폴리에틸렌이민 처리에 의한 면섬유의 양이온화 및 황화구리 도금에의 응용Cationization of Cotton Fibers by Polyethyleneimine Treatment and Its Application to Copper Sulfide Plating
- Other Titles
- Cationization of Cotton Fibers by Polyethyleneimine Treatment and Its Application to Copper Sulfide Plating
- Authors
- 김예원; 김영호; 오필록
- Issue Date
- Jun-2018
- Publisher
- 한국섬유공학회
- Keywords
- cotton fiber; polyethyleneimine; cationization; copper sulfide; electroless plating; K/S; electrical conductivity
- Citation
- 한국섬유공학회지, v.55, no.3, pp.143 - 151
- Journal Title
- 한국섬유공학회지
- Volume
- 55
- Number
- 3
- Start Page
- 143
- End Page
- 151
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/31552
- DOI
- 10.12772/TSE.2018.55.143
- ISSN
- 1225-1089
- Abstract
- Cotton fabrics were treated with polyethyleneimine (PEI), in order to cationize cellulose fibers and convert them into electro-conductive fibers by electroless plating of copper sulfide (CuS), using the introduced functional groups. As the PEI concentration increased and the treatment temperature decreased, the add-on (weight increase after treatment) of the PEI-treated fabric increased. However, treatment times of more than 30 minutes did not further affect the add-on. The PEI-treated cotton fabrics could be dyed with an acid dye, confirming that the fabrics were cationized. The apparent dye uptake according to the Mubelka-Munk equation (K/S value) of the dyed samples increased sharply with increasing PEI concentration, reached a maximum at 0.01 %(w/v), and then decreased with further increases in PEI concentration. These results indicate that a PEI concentration as low as 0.01% was sufficient for the cationization of cotton fibers. The PEI-pretreated cotton fabrics were electroless plated with CuS, using solutions containing both CuSO4 and Na2S2O3 and the electrical conductivity was compared by measuring the surface resistance. When a 4% (w/v) CuSO4 and 4% (w/v) Na2S2O3 solution was used for plating at 80 °C, the CuS plated samples showed a very low surface resistance of 1−2 Ω/sq.
Although the maximum K/S value of the dyed fabric was obtained at 0.01% PEI concentration, the surface resistance of the samples decreased continuously, before reaching an almost constant value at the PEI concentration of 0.5%.
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