Self-bonding enameled wire and hermetic compressor motor...

Details Self-bonding enameled wire and hermetic compressor motor... Self-bonding enameled wire and hermetic compressor motor...

H - Electricity

01

B

337/82

H01B 3/40 (2006.01) B32B 27/08 (2006.01) C09J 163/00 (2006.01) C09J 171/00 (2006.01) H01B 3/30 (2006.01) H01B 3/42 (2006.01)

Patent

CA 1210103

- 1 - ABSTRACT TITLE: SELF-BONDING ENAMELED WIRE AND HERMETIC COMPRESSOR MOTOR USING THE SAME The self-bonding enameled wire has an electric insulation layer coated thereon and a bonding layer coated over the insulation layer. The bonding layer is prepared with a mixture including: (a) 100 parts by weight of a phenoxy resin and/or an epoxy resin, both the resins containing not larger than 5 ppm of sodium chloride and having a limiting viscosity of not less than 0.440 as measured in tetrahydrofuran solvent at 25° C; and (b) 20 to 100 weight parts of a n-butylated melamine resin. In place of this n-butylated melamine resin, there is, according to another aspect of the present invention, used 20 to 50 parts by weight of a mixture of a stabilized polyisocyanate and one of a n-butylated melamine resin and a benzoguanamine resin is used. These self bonding enameled wire are excellent in refrigerant resistance and may be suitably used for windings of a stator coil in hermetic compressor motors.

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