Abrasion resistant coatings comprising silicon dioxide dispersions
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United States of America Patent
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Apr 14, 1992
Issued Date -
N/A
app pub date -
Jul 18, 1989
filing date -
Apr 11, 1988
priority date (Note) -
Expired
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Abstract
Transparent abrasion resistant coatings capable of withstanding 1000 hours of accelerated weathering are comprised of colloidal silicon dioxide particles dispersed in ethylenically unsaturated aliphatic and/or cycloaliphatic monomers that are substituted by a protic group. The coatings are useful in protecting plastic, wood, metal and ceramic surfaces.
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