Epoxy-containing dental composition curable by multiple polymerization mechanisms
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United States of America Patent
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May 24, 2016
Grant Date -
Jun 7, 2012
app pub date -
Jun 11, 2010
filing date -
Jun 11, 2009
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Abstract
Polymerizable compositions are provided that contain an epoxy compound and a polymerizable, ethylenically-unsaturated resin having an acid functional group where the epoxy compound is polymerized by cationic polymerization initiated by the acid functional group and the polymerizable, ethylenically-unsaturated resin is polymerized by free-radical polymerization. To that end, a two-part polymerizable composition is provided that has a first part containing the epoxy compound; and a second part containing the polymerizable, ethylenically-unsaturated resin having an acid functional group. The first part and/or the second part further contain a radical initiator effective to initiate either self-curing or light-curing by free-radical polymerization.
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