AI Article Synopsis
- Vegetable oil, particularly castor oil, is gaining research attention due to its renewable properties and unique molecular structure.
- Through a two-step chemical modification process, castor oil was converted into a triacrylate structure and subsequently used to create a waterborne polyurethane acrylate emulsion that undergoes UV curing.
- The study demonstrated that increasing the MACOG content improved the thermal and mechanical properties of the coatings, highlighting potential advancements in the use of castor oil for high-performance coating applications.
Article Abstract
Because of its unique molecular structure and renewable properties, vegetable oil has gradually become the focus of researchers. In this work, castor oil was first transformed into a castor oil-based triacrylate structure (MACOG) using two steps of chemical modification, then it was prepared into castor oil-based waterborne polyurethane acrylate emulsion, and finally, a series of coating materials were prepared under UV curing. The results showed that with the increase in MACOG content, the glass transition temperature of the sample was increased from 20.3 °C to 46.6 °C, and the water contact angle of its surface was increased from 73.85 °C to 90.57 °C. In addition, the thermal decomposition temperature, mechanical strength, and water resistance of the samples were also greatly improved. This study not only provides a new idea for the preparation of waterborne polyurethane coatings with excellent comprehensive properties but also expands the application of biomass material castor oil in the field of coating.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11013653 | PMC |
| http://dx.doi.org/10.3390/polym16070949 | DOI Listing |
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