Influence of metal ion on electrorheological properties of carboxyl-group-immobilized chitosan dispersed suspension under electric field

Title
Influence of metal ion on electrorheological properties of carboxyl-group-immobilized chitosan dispersed suspension under electric field
Authors
고영건전영진김재용최웅수
Keywords
Anhydrous fluids; Chitosan; Electrical property; Polymer-metal complex; Shear stress
Issue Date
2010-11
Publisher
Colloids and surfaces. A, Physicochemical and engineering aspects
Citation
VOL 371, NO 1-3, 76-80
Abstract
This paper focuses on the influence of metal ions on electrorheological and electric properties. The metal particle has not been used as an electrorheological suspension due to the high conductivity and the sedimentation in the suspension although it is expected good electrical properties. In this study, carboxyl group and metal ions were introduced to the surface of the chitosan particle to confirm the influence of the metal ion on the electrorheological property. Although the synthesized chitosan succinate showed good electrorheological property, its metal complex (chitosan succinate–metal complex formed with Al3+, Cu2+, Ni2+, Fe2+, or Zn2+) dispersed suspension showed the low electro-response property and high values of current density and conductivity.
URI
http://pubs.kist.re.kr/handle/201004/38230
ISSN
0927-7757
Appears in Collections:
KIST Publication > Article
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