Abstract:
本文测定了超临界CO_2(SC-CO_2)-氟碳清漆-稀释剂拟三元体系相图,用L9(34)正交表考察了温度、压力、CO_2含量对含有超临界CO_2涂料液雾化效果和喷雾锥角的影响.结果表明,当温度低于70℃、压力大于10MPa、CO_2含量小于32%时均能使喷涂液处在稳定单相区,随着温度、压力和CO_2含量的增大,雾化粒子变细,喷雾锥角变大.在14MPa、CO_2含量32%(wt)和60℃下喷涂,其涂膜主要性能均达到了国家标准,喷涂过程VOC值降低了43.5%.
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福建建材
Year: 2007
Issue: 05
Page: 9-12
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