Water-based flushing for paints and other coatings

Details Water-based flushing for paints and other coatings Water-based flushing for paints and other coatings

1997-10-15

1998-12-29

Lieberman, Paul

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

For cleaning a specific substrate or removing a specific...

510202, 510212, 510252, 510272, 510421, 510435, 510437, C11D 166, C11D 308

Patent

active

058541900

ABSTRACT:
An apparatus, method and purge concentrate are capable of purging water-based and non-water-based paints and other coatings from automated and manual equipment using non-VOC containing aqueous purge solutions. Purge solutions of the invention contain water, detergent builder and wetting agents. The solution is maintained at a selected concentration and at a selected elevated temperature range by continuously recirculating the solution through the automated coating equipment. For manual equipment the solution is set at the correct concentration and maintained at the correct temperature range. For an automated system, spent purge solution can be reconditioned and recirculated to avoid waste.

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