聚羧酸系高保坍零泌水高性能减水剂
申请公布号:CN102173635B
申请号:CN201010595595.1
申请日期:2010.12.17
申请公布日期:2013.03.20
发明人:何仙琴;郭执宝;顾艳;张如勤
分类号:C04B24/18(2006.01)I;C04B24/08(2006.01)N;C04B103/30(2006.01)N
主分类号:C04B24/18(2006.01)I
地址:200137 上海市浦东新区高桥大同路1434号
摘要:本发明涉及一种聚羧酸系高保坍零泌水高性能减水剂,由下列组成物及重量百分比组成:聚羧酸酯类减水剂,含固量20%60.0-80.0%,聚羧酸醚类减水剂,含固量20%15.0-35.0%,葡萄糖酸钠1.0%-2.5%,木质素磺酸钠0.5-1.5%,离子膜碱0.2-0.5%,异噻唑啉酮类防腐防霉杀菌剂0.2-0.5%,去离子水1.0-3.0%,将上述组成与配比的聚羧酸酯类减水剂、聚羧酸醚类减水剂和去离子水在30℃-50℃的环境中化合;保持温度添加葡萄糖酸钠、木质素磺酸钠激发剂,形成特定结构的合成产物;冷却至常温加离子膜碱进行酸碱度调整,添加异噻唑啉酮类防腐防霉杀菌剂后形成最终产品。本产品掺量低减水率高、水泥适应性面广、无泌水、保坍能力强、可适用于不同标号混凝土。
主权项:1.一种聚羧酸系高保坍零泌水高性能减水剂,其特征在于由下列组成物及重量百分比组成:<img file="FSB00000974562500011.GIF" wi="1783" he="669" />
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