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    • 6. 发明授权
    • Method of determining emissions from powder coatings
    • 确定粉末涂料排放的方法
    • US5686312A
    • 1997-11-11
    • US593208
    • 1996-01-29
    • Robert W. HuffSusan M. MillerJoanne M. Szydlowski
    • Robert W. HuffSusan M. MillerJoanne M. Szydlowski
    • G01N30/06G01N30/12
    • G01N30/06G01N2030/121G01N2030/125Y10T436/12
    • 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.
    • 一种在粉末涂料组合物固化期间减少由挥发性物质引起的残留物形成的方法,包括以下步骤:将不同的粉末涂料组合物施加到分离的碱; 将每个涂覆的基底放置在单独的提取室中; 将每个单独的提取室放置在固化炉中; 在固化炉中的相应提取室中加热涂覆的基底以固化温度以固化涂料组合物,同时使空气流通过相应的萃取室,以在固化过程中捕获来自空气流中的挥发性物质的挥发性排放物 ; 同时使相应的空气流从固化炉中流出并冷却流以将来自每个组合物的挥发性发射物冷凝成可收集的形式; 确定每种组合物排放的产品的数量; 并比较来自每种组合物的排放产物的量以确定产生最少排放物的组成。