Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 591, Issue -, Pages 409-417Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2021.02.029
Keywords
Cellulose nanocrystals; Cellulose nanofibrils; Ionic liquids; Rheology; Interfacial interaction
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Funding
- National Natural Science Foundation of China [U1908221, 51873190, 51790503]
- Fundamental Research Funds for the Central Universities [2020XZZX002-08]
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The study demonstrates that ionic liquid can improve the dispersion of cellulosic nanofillers and enhance the mechanical strength of vulcanizates. As the concentration of cellulosic nanofillers and ionic liquid increases, the viscoelastic rheological behavior of the vulcanizates is also affected.
Cellulosic nanofillers are sustainable replacements of synthetic fillers while the agglomeration limits their potentials in high-performance rubber bionanocomposites. Herein, we investigate the effects of ionic liquid (IL) on cellulose nanocrystal and cellulose nanofibril filled natural rubber (NR) compounds and vulcanizates. The results indicate that IL improves the dispersion of cellulosic nanofillers, crosslinking density of NR matrix and mechanical strength of the vulcanizates. Invesigations of viscoelastic rheological behaviors show amplitude of Payne effect faints in compounds and raises relatively in vulcanizates with the increment of cellulosic nanofillers and IL. (c) 2021 Elsevier Inc. All rights reserved.
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