A Dutch company has unveiled what it believes to be the first commercial dyeing machine to replace water with supercritical carbon dioxide—a pressurized form of the gas with unusual liquid-like properties. Heated up to 31 degrees Celsius (88 degrees Fahrenheit) and pressurized to 74 bar, CO2 takes on the characteristics of both a liquid and a gas, allowing for the dissolution of compounds such as dyes.
New Fabric-dyeing Technique Uses Fluid-state Co2, Not Water
digg.com: Top News, Digg
Sun, 09/05/2010 - 12:02am
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