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Architectural Sustainability and Efficiency of Enhanced Waterproof Coating from Utilization of Waterborne Poly (Siloxane-Imide-Urethane) Copolymers on Roof Surfaces

Author

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  • Yao-Tang Hsu

    (Department of Management Information Systems, National Chengchi University, Taipei 11605, Taiwan)

  • Wen-Hsin Wang

    (Department of Management Information Systems, National Chengchi University, Taipei 11605, Taiwan)

  • Wei-Hsi Hung

    (Department of Management Information Systems, National Chengchi University, Taipei 11605, Taiwan)

Abstract

According to Taiwan’s Ministry of the Interior, from 2017 to 2019, more than 12% of house-purchase disputes were due to water leakage caused by frequent tropical rains, which have long troubled engineers. The thermal stability resistance, water resistance, and ultraviolet resistance of existing polyurethane formulations have been limited by environmental aging. Thus, the lifespan of commercial PU-coated resins (typical PU) for the waterproofing of roof surfaces is merely two to three years. Accordingly, this study proposed the introduction of siloxane and imide groups to produce waterborne poly(urethane-siloxane-imide) (Si-imide-WPU) copolymers to improve the resistance of environmental aging in typical PU. The waterproof coating resin made of Si-imide-WPU copolymers was environmentally friendly, safe to use, and free of organic solvents. The results showed that the optimal Si-imide-WPU-2 sample in the study made improvements on the defects of polyurethane (PU) including its thermal properties, mechanical properties, environmental resistance, and lifespan which could be extended up to 5.4 years. Consequently, the studied Si-imide-WPU copolymers could reduce material waste while enhancing the sustainability and efficiency of the architecture.

Suggested Citation

  • Yao-Tang Hsu & Wen-Hsin Wang & Wei-Hsi Hung, 2020. "Architectural Sustainability and Efficiency of Enhanced Waterproof Coating from Utilization of Waterborne Poly (Siloxane-Imide-Urethane) Copolymers on Roof Surfaces," Sustainability, MDPI, vol. 12(11), pages 1-17, May.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:11:p:4411-:d:364253
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    References listed on IDEAS

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    1. Bingqi Li & Zhenyu Zhang & Xiaogang Wang & Xiaonan Liu, 2019. "Investigation on the Debonding Failure Model of Anchored Polyurea Coating under a High-Velocity Water Flow and Its Application," Sustainability, MDPI, vol. 11(5), pages 1-22, February.
    2. Raúl Briones-Llorente & Verónica Calderón & Sara Gutiérrez-González & Eduardo Montero & Ángel Rodríguez, 2019. "Testing of the Integrated Energy Behavior of Sustainable Improved Mortar Panels with Recycled Additives by Means of Energy Simulation," Sustainability, MDPI, vol. 11(11), pages 1-19, June.
    3. Menisha S. Karunarathna & Rhett C. Smith, 2020. "Valorization of Lignin as a Sustainable Component of Structural Materials and Composites: Advances from 2011 to 2019," Sustainability, MDPI, vol. 12(2), pages 1-15, January.
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    Cited by:

    1. Da-Sheng Zhang & Xiao-Hua Gu & Si-Wen Liu & Yan Liu & Qing-Yun Zhou & Shang-Wen Zhu & Yan-Wei Zhu, 2022. "Study on Properties of Regenerated Fluorinated Polyurethane Rigid Foam Prepared by Degrading Waste Polyurethane," Sustainability, MDPI, vol. 14(23), pages 1-17, November.

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