Abstract
Poly(ethylene imine) (PEI) has been used as a dispersant for tape casting of SiC powders in aqueous media. The stability of SiC suspensions was studied and characterized in terms of zeta potential, sedimentation, adsorption, and rheology measurements. Zeta potential studies showed that the particle surface was negatively charged in the absence of PEI in the pH 2.5–13 ranges. Adsorptions of PEI increased the zeta potential and led to the shift of isoelectric point from pH 2.4 to pH 10.5. Sedimentation study showed that, in the absence of PEI, SiC slurries were stable around pH 6, while, in the presence of PEI, stabilization could be achieved at a condition of saturated adsorption (1.07 mg/m2) and was related to the high-;affinity adsorption in the pH = 10.5–11.5 range. The rheological measurements showed that SiC slurries (50 vol%) were well stability with slight thixotropical behavior. Finally, the best conditions to obtain a homogeneous stable slurry with high powder loading suitable for tap casting were determined.
Similar content being viewed by others
References
E.P. Hyatt, Am. Ceram. Soc. Bull. 65, 637 (1986).
R.E. Mistler, Am. Ceram. Soc. Bull. 71, 1521 (1992)
K. Kita, J. Fukuda, H. Ohmura, and T. Sakai, U.S. Pat. No. 4353958 (1992).
N.R. Gurak, P.L. Josty, and R.J. Thompson, Am. Ceram. Soc. Bull. 66, 1495 (1987).
K. Nagata, J. Ceram. Soc. Jpn. 101, 1271 (1993).
T. Chartier and A. Bruneau, J. Eur. Ceram. Soc. 12, 243 (1993).
D. Hotza, R. Janssen, N. Claussen, and P. Greil, in Ceramic Transactions 51, edited by H. Hausner, G.L. Messing, and S-i. Hirano (The American Ceramic Society, Westerville, OH, 1995), pp. 397–401.
P. Nahass, W.E. Rhine, R.L. Pober, H.K. Bowen, and W.L. Robbins, Ceramic Transactions, Vol. 15, Materials and Processes in Microelectronic Systems (American Ceramic Society, Westerville, OH, 1990), pp. 355–364.
J-M. Cho and F. Dogan, J. Mater. Sci. 36, 2397 (2001).
J-H. Feng and F. Dogan, Mater. Sci. Eng. A 283, 56 (2000).
P. Nahass, W.E. Rhine, R.L. Pober, H.K. Bowen, and W.L. Robbins, in Ceramic Transactions, Vol. 15, Materials and Processes in Microelectronic Systems (American Ceramic Society, Westerville, OH, 1990), pp. 355–364.
D. Hotza and P. Greil, Mater. Sci. Eng. A 202, 206 (1995).
Z. Yuping, J. Dongliang, and P. Greil, J. Eur. Ceram. Soc. 20, 1691 (2000).
J-G. Yeo, Y-G. Jung, and S-C. Choi, Mater. Lett. 37, 304 (1998).
J.M. Ferreira and H.M.M. Diz, Ceram. Int. 25, 491 (1999).
J.M. Ferreira and H.M.M. Diz, J. Eur. Ceram. Soc. 17, 259 (1997).
P-K. Lin and D-s. Tsai, J. Am. Ceram. Soc. 80, 365 (1997).
L-M. Wang and W-C. Wei, J. Ceram. Soc. Jpn. 103, 434 (1995).
S. Baklouti, C. Pagnoux, T. Chartier, and J.F. Baumard, J. Eur. Ceram. Soc. 17, 1387 (1997).
E. Lidén, L. Bergström, M. Persson, and R. Carlsson, J. Eur. Ceram. Soc. 7, 361 (1997).
S. Assmann, U. Eisele, and H. Boder, J. Eur. Ceram. Soc. 17, 309 (1997).
M.F.L. Granja, F. Doreau, and J.M.F. Ferreira, Key Eng. Mater. 362 (1997).
E. Passalacqua, S. Freni, and F. Barone, Mater. Lett. 34, 257 (1998).
R.K. Iller, The Chemistry of Silica (John Wiley, New York, 1979), pp. 622–727.
C.G. Armistead, A.J. Tyler, F.H. Hambleton, S.A. Mitchell, and J.A. Hockey, J. Phys. Chem. 73, 3947 (1969).
D.L. Feke, NASA Contract. Rep. 179634 (1987).
M.A. Anderson and A.J. Rubin, Adsorption of Inorganics at Solid-Liquid Interfaces (Ann Arbor Science Publishers, Ann Arbor, MI, 1981).
J.M.F. Ferreira and H.M.M. Diz, J. Eur. Ceram Soc. 10, 59 (1992).
G.M. Lindquist and R.A. Stratton, J. Colloidal Interface Sci. 55, 45 (1976).
J.K. Dixon, V.K. La Mer, C. Li, S. Messinger, and H.B. Linford, J. Colloidal Interface Sci. 23, 465 (1967).
M.A. Winnik and S.M. Bystryak, Macromolecules 32, 624 (1999).
H. Byman-Fagerholm, P. Mikkola, J.B. Rosenholm, E. Lidén, and R. Carlsson, J. Eur. Ceram. Soc. 19, 41 (1999).
J.X. Zhang, D.L. Jiang, S.H. Tan, L.H. Gui, and M.L. Ruan, J. Am. Ceram. Soc. 84, 2537 (2001).
Z-C. Chen, T.A. Ring, and J. Lemaître, J. Am. Ceram. Soc. 75, 3201 (1992).
L-C. Guo, Y. Zhang, N. Uchida, and K. Uematsu, J. Am. Ceram. Soc. 81, 549 (1998).
J. Cesarano, III and A. Aksay, J. Am. Ceram. Soc. 71, 250 (1988).
V.A. Hackley, J. Am. Ceram. Soc. 80, 2315 (1997).
M.P. Albano and L.B. Garrido, J. Am. Ceram. Soc. 81, 837 (1998).
A. Zupancic, R. Lapasin, and A. Kristoffersson, J. Eur. Ceram. Soc. 18, 467 (1998).
T. Sato, J. Coat. Technol. 65(825), 113 (1993).
R. Moreno, Am. Ceram. Soc. Bull. 71, 1521 (1992).
H. Napper, J. Colloid Interface Sci. 58, 390 (1977).
C.A. Gutiérrez and R. Moreno, Res. Bull. 36, 2059 (2001).
V.A. Hackley, J. Am. Ceram. Soc. 81, 2421 (1998).
L. Wang, W. Sigmund, and F. Aldinger, Mater. Lett. 40, 14 (1997).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Zhang, J.X., Jianga, D.L., Tana, S.H. et al. Aqueous processing of SiC green sheets I: Dispersant. Journal of Materials Research 17, 2012–2018 (2002). https://doi.org/10.1557/JMR.2002.0298
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1557/JMR.2002.0298