CC BY
3Central Asian Journal of
Education and Innovation
DEVELOPMENT OF COMPOSITE ADHESIVE MIXTURES FOR LAYING CERAMIC TILES USING WATER-SOLUBLE
POLYMER
Kurbanov Zavqiddinjon Hamidduloyevich
senior teacher Qosimov Bekzod
student Jizzakh Polytechnic Institute E mail: [email protected] https://doi.org/10.5281/zenodo.14546811
ARTICLE INFO
ABSTRACT
Qabul qilindi: 10-Dekabr 2024 yil Ma'qullandi: 15- Dekabr 2024 yil Nashr qilindi: 23- Dekabr 2024 yil
KEY WORDS
Portland Cement, Fine Sand, Water-Soluble Polymers, Polyvinyl Alcohol (PVA), Carboxymethyl Cellulose (CMC), Polymer Integration.
This study explores the formulation and performance evaluation of composite adhesive mixtures tailored for the laying of ceramic tiles, utilizing water-soluble polymers integrated into traditional cement-based adhesives. Given the critical role of adhesives in tile installation, particularly concerning durability and effectiveness, the research introduces an innovative approach by incorporating polymers like polyvinyl alcohol and carboxymethyl cellulose. These polymers were selected for their potential to enhance key properties of cementitious adhesives, including workability, adhesion strength, flexibility, and moisture resistance. The experimental setup involved varying the concentration of these polymers and examining their impact on the adhesive mixtures through a series of
performance tests. Results demonstrated significant improvements in handling and application traits, with optimal concentrations leading to increased bonding strength and resilience against environmental stresses such as water ingress and mechanical pressure. The findings suggest that the strategic use of water-soluble polymers can revolutionize the installation of ceramic tiles by mitigating common issues associated with traditional adhesives, thereby extending the longevity and maintaining the aesthetic integrity of tiled surfaces. This study paves the way for further research into cost-effective and durable adhesive solutions in the construction industry
Introduction
Ceramic tiles are favored in both residential and commercial settings for their robustness, long lifespan, and visual appeal. The success of ceramic tile installations critically hinges on
the quality of the adhesive employed. While traditional cement-based adhesives are known for their strong bonding capabilities, they are not without flaws—issues such as prolonged curing periods, inherent brittleness, and heightened moisture susceptibility present significant challenges. These limitations can compromise the durability and appearance of the tile installation over time. Research Objective
The primary aim of this research is to formulate an advanced composite adhesive mixture by integrating water-soluble polymers into conventional cement-based adhesives. This innovation seeks to address the aforementioned challenges by enhancing crucial performance characteristics such as workability, bonding strength, flexibility, and moisture resistance, thereby facilitating more efficient and durable ceramic tile installations. Materials and Methods Materials Used:
• Portland Cement: Known for its general use in construction as a fundamental ingredient in concrete and mortar.
• Fine Sand: Acts as an aggregate, providing volume and stability to the mixture.
• Water-Soluble Polymers:
o Polyvinyl Alcohol (PVA): Enhances the adhesion and flexibility of the mortar. o Carboxymethyl Cellulose (CMC): Improves the viscosity and workability, reducing water absorption.
• Standard Ceramic Tiles: Used as the substrate on which the adhesive effectiveness is tested.
• Water: Essential for activating cement hydration and assisting in polymer dispersion within the mixture.
Preparation of Adhesive Mixtures:
1. Mixture Composition: The base adhesive comprises a standard 1:3 weight ratio of cement to sand, ensuring a solid structural backbone.
2. Polymer Integration: Polymers are introduced concentrations—1%, 2%, and 5% by weight of cement usage rate based on performance enhancements.
3. Mixing Procedure: Water and polymers are incrementally added to the dry mixture, ensuring even distribution and consistency to form a homogeneous adhesive paste.
Application and Testing:
1. Application Method: The prepared adhesive is uniformly spread over a clean, flat surface to simulate real-world conditions.
2. Tile Placement: Ceramic tiles are carefully laid onto the wet adhesive, ensuring proper contact and alignment.
3. Performance Testing:
o Curing Time: Measured to assess the speed of adhesive set and readiness
for traffic.
o Adhesion Strength: Quantitative tests are conducted to measure the force
required to dislodge the tiles, indicating the bonding efficacy.
o Flexibility: Evaluated through stress and bending tests to determine the
adhesive's ability to withstand structural movement and impacts without cracking.
into the mix in varied —to determine their optimal
o Water Resistance: The adhesive's capacity to resist moisture penetration,
crucial for areas exposed to water, is thoroughly tested. Results
Enhanced Workability:
The inclusion of polymers markedly improves the mixture's ease of application, allowing for quicker adjustments during tile laying, significantly benefiting installation efficiency. Increased Adhesion Strength:
The polymer-modified adhesives exhibit superior bonding properties compared to traditional mixes, with the peak performance noted at a 2% polymer concentration, suggesting an optimal balance between polymer effectiveness and cost-efficiency. Improved Flexibility:
The flexibility imparted by the polymers aids in absorbing physical stresses, thereby mitigating the risk of cracks developing in the tile work due to building shifts or heavy impacts.
Augmented Water Resistance:
Polymer addition notably enhances the adhesive's impermeability to water, protecting the tile interface from moisture-related degradation and prolonging the installation's integrity and appearance.
Discussion
The research findings highlight the substantial benefits of integrating water-soluble polymers into cement-based adhesives, enhancing several key physical properties essential for effective and durable ceramic tile installations. By incorporating polymers such as polyvinyl alcohol and carboxymethyl cellulose, the adhesive formulations achieve improved workability, which facilitates easier and faster application. This enhancement allows installers to adjust tiles more efficiently during the setting process, reducing labor time and potentially decreasing overall project costs.
Moreover, the enhanced flexibility provided by the polymers helps the adhesive layer to absorb and distribute mechanical stresses more effectively. This property is particularly beneficial in environments subject to frequent or significant temperature fluctuations, where expansion and contraction can cause traditional adhesives to crack and fail. The polymer-modified adhesives exhibit increased elasticity, thus minimizing the risk of cracking and extending the lifespan of the tile work. Conclusion
The development of composite adhesive mixtures that incorporate water-soluble polymers marks a significant technological advancement in materials used for laying ceramic tiles. This innovation successfully addresses several of the critical limitations associated with traditional cement-based adhesives, such as brittleness, limited flexibility, and poor moisture resistance. By overcoming these challenges, the new adhesive formulations meet the increasingly complex demands of modern construction practices, delivering enhanced performance and durability.
The promising results of this study suggest a bright future for polymer-modified cement-based adhesives in the construction industry. However, further research is necessary to fully optimize the concentrations of polymers used in these adhesives to maximize cost-effectiveness and performance. Additionally, exploring other potential polymer additives
could lead to even greater improvements in adhesive properties. Such investigations could focus on the sustainability aspects, evaluating the environmental impact of these new materials and ensuring that they contribute positively to eco-friendly building practices. As the construction industry continues to evolve, the continuous innovation and refinement of building materials like these adhesive mixtures will be crucial for meeting the sophisticated needs of future construction projects effectively and sustainably.
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