Synthesis of PCL/clay masterbatches in supercritical carbon dioxide

[en] Pre-exfoliated nanoclays were prepared through a masterbatch process using supercritical carbon dioxide as solvent and poly(epsilon-caprolactone) as organic matrix. In situ polymerization of epsilon-caprolactone in the presence of large amount of clay was conducted to obtain these easily dispersible nanoclays, collected as a dry and fine powder after reaction. Dispersion of these pre-exfoliated nanoclays in chlorinated polyethylene was also investigated. All the results confirm the specific advantages of supercritical CO2 towards conventional solvents for filler modification.

Research Center/Unit :

Center for Education and Research on Macromolecules (CERM)

Disciplines :

Chemistry
Materials science & engineering

Author, co-author :

Urbanczyk, Laetitia ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Calberg, Cédric ; Université de Liège - ULiège > Department of Applied Chemistry > Laboratory of Industrial Chemistry

Stassin, Fabrice; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Alexandre, Michaël ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Jérôme, Robert ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Jérôme, Christine ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Detrembleur, Christophe ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Language :

English

Title :

Synthesis of PCL/clay masterbatches in supercritical carbon dioxide

Publication date :

26 August 2008

Journal title :

Polymer

ISSN :

0032-3861

eISSN :

1873-2291

Publisher :

Elsevier Science, Oxford, United Kingdom

Volume :

Issue :

Pages :

3979-3986

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6TXW-4SX9G0R-2-1&_cdi=5601&_user=532038&_orig=browse&_coverDate=08%2F26%2F2008&_sk=999509981&view=c&wchp=dGLbVzz-zSkzV&md5=b5ef235fd6e1411ff661211a164a1591&ie=/sdarticle.pdf

Funders :

The Region Wallonne in the frame of the WINNOMAT program PROCOMO
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]

Commentary :

The authors acknowledge Polymer (Elsevier) for allowing them to archive this paper.

Available on ORBi :

since 27 January 2009

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