Production of conductive bacterial cellulose-polyaniline membranes in the presence of metal salts
- Authors
- Kim, Hyunjin; Song, Ji Eun; Silva, Carla; Kim, Hye Rim
- Issue Date
- Jul-2020
- Publisher
- SAGE PUBLICATIONS LTD
- Keywords
- bacterial cellulose; polyaniline; metal salt; copper salt; electrical conductivity; washing durability
- Citation
- TEXTILE RESEARCH JOURNAL, v.90, no.13-14, pp 1517 - 1526
- Pages
- 10
- Journal Title
- TEXTILE RESEARCH JOURNAL
- Volume
- 90
- Number
- 13-14
- Start Page
- 1517
- End Page
- 1526
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/2441
- DOI
- 10.1177/0040517519893717
- ISSN
- 0040-5175
1746-7748
- Abstract
- This study presents a cost-effective method of enhancing the electrical conductivity and washing durability of bacterial cellulose (BC)-polyaniline (PANI) membrane by the addition of metal salt. In this study, two types of metal salts were tested: copper (II) sulfate and iron (II) sulfate. The optimal condition to produce BC-PANI-metal salt membranes was 0.05% (w/v) of copper (II) sulfate (copper salt). X-ray diffraction analysis showed that the crystallinity of BC-PANI increased after adding copper salt. According to the increased degree of crystallinity, the polymer chain structure of BC-PANI-copper salt (BC-PANI-Cu) was more organized than that of BC-PANI, as confirmed by scanning electron microscopy. In addition, this ordered structure of BC-PANI-Cu indicated enhanced electrical conductivity. Moreover, the addition of copper salt improved the electrical conductivity of BC-PANI to a level about 3.8 times higher than that of BC-PANI produced without metal salt, and it retained about 40% of its original electrical conductivity after three washing cycles. From the results, the addition of copper salt improved both the electrical conductivity and washing durability of the BC-PANI membrane.
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