Ecofriendly UV-protective films based on poly (propylene carbonate) biocomposites filled with TiO2 decorated lignin

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

30 Scopus Citations
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Author(s)

  • Wei Wu
  • Xueqin Deng
  • Xianwu Cao
  • Yanhong Feng
  • Bin Wang

Detail(s)

Original languageEnglish
Pages (from-to)1030-1036
Journal / PublicationInternational Journal of Biological Macromolecules
Volume126
Online published3 Jan 2019
Publication statusPublished - 1 Apr 2019

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.

Research Area(s)

  • Lignin, Poly(propylene carbonate), Thermal stability, TiO2, UV-shielding

Citation Format(s)

Ecofriendly UV-protective films based on poly (propylene carbonate) biocomposites filled with TiO2 decorated lignin. / Wu, Wei; Liu, Tao; Deng, Xueqin; Sun, Qijun; Cao, Xianwu; Feng, Yanhong; Wang, Bin; Roy, Vellaisamy A.L.; Li, Robert K.Y.

In: International Journal of Biological Macromolecules, Vol. 126, 01.04.2019, p. 1030-1036.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review