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1983 EIC 6th Electrical/Electronical Insulation Conference | 1983

New class H heat resistant magnet wire enamel

Yasunori Okada; Yuichi Osada; Yasushi Shinbo; Shozo Kasai

A new polyamideimide-ester resin (PAIE) has been developed by the reaction between polyamideimide macromer, polyfunctional carboxylic acids and polyfunctional alcohols. The molecular structure of the PAIE consists of polyamideimide chain which exhibits excellent heat resistance, physical and chemical properties, and a polyester chain which exhibits good flexibility and solubility in conventional solvents. The magnet wire enamel prepared from the PAIE exhibits excellent thermal stability as a class H magnet wire and is superior to that of polyesterimide at deterioration resistance, Overload resistance, refrigerant resistance and heat shock resistance.


Archive | 1982

Polyamide-imide resin composition

Yoshiyuki Mukoyama; Touichi Sakata; Yuichi Osada


Archive | 1983

Heat resistant resin and process for producing the same

Yuichi Osada; Shozo Kasai; Yasunori Okada; Isao Uchigasaki; Toyoji Oshima; Yoshiyuki Mukoyama; Hiroshi Nishizawa


Archive | 1977

Electrical insulating resin composition comprising a polyester resin or ester-imide resin

Yuichi Osada; Yasunori Okada; Shozo Kasai; Mineo Nakano; Shigeo Tachiki; Nobuyuki Hayashi; Masahiro Abo


Archive | 1982

Heat resistant resin composition comprising reaction product of polyamideimide resin, alcohol and acid component.

Yuichi Osada; Shozo Kasai; Yasunori Okada; Isao Uchigasaki; Toyoji Oshima; Yoshiyuki Mukoyama; Hiroshi Nishizawa


Archive | 1980

Polyamideimide resin compsn. - contains polyester resin contg. hydroxy gp. derived from terephthalic and/or isophthalic acid, for improved flexibility

Yoshiyuki Mukoyama; Touichi Sakata; Yuichi Osada


Archive | 1979

Polyesteramides and process for producing the same

Toshiaki Ishimaru; Hiroshi Nishizawa; Yuichi Osada


Archive | 1977

Electrical insulating coatings

Yasunori Okada; Yuichi Osada; Mineo Nakano; Shozo Kasai; Shigeo Tachiki; Nobuyuki Hayashi; Masahiro Abo


Archive | 1982

Hitzebestaendiges harz und verfahren zu seiner herstellung Hitzebestaendiges resin and process for its preparation

Yuichi Osada; Shozo Kasai; Yasunori Okada; Isao Uchigasaki; Toyoji Oshima; Yoshiyuki Mukoyama; Hiroshi Nishizawa


Archive | 1982

Heat-resistant resin, process for its preparation and its use in a composition for electrical insulating son

Yuichi Osada; Shozo Kasai; Yasunori Okada; Isao Uchigasaki; Toyoji Oshima; Yoshiyuki Mukoyama; Hiroshi Nishizawa

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