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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/23530

Title: Influence of Soaking and Polymerization Conditions on the Properties of Polymer Concrete
Authors: Cheng-Hsin Chen;R. Huang;J.K. Wu;Chien-Hung Chen
Contributors: NTOU:Institute of Materials Engineering
Keywords: Polymer;Impregnation;Concrete;MMA;BPO;Strength;Resistivity;Microstructure
Date: 2006-11
Issue Date: 2011-10-20T08:06:31Z
Publisher: Construction and Building Materials
Abstract: abstract:An experimental investigation was conducted to study the effect of soaking time and polymerization temperature on the mechanical and physical properties of polymer-impregnated concrete. Soaking time was controlled in 4, 8, 12, 16, 20 and 24 h, polymerization temperature was set at 70, 80 and 90 °C for 0.5, 1, 2, 4, 6, 12 and 24 h in impregnation process, respectively. Cylindrical concrete specimens with water/cement ratios of 0.45 and 0.65 were impregnated with methyl methacrylate (MMA) and benzoyl peroxide (BPO) mixtures. The polymer loading increases as immersion time increases until 12 h. Based on compressive strength and surface absorption, optimum polymerization temperature is 70 °C for Mix A (high cement content) and 80 °C for Mix B (low cement content). Polymer impregnation not only increases concrete strength and resistivity but also greatly decreases surface absorption comparing with normal concrete. SEM and MIP observations indicate that the micro-pores and meso-pores of PIC specimens are filled with PMMA and the total pore volume and maximum pore size are reduced significantly.
Relation: 20(9), pp.706–712
URI: http://ntour.ntou.edu.tw/handle/987654321/23530
Appears in Collections:[河海工程學系] 期刊論文
[材料工程研究所] 期刊論文

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