화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.14, No.2, 265-271, March, 2008
DOI10.1016/j.jiec.2007.11.002  Export Citation
Effect of polymer cement modifiers on mechanical and physical properties of polymer-modified mortar using recycled artificial marble waste fine aggregate
Eui-Hwan Hwang†, Young Soo Ko, and Jong-Ki Jeon
  • Department of Chemical Engineering, Kongju National University, 275 Budae-dong, Cheonan, Chungnam-do 330-717, Korea
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Various polymer-modified mortars using recycled artificial marble waste fine aggregate (AMWFA) were prepared and investigated for the purpose of feasibility of recycling. Styrene-butadiene rubber (SBR) latex and polyacrylic ester (PAE) emulsion were employed as polymer modifier, and compared each other. The replacement ratio of AMWFA was also changed to investigate the effect of it on physical properties. Adding polymer cement modifier into mortar reduced water-cement ratio, and PAE was the more effective polymer cement modifier to reduce water-cement ratio than SBR. PAE emulsion-modified mortar increased the air content entrained as the proportion of PAE was increased. There was little difference in water absorption between SBR latex and PAE emulsion. The compressive strength decreased in the presence of polymer cement modifiers compared to that of no polymer cement modifiers, but the compressive strength of 20% of polymer-cement ratio was higher than that of 10%. After the hot water resistance test, both compressive strength and flexural strength were decreased. (C) 2007 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
Keywords:polymer cement modifier;polymer-modified mortar;recycling;recycled waste material
  1. Adding polymer modifier into mortar reduced water. cement ratio significantly. PAE was the more effective polymer modifier to reduce water.cement ratio in this mortar system than SBR
  2. PAE emulsion-modified mortar increased the air content entrained as the proportion of PAE was increased
  3. There was little difference in water absorption between SBR latex and PAE emulsion and it was decreased drastically at 20% of polymer.cement ratio for both SBR and PAE
  4. The compressive strengths decreased in the presence of polymer cement modifiers compared to that of no polymer cement modifiers, but the compressive strength of 20% of polymer.cement ratio was higher than that of 10%
  5. After the hot water resistance test, both compressive strength and flexural strength were decreased
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