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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Study on the Sulfonation Treatment of ES Nonwoven Fabrics as Battery Separator
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 2075-2078)
Author(s): Shi-chao Cao, Engineering Research Center of Technical Textiles, Donghua University,Shanghai ,China
Hong Wang, Engineering Research Center of Technical Textiles, Donghua University,Shanghai ,China
Xiang-yu Jin, Engineering Research Center of Technical Textiles, Donghua University,Shanghai ,China
Abstract: In this paper, a kind of nonwoven fabrics composed of polyethylene/polypropylene sheath/core fibers (ES fibers) was made by dry-web forming and through-air bonding process as a base material of battery separators. The base nonwoven materials were treated with concentrated sulfuric acid to improve the hydrophilic property. The properties of the treated materials as battery separators, such as the absorbing rate and volume of alkali solution, the alkali resistance property, were tested and the structure were investigated by SEM and FTIR. It is found that the optimal sulfonation treatment time for ES nonwoven fabrics is about 20 minutes under room temperature.
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