Acrylate functional organosiloxane/oxyalkylene copolymers and electrically conductive compositions containing same and a solubilized lithium salt

Claim 2

A liquid, curable copolymer having the general formula R¹₃SiO(R²₂SiO) x (R³R⁴SiO) y (R³R⁵SiO) z SiR¹₃, where R¹ R² and R³ represent monovalent hydrocarbon or substituted monovalent hydrocarbon radicals, R⁴ represents -R⁶O(CH₂CH₂O) m A, R⁵ represents -R⁷O(CH₂CH₂O) n C(O)CR⁸=CH₂, R⁶ and R⁷ represent identical or different alkylene radicals containing from 2 to 12 carbon atoms, R⁸ represents methyl or hydrogen, A represents an alkyl, aryl or acyl radical, the values represented by m and n are from 4 to 20, the value represented by x is from 0 to 100, the value represented by y is from 0 to 200, the value represented by z is at least 2, the value of x + y + z is equivalent to a viscosity of up to 1 Pa·s at 25°C.

Claim 3

A solid, electroconductive organosiloxane copolymer comprising the product obtained by curing a liquid composition comprising A. an organosiloxane copolymer having the general formula R¹₃SiO(R²₂SiO) x (R³R⁴SiO) y (R³R⁵SiO) z SiR¹₃ , where R¹, R² and R³ represent monovalent hydrocarbon or substituted monovalent hydrocarbon radicals, R⁴ represents -R⁶O(CH₂CH₂O) m A, R⁵ represents -R⁷O(CH₂CH₂O) n C(O)CR⁸=CH₂, R⁶ and R⁷ represent identical or different alkylene radicals containing from 2 to 12 carbon atoms, R⁸ represents methyl or hydrogen, A represents an alkyl, aryl or acyl radical, the values represented by m and n are from 4 to 20, the value represented by x is from 0 to 100, the value represented by y is from 2 to 200, the value represented by z is at least 2, the value of x + y + z is equivalent to a viscosity of up to 1 Pa·s at 25°C., and B. an amount of a solubilized, ionizable lithium salt sufficient to impart a conductivity of at least 1x10⁻⁵ (ohm cm)⁻¹ to said copolymer.

Claim 4

A solid, electroconductive organosiloxane copolymer comprising the product obtained by curing a liquid composition comprising A. an organosiloxane copolymer having the general formula R¹₃SiO(R²₂SiO) x (R³R⁴SiO) y (R³R⁵SiO) z SiR¹₃ , where R¹, R² and R³ represent monovalent hydrocarbon or substituted monovalent hydrocarbon radicals, R⁴ represents -R⁶O(CH₂CH₂O) m A, R⁵ represents -R⁷O(CH₂CH₂O) n C(O)CR⁸=CH₂, R⁶ and R⁷ represent identical or different alkylene radicals containing from 2 to 12 carbon atoms, R⁸ represents methyl or hydrogen, A represents an alkyl, aryl or acyl radical, the values represented by m and n are from 4 to 20, the value represented by x is from 0 to 100, the value represented by y is from 2 to 200, the value represented by z is at least 2, the value of x + y + z is equivalent to a viscosity of up to 1 Pa·s at 25°C., and B. an amount of a solubilized, ionizable lithium salt sufficient to impart a conductivity of at least 1x10⁻⁵ (ohm cm)⁻¹ to said copolymer.

Claim 5

A solid cured electroconductive coating according to claim 2 prepared by applying said liquid composition to a metal substrate and curing said composition by exposing it to ultraviolet radiation or to an electron beam.

Claim 6

A liquid, curable copolymer having the general formula R¹₃SiO(R²₂SiO) x (R³R⁴SiO) y (R₃R₅SiO) z SiR¹₃, where R¹, R² and R³ represent monovalent hydrocarbon or substituted monovalent hydrocarbon radicals, R⁴ represents -R⁶O(CH₂CH₂O) m A, R⁵ represents -R⁷O(CH₂CH₂O) n C(O)CR⁸=CH₂, R⁶ and R⁷ represent identical or different alkylene radicals containing from 2 to 12 carbon atoms, R⁸ represents methyl or hydrogen, A represents an alkyl, aryl or acyl radical, the values represented by m and n are from 4 to 30, the values represented by x and y are each from 0 to 100, the value represented by z is at least 2 and the value of x + y + z is equivalent to a viscosity of up to 1 Pa·s at 25°C.

Claim 7

A liquid, curable copolymer having the general formula R¹₃SiO(R²₂SiO) x (R³R⁴SiO) y (R₃R₅SiO) z SiR¹₃, where R¹, R² and R³ represent monovalent hydrocarbon or substituted monovalent hydrocarbon radicals, R⁴ represents -R⁶O(CH₂CH₂O) m A, R⁵ represents -R⁷O(CH₂CH₂O) n C(O)CR⁸=CH₂, R⁶ and R⁷ represent identical or different alkylene radicals containing from 2 to 12 carbon atoms, R⁸ represents methyl or hydrogen, A represents an alkyl, aryl or acyl radical, the values represented by m and n are from 4 to 30, the values represented by x and y are each from 0 to 100, the value represented by z is at least 2 and the value of x + y + z is equivalent to a viscosity of up to 1 Pa·s at 25°C.