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Titolo:
EMULSION COPOLYMERIZATION AND TERPOLYMERIZATION OF STYRENE, METHYL-METHACRYLATE AND METHYL ACRYLATE .2. CONTROL OF EMULSION TERPOLYMER MICROSTRUCTURE WITH OPTIMAL ADDITION PROFILES
Autore:
SCHOONBROOD HAS; VANEIJNATTEN RCPM; GERMAN AL;
Indirizzi:
EINDHOVEN UNIV TECHNOL,POLYMER CHEM LAB,POB 513 5600 MB EINDHOVEN NETHERLANDS EINDHOVEN UNIV TECHNOL,POLYMER CHEM LAB 5600 MB EINDHOVEN NETHERLANDS
Titolo Testata:
Journal of polymer science. Part A, Polymer chemistry
fascicolo: 6, volume: 34, anno: 1996,
pagine: 949 - 955
SICI:
0887-624X(1996)34:6<949:ECATOS>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
COPOLYMER COMPOSITION CONTROL; ACETATE BUTYL ACRYLATE; VINYL-ACETATE; ETHYL ACRYLATE; SEMI-BATCH; POLYMERIZATION; POLICIES;
Keywords:
EMULSION TERPOLYMERIZATION; CONTROL OF MICROSTRUCTURE; MONOMER ADDITION PROFILE; CHEMICAL COMPOSITION DISTRIBUTION; GRADIENT POLYMER ELUTION CHROMATOGRAPHY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
27
Recensione:
Indirizzi per estratti:
Citazione:
H.A.S. Schoonbrood et al., "EMULSION COPOLYMERIZATION AND TERPOLYMERIZATION OF STYRENE, METHYL-METHACRYLATE AND METHYL ACRYLATE .2. CONTROL OF EMULSION TERPOLYMER MICROSTRUCTURE WITH OPTIMAL ADDITION PROFILES", Journal of polymer science. Part A, Polymer chemistry, 34(6), 1996, pp. 949-955

Abstract

An optimal addition profile for the preparation of a chemically homogeneous emulsion terpolymer of styrene, methyl methacrylate, and methylacrylate was determined using a recently developed model for describing composition drift in emulsion co- and terpolymerizations, TRISEPS, described in Part I of this series. The model uses recently published simplified equations to describe monomer partitioning and the terminalmodel for describing terpolymer composition. The optimal addition rate profile was determined from the calculated optimal addition profile with a purely empirical and iterative method. With gradient polymer elution chromatography (GPEC(R)) the homogeneity and/or heterogeneity ofthe terpolymers prepared in the iterative series of experiments couldbe determined and compared to the heterogeneity of the corresponding batch terpolymer described in Part I. It was shown that a homogeneous terpolymer could be obtained indicating that the simplified equations for monomer partitioning and the terminal model for terpolymer composition describe the system adequately. It was also shown that GPEC(R) was useful in the determination of the optimal addition rate profile. (C) 1996 John Wiley & Sons, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/09/20 alle ore 12:51:51