Norbornene dicarboximide polymer dielectric devices

Details Norbornene dicarboximide polymer dielectric devices Norbornene dicarboximide polymer dielectric devices

H - Electricity

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H01B 3/30 (2006.01) C08G 61/08 (2006.01) H01G 4/18 (2006.01) H01R 4/70 (2006.01) H01R 13/46 (2006.01) H05K 1/03 (2006.01)

Patent

CA 2058016

04-21(11039)A NORBORNENE DICARBOXIMIDE POLYMER DIELECTRIC DEVICES ABSTRACT OF THE DISCLOSURE Electrical devices, e.g. molded circuit boards, connectors and capacitors, fabricated from electrical insulating component, comprising norbornene dicarboximide thermoplastic polymer exhibiting a glass transition temperature greater than about 200°C, mois- ture absorption after equilibrating in boiling water of less than about 3 weight percent and an electrical permittivity at 1000 hertz measured at 25°C and 50 percent relative humidity of less than 2.8. Preferred polymers comprise N-methyl norbornene dicarboximide, N-ethyl norbornene dicarboximide, N-propyl norbornene dicarboximide, N-butyl norbornene dicarboximide, N- trifluoroethyl norbornene dicarboximide, N-phenyl norbornene dicarboximide, N-trifluoromethylphenyl norbornene dicarboximide, N-cyclohexyl norbornene dicarboximide, N-cycloheptyl norbornene dicarboximide, N-cyclooctyl norbornene dicarboximide.

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