Filtration stabilization of autodeposition baths
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United States of America Patent
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Apr 28, 1987
Grant Date -
N/A
app pub date -
Jun 4, 1985
filing date -
Jun 4, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for stabilizing the iron salt content of a PVDC latex autodeposition bath by: filtering a metered portion of the bath to separate it into a filtrate containing the iron salts and a retentate containing the latex and pigment particles; discarding the filtrate; recycling the retentate back into the bath; and adding D.I. water in a volume equal to that of the filtrate.
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