The Alkaline Resistance of Waterborne Acrylic Polymer/SiO2 Nanocomposite Coatings | Zendy

Hoang Thi Huong Thuy | Zendy; Hoang Thu Ha | Zendy; Thien Vuong Nguyen | Zendy; Tuan Anh Nguyen | Zendy

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The Alkaline Resistance of Waterborne Acrylic Polymer/SiO2 Nanocomposite Coatings

Author(s) -

Hoang Thi Huong Thuy,

Hoang Thu Ha,

Thien Vuong Nguyen,

Tuan Anh Nguyen

Publication year - 2022

Publication title -

journal of analytical methods in chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-8865

pISSN - 2090-8873

DOI - 10.1155/2022/8266576

Subject(s) - coating , nanocomposite , adhesion , materials science , acrylic resin , polymer , acrylic acid , composite material , nano , chemical engineering , polymer chemistry , nuclear chemistry , chemistry , copolymer , engineering

This study presents a study on the influence of nano-SiO2 on the alkaline resistance of waterborne acrylic coating using some analysis methods such as FT-IR and UV-Vis spectroscopy, combined with FE-SEM analysis and monitoring weight and adhesion changes during exposure to the saturated Ca(OH)2 alkaline environment. The obtained results indicated that the alkaline resistance of acrylic coating enhanced appreciably when adding 2.5 wt% of nano-SiO2. Under the impact of the saturated Ca(OH)2 solution for 20 days of immersion, nanocomposite coating containing 2.5 wt.% of nano-SiO2 was only decreased by 3.6% of the weight and 15.4% of the adhesion, while the neat acrylic coating (without nano-SiO2) seriously reduced 25.4% of the weight and 39.1% of the adhesion.

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