Coated abrasive article with composite tie layer, and method of making and using the same
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United States of America Patent
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Dec 19, 2006
Grant Date -
Dec 22, 2005
app pub date -
Jun 18, 2004
filing date -
Jun 18, 2004
priority date (Note) -
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Abstract
Coated abrasive articles have a composite tie layer. The composite tie layer is preparable by disposing a first polymerizable composition comprising a polyfunctional aziridine on a backing, and disposing a second polymerizable composition comprising at least one acidic free-radically polymerizable monomer and at least one oligomer having at least two pendant free-radically polymerizable groups on the first polymerizable composition, at least partially polymerizing the first and second polymerizable compositions, wherein homopolymerization of the oligomer results in a polymer having a glass transition temperature of less than 50 degrees Celsius.
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