有机醋酸酯固化水玻璃的固化规律研究.pdfVIP

学兔兔 全国中文核心期刊 斩 建蟓 中国科技核心期刊 有机醋酸酯固化水玻璃的固化规律研究 史俊 ，魏艳 ，吴付频 ，王浩 (1．西安石油大学 化工学院，陕西 西安 710065； 2．长庆钻井总公司 技术发展部，陕西 西安 710032) 摘要：借助几种典型有机醋酸酯在常温下的皂化规律，以改善其在水玻璃溶液中的溶解分散性为目的，研究了在乳化前后不同 结构的醋酸酯对水玻璃溶液的固化效果。实验结果表明，乳化作用能使各类醋酸酯在水玻璃溶液中的溶解分散性得到极大的改善， 进而促使其作为固化剂的用量呈现不同程度的降低，水玻璃凝胶的固化时间也有明显的缩短。并且所生成的凝胶质地更加均匀，固 化2 h后，凝胶体系的最大抗压强度可达到800 kPa以上。 关键词：水玻璃；有机醋酸酯；乳化：固化 中图分类号：TV441+．2A 文献标识码：A 文章编号：1001—702X(2012)11-0043—04 Study on the curing law of sodium silicate curing using organic acetate SHI Jun ，WE1 Yah ，WU Fupin。，WANG Hao (1．School of Chemical Engineering，Xian Shiyou University，Xian 710065，Shanxi，China； 2．Technology Development Department of Changqing Drilling Company，Xian 710032，Shanxi，China) Abstract：With the saponification law of several typical organic acetate at room temperature，and the purpose of improving the dispersion and dissolution of the organic acetate in solution of sodium silicate，the effect of solidification of sodium silicate，using the different structures organic acetate，was studied before and after emulsifying．The experiments results showed that dispersion and dissolution of all the acetate can be greatly improved by emulsification in the sodium silicate solution，thereby promoting them showing different degrees of reduction as the amount of curing agent．The time of sodium silicate gel curing significantly become shorter，and texture of the gel is mole uniform，the maximum compressive strength of gel system call reach more than 800 kPa，two hours after curing． Key words：sodium silicate；organi