Materials Reports  2022, Vol. 36 Issue (Z1): 22010015-6 |
| POLYMERS AND POLYMER MATRIX COMPOSITES |
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| Effect of Emulsion Compound on Polymer Cement Waterproof Coating in Ceramic Tile Bonding System |
| HUANG Yuchen, ZHANG Yongming
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| Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, School of Materials Science and Engineering, Tongji University, Shanghai 201804, China |
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Abstract Cracking and brick loss often occur when polymer cement waterproof material tested by traditional methods is applied to ceramic tile bonding system.In this regard, the new testing methods of crack bridging ability and tensile adhesive strength can effectively predict the application performance of the material during preparation. The effects of different polymer emulsions on the performance of waterproof coatings were studied by macro and micro methods. The results showed that when the mass ratio of SA and VAE was 1∶1, it can improve the crack bridging ability of the coatings and effectively avoid water leakage. At the same time, the tensile adhesive strength of the emulsion is 10.9% higher than that of the pure styrene-acrylic emulsion. From the perspective of the whole system, the ceramic tile adhesive layer and the waterproof coating layer are the main parts that bear the stress. The displacement and stress near the ceramic tile are the largest and decrease to the surrounding. The middle section is most prone to failure when external forces are applied.
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Published: 05 June 2022
Online: 2022-06-08
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