Politecnico di Torino, Department of Applied Science and Technology, C.so Duca degli Abruzzi 24, 10129 Torino, Italy.
Politecnico di Torino, Department of Applied Science and Technology, C.so Duca degli Abruzzi 24, 10129 Torino, Italy.
Ultrason Sonochem. 2015 Mar;23:324-32. doi: 10.1016/j.ultsonch.2014.09.004. Epub 2014 Sep 16.
Wet textile washing processes were set up for wool and cotton fabrics to evaluate the potential of ultrasound transducers (US) in improving dirt removal. The samples were contaminated with an emulsion of carbon soot in vegetable oil and aged for three hours in fan oven. Before washing, the fabrics were soaked for 3 min in a standard detergent solution and subsequently washed in a water bath. The dirt removal was evaluated through colorimetric measurements. The total color differences ΔE of the samples were measured with respect to an uncontaminated fabric, before and after each washing cycle. The percentage of ΔE variation obtained was calculated and correlated to the dirt removal. The results showed that the US transducers enhanced the dirt removal and temperature was the parameter most influencing the US efficiency on the cleaning process. Better results were obtained at a lower process temperature.
建立了湿纺织洗涤工艺，用于评估超声波换能器（US）在提高去污能力方面的潜力。样品用植物油中的碳黑乳液污染，并在风扇烘箱中老化 3 小时。洗涤前，将织物在标准洗涤剂溶液中浸泡 3 分钟，然后在水浴中洗涤。通过比色测量评估去污效果。在每个洗涤循环前后，用分光光度计测量样品相对于未污染织物的总色差 ΔE。计算得到的 ΔE 变化百分比，并与去污效果相关联。结果表明，超声波换能器增强了去污效果，温度是影响超声波清洗效率的最主要参数。在较低的工艺温度下可获得更好的效果。
