Weathering-Aging and UV Degradation of Polypropylene Spunbond Nonwovens

Abstract:

Polypropylene spunbond nonwovens were researched by comparing ultraviolet degradation and weathering-aging. The spunbond nonwoven samples with different content of CaCO₃ were exposed to ultraviolet lights from UVA-340 lambs and natural sunshine. Trends of the decrease of mechanical properties of all samples are similar but the curves in artificial UV degradation are steeper. CaCO₃ can promote the degradation of polymer matrix while weight per unit area has a less impact on the photo-degradation.

• Periodical: Advanced Materials Research (Volumes 550-553)
• Pages: 2270-2273
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.550-553.2270
• Online since: July 2012
• Authors: Hao Xie*, Peng Zhang, Rui Tian Zhu, Yu Rong Yan
• Keywords: Nonwoven, Polypropylene (PP), Ultraviolet, Weathering-Aging

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DOI: 10.1016/0032-3861(76)90291-3