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  5. A Study on the Performance of Lignin-Modified Amino-Based Superplasticizers

A Study on the Performance of Lignin-Modified Amino-Based Superplasticizers

来源 :2010中国可再生能源科技发展大会 | 被引量 : 0次 | 上传用户：Z_PEPSI
【摘 要】
：
In this study, amino-based superplasticizers modified by copolymerization of lignosulfonate are studied and amino-based superplasticizers containing various levels of lignin are synthesized.All modifi
【作 者】
：
Zhenyang LUO Ming HE Yijun SHI Dahui WU Jie CHEN Dong JI 
【机 构】
：
College of Science, Nanjing Forestry University, Najing, Jiangsu 210037
【出 处】
：
2010中国可再生能源科技发展大会
【发表日期】
：
2010年10期
【关键词】
：
Lignin sulfanilic acid water reducer ζ potential cement paste fluidity mortar fl 
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　　In this study, amino-based superplasticizers modified by copolymerization of lignosulfonate are studied and amino-based superplasticizers containing various levels of lignin are synthesized.All modification products are represented with infrared spectra and properties such as ζ potential, cement paste fluidity,mortar fluidity, and bleeding rate of amino-based superplasticizers containing various levels of lignin are studied.Comprehensive analysis reveals that modified products have the optimal cost performance when the content of lignosulfonate is 30wt%.
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