Research on Properties of W aterborne Epoxy Resin Em ulsion
M odified Cem ent M ortar
H UANG Zheng—yu,T I AN Tian
(School of Civil Engineering,Hunan University,Changsha 410082·China)
Abstract: Waterborne epoxy resin emulsion modified cement mortar was prepared by mixing waterborne epoxy
resin emulsion into ordinary Portland cement mortar.The properties of the mixed mortar have been tested.Under
different curing condition,the influence of emulsion addition tO modified mortar’S behavior has been investigated.Ex_
perimental results indicated that the emulsion can reduce mixing water.M eanwhile,because of the air entraining
function by adding emulsion,modified mortar’S density reduced and its setting time shortened.but the reduction ten—
dency was not monotone.What’S more.comparing tO cement mortar.modified mortar’s early mechanical strength
decreased tO some extent,but its later strength increased.In this paper,the curing regime of modified mortar was al—
SO analysed and the optimal curing regime in varying emulsion additions was advised.
Key words: modified mortar; polymer-to-cement weight ratio; strength; curing regime