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Fast-Curing Mussel-Inspired Adhesive Derived from Vegetable Oil.
Gaoyan Xiong1, Wenjuan Xiong1, Siwen Dai1
1Key Laboratory of Optoelectronic Chemical Materials and Devices, Ministry of Education, School of Chemical and Environmental Engineering, Jianghan University, Wuhan 430056, P.R. China.
ACS Applied Bio Materials
|January 11, 2022
Summary
Researchers developed a novel mussel-inspired adhesive from renewable acrylated epoxidized soybean oil (AESO) and 3,4-dihydroxybenzoic acid (DHA). This sustainable adhesive offers rapid UV curing and strong bonding, even underwater.
Area of Science:
- Materials Science
- Polymer Chemistry
- Biomimetic Materials
Background:
- Renewable resources are crucial for sustainable functional materials.
- Mussel-inspired adhesives offer excellent underwater adhesion.
- Soybean oil derivatives provide a renewable platform for material synthesis.
Purpose of the Study:
- To synthesize a mussel-inspired adhesive from acrylated epoxidized soybean oil (AESO) and 3,4-dihydroxybenzoic acid (DHA).
- To evaluate the adhesive properties, including curing time and bonding strength, under various conditions.
- To assess the potential for large-scale application of this renewable adhesive.
Main Methods:
- One-step esterification reaction between AESO and DHA.
- UV irradiation for rapid curing.
- Mechanical testing to determine bonding strength on glass substrates.
- Underwater adhesion testing.
Main Results:
- Achieved a bonding strength of 1.4 MPa in 10 min and 2.8 MPa in 2 h via UV curing.
- Demonstrated significantly shorter curing times and higher bonding strength compared to conventional methods.
- Exhibited appreciable underwater bonding strength up to 0.64 MPa.
- AESO-g-DHA showed superior performance to many commercial glues.
Conclusions:
- A novel, high-performance mussel-inspired adhesive was successfully synthesized from renewable resources.
- The developed adhesive offers rapid curing, strong adhesion (including underwater), and potential for cost-effective, large-scale production.
- This biomimetic adhesive presents a promising sustainable alternative for various adhesive applications.
