Coated structural articles
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United States of America Patent
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Oct 12, 1999
Issued Date -
N/A
app pub date -
Aug 14, 1998
filing date -
Jun 27, 1997
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A structural article comprises a substrate having an ionic charge which is coated with a coating having essentially the same ionic charge. The coating consists essentially of a filler material and a binder material. The substrate is preferably fiberglass, the filler is selected from the group consisting of fly ash, charged calcium carbonate, ceramic microspheres and mixtures thereof and the binder material is preferably acrylic latex. The substrate is preferably bonded together using a mixture of urea formaldehyde and standard acrylic. In a preferred embodiment, the coating comprises nearly 85% of the structural article and a filler which is approximately 50% fly ash and 50% calcium carbonate comprises approximately 85% to 95% of the coating.
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