Method of modifying a fluoropolymeric substrate and composite articles thereby
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United States of America Patent
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Sep 25, 2007
Grant Date -
May 5, 2005
app pub date -
Nov 5, 2003
filing date -
Nov 5, 2003
priority date (Note) -
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Abstract
Fluoropolymeric substrates are modified by a photochemical process that includes at least one species having the formula ##STR00001## wherein: R represents hydrogen or an alkyl or cycloalkyl group having from 1 to 18 carbon atoms or an aryl, alkaryl, or aralkyl group having from 6 to 18 carbon atoms; X represents O or NH; and each of R.sub.1, R.sub.2, R.sub.3, and R.sub.4 independently represents H, an alkyl group having from 1 to 18 carbon atoms, an alkenyl group having from 1 to 18 carbon atoms, an aryl group having from 6 to 10 carbon atoms, or any two of R, R.sub.1, R.sub.2, R.sub.3, and R.sub.4 taken together represent an alkylene group having from 2 to 6 carbon atoms, with the proviso that at least one of R.sub.1 and R.sub.2 or at least one of R.sub.3 and R.sub.4 is not H.
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