Citation: Mei Li, Gu Li, Zi-shou Zhang, Xin Dai, Yue-wen Yang, Kan-cheng Mai. Enhanced Ultraviolet Resistance of Polypropylene Random Copolymer Filled by ZnO-supported Mesoporous Zeolite[J]. Chinese Journal of Polymer Science, ;2015, 33(7): 976-987. doi: 10.1007/s10118-015-1650-y shu

Enhanced Ultraviolet Resistance of Polypropylene Random Copolymer Filled by ZnO-supported Mesoporous Zeolite

Mei Li ¹ ,
Gu Li ¹ ,
Zi-shou Zhang ¹ ,
Xin Dai ¹ ,
Yue-wen Yang ¹ ,
Kan-cheng Mai ¹

Received Date: 27 October 2014
Revised Date: 3 February 2015

Fund Project: This work was financially supported by the National Natural Science Foundation of China (Nos. 51173208 and 51373202) and the Natural Science Foundation of Guangdong (No. S2011020001212).

To enhance the ultraviolet resistance of ZnO based polymer materials, ZnO-supported mesoporous zeolite (M-ZnO) was prepared and characterized by atomic absorption spectroscopy and scanning electron microscopy. The ultraviolet resistance, crystallization behavior and melting characteristics of ZnO and M-ZnO filled PPR composites were compared by FTIR spectra and differential scanning calorimetry. The ultraviolet resistance of M-ZnO filled PPR composites is higher than that of ZnO filled PPR composites, indicating higher ultraviolet resistance of M-ZnO than that of ZnO. The crystallization temperatures of mesoporous zeolite filled PPR were higher than those of M-ZnO and decreased with increasing UV-irradiation time. But the crystallization temperatures of M-ZnO filled PPR composites were not influenced by UV-irradiation time. The ZnO supported on the surface of zeolite is effective in enhancing the ultraviolet resistance of ZnO based polymer materials.
- Polypropylene random copolymer (PPR),
- ZnO,
- Mesoporous zeolite,
- Photo-oxidation degradation
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