The Evolution of Silica Nanoparticle-polyester Coatings on Surfaces Exposed to Sunlight

Vi Khanh Truong; Miljan Stefanovic; Shane Maclaughlin; Mark Tobin; Jitraporn Vongsvivut; Mohammad Al Kobaisi; Russell J. Crawford; Elena P. Ivanova

doi:10.3791/54309

The Evolution of Silica Nanoparticle-polyester Coatings on Surfaces Exposed to Sunlight

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Engineering

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JoVE Journal Engineering

The Evolution of Silica Nanoparticle-polyester Coatings on Surfaces Exposed to Sunlight

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10:27 min

October 11, 2016

DOI: 10.3791/54309-v

Vi Khanh Truong¹, Miljan Stefanovic¹, Shane Maclaughlin², Mark Tobin³, Jitraporn Vongsvivut³, Mohammad Al Kobaisi¹, Russell J. Crawford⁴, Elena P. Ivanova¹

¹School of Science, Faculty of Science, Engineering and Technology,Swinburne University of Technology, ²BlueScope Steel Research, ³Infrared Microspectroscopy Beamline,Australian Synchrotron, ⁴School of Science, College of Science, Engineering and Health,RMIT University

Overview

This study investigates the effects of sunlight exposure on polyester-coated steel and silica nanoparticle-coated polyester surfaces. Significant alterations in the chemistry and nanoscale topography of these surfaces were observed.

Key Study Components

Area of Science

Materials Science
Nanotechnology
Surface Chemistry

Background

Understanding the behavior of coatings under environmental conditions is crucial for industrial applications.
Polyester and silica nanoparticle coatings are commonly used for their protective properties.
Sunlight exposure can lead to degradation and changes in material properties.
This study aims to provide insights into these changes for better coating performance.

Purpose of Study

To examine the changes in surface properties of polyester and silica nanoparticle coatings after sunlight exposure.
To address key questions in the fields of nano coatings and anticorrosion.
To enhance understanding of the durability of coatings in weathering conditions.

Methods Used

Rinsing steel samples with double distilled water after sunlight exposure.
Drying samples using nitrogen gas to prevent contamination.
Storing samples in airtight containers to maintain surface integrity.
Utilizing advanced techniques to analyze surface changes.

Main Results

Substantial changes in the chemistry of the surfaces were noted.
Nanoscale topography alterations were observed post-exposure.
The findings contribute to the understanding of coating performance under sunlight.
Insights gained can inform future developments in protective coatings.

Conclusions

Sunlight exposure significantly affects the properties of polyester and silica nanoparticle coatings.
Understanding these changes is essential for improving coating technologies.
Future research can build on these findings to enhance coating durability.

Frequently Asked Questions

What are the main materials studied in this research?

The study focuses on polyester-coated steel and silica nanoparticle-coated polyester.

Why is sunlight exposure important in this study?

Sunlight exposure can lead to significant changes in the chemical and physical properties of coatings.

What methods were used to analyze the coatings?

The coatings were rinsed, dried, and stored in airtight containers for analysis.

What are the implications of this research?

The findings can inform the development of more durable and effective protective coatings.

Who conducted this research?

The research was conducted by Jitraporn Vongsvivut and Vi Khanh Truong.

How can this research benefit industrial applications?

It provides insights into the performance of coatings under environmental stress, aiding in better material selection.

Two types of surfaces, polyester-coated steel and polyester coated with a layer of silica nanoparticles, were studied. Both surfaces were exposed to sunlight, which was found to cause substantial changes in the chemistry and nanoscale topography of the surface.

The overall goal of this methodology is to examine the changes in the surface of steel coatings prepared from polyester and silica nanoparticle coated-polyester after being exposed to sunlight. This method can help answer key questions in the industrial fields and areas such as nono coatings and anticorrosion. The main advantage of this technique is it provides a comprehensive understanding of the behavior of nano coatings exposed to weathering conditions.

Demonstrating the procedure will be Jitraporn Vongsvivut and Vi Khanh Truong from our laboratories. First, rinse steel samples previously exposed to sunlight with double distilled water and then dry using nitrogen gas. Keep the samples in an airtight container to prevent any air contaminants absorbing onto the surface.

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Silica Nanoparticle Polyester Coatings Steel Surfaces Sunlight Exposure Surface Chemistry Attenuated Total Reflection Infrared Microspectroscopy (ATR-IR)Surface Wettability Weathering Conditions Nano Coatings Anticorrosion