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http://dx.doi.org/10.14478/ace.2017.1040

Durability of High Performance Polymer Concrete Composites (Focusing on Chemical Resistance and Hot Water Resistance)  

Hwang, Eui-Hwan (Department of Chemical Engineering, Kongju National University)
Kim, Yong-Yeon (Department of Chemical Engineering, Kongju National University)
Song, Min-Kyu (Department of Chemical Engineering, Kongju National University)
Publication Information
Applied Chemistry for Engineering / v.28, no.3, 2017 , pp. 360-368 More about this Journal
Abstract
In order to investigate the durability of high performance polymer concrete composites, polymer concrete specimens were prepared using the ortho-type unsaturated polyester resin (UPR) and iso-type UPR as a polymer binder and the calcium carbonate and silica fine powder as a filler. The durability of polymer concrete specimens was measured by hot water resistance, chemical resistance, pore analysis and SEM observation. The compressive strength of the specimen using the iso-type UPR was higher than that of using the ortho-type UPR, and the compressive strength of the specimen using the silica fine powder was higher than that of using the calcium carbonate filler. From hot water resistance results, it was found that the specimen using the iso-type UPR was superior to that of using the ortho-type UPR and the specimen using the calcium carbonate filler was superior to that of using the silica fine powder. The compressive strength reduction rate was measured after the chemical resistance test and the sodium hydroxide solution showed the highest reduction rate, followed by sulfuric acid, hydrochloric acid and calcium chloride solutions. When using the alkaline solution of sodium hydroxide, the weight reduction rate of the specimen using calcium carbonate was lower than that of using silica fine powder, while for the acidic solutions of sulfuric acid and hydrochloric acid, the weight reduction rate of the specimen using the silica fine powder was lower than that of using calcium carbonate.
Keywords
polymer concrete composite; polymer binder; durability; hot water resistance; chemical resistance;
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