Enhancement of the mechanical properties of polysaccharide composite films utilizing cellulose nanofibers

Yataka, Yusuke; Suzuki, Ayami; Iijima, Kazutoshi; Hashizume, Makoto

doi:10.1038/s41428-020-0311-3

Cited by 15 publications

(10 citation statements)

References 43 publications

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“…The enhancement of mechanical properties of polymer nanocomposites by incorporation of cellulose nanofibers was largely studied. 67 In fact, one cannot be surprised to observe in Figure 7 that the presence of BC or MT-BC improves the crushing resistance of the MH/OCNF polymeric blend (47.2 ± 3.1 N). The greatest hardness observed with MH/OCNF/MT-BC (57.8 ± 4.5 N) could be related to the rigidity of biochar particles and the reinforcing impact of MT dispersion within the biochar.…”

Section: ■ Results and Discussionmentioning

confidence: 94%

“…The uc-TSP exhibited a crushing strength of 44.4 ± 3.9 N. It can be clearly remarked that the highest crushing strength of 59.9 ± 3.5 N was attributed to OCNF-c-TSP, which might be due to the intrinsic stiffness of cellulose at nanometric size with a high surface area, resulting in a high density of inter-OCNF bonds. , Due to the same mentioned reasons, the incorporation of oxidized nanocellulose fibrils into the MH matrix increased slightly its crushing resistance, indicating the strong affinity and interfacial interaction between the MH matrix and OCNF, which could act as a nanoreinforcing agent. The enhancement of mechanical properties of polymer nanocomposites by incorporation of cellulose nanofibers was largely studied . In fact, one cannot be surprised to observe in Figure that the presence of BC or MT-BC improves the crushing resistance of the MH/OCNF polymeric blend (47.2 ± 3.1 N).…”

Section: Resultsmentioning

confidence: 99%

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Cellulose Nanofibers/Engineered Biochar Hybrid Materials as Biodegradable Coating for Slow-Release Phosphate Fertilizers

Kassem

Ablouh

Bouchtaoui

et al. 2022

ACS Sustainable Chem. Eng.

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Even if substantial efforts have been made to produce coated fertilizers with more efficient nutrients release, the development of simple processes using greener materials is still challenging to date. Herein, designed biobased formulations, prepared using biochar materials and oxidized cellulose nanofibers filled into methyl hydroxyethyl cellulose, were developed and then used as coating agents of phosphate fertilizer (triple superphosphate). Biochars were elaborated via direct pyrolysis of lignocellulosic biomass. In the case of the so-called engineered biochar (i.e., montmorillonite modified), a co-pyrolysis process of montmorillonite (MT) and biomass was performed. Nanocomposite films were then prepared from the as-prepared coating formulations prior to examine their surface wetting, swelling capacity, and biodegradability in the soil medium. Collected results show that biochar materials significantly reduce the hydrophilicity of cellulosic materials. Furthermore, the addition of MT during the biomass pyrolysis impacts reaction yield (by 54.54%) and also tunes the porous structure of biochar. Moreover, this MT addition induces a decrease of the swelling capacity and degradation rate of cellulose/biochar films by a factor of 45.74 and 44.48%, respectively. Interestingly, the developed cellulose/ engineered biochar coating material induces an increase of the crushing strength of fertilizer granules by 30.29% in comparison with the uncoated fertilizer. Furthermore, the soil water holding capacity was also considerably improved by 7.78% with a water retention capacity of 3.00% after 25 days when cellulose/engineered biochar-coated fertilizer was added into the soil. In fact, this fertilizer impacts considerably on the release of phosphorus (P) in the soil with a reduction of 43.90% of P leaching within 80 days of soil incubation. These findings indicate that the biobased developed nanocomposite formulations of cellulosic biochars are suitable to produce slow-release phosphate fertilizers with reduced P leaching and water-saving properties.

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Section: ■ Results and Discussionmentioning

confidence: 94%

Section: Resultsmentioning

confidence: 99%

Cellulose Nanofibers/Engineered Biochar Hybrid Materials as Biodegradable Coating for Slow-Release Phosphate Fertilizers

Kassem

Ablouh

Bouchtaoui

et al. 2022

ACS Sustainable Chem. Eng.

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“…30 Water uptake ratio (WUR) tests were performed in freshwater. Five dried film specimens (2 cm Â 2 cm) were immersed in water for a fixed duration (10,20,40,60, and 120 min), after which the swollen samples were removed using tweezers. Tissue paper was used to remove excess water, after which the samples were weighed.…”

Section: Characterizationmentioning

confidence: 99%

“…[36][37][38] PIC-driven hydrogels are utilized for in situ gelations, tissue engineering, and drug delivery. [39][40][41] However, studies on PIC-driven cellulose/starch-based films and their marine degradability are scarce.…”

Section: Introductionmentioning

confidence: 99%

“…The use of biopolymers (such as alginate, hyaluronic acid, pectin, and carrageenan as anionic polymers and chitosan and gelatin as cationic polymers) for preparing PIC‐based hydrogels and films has been extensively reported 36–38 . PIC‐driven hydrogels are utilized for in situ gelations, tissue engineering, and drug delivery 39–41 . However, studies on PIC‐driven cellulose/starch‐based films and their marine degradability are scarce.…”

Section: Introductionmentioning

confidence: 99%

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Cellulose nanofiber reinforced starch film with rapid disintegration in marine environments

Soni

Hsu

Asoh

et al. 2022

J of Applied Polymer Sci

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Floating plastic debris in the ocean creates major environmental problems and threatens marine life. Conventional marine‐degradable plastics can remain in seawater for many years due to their strength and stability. In this study, we prepared a cellulose nanofiber‐reinforced starch film that rapidly degrades in marine environments. (2,2,6,6‐Tetramethylpiperidin‐1‐yl)oxyl (TEMPO) mediated oxidation was performed to prepare highly fibrillated TEMPO‐oxidized cellulose nanofiber (TCNF). The TCNF was blended with cationic starch (CS) to develop a TCNF/CS film, which exhibited adequate mechanical strength (~50 MPa) and freshwater durability. In contrast, the neat TCNF and CS films collapsed in freshwater. Results showed that the TCNF/CS film disintegrated and lost its strength and stability in seawater. The wet strength of the TCNF/CS film decreased to ~50 kPa after 28 days of seawater immersion, while that of the neat TCNF film was steady at a wet strength of ~25 MPa due to ionic crosslinking. Owing to its rapid disintegration ability in marine environments, the TCNF/CS film is a potential next‐generation packaging material that can help address the problem of floating debris.

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Cyanobacterial Exopolysaccharide as Natural Sources for Food Packaging Applications

Mishra

2020

Innovations in Food Technology

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Enhancement of the mechanical properties of polysaccharide composite films utilizing cellulose nanofibers

Cited by 15 publications

References 43 publications

Cellulose Nanofibers/Engineered Biochar Hybrid Materials as Biodegradable Coating for Slow-Release Phosphate Fertilizers

Cellulose Nanofibers/Engineered Biochar Hybrid Materials as Biodegradable Coating for Slow-Release Phosphate Fertilizers

Cellulose nanofiber reinforced starch film with rapid disintegration in marine environments

Cyanobacterial Exopolysaccharide as Natural Sources for Food Packaging Applications

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