Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1984-02-23
1985-09-17
Pertilla, Theodore E.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
174120SR, 310 43, 428380, 428413, 428458, 4284735, 525510, 525528, 525930, B32B 2708
Patent
active
045420645
ABSTRACT:
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.degree. 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.
REFERENCES:
patent: 3822147 (1974-07-01), Koerner et al.
patent: 4129678 (1978-12-01), Seki et al.
patent: 4379807 (1983-04-01), Otis et al.
patent: 4439914 (1984-04-01), Sassano
Chabata Sueji
Fukagawa Katsumi
Iizuka Hirokazu
Ito Kichizo
Miyako Hisao
Fujikura Ltd.
Pertilla Theodore E.
Tokyo Shibaura Denki Kabushiki Kaisha
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