Patent ID: 6653571
Filing Date: 2003-11-25
Classification: C08K,H01B,Y02A

Abstract:
An electrical insulation material which is suitable for high voltage applications, comprising:(a) a polymeric material; and (b) an additive incorporated into the polymeric material in which the mass of the additive is 0.5 to 2.5% of the mass of the polymeric material, and in which the additive is a mixture of compounds, said mixture including a compound from each of i) through vii) below: CF3(CF2)5(CH2)2â€”O2C(CH2)xCO2â€”(CH2)2(CF2)5CF3;â€ƒâ€ƒi) CF3(CF2)5(CH2)2â€”O2C(CH2)xCO2â€”(CH2)2(CF2)7CF3;â€ƒâ€ƒii) CF3(CF2)5(CH2)2â€”O2C(CH2)xCO2â€”(CH2)2(CF2)9CF3; or CF3(CF2)7(CH2)2â€”O2C(CH2)xCO2â€”(CH2)2(CF2)7CF3;â€ƒâ€ƒiii) CF3(CF2)5(CH2)2â€”O2C(CH2)xCO2â€”(CH2)2(CF2)11CF3; or CF3(CF2)7(CH2)2â€”O2C(CH2)xCO2â€”(CH2)2(CF2)9CF3;â€ƒâ€ƒiv) CF3(CF2)7(CH2)2â€”O2C(CH2)xCO2â€”(CH2)2(CF2)11CF3; or CF3(CF2)9(CH2)2â€”O2C(CH2)xCO2â€”(CH2)2(CF2)9CF3;â€ƒâ€ƒv) CF3(CF2)9(CH2)2â€”O2C(CH2)xCO2â€”(CH2)2(CF2)11CF3;â€ƒâ€ƒvi) andCF3(CF2)11(CH2)2â€”O2C(CH2)xCO2â€”(CH2)2(CF2)11CF3;â€ƒâ€ƒvii) where x is an integer independently selected for each compound from the range 10 to 14.