Study on preparation and performance of polymer cement waterproof coating
LEI Zhongli
WANG Yuhe
ZOU Wei
ZHAO Juan
ZHOU Yuexia
ZHU Guojun
YE Tianxiang
Abstract：The study explored the effects of different polymer emulsions,types of cement,fillers,and additives on the tensile strength,elongation at break,and water resistance of polymer cement waterproof coatings after immersion in water.The results indi-cate that the polymer cement waterproof coating prepared using 5#domestic styrene-acrylic emulsion,P·O52.5 cement,nano-calcium carbonate as filler,and poly-carbonadiimide as additive exhibits the best water resistance.It not only meets the Type Ⅱ product requirements of GB 23445-2009"Polymer-Modified Cementitious Coating",its tensile strength,fracture elongation,and water resis-tance after 168 hours of immersion also satisfy the performance requirements for organic waterproof coatings in GB 50108-2008"Technical Specification for Waterproofing of Underground Projects".
Keywords：polymer cement waterproof coatingtensile strengthfracture elongationwater resistance
Publication Date：2025-09-25
Online Publishing Date：2025-10-15(First online date of this platform, not the publication date of the document)
Pages：5( 29-32,42 )