聚合物类型对旧墙瓷砖界面剂性能和微观结构的影响

doi:10.11896/cldb.24030088

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Abstract To enhance the interfacial performance of renovation agents for old wall tiles, four polymer-modified formulations (PTB, EVA, VAE, and SAE) were evaluated. Systematic assessments of bond strength (including freeze-thaw and wind vibration), compressive-flexural ratio, water absorption, and microstructural characteristics were conducted through XRD, FTIR, mercury intrusion porosimetry(MIP), SEM, and pore and crack analysis system (PCAS) analyses. Results demonstrated that polymer modification significantly improved interfacial bond strength while reducing compressive-flexural ratio and water absorption. When the volume ratio of polymer to external water is 1∶1, the order of bond strength (including freeze-thaw and wind vibration) is PTBJ (representing PTB interface agent)＞VAEJ＞SAEJ＞EVAJ. The order of compressive-flexural ratio is SAEJ＞VAEJ＞EVAJ＞PTBJ. And the order of water absorption is SAEJ＞EVAJ＞VAEJ＞PTBJ. PTBJ exhibits a more complex and dense, yet incomplete, continuous spatial network structure, resulting in enhanced bond strength and reduced compressive-flexural ratio and water absorption. This study provides a theoretical and experimental foundation for optimizing polymer-modified interface agents in urban renewal projects that involve aged ceramic tile surfaces.

Key words： interface agent PTB emulsion modification wind vibration freeze-thaw

Published: Online: 2026-02-13

CLC number:

TU528.41

Corresponding Authors: zhengmingxin0317@yeah.net

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	LYU Guanji
	JI Tao
	ZHENG Mingxin
	MA Yalin

Cite this article:

LYU Guanji,JI Tao,ZHENG Mingxin, et al. Effects of Polymer Types on the Performance and Microstructure of Interface Agents for Aged Ceramic Wall Tiles[J]. Materials Reports, 2026, 40(3): 24030088-6.

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https://www.mater-rep.com/EN/10.11896/cldb.24030088 OR https://www.mater-rep.com/EN/Y2026/V40/I3/24030088

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