| 粉体聚羧酸减水剂的制备 |
| |
| 引用本文： | 王小兵,付强善,陈红根. 粉体聚羧酸减水剂的制备[J]. 新型建筑材料, 2011, 0(7) |
| |
| 作者姓名： | 王小兵 付强善 陈红根 |
| |
| 作者单位： | 常州建筑科学研究院江苏鼎达建材有限公司,江苏,常州,213015 |
| |
| 摘 要： | 采用聚乙二醇单甲醚1000、聚乙二醇单甲醚2000、甲基丙烯酸、阻聚剂、催化剂、引发剂合成聚羧酸减水剂,并进行喷雾干燥,得到性能良好的粉末聚羧酸减水剂.通过采用GPC对合成的减水剂进行表征,可知大单体的制备工艺和减水剂的合成工艺是可行的.通过不同隔离剂种类及粒径对粉体聚羧酸减水剂贮存稳定性的影响试验结果表明,在等量隔离剂下,采用粒径小的隔离剂的粉体聚羧酸减水剂贮存稳定性更佳.将该粉体减水剂添加到保温粘结砂浆中,可提高保温粘结砂浆与聚苯板的拉伸粘结性能,聚苯板湿拉拔破坏面积明显增大;应用于混凝土中,水泥适应性及混凝土性能良好.
|
| 关 键 词： | 聚羧酸减水剂 粉体 喷雾干燥 凝胶渗透色谱 保温粘结砂浆 |
Preparation of powder polycarboxylic acid superplasticizer |
| |
| WANG Xiaobing,FU Qiangshan,CHEN Honggen. Preparation of powder polycarboxylic acid superplasticizer[J]. New Building Materials, 2011, 0(7) |
| |
| Authors: | WANG Xiaobing FU Qiangshan CHEN Honggen |
| |
| Affiliation: | WANG Xiaobing,FU Qiangshan,CHEN Honggen (Changzhou Institute of Building Science Jiangsu Dingda Building Material Co.Ltd.,Changzhou 213015,Jiangsu,China) |
| |
| Abstract: | Polycarboxylic acid superplasticizer of good performrance was synthesized with methoxypolyethylene glycol 1000, methoxypolyethylene glycol 2000,methacrylic acid,inhibitor,catalyst,initiator,and dried by spraying.The results showed that the preparation process of big monomer and synthesis process of polycarboxylic acid superplasticizer was feasible by characterizing the product with GPC.The influences of different types and particle size of separant on the storage stability of powder polycarboxylate superpla... |
| |
| Keywords: | polycarboxylic acid superplasticizer powder spray drying gel Permeation Chromatography insulation adhesive mortar |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
