Development of self-cleaning polydimethylsiloxane/nano-calcium carbonate-titanium dioxide coating with fog-resistance response for building glass

被引:5
作者
Syafiq, Amirul [1 ]
Abd Rahim, Nasrudin [2 ]
Balakrishnan, Vengadaesvaran [3 ]
Pandey, A. K. [4 ]
机构
[1] Univ Malaya, UM Power Energy Dedicated Adv Ctr, City Campus, Kuala Lumpur, Malaysia
[2] Univ Malaya, UM Power Energy Dedicated Adv Ctr, Higher Inst Ctr Excellence HICoE, City Campus, Kuala Lumpur, Malaysia
[3] Univ Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, City Campus, Kuala Lumpur, Malaysia
[4] Sunway Univ, Res Ctr Nano Mat & Energy Technol RCNMET, Bandar Sunway, Malaysia
关键词
Nanotechnology; Building materials; Coatings technology; Organic coatings; Hydrophobic polymer; Inorganic nanoparticles; Self-cleaning; Fog-resistance coating; Building glass; ANTI-FOG; SURFACE; TRANSPARENT; PDMS; FABRICATION; TRANSLUCENT; STABILITY; ADHESION; SPRAY; FILM;
D O I
10.1108/PRT-04-2022-0058
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Purpose This paper introduced the simple synthesis process of self-cleaning coating with fog-resistance property using hydrophobic polydimethylsiloxane (PDMS) polymer and nano-calcium carbonate (nano-CaCO3) and titanium dioxide (TiO2). Design/methodology/approach The synthesis method of PDMS/nano-CaCO3-TiO2 is based on sol-gel process. The crosslinking between PDMS and nanoparticles is driven by the covalent bond at temperature of 50 degrees C. The 3-Aminopropyltriethoxysilane is used as binder for nanoparticles attachment in polymer matrix. Two fabrication methods are used, which are dip- and spray-coating methods. Findings The prepared coated glass fulfilled the requirement of standard self-cleaning and fog-resistance performance. For the self-cleaning test BS EN 1096-5:2016, the coated glasses exhibited the dust haze value around 20%-25% at tilt angle of 10 degrees. For the antifog test, the coated glasses showed the fog haze value were below 2% and the gloss value were above 85%. The obtained results completely achieved the standard antifog value ASTM F659-06 protocol. Research limitations/implications Findings will provide an infrastructure support for the building glass to enhance building's energy efficiency, cleaning performance and friendly environment. Practical implications This study proposed the simple synthesis method using hydrophobic polymer and nano-CaCO3 and nano-TiO2, which can achieve optimum self-cleaning property at low tilt angle and fog-resistance performance for building glass. Social implications The research findings have high potential for building company, cleaning building company and government sector. The proposed project capable to reduces the energy consumption about 20% per annum due to labor cost, time-consuming and safety during manual cleaning. Originality/value The novel method to develop self-cleaning coating with fog-resistance using simple synthesis process and fabrication method for building glass application.
引用
收藏
页码:249 / 260
页数:12
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