[en] Poly(methyl methacrylate) (PMMA) containing 50 wt% of anthracene (anth) labeled reactive PMMA chains [thus end-capped by an anhydride (anh) or an isocyanate (NCO)] has been melt blended with polystyrene containing 33 wt% of chains end-capped by an aliphatic amine (PS-NH2) at 180degreesC. Conversion of anth-PMMA-anh and anth-PMMA-NCO into PMMA-b-PS copolymers has been determined by SEC with a UV detector. The interfacial reaction mainly occurs in the initial mixing stage (less than or equal to1.0 min), although at a rate which depends on the reactive groups attached to PMMA. Moreover, this interfacial reaction rate controls how the phase morphology is developed.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Chemical engineering
Author, co-author :
Yin, Zhiyui; University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Koulic, Christian; University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Pagnoulle, Christophe; University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Robert ; University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Dependence of the morphology development on the kinetics of reactive melt blending of immiscible polymers
Publication date :
December 2002
Journal title :
Canadian Journal of Chemical Engineering
ISSN :
0008-4034
Publisher :
Canadian Society for Chemical Engineering, Ottawa, Canada
Volume :
80
Issue :
6
Pages :
1044-1050
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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