Fabrication of Polyurethane–Polyacrylate Hybrid Latexes with High Organosilicon Content via Phase Inversion Emulsion Polymerization
2024

Creating Eco-Friendly Hybrid Latex with Organosilicon

publication 10 minutes Evidence: high

Author Information

Author(s): Zhou Junhao, Luo Furui, Tang Liming, Guo Zhaoxia, Cirillo Giuseppe

Primary Institution: Key Laboratory of Advanced Materials of Ministry of Education of China, Department of Chemical Engineering, Tsinghua University, Beijing, China

Hypothesis

Can high organosilicon content be incorporated into polyurethane–polyacrylate hybrid latexes without compromising stability?

Conclusion

The study successfully developed stable polyurethane–polyacrylate hybrid latexes with high organosilicon content, improving their mechanical properties and water resistance.

Supporting Evidence

  • The latexes remained stable for at least 6 months without significant changes.
  • Water absorption decreased from 89.2% to 28.5% with increased MPS content.
  • The Young’s modulus increased from 1.6 MPa to 45.2 MPa as MPS content rose.
  • Coatings showed good adhesion and impact resistance.
  • The method reduced the likelihood of hydrolysis of organosilicon during production.

Takeaway

This research shows how to make a special type of paint that is both strong and good for the environment by mixing two materials and adding a special ingredient.

Methodology

The study used phase inversion emulsion polymerization to create hybrid latexes with varying amounts of 3-(methacryloyloxy)propyltrimethoxysilane.

Limitations

The study did not explore the long-term effects of environmental conditions on the latexes beyond 6 months.

Digital Object Identifier (DOI)

10.3390/molecules29245870

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