Title:
Properties of Polymer-Modified Mortars Using Powdered Emulsions
Author(s):
Y. Ohama and K. Shiroishida
Publication:
Symposium Paper
Volume:
89
Issue:
Appears on pages(s):
313-322
Keywords:
adhesion; admixtures; compressive strength; drying
shrinkage; emulsifying agents; flexural strength; mortars
(material); permeability; plastics, polymers, and resins;
polyethylene; polyvinyl acetate.
DOI:
10.14359/6255
Date:
12/1/1985
Abstract:
Recently powdered emulsions of improved quality have, been developed and commercialized as cement modifiers. Mixed in a powder form with cement mortars, they are re-emulsified and modify the mortars. The purpose of this study is to evaluate the quality of the commercial powdered emulsions for cement modifiers. Polymer-modified mortars using powdered emulsions were prepared with variation in polymer-cement ratio, and tested for strength, adhesion, waterproofness, length change and water resistance. Their properties were also compared with those of ordinary polymer-modified mortar using styrene-butadiene rubber latex. It is concluded from the test results that the powdered emulsion- modified mortars can be used in the same manner as ordinary polymer-modified mortar in practical applications, in consideration of their drying shrinkage.