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Titolo:
Preparation of polyimide-BaTiO3 hybrid films by a dispersion process and their microstructure
Autore:
Li, YS; Tong, YJ; Jing, K; Ding, MX;
Indirizzi:
Chinese Acad Sci, Changchun Inst Appl Chem, PCLCC, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China Chinese Acad Sci Changchun Peoples R China 130022 30022, Peoples R China
Titolo Testata:
CHINESE JOURNAL OF POLYMER SCIENCE
fascicolo: 1, volume: 19, anno: 2001,
pagine: 13 - 17
SICI:
0256-7679(200101)19:1<13:POPHFB>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Keywords:
polyimide; barium titanate; nanocomposite; hybrid film;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
12
Recensione:
Indirizzi per estratti:
Indirizzo: Li, YS Chinese Acad Sci, Changchun Inst Appl Chem, PCLCC, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China Chinese Acad Sci Changchun Peoples R China 130022 Peoples R China
Citazione:
Y.S. Li et al., "Preparation of polyimide-BaTiO3 hybrid films by a dispersion process and their microstructure", CHIN J POLY, 19(1), 2001, pp. 13-17

Abstract

Barium titanate (BaTiO3) powders with particle sizes of 30 similar to 50 nm were prepared from barium stearate, titanium alkoxides and stearic acid by stearic acid-gel method. Dispersing the agglomerate of BaTiO3 nanoparticles into poly(amic acid) solution followed by curing led to the formation ofpolyimide hybrid films. The hybrid films were transparent and well distributed with BaTiO3 nanoparticles when the BaTiO3 content was less than 1 wt%. Highly loaded hybrid film containing 30 wit % BaTiO3 was tough, had a smooth surface and possessed much higher dielectric and piezoelectric constantsthan the parent polyimide.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 16/07/20 alle ore 19:59:11