Study on Raman spectra of synthetic celluloses

Na Tong; Changjun Zhu; Yixin Zhang

doi:10.1117/12.2076097

19 February 2015 Study on Raman spectra of synthetic celluloses

Na Tong, Changjun Zhu, Yixin Zhang

Proceedings Volume 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014); 94490W (2015) https://doi.org/10.1117/12.2076097
Event: The International Conference on Photonics and Optical Engineering and the Annual West China Photonics Conference (icPOE 2014), 2014, Xi'an, China

Abstract

Raman spectrometry was employed to study the characteristics of Raman spectra of aliphatic polyamide fiber and polyethylene terephthalate (PET), which were treated with sodium hydroxide, sulfuric acid and copper sulfate, respectively. Raman spectra under different conditions were obtained and the characteristics of the Raman spectra were analyzed. The results show that Raman peaks beyond 1200 cm^-1 appear for aliphatic polyamide fiber processed by sodium hydroxide, while the Raman peaks beyond 1000 cm^-1 disappear for aliphatic polyamide fiber processed by sulfuric acid. Raman peaks beyond 1750 cm^-1 decrease for polyethylene terephthalate processed by sodium hydroxide, while Raman peaks beyond 1000 cm^-1 disappear, except weak peaks around 3000 cm^-1 , for polyethylene terephthalate processed by sulfuric acid. The variations of the Raman spectra are primarily related to the changes of chemical bonds and molecular structures.

Citation Download Citation

Na Tong, Changjun Zhu, and Yixin Zhang "Study on Raman spectra of synthetic celluloses", Proc. SPIE 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014), 94490W (19 February 2015); https://doi.org/10.1117/12.2076097

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