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Study of Nano Attapulgite Inorganic and Organic Copolymer Coatings

Yang Baoping,Cui Jinfeng,Zhou Yingping,Guo Junhong,Liu Shixin,Han Peiliang(College of Petrochemical Technology,Lanzhou Univ.of Tech.,Lanzhou 730050,China)  
An adducts of equal molar of tolylene-2,4-diisocyanate(TDI) and 2-hydroxyethyl acrylate(Bisomer HEA) had been prepared,which is then reacted with OH groups on surface of nano attapulgite forming an inorganic and organic active intermediate containing double bond.The particle size of inorganic attapulgite in intermediate molecule structure is 30~50 nm.The double bonds can be copolymerized with other double bonds(acrylic acid and acrylate) of monomers forming nanoattapulgite/organic copolymer.The coatings based on this copolymer shows good corrosion resistance,heat resistance,abrasion resistance and self-cleaning properties.The active intermediate and polymer were characterized by IR,TGA and SEM.
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