黑龙江科技大学学报2025，Vol.35Issue(1)：1-5,5.DOI:10.3969/j.issn.2095-7262.2025.01.001
聚合物对水泥基封孔材料性能的影响
Effects of polymer on performance of cement-based materials for sealing pore
张保勇 1于跃 1吴强 1张强 1刘传海1
作者信息
- 1. 黑龙江科技大学 安全工程学院,哈尔滨 150022||瓦斯等烃气输运管网安全基础研究国家级专业中心实验室,哈尔滨 150022
- 折叠
摘要
Abstract
This paper aims to improve the pore characteristics and permeability of the traditional ce-ment-based sealing materials and improve the efficiency of gas extraction.The study is accomplished by using the self-built pore/permeability test system of sealing material to conduct the experimental study on the porosity,permeability,and compressive strength of the cement-based grouting material modified by a water-soluble polymer of polyvinyl alcohol.The results show that compared with the pure cement system,the gas permeability of the sealing material is reduced by 13%,51%,13%and 23%after adding 0.5%,1%,1.5%and 2%PVA polymer,respectively.The addition of the polyvinyl alcohol polymer can improve the physical structure of cement-based materials,improve the permeability resistance of ce-ment-based pore sealing materials,and produce flexible reinforcement.The best permeability resistance effect can be achieved by adding 1%polyvinyl alcohol polymer to the pore sealing materials.关键词
聚乙烯醇聚合物/封孔材料/渗透率/孔隙率Key words
PVA polymer/sealing material/permeability/porosity分类
矿业与冶金引用本文复制引用
张保勇,于跃,吴强,张强,刘传海..聚合物对水泥基封孔材料性能的影响[J].黑龙江科技大学学报,2025,35(1):1-5,5.
