Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1982-10-07
1984-11-06
Bleutge, John C.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
427 541, 427116, 427120, 20415915, 20415919, 525920, 525921, 525923, 525922, 428418, C08F 250
Patent
active
044812582
ABSTRACT:
Disclosed is a UV-curable coating composition and method of preparing it, a method of coating a conductor with it, and the resulting coated conductor. The composition comprises about 20 to about 40% by weight of an acrylated epoxy which is the reaction product of an epoxy resin and an acrylate adduct. The acrylate adduct is the reaction product of an acrylate which may be either 2-hydroxyethyl acrylate, 2-hydroxypropyl acrylate, 2-hydroxyethyl methacrylate or mixture thereof, and either an anhydride or a diisocyanate. The anhydride may be phthalic anhydride, maleic anhydride, trimellitic anhydride, or mixtures thereof. The diisocyanate can be toluene diisocyanate, 4,4'-diisocyanato diphenyl methane, or mixtures thereof. The composition also includes about 4 to about 15% by weight of an acrylated blocked isocyanate which is the reaction product of caprolactam and an acrylated isocyanate. The acrylated isocyanate is the reaction product of an acrylate which can be 2-hydroxyethyl acrylate, 2-hydroxypropyl acrylate, 2-hydroxyethyl methacrylate, or mixtures thereof, with an isocyanate which can be toluene diisocyanate, 4,4'-diisocyanato diphenyl methane, or mixtures thereof. The composition also includes about 45 to about 65% by weight of a mono-acrylate of which at least 60% by weight is phenoxyethyl acrylate, about 5 to about 20% by weight of a polyacrylate of which at least about 50% is triethylene glycol diacrylate, about 2 to about 5% of a photoinitiator, and about 0.05 to about 0.3% by weight of an inhibitor.
REFERENCES:
patent: Re30772 (1981-10-01), Friedlander et al.
patent: 3373221 (1968-03-01), May
patent: 4221686 (1980-09-01), Sakiyama et al.
patent: 4317858 (1982-03-01), Sattler
Gorton, Jr. William S.
Sattler Frank A.
Bleutge John C.
Fuerle R. D.
Koeckert A. H.
Westinghouse Electric Corp.
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