Lead-free glass coatings

Details Lead-free glass coatings Lead-free glass coatings

1992-09-04

1994-04-26

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 21, 501 17, 501 79, 501 26, 4274194, 4273762, C03C 3066, C03C 804, C03C 814

Patent

active

053066740

ABSTRACT:
This invention relates to a lead-free glass coating made by firing a lead-free glass enamel composition comprising a glass frit having by weight from about 20% to about 40% zinc oxide, from about 20% to about 32% boron oxide, and from about 10% to about 30% silicon dioxide, from about 0% to about 12% titanium dioxide, from about 4% to about 12% sodium oxide, from about 0% to about 10% potassium oxide, from about 0% to about 12% zirconia, up to about 4% alumina, up to about 5% lithium and up to about 5% fluorine. The lead-free glass coating exhibits excellent adhesion and improved acid resistance.

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Chemical Abstracts, vol. 106, No. 6, Feb. 1987, (Columbus, Ohio), p. 289, Abstract 37474r.

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