Cellulose nanocrystals-starch nanocomposites produced by extrusion: Structure and behavior in physiological conditions

Nessi, Veronica; Falourd, Xavier; Maigret, Jean-Eudes; Cahier, Karine; D’Orlando, Angélina; Descamps, Nicolas; Gaucher, Valérie; Chevigny, Chloé; Lourdin, Denis

doi:10.1016/j.carbpol.2019.115123

Cited by 42 publications

(21 citation statements)

References 32 publications

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“…Native starch is a renewable natural resource, which can be extracted from different parts of the plants, such as seeds, fruits, leaves, tubers, and roots. It may come from a variety of vegetables and greens [ 56 ], including potato [ 34 , 46 , 59 , 60 , 61 , 62 , 63 , 64 ], cassava [ 65 , 66 , 67 , 68 , 69 , 70 , 71 ], maize [ 28 , 38 , 72 , 73 , 74 , 75 , 76 ], wheat [ 58 ], pea [ 5 , 45 , 77 , 78 , 79 , 80 ], tapioca [ 2 , 81 , 82 ], corn [ 33 , 35 , 36 , 43 , 47 , 48 , 83 , 84 , 85 , 86 , 87 , 88 , 89 ], pomegranate [ 90 ], sweet potato [ 53 ], and avocado [ 91 , 92 , 93 ]. Figure 2 shows the world production of some of the mentioned sources, which ...…”

Section: Thermoplastic Starchmentioning

confidence: 99%

“…Native starch is a renewable natural resource, which can be extracted from different parts of the plants, such as seeds, fruits, leaves, tubers, and roots. It may come from a variety of vegetables and greens [56], including potato [34,46,[59][60][61][62][63][64], cassava [65][66][67][68][69][70][71], maize [28,38,[72][73][74][75][76], wheat [58], pea [5,45,[77][78][79][80], tapioca [2,81,82], corn [33,35,36,43,47,48,[83][84][85][86][87][88][89], pomegranate [90], sweet potato [53], and avocado [91]…”

Section: Thermoplastic Starchmentioning

confidence: 99%

“…The nanofillers that can be used for TPS reinforcement could be extracted from natural sources: cellulose [ 33 , 34 , 35 , 36 , 37 ], native starch [ 38 , 39 , 40 , 41 , 42 ], clays [ 43 , 44 , 45 , 46 , 47 , 48 ], and chitosan [ 49 ]. The most used nanofillers are natural montmorillonite (MMT), organically modified montmorillonite (O-MMT), cellulose nanocrystals (CNC), and cellulose nanofibers (CNF).…”

Section: Introductionmentioning

confidence: 99%

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Green Nanocomposites Based on Thermoplastic Starch: A Review

et al. 2021

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The development of bio-based materials has been a consequence of the environmental awareness generated over time. The versatility of native starch is a promising starting point for manufacturing environmentally friendly materials. This work aims to compile information on the advancements in research on thermoplastic starch (TPS) nanocomposites after the addition of mainly these four nanofillers: natural montmorillonite (MMT), organically modified montmorillonite (O-MMT), cellulose nanocrystals (CNC), and cellulose nanofibers (CNF). The analyzed properties of nanocomposites were mechanical, barrier, optical, and degradability. The most important results were that as the nanofiller increases, the TPS modulus and strength increase; however, the elongation decreases. Furthermore, the barrier properties indicate that that the incorporation of nanofillers confers superior hydrophobicity. However, the optical properties (transparency and luminosity) are mostly reduced, and the color variation is more evident with the addition of these fillers. The biodegradability rate increases with these nanocompounds, as demonstrated by the study of the method of burial in the soil. The results of this compilation show that the compatibility, proper dispersion, and distribution of nanofiller through the TPS matrix are critical factors in overcoming the limitations of starch when extending the applications of these biomaterials. TPS nanocomposites are materials with great potential for improvement. Exploring new sources of starch and natural nano-reinforcement could lead to a genuinely eco-friendly material that can replace traditional polymers in applications such as packaging.

