Article (Scientific journals)
Synthesis of aliphatic polyamide bearing fluorinated groups from ε-caprolactam and modified cyclic lysine
Tunc, Deniz; Bouchekiv, Hassen; Améduri, Bruno et al.
2015In European Polymer Journal, 71, p. 575-584
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Keywords :
ring-opening polymerization (ROP)
Abstract :
[en] Aliphatic polyamide (PA) bearing fluorinated groups was synthesized in bulk with perfluorobutyryl-substituted α-amino-ε-caprolactam and ε-caprolactam by anionic ring-opening polymerization (AROP). The fluorinated monomer was obtained by condensation between cyclic lysine (i.e. α-amino-ε-caprolactam) and perfluorobutyrylchloride. The effect of the fluorinated monomer fraction onto the AROP of ε-caprolactam was monitored by the exothermicity of this polymerization versus time. The properties and characteristics of the resulting polymers were studied by with differential scanning calorimetry, thermogravimetry, magic angle spining NMR, FT-IR, and contact angle measurements. Polyamides bearing fluorinated groups exhibited better thermal stability than polyamide 6 (PA6) as well as a higher hydrophobic surface character as evidenced by surface tension measurements. The glass transition temperature of polyamide 6 was 53 °C and rose to 58 °C for a PA bearing fluorinated moieties, while fluorinated monomer insertion induced a decrease of the melting points from 216 to 198 °C. These copolymers displayed a maximum degradation temperature of 390 °C as compared to the 310 °C for PA6, and their surface energies decreased from 49.4 mN.cm-1 (PA6 value) to 44.1 mN.cm-1.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Chemistry
Materials science & engineering
Author, co-author :
Tunc, Deniz ;  University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Bouchekiv, Hassen;  University of Bordeaux, CNRS, Bordeaux INP, LCPO, France
Améduri, Bruno;  Ecole Nationale Supérieure de Chimie de Montpellier, Engineering and Macromolecular Architectures, Institut Charles Gerhardt, UMR (CNRS) 5253
Jérôme, Christine  ;  University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Desbois, Philippe;  BASF SE, Advanced Material and System Research, Ludwigshafen, Germany
Lecomte, Philippe  ;  University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Carlotti, Stéphane;  University of Bordeaux, CNRS, Bordeaux INP, LCPO, France
Language :
English
Title :
Synthesis of aliphatic polyamide bearing fluorinated groups from ε-caprolactam and modified cyclic lysine
Publication date :
October 2015
Journal title :
European Polymer Journal
ISSN :
0014-3057
eISSN :
1873-1945
Publisher :
Elsevier Science
Volume :
71
Pages :
575-584
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
The International Doctoral School IDS-FUNMAT
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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since 04 September 2015

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