| 苯丙乳液改性硫铝酸盐水泥的抗渗性能研究 |
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| 引用本文： | 刘广烽,孙璐,张云飞,郭向阳,简刚.苯丙乳液改性硫铝酸盐水泥的抗渗性能研究[J].工业建筑,2011(Z1):706-709. |
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| 作者姓名： | 刘广烽 孙璐 张云飞 郭向阳 简刚 |
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| 作者单位： | 青岛金鑫商品混凝土有限公司;山东省建筑科学研究院;山东华森混凝土有限公司; |
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| 摘 要： | 以苯乙烯和丙烯酸丁酯为主要原料,合成了苯丙乳液,并将其与硫铝酸盐水泥复合,制备了聚合物硫铝酸盐水泥。采用孔结构分析和抗渗性能等测试手段,研究了乳化剂掺量、聚灰比对聚合物硫铝酸盐水泥耐久性的影响。结果表明:水泥砂浆中添加苯丙乳液后改善了其抗渗性。随着乳化剂掺量的增加,乳液聚合稳定性提高,乳液的平均粒径略有降低,一般保持在100~140 nm之间。乳化剂掺入量为3.0%时,乳液的最低成膜温度为25.4℃,成膜性能提高。在低聚灰比条件下,随乳液掺入量的增加水泥砂浆抗渗性存在最优值,渗水高度仅为10.3 mm,此时乳化剂掺量为3%、聚灰比为7.5%。
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| 关 键 词： | 苯丙乳液 硫铝酸盐水泥 改性 抗渗性 |
RESEARCH OF IMPERMEABILITY OF STYRENE-ACRYLATE EMULSION MODIFIED SULPHOALUMINATE CEMENT |
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| Liu Guangfeng Sun Lu Zhang Yunfei Guo Xiangyang Jian Gang.RESEARCH OF IMPERMEABILITY OF STYRENE-ACRYLATE EMULSION MODIFIED SULPHOALUMINATE CEMENT[J].Industrial Construction,2011(Z1):706-709. |
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| Authors: | Liu Guangfeng Sun Lu Zhang Yunfei Guo Xiangyang Jian Gang |
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| Affiliation: | Liu Guangfeng1 Sun Lu2 Zhang Yunfei3 Guo Xiangyang2 Jian Gang1(1.Qingdao Jinxin Concrete Co.,Ltd.Qingdao 266100,China,2.Shangdong Building Science Insititute,Jinan 250031,3.Shandong Huasen Concrete Co.Ltd.Jinan 250101,China) |
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| Abstract: | In this paper,styrene-butyl acrylate copolymer emulsion was synthesized using styrene and butyl acrylate as monomers.The polymeric sulphoaluminate cement is composed of styrene-acrylic emulsion and sulphoaluminate cement.The effects of emulsifier dosage and different ratio of polymer to cement(P/C)on durability of polymeric sulphoaluminate cement were systemically investigated,pore structure and impermeability were also studied.The experiments show that adding styrene-acrylic emulsion in the cement mortar i... |
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| Keywords: | styrene-acrylic emulsion sulphoaluminate cement modify impermeability |
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