研究了pH值及PAA对BaTiO3水悬浮液稳定性的影响.结果表明,由于Ba2+在低pH值条件下的溶解,使BaTiO3粉体的等电点比化学计量的BaTiO3等电点小,为pH=6.4.当PAA的加入量一定时,悬浮液的稳定性随pH值的增加而增加.而在一定的pH值条件下,存在一个PAA的最佳加入量,此加入量随pH值的增加而减小.
参考文献
[1] | 司文捷;Graule T J;Baader F H .直接凝固注模成型Si3N4及SiC陶瓷—基本原理及工艺过程[J].硅酸盐学报,1996,24(01):32-36. |
[2] | Young A C;Omatete O O;Janney M A et al.Gelcasting of alumina[J].Journal of the American Ceramic Society,1991,74(03):612-618. |
[3] | P. F. Blazdell;J. R. G. Evans;M. J. Edirisinghe;P. Shaw;M. J. Binstead .The computer aided manufacture of ceramics using multilayer jet printing[J].Journal of Materials Science Letters,1995(22):1562-1565. |
[4] | Cesarano J;Aksay I A;Blier A .Stability of aqueous α-alumina suspensions with poly(methacrylic acid)polyelectrolyte[J].Journal of the American Ceramic Society,1988,71(04):250-255. |
[5] | GherardiP;Matijevic E .Homogeneous precipitation of spherical colloidal barium titanate particles[J].Colloids and Surfaces,1988,32:257-274. |
[6] | Yoon R H;Salman T;Donnay G .Predicting points of zero charges of oxides and hydroxides J[J].Journal of Colloid and Interface Science,1979,70(03):483-493. |
[7] | Sato T;Ruch R.Stabilization of colloidal dispersions by polymer adsorption[M].New York:Marcel Dekker,1982:16. |
[8] | Chen Z C;Ring T A;Lemater J .Stabilization and processing of aqueous BaTiO3 suspensions with polyacrylic acid[J].Journal of the American Ceramic Society,1992,75(12):3201-3208. |
[9] | HirataY;Kamikakimoto J;Nishimoto A .Interaction between α-alumina surface and polyacrylic acid[J].Journal of the Ceramic Society of Japan,1992,100(01):7-12. |
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