一种混凝土用粘度调节剂的制备与性能评价

关键字：混凝土,粘度,调节剂,制备,性能

（石家庄市长安育才建材有限公司，河北 石家庄  051430）

 
 
    摘要：以丙烯酰胺、2-丙烯酰胺-2-甲基丙磺酸为反应单体，通过自由基共聚合成混凝土粘度调节剂，以改善混凝土泌水、离析等现象。研究了反应单体浓度、引发剂添加量、反应单体配比等因素对粘度调节剂性能的影响，进而优化工艺参数。结果表明，合成的粘度调节剂能够使混凝土保持较好的匀质性，且对其流动性能影响不大，同时对混凝土强度发展无负面影响。
    关键词：粘度调节剂；混凝土；制备；性能评价
    中图分类号：TU528.042        文献标识码：A        文章编号：1001-702X（2018）02-0051-03

 
Synthesis and performance research of a concrete viscosity modifying agent
NI Tao，XIA Liangliang，TAO Jun，LIU Zhaoyang，WANG Jinchun
（Shijiazhuang ChangAnYuCai Building Materials Co. Ltd.，Shijiazhuang 051430，China）

    Abstract：In order to improve the concrete phenomenon such as bleeding，segregation，a viscosity modifying agent was prepared by free radical polymerization between acrylamide（AM） and 2-Acrylamide-2-methylpro panesulfonic acid（AMPS）. The effect of monomer concentration，initiator amount，reaction monomer ratio on the performance of the product were studied，and the process parameters were optimized. The results shown that the prepared viscosity modifying agent could keep the concrete good homogeneity and has little influence on the performance of the flow，and there was no negative effect on concrete strength development.
    Key words：viscosity modifying agent，concrete，synthesis，performance research