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Titolo:
Preparation of SrTiO3 ceramic foam from alkoxide-derived oxide green sheets containing polymer microspheres via polymer extraction (part 2) - Influence of additional amount of polymer microsheres on SrTiO3 ceramic foam
Autore:
Kawasaki, K; Ozaki, Y;
Indirizzi:
Seikei Univ, Fac Engn, Dept Ind Chem, Musashino, Tokyo 1808633, Japan Seikei Univ Musashino Tokyo Japan 1808633 Musashino, Tokyo 1808633, Japan
Titolo Testata:
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN
fascicolo: 6, volume: 108, anno: 2000,
pagine: 581 - 587
SICI:
0914-5400(200006)108:6<581:POSCFF>2.0.ZU;2-F
Fonte:
ISI
Lingua:
JPN
Soggetto:
SURFACTANTS; DISPERSION; PARTICLES;
Keywords:
Sr-alkoxide; Ti-alkoxide; suspension; ceramic foam; polymer extraction;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Kawasaki, K Seikei Univ, Fac Engn, Dept Ind Chem, 3-3-1 Kichijoji Kitamachi, Musashino, Tokyo 1808633, Japan Seikei Univ 3-3-1 Kichijoji Kitamachi Musashino Tokyo Japan 1808633
Citazione:
K. Kawasaki e Y. Ozaki, "Preparation of SrTiO3 ceramic foam from alkoxide-derived oxide green sheets containing polymer microspheres via polymer extraction (part 2) - Influence of additional amount of polymer microsheres on SrTiO3 ceramic foam", J CERAM S J, 108(6), 2000, pp. 581-587

Abstract

SrTiO3 ceramic foams with spherical pores were obtained by polymer extraction from oxide green sheets containing polymer microspheres. Fine SrTiO3 particles were prepared by hydrolysis of Sr (OC3H7i)(2) and Ti (OC3H7i)(4), and were well-dispersed by oily alkylbenzensulfonate type ainonic surfactant. Size and morphology of polymer spheres were reflected in pores of green sheets, Five kinds of the green sheets with various weight ratios of SrTiO2 to polystyrene microspheres, 100/0, 100/50, 100/100, 100/150 and 100/200, were prepared, The polystyrene microspheres were extracted by benzene, and heat-treated at 1300 degrees C, Linear shrinkage of the green sheets observed during the heat treatment increased from 31.1% to 41.2% with increasing of the polystyrene microsphere content. Porosity of the SrTiO3 ceramic foamschanged from 3.7% to 74.0% with the adding amount of polystyrene microspheres. Closed pore structures of the SrTiO2 ceramic foam were transformed into open pore structures with the increase of the polystyrene microsphere content.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 14/07/20 alle ore 08:43:53