Prevention of particle redeposition onto organic surfaces
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United States of America Patent
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-
Jun 18, 2002
Grant Date -
Nov 29, 2001
app pub date -
Feb 13, 2001
filing date -
Feb 14, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Method for preventing the formation of coating defects in polymeric coated surfaces in a coating process comprising a plurality of steps that occur prior to the polymeric coating of said surfaces and that contact organic and metal surfaces with a plurality of aqueous compositions in which accumulate in suspension resin particles released from said metal surfaces. Suspended resin particles are prevented from re-depositing on the organic surfaces by converting said surfaces to hydrophilic character by means of oxidizing said surfaces prior to contacting the oxidized surfaces with said suspensions.
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