Wu, W., Liu, T., Deng, X., Sun, Q., Cao, X., Feng, Y., Wang, B., Roy, V. A.L. and Li, R. K.Y. (2019) Ecofriendly UV-protective films based on poly (propylene carbonate) biocomposites filled with TiO2 decorated lignin. International Journal of Biological Macromolecules, 126, pp. 1030-1036. (doi: 10.1016/j.ijbiomac.2018.12.273) (PMID:30611805)
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Abstract
It is highly desirable to develop biodegradable UV-shielding materials from the renewable resources as the ever-increasing demand for the sustainable environment. In this work, TiO2 decorated lignin particles (TiO2@lignin) were synthesized successfully by hydrothermal method in aqueous solution to improve the UV shielding performance of lignin particles. The poly(propylene carbonate) (PPC) composite films (thickness of ~23 μm) with different contents of TiO2@lignin were prepared via a blade-casting method. Morphological analysis showed that the TiO2@lignin dispersed uniformly in the PPC matrix with a good miscibility. UV–vis transmission spectra results revealed that the PPC composite film containing 5 wt% TiO2@lignin could absorb about 90% of UV light in the full UV band (200–400 nm), indicating the TiO2@lignin had a good UV-shielding property. Moreover, the presence of TiO2@lignin could significantly improve the thermal stability of the PPC/TiO2@lignin composite films. The DMA results showed that the introduction of TiO2@lignin could enhance the storage modulus and glass transition temperature simultaneously.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Vellaisamy, Professor Roy |
| Authors: | Wu, W., Liu, T., Deng, X., Sun, Q., Cao, X., Feng, Y., Wang, B., Roy, V. A.L., and Li, R. K.Y. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | International Journal of Biological Macromolecules |
| Publisher: | Elsevier |
| ISSN: | 0141-8130 |
| ISSN (Online): | 1879-0003 |
| Published Online: | 03 January 2019 |
| Related URLs: |
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