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Green thermoplastic starch (TPS) nanocomposite films aided by cellulose nanofibers (CNFs) from Chrysopogon zizanioides roots were developed and characterized. When compared to other lignocellulosic fibers, Chrysopogon zizanioides roots revealed exceptionally high cellulose content (~48%). CNFs were separated using an environmentally friendly acid isolation technique that included three stages: (i) alkali treatment; (ii) bleaching; and (iii) mild acid hydrolysis using oxalic acid in an autoclave. Following that, green nanocomposite films were made from potato starch using the solution casting process, by which we used glycerol (30 wt%) to make thermoplastic starch. Then, cellulose nanofibers in different concentrations (0, 1, 2, 3, 4 wt%) were added to the thermoplastic starch matrix. The isolated CNFs had diameters in the range of 17–27 nm. Besides, these nanostructures presented a very high crystallinity index (~65%), thereby enhanced the thermal stability. TPS/CNF green nanocomposites containing 3 wt% CNFs had exceptional tensile strength (~161%), tensile modulus (~167%), thermal stability, and crystallinity. As a result, nanocomposite films made of starch and cellulose nanofibers (3 wt%) extracted from Chrysopogon zizanioides roots would be alternatives for sustainable packaging. It can be concluded that Chrysopogon zizanioides roots have high potential for polymer industry.
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Autorzy (13)
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Midhun Dominic C.D.
- Department of Chemistry, Sacred Heart College (Autonomous), Kochi, Kerala Pin-682013, India
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Derval dos Santos Rosa
- Universidade Federal do ABC, Centro de Engenharia, Modelagem e Ciências Sociais Aplicadas (CECS), CEP 09090-400 Santo André, SP, Brazil
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Paulo Henrique Camani
- Universidade Federal do ABC, Centro de Engenharia, Modelagem e Ciências Sociais Aplicadas (CECS), CEP 09090-400 Santo André, SP, Brazil
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Athira S Kumar
- Department of Chemistry, Sacred Heart College (Autonomous), Kochi, Kerala Pin-682013, India
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Neenu K.v.
- Department of Applied Chemistry, Cochin University of Science and Technology (CUSAT), Kerala Pin-682022, India
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P.M. Sabura Begum
- Department of Applied Chemistry, Cochin University of Science and Technology (CUSAT), Kerala Pin-682022, India
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Divya Dinakaran
- Department of Chemistry, Sacred Heart College (Autonomous), Kochi, Kerala Pin-682013, India
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Effina John
- Department of Chemistry, St. Albert's College (Autonomous), Kochi, Kerala Pin-682018, India
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Donna Baby
- Department of Chemistry, St. Peter's College, Kolenchery, Kerala Pin-682311, India
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Meenu Mariya Thomas
- Department of Chemistry, Morning Star Home Science College, Angamaly, Kerala Pin-683585, India
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Jaison M. Joy
- Department of Chemistry, Sacred Heart College (Autonomous), Kochi, Kerala Pin-682013, India
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Jyotishkumar Parameswaranpillai
- School of Biosciences, Mar Athanasios College for Advanced Studies Tiruvalla (MACFAST), Pathanamthitta, Kerala Pin-689101, India
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
-
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
nr 191,
strony 572 - 583,
ISSN: 0141-8130 - Język:
- angielski
- Rok wydania:
- 2021
- Opis bibliograficzny:
- Dominic C.d. M., dos Santos Rosa D., Camani P. H., Kumar A. S., K.v. N., Begum P. S., Dinakaran D., John E., Baby D., Thomas M. M., Joy J. M., Parameswaranpillai J., Saeb M.: Thermoplastic starch nanocomposites using cellulose-rich Chrysopogon zizanioides nanofibers// INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES -Vol. 191, (2021), s.572-583
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.ijbiomac.2021.09.103
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 70 razy
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