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The Application of Calcium Sulfate Whisker in Styrene-Acrylic Emulsions
Abstract:
The styrene-acrylic emulsions were prepared by copolymerization of styrene, acrylic acid and n-butyl acrylate; coatings were achieved by adding calcium sulfate whiskers and titanium dioxides at the presence of dispersing agents and rheological additives. The physical and mechanical properties as well as contact angles of coating films formed on tinplate were characterized in detail. The pencil hardness was slightly decreased; the contact angle was greatly decreased from 69.8o to 12oby adding the calcium sulfate to indicate the hydrophilic coating films may have self-cleaning properties.
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821-824
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Online since:
October 2010
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© 2011 Trans Tech Publications Ltd. All Rights Reserved
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