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新型三聚氰胺高效减水剂的合成工艺研究及应用

Research on synthesis procedure and application of new and excellent melamine superplasticizer

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【作者】 王虎群胡铁刚杨晓峰张智敏

【Author】 WANG Huqun1,HU Tiegang1,YANG Xiaofeng1,ZHANG Zhimin2 (1.Technology Center,Beijing Oriental YuHong Waterproof Technology Co.Ltd.,Beijing 101309,China;2.School of Chemistry and Chemical Engineering,Shanxi University,Taiyuan 030006,Shanxi,China)

【机构】 北京东方雨虹防水技术股份有限公司技术中心山西大学化学化工学院

【摘要】 从分子结构设计的角度出发,采用单体三聚甲醛、三聚氰胺及磺化葡萄糖,在催化剂的作用下,直接聚合得到一种新型三聚氰胺减水剂。采用红外光谱对分子结构进行了表征,通过试验研究单体比例、催化剂用量、反应浓度对聚合产物分散性和保塑性的影响规律。试验结果表明,与萘系减水剂和传统密胺减水剂相比,该减水剂具有更优的分散性能;其最佳合成工艺为:n(三聚氰胺)∶n(磺化葡萄糖)=15∶4,催化剂用量4%,反应浓度40%~45%。

【Abstract】 A new and excellent melamine type superplasticizer was synthesized from the view of molecular structure design by use of melamine,melformaldehyde and sulfonated glucose as monomer under the function of catalyst.The molecular structure was characterized by fourier transform infrared spectroscopy.Retention behavior on the polymerization dispersion and plasticity was researched through the test and research of monomer ratio,catalyst dosage,reaction concentration.The test results show that compared with Naphthalene superplasticizer and traditional melamine superplasticizer,the obtained superplasticizer has better dispersion prop-erties.The best synthesis technique was that the amount of catalyst was 4% by the mass of all monomers,the liquid density of reaction was 40%~45% and the mole ratio of melamine and sulfonic glucose was 15∶4.

  • 【文献出处】 新型建筑材料 ,New Building Materials , 编辑部邮箱 ,2012年12期
  • 【分类号】TU528.042.2
  • 【被引频次】2
  • 【下载频次】198
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