Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1992-07-02
1994-11-29
Ryan, Patrick J.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
428404, 428405, 428207, 428325, 428447, 428454, 428689, 427215, 427219, 427314, 427344, 4273762, 4273978, B32B 900
Patent
active
053689364
ABSTRACT:
A granular material which includes an inorganic substrate has a ceramic coating which substantially reduces dust generation during processing of the granular material. The ceramic coating comprises the reaction product of an alkali metal silicate and an aluminosilicate, the ceramic coating further including a magnesium complex and an alkali metal chloride. The magnesium complex and alkali metal chloride are dispersed within the coating. It has been found that the use of magnesium chloride alone eliminates the use of oil in preventing dusting of the resultant granule material. Methods of producing such ceramic-coated granular materials are also disclosed, as well as methods of reducing dust generation using magnesium chloride.
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Braunschweig Ehrich J.
Graham Joseph
Nauman Margaret M.
Griswold Gary L.
Kirn Walter N.
Macholl Marie R.
Minnesota Mining and Manufacturing Company
Ryan Patrick J.
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