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Fabrication of a high solid loading carbon black slurry and evaluation of its dispersion property

Title
Fabrication of a high solid loading carbon black slurry and evaluation of its dispersion property
Author
최성철
Keywords
Carbon black; High solid loading slurry; Dispersion; Rheology; Polar aprotic solvent
Issue Date
2017-10
Publisher
KOREAN ASSOC CRYSTAL GROWTH
Citation
JOURNAL OF CERAMIC PROCESSING RESEARCH, v. 18, no. 10, page. 760-765
Abstract
The effect of amphiphilic fatty acids on the dispersion property of carbon black in non-aqueous solvents was studied. Stearic acid and oleic acid were adopted as dispersants to study the stable dispersion mechanism of carbon black particles in a nonaqueous solvent. Because N-methyl-2-pyrrolidone (NMP) has a relatively high dielectric constant among non-aqueous solvents, it was introduced and had a good affinity for fatty acids. Carbon black was mixed into NMP with or without fatty acids at various contents. The dispersion homogeneity of the slurry was improved by affecting the surface energy of the carbon black particles treated with fatty acid. The slurries with stearic acid or oleic acid had different particle size distributions due to the difference in molecular structure of the hydrophobic groups of the two fatty acids. The rheological property of the carbon black slurry was improved according to the additional amount of added fatty acid, but it declined when it above a specific concentration.
URI
http://jcpr.kbs-lab.co.kr/file/JCPR_vol.18_2017/JCPR18-10/12.2017-179_760-765.pdfhttps://repository.hanyang.ac.kr/handle/20.500.11754/115731
ISSN
1229-9162
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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