Photodegradation Performance and Evaluation Methods of Non-Durable Non-Woven Fabrics

Wei Min Lu; Ning Li; Zhi Lei Yuan; Xue Mei Ding

doi:10.4028/www.scientific.net/AMR.821-822.195

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 821-822Photodegradation Performance and Evaluation...

Photodegradation Performance and Evaluation Methods of Non-Durable Non-Woven Fabrics

Abstract:

Samples of polypropylene (PP), polyester (PET) and polylactide (PLA) non-woven fabrics were exposed to carbon arc light in a covered chamber at 65°C and 50% relative humidity for different times. In order to determine state of degradation, samples were examined by Tensile Properties, Scanning Electron Microscopy, Fourier Transform Infrared (FTIR) Spectroscopy and Differential Scanning Calovimotry (DSC) curves, and then were evaluated by retention rate of Tensile strength and Elongation , appearence changes on fabric and fiber, infrared spectra and melting point changes. Its observed that PP is more vulnerable to photodegradate than PET and PLA non-woven fabrics. Photosensitizer is crucial for samples photodegradation. Mechanical properties are used to examine photodegradation for PP, PET, PLA, and melting point changes could evaluate photodegradation for PP, PET. SEM observation can make qualitative evaluation, and Transform Infrared Spectroscopy might evaluate photodegradation for PP.

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Periodical:

Advanced Materials Research (Volumes 821-822)

Pages:

195-199

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.821-822.195

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Online since:

September 2013

Authors:

Wei Min Lu, Ning Li, Zhi Lei Yuan, Xue Mei Ding

Keywords:

Differential Scanning Calorimetry (DSC), Evaluation, Non-Woven Fabric, Photodegradation, Spectroscopy

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