Research on the evaluation method of redispersible properties of re-dispersible latex powder
SHU Chunxue
ZHANG Ye
MIAO Yuanchao
DUAN Saihong
Abstract：Good redispersibility and solubility are the foundation for the properties of redispersible latex powder in dry-mixed mortar and the key to restoring the properties of polymer emulsion.A dynamic analysis method based on particle size analysis principles was proposed to monitor the temporal changes in droplet size of redispersed emulsions and compare it with current pri-mary evaluation methods(fineness analysis method and particle size analysis method).The results show that methods such as fine-ness analysis and particle size analysis have limitations in evaluating the redispersibility of redispersible latex powders.Dynamic analysis methods can more effectively simulate the actual redispersion process and exhibit significant correlations with the stability of redispersed emulsions,film-forming properties,and dispersion effects in cement-based materials,providing a reference for improv-ing the evaluation system of redispersible latex powders.
Keywords：redispersible latex powderfinenessredispersibilityevaluation methoddynamic analysis
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( 13-17 )