C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 59/62 (2006.01) C08L 63/00 (2006.01)
Patent
CA 2517602
A cured epoxy coating comprising from about 30% to about 40% of at least one epoxy resin selected from the group consisting of diglycidyl ethers of bisphenol A, from about 55% to about 60% of a particulate flame retardant, from about 1% to about 4% of at least one multifunctional hindered phenol; and no more than about 5% of at least one adhesion promoter. The cured coating provides insulation for electrical current carriers and has an average surface roughness from about 10~m to about 13~m as measured using a Pethometer M4P 150 surface profile measuring instrument.
La présente invention concerne un revêtement d'époxy durci comprenant d'environ 30% à environ 40% d'au moins une résine époxy choisie dans le groupe des diglycidyl éthers de bisphénol A, d'environ 55% à environ 60% d'un agent ignifugeant particulaire, d'environ 1% à environ 4% d'au moins un phénol multifonctionnel encombré, et pas plus d'environ 5% d'au moins un promoteur d'adhésion. Le revêtement durci sert d'isolant à des supports de courant électrique et a une rugosité de surface moyenne d'environ 10 µm à environ 13 µm, mesurée au moyen d'un instrument de mesure de profil de surface Pethometer M4P 150.
Guilbert Curtis R.
Huang Steven H.
3m Innovative Properties Company
Smart & Biggar
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