| 早强型聚羧酸系减水剂的性能研究 |
| |
| 引用本文： | 孙振平,罗琼,蒋正武,张冠伦,蒋国宝,杨芸. 早强型聚羧酸系减水剂的性能研究[J]. 低温建筑技术, 2010, 32(9): 5-7 |
| |
| 作者姓名： | 孙振平 罗琼 蒋正武 张冠伦 蒋国宝 杨芸 |
| |
| 作者单位： | 同济大学先进土木工程教育部重点实验室,上海,200092;上海固佳化工科技有限公司,上海,200072 |
| |
| 基金项目： | 国家科技支撑计划项目资助,上海市科委重点项目资助 |
| |
| 摘 要： | 采用水溶液聚合法,将自制的酯化大单体聚乙二醇单甲醚甲基丙烯酸酯(MPEGMA)与甲基丙烯酸(MAA)、甲基丙烯磺酸钠(SMAS)等共聚合成了一种早强型聚羧酸系减水剂PC-A。通过试验就PC-A的基本性能及其应用于预制普通强度等级和高强混凝土中的效果进行了对比研究。结果表明,PC-A具有较好的早强效果,且适合于低温天气生产预制混凝土和免蒸压养护预应力高强管桩混凝土。
|
| 关 键 词： | 聚羧酸系减水剂 早强 合成 性能 |
INVESTIGATION ON POLYCARBOXYLATE BASED HIGH PERFORMANCE ACCELERATING WATER-REDUCER |
| |
| SUN Zhen-ping,LUO Qiong,JIANG Zheng-wu,ZHANG Guan-lun,JIANG Guo-bao,YANG Yun. INVESTIGATION ON POLYCARBOXYLATE BASED HIGH PERFORMANCE ACCELERATING WATER-REDUCER[J]. Low Temperature Architecture Technology, 2010, 32(9): 5-7 |
| |
| Authors: | SUN Zhen-ping LUO Qiong JIANG Zheng-wu ZHANG Guan-lun JIANG Guo-bao YANG Yun |
| |
| Affiliation: | SUN Zhen-ping1,LUO Qiong1,JIANG Zheng-wu1,ZHANG Guan-lun1,JIANG Guo-bao2,YANG Yun2(1.Key Lab of Advanced Civil Engineering Materials of Ministry of Education ofTongji Univ.,Shanghai 200092,China,2.Shanghai Gujia Chemical Science andTech.Co.,Ltd,Shanghai 200072,China) |
| |
| Abstract: | The polycarboxylate based high performance accelerating water-reducer(PC-A) is synthesized by macromer MPEGMA,methyl acrylic acid(MAA) and sodium methyl acryl sulfonate(SMAS) etc.in aqueous solution polymerization.The basic performance of PC-A applied in pre-cast concrete of normal strength and high strength is compared through experiments.The results show that PC-A has ideal accelerating effect on concrete and can meet the demands of pre-cast concrete at low temperature and pre-stressed high strength pipe ... |
| |
| Keywords: | polycarboxylate based water reducer early strength synthesis performance |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
