粉煤灰综合利用 2015No.6 FLY ASH COMPREHENSIVE UTILIZATION 试验与应用 煤矿井下壁面封堵涂料的制备试验 Preparation of Wall Sealing Coating for Underground in Coal Mine 刘建强,杨凤玲,宋慧平,程芳琴 (山西大学资源与环境工程研究所,国家环境保护煤炭废弃物资源化高效利用技术重点实验室,山西太原030006) 摘要:为了有效抑制煤矿井下瓦斯气体涌出,本文通过考察不同种类聚合物乳液和液粉比对瓦斯封堵涂料性能 (包括表干时间、实干时间、断裂伸长率、抗拉强度、吸水率、耐火性)的影响,研制出一种新型聚合物水泥类煤矿井下瓦 斯封堵涂料。结果表明添加S400F乳液的涂层性能最好,且成本较低,最适合用于制备煤矿井下封堵涂料;随着液粉比 的增大,涂层抗拉强度降低,断裂伸长率升高,防水性得到改善,但涂层干燥时间会变长,耐火性也相应变差。因此,表层 材料宜采用0.4~0.5的液粉比,底层材料宜采用0.2左右的液粉比。 关键词:聚合物乳液;瓦斯封堵涂料;煤矿井下;耐火性;液粉比 中图分类号:TU545 文献标识码:A 文章编号:1005-8249(2015)06-0014-05 Liu Jianqiang ,Yang Fengling ;Song Huiping ,Cheng Fangqin ( Instituteof Resources and Environment Engineering State Environmental Protection Key Laboratory of Efficient Utilization Technology of Coal Waste Resources ,Shanxi University ,Taiyuan 030006 ,China ) Abstract :In order to suppress the gas emission in coal mine efficiently ,a new type of coal mine gas seal coating is developed .The properties of gas sealing coating were investigated by different kinds of polymer emulsion and liquid powder ratio in this paper ( includingsurface dry time action time ,elongation at break ,tensile strength ,water absorption ,fire resistance ).The results shows ...
煤矿井下壁面封堵涂料的制备试验.pdf
