12 carbon atoms, an oxyalkylene group having 2 to 50 carbon atoms or a hydroxyalkylene group having 3 to 15 carbon atoms;R3 and R4 are the same or different and each is at least one of an alkyl having 1 to 4 carbon atoms, phenyl or a fluoroalkyl group having 1 to 3 carbon atoms;X is oxygen atom, sulfur atom, NH or CO2;a is an integer of 5 to 1,000;provided that at least one of R1 or R2 is said hydroxyalkyl group, and one or more of the compounds represented by the formula (III):         (R7)aSiZ4-a     (III) wherein R7 is an alkyl, a fluoroalkyl group, an alkenyl or phenyl, a is 0 or 1, Z is at least one of halogen atom, an alkoxyl group, an acyloxyl group, a ketoxime group, an alkenyloxy group, an amino group or an amido group.
  4. 4
    A curable fluorosilicone composition comprising one or more of the fluorosilicone compounds having at least two hydroxyl groups in its molecule and represented by the formula (II):wherein Rf is a perfluoroalkyl group having 4 to 20 carbon atoms and a part of fluorine atoms may be replaced by chlorine atom, hydrogen atom or the both of them;R1 is an alkylene group having 1 to 5 carbon atoms or a hydroxyalkylene group having 2 to 5 carbon atoms;R2 is an alkylene group having 1 to 12 carbon atoms, an oxyalkylene group having 2 to 50 carbon atoms or a hydroxyalkylene group having 3 to 15 carbon atoms;R3, R4, R5 and R6 are the same or different and each is at least one of an alkyl having 1 to 4 carbon atoms or a fluoroalkyl group having 1 to 3 carbon atoms;X is oxygen atom, sulfur atom, NH or CO2;both of y and z are an integer, the sum of them is an integer of 5 to 1,000 and y/z is in the range of 0.5 to 200;provided that z is not less than 2 and at least one of R1 or R2 is said hydroxyalkylene group, and one or more of the compounds represented by the formula (III):         (R7)aSiZ4-a     (III) wherein R7 is an alkyl, a fluoroalkyl group, an alkenyl or phenyl, a is 0 or 1, Z is halogen atom, an alkoxyl group, an acyloxyl group, a ketoxime group, an alkenyloxy group, an amino group or an amido group.