Mechanism and Development of TiO2 in the PP aging resistance

doi:10.19491/j.issn.1001-9278.2013.01.004

China Plastics ›› 2013, Vol. 27 ›› Issue (01): 17-21.DOI: 10.19491/j.issn.1001-9278.2013.01.004

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Mechanism and Development of TiO₂ in the PP aging resistance

MEI Wenjie^1,2，XIONG Yuzhu^1,2，LIU Zhenyu^1,2

1. Materials and Metallurgy College of Guizhou University, Guiyang 550003，China;
2. The National Engineering Research Center of Composite Modified Polymer Materials, Guiyang 550014，China

Received:2012-07-20 Revised:2012-08-13 Online:2013-01-26 Published:2020-11-12

Abstract

Abstract: The aging of PP can he identified as physical and chemical aging. TiO₂ possesses theability of absorbing ultraviolet light to slow down PP aging. This article reviewed the recentprogress of improving the aging resistance PP using TiO₂.In order to avoid the aggregation, thesurface of TiO₂ should he modified. The better the dispersion of TiO₂，the higher the agingresistance. The anti-aging mechanism of TiO₂ in PP was also summarized.

Key words: polypropylene, nano-titanium, aging resistance, mechanism

CLC Number:

TQ325.1+4

MEI Wenjie, XIONG Yuzhu, LIU Zhenyu, . Mechanism and Development of TiO₂ in the PP aging resistance[J]. China Plastics, 2013, 27(01): 17-21.

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