Additives for lead-free frits

Details Additives for lead-free frits Additives for lead-free frits

1991-10-31

1992-09-22

Pianalto, Bernard

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

4273762, B05D 700

Patent

active

051495651

ABSTRACT:
This invention is drawn to a method for eliminating the grayish discoloration which customarily develops when lead-free and cadmium-free glass frits are applied to substrates employing an organic vehicle and which are thereafter fired to fuse the frit particles into a glaze. The grayish hue results from a carbonaceous residue left upon thermally decomposing the organic vehicle. The inventive method comprises five general elements:

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