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The Enhanced Hydrophobic, Photothermal, And Anti-icing/ice-melting Performance Of C/tin/wc/pdms Composite Coating By Inserting A Thermal Insulation Layer.

Home
Research Domains
Engineering
Materials Engineering
Wearable Materials
The Enhanced Hydrophobic, Photothermal, And Anti-icing/ice-melting Performance Of C/tin/wc/pdms Composite Coating By Inserting A Thermal Insulation Layer.

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Published on: April 26, 2017

The Enhanced Hydrophobic, Photothermal, and Anti-Icing/Ice-Melting Performance of C/TiN/WC/PDMS Composite Coating by Inserting a Thermal Insulation Layer.

Lihua Jiang^1,2, Lulu Dong², Xin Zhou²

¹College of Materials and Chemical Engineering, Solar Energy High Value Utilization and Green Conversion Hubei Provincial Engineering Research Center, Yichang, Hubei 443002, China.

Langmuir : the ACS Journal of Surfaces and Colloids

|November 11, 2024

View abstract on PubMed

Summary

This summary is machine-generated.

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A novel composite coating with an epoxy resin insulation layer significantly enhances anti-icing and ice-melting performance by improving hydrophobicity and photothermal properties. This advanced coating offers superior performance for ice prevention and removal.

Area of Science:

Materials Science
Surface Engineering
Thermal Management

Background:

Effective anti-icing and ice-melting surfaces are crucial for various applications, including aerospace and infrastructure.
Existing photothermal coatings often require further enhancement in hydrophobic properties for optimal performance.
Superhydrophobic and photothermal synergy is key to advanced ice management solutions.

Purpose of the Study:

To develop a novel composite coating with enhanced superhydrophobic and photothermal characteristics.
To investigate the impact of an epoxy resin thermal insulation layer on anti-icing/ice-melting performance.
To evaluate the coating's effectiveness under varying environmental conditions and solar irradiation.

Main Methods:

Fabrication of a C/TiN/WC/PDMS photothermal composite coating with an integrated epoxy resin thermal insulation layer on an aluminum substrate.

Characterization of surface properties, including water contact angle and sliding angle.

Assessment of photothermal performance through temperature increment measurements under solar irradiation.

Evaluation of anti-icing properties by measuring water droplet freezing delay.

Quantification of ice-melting efficiency under solar irradiation.

Main Results:

The insulation layer significantly increased the water contact angle to 155° ± 0.5° and reduced the sliding angle to 4° ± 0.5°, indicating superhydrophobicity.
The coating exhibited notable temperature increases under irradiation (up to 5.4 °C higher than without insulation).
Freezing time for water droplets was delayed by up to six times compared to the bare substrate.
Ice melting time was reduced by nearly half (initial) and one-third (complete) under 0.3 kW/m² irradiation.

Conclusions:

The integrated epoxy resin thermal insulation layer effectively enhances both the superhydrophobic and photothermal properties of the composite coating.
This synergistic approach leads to significantly improved anti-icing and ice-melting capabilities.
The developed coating presents a promising solution for efficient ice management in various demanding environments.