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Titolo:
Unsteady stirring method staged used in suspension polymerization of styrene
Autore:
Yang, B; Takahashi, K; Takeishi, M;
Indirizzi:
Yamagata Univ, Dept Mat Sci & Engn, Yonezawa, Yamagata 9928510, Japan Yamagata Univ Yonezawa Yamagata Japan 9928510 wa, Yamagata 9928510, Japan
Titolo Testata:
JOURNAL OF APPLIED POLYMER SCIENCE
fascicolo: 8, volume: 82, anno: 2001,
pagine: 1873 - 1881
SICI:
0021-8995(20011121)82:8<1873:USMSUI>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Keywords:
unsteady stirring; staged; droplet; particle size; particle size distribution;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
8
Recensione:
Indirizzi per estratti:
Indirizzo: Takahashi, K Yamagata Univ, Dept Mat Sci & Engn, Yonezawa, Yamagata 9928510, Japan Yamagata Univ Yonezawa Yamagata Japan 9928510 9928510, Japan
Citazione:
B. Yang et al., "Unsteady stirring method staged used in suspension polymerization of styrene", J APPL POLY, 82(8), 2001, pp. 1873-1881

Abstract

The results of an unsteady stirring method staged, used in the suspension polymerization of styrene in a lab-scale batch reactor, are presented. Variation of droplet size during the whole polymerization process under the unsteady stirring condition, compared with that under a steady stirring condition, was found to be small. According to the variable droplet size character, two methods were used to divide the polymerization process into four stages and the unsteady stirring method was used in only one stage of each experimental run. By these operations, the optimum operation of obtaining large particle product with uniform particle size distribution was achieved. The results suggest that controlling the droplet coalescence process is more important than controlling the initial droplet size distribution to obtain uniform final particle products. (C) 2001 John Wiley & Sons, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/11/20 alle ore 15:29:56