Method of determining emissions from powder coatings

Details Method of determining emissions from powder coatings Method of determining emissions from powder coatings

1996-01-29

1997-11-11

Alexander, Lyle A.

Chemistry: analytical and immunological testing

Including chromatography

436 55, 427384, G01N 3012

Patent

active

056863128

ABSTRACT:
A method for reducing residue formation caused by volatile materials during the curing of powder coating compositions which includes the steps of applying different powder coating compositions to separate bases; placing each coated base in a separate extraction chamber; placing each separate extraction chamber in a curing oven; heating the coated base in its respective extraction chamber in the curing oven to curing temperature to cure the coating composition, and simultaneously flowing a stream of air through the respective extraction chamber to capture volatile emissions from the volatile materials in the air stream during the curing process; simultaneously flowing the respective stream of air out of the curing oven and chilling the stream to condense the volatile emissions from each of the compositions to a collectable form; determining the quantity of the emitted product from each of the compositions; and comparing the quantity of emitted product from each of the compositions to determine the composition that produced the least emissions.

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