Article (Scientific journals)
Cellulose nanocrystals modification by grafting from ring opening polymerization of a cyclic carbonate.
Lalanne-Tisné, Michael; Eyley, Samuel; De Winter, Julien et al.
2022In Carbohydrate Polymers, 295, p. 119840
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Keywords :
1,5,7-Triazabicyclo[4.4.0]dec-5-ene (PubChem CID: 79873); 1,8-Diazabicyclo(5.4.0)undec-7-ene (PubChem CID: 81184); 4-Dimethylaminopyridine (PubChem CID: 14284); BEMP phosphazene (PubChem CID: 3513851); Cellulose nanocrystals; Nanocellulose; Organocatalysis; Polycarbonate; Ring-opening polymerization; Trimethylene Carbonate (PubChem CID: 123834); Carbonates; Polymers; Cellulose; Polymerization; Polymers/chemistry; Cellulose/chemistry; Nanoparticles/chemistry; 4-dimethylaminopyridine; Nano-cellulose; Phosphazenes; Pubchem; Trimethylene carbonate; Nanoparticles; Polymers and Plastics; Organic Chemistry; Materials Chemistry
Abstract :
[en] Surface modification of cellulose nanocrystals (CNC) by organocatalysed grafting from ring-opening polymerization (ROP) of trimethylene carbonate was investigated. Organocatalysts including an amidine (DBU), a guanidine (TBD), an amino-pyridine (DMAP) and a phosphazene (BEMP) were successfully assessed for this purpose, with performances in the order TBD > BEMP > DMAP, DBU. The grafting ratio can be tuned by varying the experimental parameters, with the highest grafting of 74 % by weight obtained under mild conditions, i.e at room temperature in tetrahydrofuran with a low amount of catalyst. This value is much higher than that of typical ring opening polymerizations of cyclic esters initiated from the surface of cellulose nanoparticles. Additionally, DSC analysis of the modified material revealed the presence of a glass transition temperature, indicative of a sufficient graft length to display polymeric behaviour. This is, to our knowledge, the first example of cellulose nanocrystals grafted with polycarbonate chains.
Research center :
CIRMAP - Centre d'Innovation et de Recherche en Matériaux Polymères
Disciplines :
Chemistry
Author, co-author :
Lalanne-Tisné, Michael;  Sustainable Materials Lab, Department of Chemical Engineering, KU Leuven, campus Kulak Kortrijk, Etienne Sabbelaan 53, box 7659, B-8500 Kortrijk, Belgium, Université de Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181 UCCS-Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
Eyley, Samuel;  Sustainable Materials Lab, Department of Chemical Engineering, KU Leuven, campus Kulak Kortrijk, Etienne Sabbelaan 53, box 7659, B-8500 Kortrijk, Belgium
De Winter, Julien  ;  Université de Mons - UMONS > Faculté des Sciences > Service de Synthèse et spectrométrie de masse organiques
Favrelle-Huret, Audrey;  Université de Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181 UCCS-Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
Thielemans, Wim;  Sustainable Materials Lab, Department of Chemical Engineering, KU Leuven, campus Kulak Kortrijk, Etienne Sabbelaan 53, box 7659, B-8500 Kortrijk, Belgium. Electronic address: wim.thielemans@kuleuven.be
Zinck, Philippe;  Université de Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181 UCCS-Unité de Catalyse et Chimie du Solide, F-59000 Lille, France. Electronic address: philippe.zinck@univ-lille.fr
Language :
English
Title :
Cellulose nanocrystals modification by grafting from ring opening polymerization of a cyclic carbonate.
Publication date :
01 November 2022
Journal title :
Carbohydrate Polymers
ISSN :
0144-8617
eISSN :
1879-1344
Publisher :
Elsevier Ltd, England
Volume :
295
Pages :
119840
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
S836 - Synthèse et spectrométrie de masse organiques
Research institute :
Research Institute for Materials Science and Engineering
Funding text :
The authors are grateful to Aurélie Malfait for SEC measurements, and Gertrude Kignelman for the help with contact angle analysis. The authors also acknowledge financial support from the Initiatives for Science, Innovation, Territories and Economy (I-SITE) Lille Nord – Europe (MLT PhD fellowship), from Research Foundation Flanders (grant G0C6013N), KU Leuven (grant C14/18/061) and from the European Union's European Fund for Regional Development, Flanders Innovation & Entrepreneurship, and the Province of West-Flanders for financial support in the Accelerate3 project (Interreg Vlaanderen-Nederland program). Université de Lille, Chevreul Institute (FR 2638), Ministère de l'Enseignement Supérieur de la Recherche et de l'Innovation, Région Hauts de France are also acknowledged for supporting and funding partially this work.The authors are grateful to Aurélie Malfait for SEC measurements, and Gertrude Kignelman for the help with contact angle analysis. The authors also acknowledge financial support from the Initiatives for Science, Innovation, Territories and Economy (I-SITE) Lille Nord – Europe (MLT PhD fellowship), from Research Foundation Flanders (grant G0C6013N ), KU Leuven (grant C14/18/061 ) and from the European Union 's European Fund for Regional Development, Flanders Innovation & Entrepreneurship , and the Province of West-Flanders for financial support in the Accelerate 3 project (Interreg Vlaanderen-Nederland program). Université de Lille, Chevreul Institute ( FR 2638 ), Ministère de l'Enseignement Supérieur de la Recherche et de l'Innovation, Région Hauts de France are also acknowledged for supporting and funding partially this work.
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