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| 可再分散乳胶粉在自流平中的应用研究 |
| Research on the Application of Redispersible Latex Powder in Self‐levelling |
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| DOI：10.16018/j.cnki.cn32-1650/n.202202014 |
| 中文关键词: 可再分散乳胶粉 自流平砂浆 分子基团 限制膨胀率 |
| 英文关键词: redispersible latex powder self-levelling mortar molecular groups restrained expansion rate |
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| 中文摘要: |
| 表征分析了5种市售可再分散乳胶粉的分子基团和分子量，比较了5种胶粉对自流平砂浆工作性能、力学性能、限制膨胀性能的影响。结果表明，5种胶粉分属EVA系和聚丙烯酸丁酯系。EVA系胶粉中，含有PEO基团的胶粉使自流平砂浆的综合性能更优。聚丙烯酸丁酯体系胶粉中，含有MMA基团的胶粉使自流平砂浆的综合性能更优。 |
| 英文摘要: |
| The molecular groups and molecular weights of five kinds of commercially available redispersible latex powders were characterized and analyzed, and the effects of five kinds of latex powders on the working performance, mechanical properties and limiting expansion performance of self-levelling mortar were compared. The results showed that the five kinds of latex powder belonged to EVA series and polybutyl acrylate series. In the EVA series latex powder, the latex powder containing PEO group makes the comprehensive performance of self-levelling mortar better. In the polybutyl acrylate system latex powder, the latex powder containing the MMA group makes the comprehensive performance of the self-levelling mortar better. |
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