Properties of Polymer Cement Mortar Based on Styrene-Butyl Acrylate according to Emulsifier and Monomer Ratios

Title
Properties of Polymer Cement Mortar Based on Styrene-Butyl Acrylate according to Emulsifier and Monomer Ratios
Author(s)
형원길조영국[조영국]
Keywords
METHYL-METHACRYLATE; LATEXES; DURABILITY; STRENGTH
Issue Date
201303
Publisher
POLYMER SOC KOREA
Citation
POLYMER-KOREA, v.37, no.2, pp.148 - 155
Abstract
The purpose of this study is to clarify the effect of the emulsifier ratio on the properties of the polymer cement mortars based on styrene-butyl acrylate (S/BA) latexes, and to obtain necessary basic data to develop appropriate latexes for cement modifiers. The polymer dispersions for cement modifiers was synthesized using styrene and butyl acrylate. Polymer cement mortars based on S/BA latexes were prepared with various monomer and emulsifier ratios, and their water-cement ratio, air content, flexural and compressive strengths, water absorption and chloride ion penetration were tested. From the test results, the maximum flexural and compressive strengths of polymer cement mortars based on S/BA latexes were obtained at a bound styrene content of 60% and an emulsifier ratio of 6%. Also, the water absorption and chloride ion penetration depth are greatly affected by the polymer-cement ratio rather than the bound styrene and emulsifier content. Accordingly, it is judged that S/BA latexes can be used place of the conventional polymer dispersions of cement modifier.
URI
http://hdl.handle.net/YU.REPOSITORY/26260http://dx.doi.org/10.7317/pk.2013.37.2.148
ISSN
0379-153X
Appears in Collections:
건축학부 > 건축학부 > Articles
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