Chemically durable, low-e coating compatible black enamel compositions
OwnerJin Woo HAN, Eunhack JANGinventors
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Abstract
A black enamel composition includes a glass frit, a black pigment and an organic vehicle, wherein the glass frit includes 50 to 70 wt % of Bi2O3, 7.0 to 10.0 wt % of SiO2, 6.0 to 8.0 wt % of B2O3, 10.0 to 15.0 wt % of ZnO, 1.0 to 2.0 wt % of Al2O3, 3.2 to 10.9 wt % of the total of Co3O4, NiO2 and Fe2O3, based on the total weight of the glass frit, wherein the black pigment is 3 to 10 wt % relative to the total weight of the glass frit.
Claims9
A black enamel composition comprising a glass frit, a black pigment and an organic vehicle, wherein the glass frit comprises 50 to 70 wt % of Bi2O3, 7.0 to 10.0 wt % of SiO2, 6.0 to 8.0 wt % of B2O3, 10.0 to 15.0 wt % of ZnO, 1.0 to 2.0 wt % of Al2O3, 3.2 to 10.9 wt % of the total of Co3O4, NiO2 and Fe2O3, based on the total weight of the glass frit, wherein the black pigment is 3 to 10 wt % relative to the total weight of the glass frit.
Dependencies are inferred from the claim text.