DOI: 10.1016/j.porgcoat.2024.108358">
 

Bio-based oligomer for hydrophobic organic-inorganic hybrid clearcoats with multiple cure capabilities

Document Type

Article

Publication Date

2024

Department/School

Engineering Technology

Publication Title

Progress in Organic Coatings

Abstract

This study explores two innovative Organic-Inorganic Hybrid coatings that are 100 % solids, free of VOCs, and one produced from over 50 % bio-renewable material. These coatings exhibit versatile curability under distinct conditions, including thermal, UV exposure, and ambient temperature. To investigate their multi-curing capabilities in this study, these oligomers were formulated with alkoxysilane reactive diluent and blocked catalysts in high-solid OIH coating systems. The investigation of cure extent via the peak-area ratio method using FT-IR and gravimetric analysis highlights the extensive curing achieved across all coating compositions. Additionally, the study assesses the chemical, mechanical, and durability aspects of the coatings, revealing consistent hydrophobicity among all compositions, alongside remarkable durability and an optimal balance of flexibility and hardness. The compositions examined in this research exhibit significant potential as a sustainable solution for various advanced applications.

Comments

V. Mannari is a faculty member in EMU's School of Engineering.

*T. Hayeri is an EMU student.

Link to Published Version

DOI: 10.1016/j.porgcoat.2024.108358

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