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Titolo:
Kinetic studies of thermally induced phase separation in polymer-diluent system
Autore:
Matsuyama, H; Kudari, S; Kiyofuji, H; Kitamura, Y;
Indirizzi:
Okayama Univ, Dept Environm Chem & Mat, Okayama 7008530, Japan Okayama Univ Okayama Japan 7008530 nm Chem & Mat, Okayama 7008530, Japan
Titolo Testata:
JOURNAL OF APPLIED POLYMER SCIENCE
fascicolo: 7, volume: 76, anno: 2000,
pagine: 1028 - 1036
SICI:
0021-8995(20000516)76:7<1028:KSOTIP>2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Soggetto:
MICROPOROUS MEMBRANE FORMATION; STAGE SPINODAL DECOMPOSITION; RESOLVED LIGHT-SCATTERING; POLY(ETHER ETHER KETONE); HOLLOW-FIBER MEMBRANES; POLY(METHYL METHACRYLATE); CRYSTALLIZATION KINETICS; INVERSION PROCESS; TERNARY MIXTURES; POLYSTYRENE;
Keywords:
thermally induced phase separation; light scattering; spinodal decomposition; structure factor; droplet growth;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
53
Recensione:
Indirizzi per estratti:
Indirizzo: Matsuyama, H Kyoto Inst Technol, Dept Chem & Mat Technol, Sakyo Ku, Kyoto 6068585, Japan Kyoto Inst Technol Kyoto Japan 6068585 Kyoto 6068585, Japan
Citazione:
H. Matsuyama et al., "Kinetic studies of thermally induced phase separation in polymer-diluent system", J APPL POLY, 76(7), 2000, pp. 1028-1036

Abstract

Thermally induced phase separation was studied by the light scattering in polypropylene/methyl salicylate system. Data could be well fitted with the Linear Cahn theory for spinodal decomposition (SD) in the early stage of phase separation. Characteristic properties of the early stage of SD, such asan apparent diffusion coefficient, and an interphase periodic distance, were obtained. The periodic distance ranged from 3 mu m to 4 mu m. The growthof the phase-separated structure obeyed power-law scaling in dhe later stage, and the structure factor could be scaled into a universal time-independent form. Domain sizes obtained from the light-scattering measurements wereconsistent with the optical microscope measurements. (C) 2000 John Wiley &Sons, Inc.

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Documento generato il 29/03/20 alle ore 11:50:07