PLASMA TREATMENT OF THERMOSET FILLER PARTICULATE
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United States of America Patent
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Jul 14, 2016
app pub date -
Oct 30, 2014
filing date -
Sep 6, 2013
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Abstract
A method for forming an article from a thermoset resin containing particle filler of glass microspheres is provided and includes exposing the particle filler to plasma to increase activation sites on the particle filler; and crosslinking said particle filler to the thermoset set resin via the activation sites. The method provides an exemplary method for treating thermoset fillers to promote bonding to a thermoset matrix. The present invention further provides an apparatus for treating thermoset fillers to promote bonding to a thermoset matrix which includes a fluidized bed reactor; at. least one gas source; at least, one valve for isolating said one gas source: and at least one gas inlet in fluid communication with said at least one gas source for gas delivery to said a fluidized bed reactor.
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