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research article

Reaction monitoring of the MMA polymerization at marginal dispersion stability

Mantelis, Charalampos A.
•
Meyer, Thierry  
2008
AIChE Journal

The free-radical dispersion polymn. of Me methacrylate was studied using the reaction calorimetry technique. An esp. developed calorimeter for use with supercrit. fluids was employed and a set of expts. was explicitly designed to isolate the effect of the pressure. It was found that, under marginal dispersion stability conditions, small pressure changes can have significant effects on the reaction evolution. The pressure was also found to affect the partitioning of the monomer between the two reaction phases. The heat released during the nucleation stage of the reaction was measured for the first time and permitted the discussion on the polymn. locus during this stage.

  • Details
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Type
research article
DOI
10.1002/aic.11373
Web of Science ID

WOS:000252478900017

Author(s)
Mantelis, Charalampos A.
•
Meyer, Thierry  
Date Issued

2008

Publisher

Wiley-Blackwell

Published in
AIChE Journal
Volume

54

Issue

2

Start page

529

End page

536

Subjects

Polymerization (dispersion

•

monitoring of Me methacrylate polymn. at marginal dispersion stability)

•

Pressure (effect of reaction pressure on particle size distribution of Me methacrylate polymn.)

•

Heat capacity

•

Heat transfer

•

Molecular weight distribution

•

Nucleation

•

Particle size distribution

•

Supercritical fluids (monitoring of Me methacrylate polymn. at marginal dispersion stability)

•

methyl methacrylate polymn dispersion stability monitoring pressure supercrit liq

Note

CAN 148:308700, 35-4, Chemistry of Synthetic High Polymers, Institute of Chemical Sciences and Engineering, Group of Chemical and Physical Safety,Ecole Polytechnique Federale de Lausanne,Lausanne,Switz., Journal, 0001-1541, written in English., 67-63-0 (Isopropanol) Role: NUU (Other use, unclassified), USES (Uses) (monitoring of Me methacrylate polymn. at marginal dispersion stability); 80-62-6 (Methyl methacrylate) Role: PEP (Physical, engineering or chemical process), RCT (Reactant), PROC (Process), RACT (Reactant or reagent) (monitoring of Me methacrylate polymn. at marginal dispersion stability); 9011-14-7P (Methyl methacrylate homopolymer) Role: PRP (Properties), SPN (Synthetic preparation), PREP (Preparation) (monitoring of Me methacrylate polymn. at marginal dispersion stability); 78-67-1 (AIBN) Role: CAT (Catalyst use), USES (Uses) (polymn. catalyst; monitoring of Me methacrylate polymn. at marginal dispersion stability); 881169-34-2 (Polydimethyl siloxane methacrylate) Role: NUU (Other use, unclassified), USES (Uses) (stabilizer; monitoring of Me methacrylate polymn. at marginal dispersion stability); 124-38-9 (Carbon dioxide) Role: NUU (Other use, unclassified), USES (Uses) (supercrit.; monitoring of Me methacrylate polymn. at marginal dispersion stability)

Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
SCC  
GSCP  
Available on Infoscience
February 9, 2009
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/34849
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