Preparation and properties of polyurethane grouting material modified by nano-SiO2
JIA Xiaopan, LI Sha, MA Ruiyan, DU Huihui, YAO Yanna
Jorunal of Functional Materials . 2022, (7): 7232 -7236 .  DOI: 10.3969/j.issn.1001-9731.2022.07.034