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Functional nanoparticle reinforced starch-based adhesive emulsion: Toward robust stability and high bonding
Lei Chen1, Zia-Ud Din2, Dan Yang3
1School of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China; College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China.
Carbohydrate Polymers
|July 23, 2021
Summary
This study developed a novel nanoengineered starch-based adhesive. Incorporating functional nanoparticles significantly improved its storage stability, shear strength, and water resistance, offering a sustainable alternative to petroleum-based glues.
Area of Science:
- Materials Science
- Polymer Chemistry
- Sustainable Chemistry
Background:
- Petroleum-based adhesives pose environmental and health risks.
- Bio-based adhesives offer a sustainable alternative but often face performance limitations.
- Conventional nanocomposite adhesives can suffer from poor dispersion and stability.
Purpose of the Study:
- To develop a high-performance, nanoengineered starch-based adhesive.
- To overcome the drawbacks of conventional bio-based adhesives using functional nanoparticles.
- To investigate the effect of nanoparticle modification on adhesive properties.
Main Methods:
- Fabrication of a nanoengineered starch-based adhesive via grafting vinyl acetate (VAc) onto starch.
- Incorporation of functional nanoparticles: TiO2-coupling-poly(butyl acrylate, BA) (TKB).
- Characterization of adhesive properties, including dispersion, storage stability, shear strength, and water resistance.
Main Results:
- Poly(butyl acrylate) (BA) modification improved the dispersion of functional nanoparticles (TKB).
- Optimal TKB content (4% by mass) acted as a sliding bridge, enhancing storage stability and shear strength (dry and wet states).
- The 4% TKB modified adhesive exhibited excellent compatibility and water resistance due to increased hydrophobicity.
Conclusions:
- Functional nanoparticles significantly enhance the performance of starch-based adhesives.
- The developed nanoengineered adhesive presents a novel strategy for high-performance bio-adhesives.
- This research contributes to the development of sustainable and environmentally friendly adhesive solutions.
