C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 179/08 (2006.01) H01B 3/30 (2006.01)
Patent
CA 2261770
The invention relates to wire enamels containing polyester imide and/or polyamide imide as binders, in which the binders contain, as a monomer element, amino-terminated polyoxyalkylene diamine. Preferred polyoxyalkylene diamines are selected from the group comprising polyoxyethylene diamine, polyoxypropylene diamine. The invention also relates to the use of the above- mentioned wire enamels for the coating of copper wires, in particular those that are strong, round or profiled.
L'invention concerne des émaux isolants, contenant comme liants un polyester-imide et/ou un polyamide-imide, lesdits liants renfermant, comme constituant monomère, une polyoxyalkylène-diamine avec des groupes amino terminaux. Les polyoxyalkylène-diamines préférées sont sélectionnées dans le groupe comprenant la polyoxyéthylène-diamine, la polyoxypropylène-diamine et la polyoxyéthylènepropylène-diamine. L'invention concerne en outre l'utilisation desdits émaux isolants pour revêtir des fils de cuivre, notamment des fils solides, profilés ou ronds.
Lehmann Helmut
Lienert Klaus-Wilhelm
Schmidt Gerold
Altana Electrical Insulation Gmbh
Fetherstonhaugh & Co.
Schenectady International Inc.
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