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Section: Thermoplastic Starchmentioning

confidence: 99%

“…Native starch is a renewable natural resource, which can be extracted from different parts of the plants, such as seeds, fruits, leaves, tubers, and roots. It may come from a variety of vegetables and greens [56], including potato [34,46,[59][60][61][62][63][64], cassava [65][66][67][68][69][70][71], maize [28,38,[72][73][74][75][76], wheat [58], pea [5,45,[77][78][79][80], tapioca [2,81,82], corn [33,35,36,43,47,48,[83][84][85][86][87][88][89], pomegranate [90], sweet potato [53], and avocado [91]…”

Section: Thermoplastic Starchmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Green Nanocomposites Based on Thermoplastic Starch: A Review

et al. 2021

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“…Morphological modification is also a common strategy that is utilized to change starches' functional properties to give porous starch or starch nanoparticles (NPs) (Li, Zhao et al, 2018;Oliyaei, Moosavi-Nasab, Tamaddon, & Fazaeli, 2020;Xiang et al, 2016;Yang et al, 2017). Enzymatic modification by pullulanase, an enzyme that cleaves (1,6)-α-D glycosidic linkages, can also effectively change the amylopectin to amylose ratio (Abidin et al, 2018; Although most of these modification strategies involve fairly simple synthetic reaction steps, much attention has recently been focused on developing and optimizing processes for reactive extrusion of starch, opening the door for further commercialization of starch-based products (Fitch-Vargas et al, 2019;Fonseca-Florido et al, 2019;Jebalia et al, 2019;Kaisangsri, Kowalski, Kerdchoechuen, Laohakunjit, & Ganjyal, 2019;Liu et al, 2019;Milotskyi, Bliard, Tusseau, & Benoit, 2018;Nessi et al, 2019;Siyamak, Laycock, & Luckman, 2020;Tian, Zhang, Sun, Jin, & Wu, 2015;Ye et al, 2019). Although chemical modification of starch typically diminishes the mechanical properties of the resultant films by causing less efficient polymer packing and subsequent decreases in film crystallinity, modified films can exhibit some improvements in some mechanical properties (Table 2, entries 40 and 41) as well as oftentimes leading to better barrier properties or increased compatibilization with additives that can offset the decrease in properties (Table 2, entries 10 and 38) or can endow the film with additional function while decreasing the potential for retrogradation (Colussi et al, 2017;Fu et al, 2019).…”

Section: Modification Strategiesmentioning

confidence: 99%

Recent advances in starch‐based films toward food packaging applications: Physicochemical, mechanical, and functional properties

Lauer

Smith

2020

Comp Rev Food Sci Food Safe

113

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Interest in starch-based films has increased precipitously in response to a growing demand for more sustainable and environmentally sourced food packaging materials. Starch is an optimal candidate for these applications given its ability to form thermoplastic materials and films with affordable and often sustainably sourced plasticizers like those produced as waste byproducts by biodiesel and agricultural industries. Starch is also globally ubiquitous, affordable, and environmentally benign. Although the process of producing starch films is relatively straightforward, numerous factors, including starch source, extraction method, film formulation, processing methods, and curing procedures, drastically impact the ultimate material properties. The significant strides made from 2015 to early 2020 toward elucidating how these variables can be leveraged to improve mechanical and barrier properties as well as the implementation of various additives or procedural modifications are cataloged in this review. Advances toward the development of functional films containing antioxidant, antibacterial, or spoilage indicating components to prevent or signal the degradation of food products are also discussed.

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“…Polysaccharides are biodegradable natural polymers made up of monosaccharides linked by glucoside bonds [1]. Examples are starch, cellulose, glycogen, alginic acid, agar, carrageenan, chitosan, xanthan gum, dextran, pectin, and others [2,3].…”

Section: Introductionmentioning

confidence: 99%

Synthesis of a Biodegradable Polymer of Poly (Sodium Alginate/Ethyl Acrylate)

et al. 2021

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The objective of the study was to obtain a new biodegradable graft polymer by performing two chemical processes: first, a transesterification reaction between carboxylic acid’s salt and ethyl acrylate’s ester, followed by polymerization of the vinyl group from the ethyl acrylate monomer via free radicals. The copolymer’s FTIR shows an absence of ethyl bands, while the characteristic band of pyranose is maintained, which confirms the monomer’s graft. TGA analysis shows that sodium alginate had three decomposition temperatures: 103 °C due to dehydration, 212 °C associated with the destruction of glycosidic bonds, and 426 °C due to conversion of alginate into Na2CO3. The copolymer presents four processes at different temperatures, i.e., evaporation of alcohol at 65 °C, decomposition of ungrafted alginate at 220 °C, copolymer decomposition at 298 °C, and degradation of fragments into carbonate at 423 °C. The evaluation of the action of fungal growth on the copolymer was higher than 50%, which means it is an excellent material to be biodegraded.

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Cellulose nanocrystals-starch nanocomposites produced by extrusion: Structure and behavior in physiological conditions

Cited by 42 publications

References 32 publications

Green Nanocomposites Based on Thermoplastic Starch: A Review

Green Nanocomposites Based on Thermoplastic Starch: A Review

Recent advances in starch‐based films toward food packaging applications: Physicochemical, mechanical, and functional properties

Synthesis of a Biodegradable Polymer of Poly (Sodium Alginate/Ethyl Acrylate)

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