Powdered epoxy composition

Details Powdered epoxy composition Powdered epoxy composition

C - Chemistry, Metallurgy

08

L

C08L 63/00 (2006.01) C08G 59/62 (2006.01)

Patent

CA 2468699

The present invention provides for a powdered epoxy composition particularly well suited for coating electrical windings. The composition comprises (a) from about 30 to 40 wt% of at least one crystalline epoxy; (b) from about 10 to 40 wt% of at least one phenolic resole resin; and (c) from about 1 to 40 wt% of at least one multifunctional branched hindered phenol, wherein all weight percentages are based on the total weight of said composition.

La présente invention porte sur une composition époxy en poudre particulièrement bien appropriée pour le gainage d'enroulements électriques. Cette composition comprend (a) d'environ 30 à 40 % en poids d'au moins un époxy cristallin; (b) d'environ 10 é 40 % en poids d'au moins une résine phénolique du type résol; et (c) d'environ 1 à 40 % en poids d'au moins un phénol encombré, ramifié, multifonctionnel, tous les pourcentages en poids étant indiqués par rapport au poids total de la composition.

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