Tensile Strength and Tensile Adhesive Strengths of Polymer-Modified Mortar with Methyl Methacrylate-Based Latexes

Title
Tensile Strength and Tensile Adhesive Strengths of Polymer-Modified Mortar with Methyl Methacrylate-Based Latexes
Author(s)
형원길박성무이찬태
Issue Date
201005
Publisher
POLYMER SOC KOREA
Citation
POLYMER-KOREA, v.34, no.3, pp.247 - 252
Abstract
This paper investigates the effects of the monomer ratios on the typical properties of polymer-modified mortars that contain methyl methacrylate-based latexes. Basic data are also obtained to develop appropriate latexes for cement modifiers. Polymer-modified mortars that contain methyl methacrylate latexes copolymerized with butyl acrylate or ethyl acrylate are prepared for different polymer-cement ratios. They are then tested to obtain the tensile and tensile adhesive strengthes of polymer-modified mortar with methyl methacrylate-based latexes. From the test results, the tensile strength of MB7 polymer-modified mortar was higher than normal cement mortar by a maximum of 94% with a 20% polymer-cement ratio, which was almost twice higher than normal. The tensile adhesive strength of the MB polymer-modified mortar was higher for higher MMA monomer contents and polymer-cement ratios, and increased up to four times than that of normal cement mortar. The basic properties of the polymer-modified mortars are more affected by the polymer-cement ratio than by the monomer ratio, and are improved over unmodified mortar.
URI
http://hdl.handle.net/YU.REPOSITORY/22504
ISSN
0379-153X
Appears in Collections:
건축학부 > 건축학부 > Articles
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