Effect of fibrous TiO2 filler on the structural, mechanical, barrier and optical characteristics of biodegradable maize starch/PVA composite films

Кочкина, Н. Е.; Butikova, Olga A.

doi:10.1016/j.ijbiomac.2019.07.213

Cited by 80 publications

(39 citation statements)

References 31 publications

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“…Corn starch Bioplastic with potential use as packaging material [23] Carboxymethyl cellulose containing miswak extract Nanocomposite with potential use as food packaging [24] Sesame protein extract Films for food active packaging applications and photo-decolorization purposes [25] Corn starch/PVA Potential application in food and non-food industries as UV shielding packaging materials [26] Chitosan/potato-starch Films with potential use as food packaging [27] Chitosan/starch Films with potential use as food packaging [28] Cellulose…”

Section: Methodsmentioning

confidence: 99%

“…According to Sreekumar et al [35], the presence of TiO 2 in corn starch films can act as a reinforcement agent, improving its mechanical (tensile strength) and physicochemical properties (degree of swelling in water). Similarly, a maize starch/PVA composite film with TiO 2 incorporated had an increase of 100% in the tensile strength and water vapor permeability (50% decrease), but these effects were dose-dependent with an optimum TiO 2 concentration of 0.05% wt.-the film also exhibited UV protection [26]. In potato starch films, the functional properties (tensile strength and elongation at break and moisture content) were improved by the incorporation of TiO 2 nanoparticles [33].…”

Section: Hydrophilic Polyurethanementioning

confidence: 99%

“…Most of the positive effects promoted by the incorporation of TiO 2 on the starch coatings/films have been attributed to the strong interfacial interaction between TiO 2 and the amorphous region of the starch chain [23]. However, it must be considered that an excessive concentration of nano-TiO 2 on the biopolymer matrix could cause the aggregation of inorganic particles onto the surface of the composite, thus affecting the mechanical and vapor-related properties [26].…”

Section: Hydrophilic Polyurethanementioning

confidence: 99%

“…The functionalization of the CS matrix through the incorporation of TiO 2 has gained attention since it can impart the CS-TiO 2 composite with an enhancement of its mechanical properties [27] because it can act as a reinforcing agent [26], with a slightly increased film thickness (70 µm) compared with CS (66 µm) [57]. Amin and Panhius [23] reported that TiO 2 (30% vs. 70% CS) significantly improves the mechanical properties (an increase of Young's modulus in 11.8-fold, a six-fold increase for both tensile strength and toughness) of the CS film.…”

Section: Chitosan-tio 2 (Cs-tio 2 ) Compositementioning

confidence: 99%

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Chitosan-TiO2: A Versatile Hybrid Composite

et al. 2020

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In recent years, a strong interest has emerged in hybrid composites and their potential uses, especially in chitosan-titanium dioxide (CS-TiO 2 ) composites, which have interesting technological properties and applications. This review describes the reported advantages and limitations of the functionalization of chitosan by adding TiO 2 nanoparticles. Their effects on structural, textural, thermal, optical, mechanical, and vapor barrier properties and their biodegradability are also discussed. Evidence shows that the incorporation of TiO 2 onto the CS matrix improves all the above properties in a dose-dependent manner. Nonetheless, the CS-TiO 2 composite exhibits great potential applications including antimicrobial activity against bacteria and fungi; UV-barrier properties when it is used for packaging and textile purposes; environmental applications for removal of heavy metal ions and degradation of diverse water pollutants; biomedical applications as a wound-healing material, drug delivery system, or by the development of biosensors. Furthermore, no cytotoxic effects of CS-TiO 2 have been reported on different cell lines, which supports their use for food and biomedical applications. Moreover, CS-TiO 2 has also been used as an anti-corrosive material. However, the development of suitable protocols for CS-TiO 2 composite preparation is mandatory for industrial-scale implementation.Materials 2020, 13, 811 2 of 27 they are synthesized by different methods (intercalation of the polymer, sol-gel, hydrothermal, electro-deposition, chemical and physical vapor deposition, suspension and liquid phase deposition). These methods are effective to enhance the technological and mechanical properties of each individual component and also reveal new functionalities [1,3]. Currently, there is a special interest in combining natural polymers such as chitosan (CS) with inorganic materials like titanium dioxide (TiO 2 ) to obtain hybrid composites (CS-TiO 2 ) with beneficial properties [3][4][5][6].Chitosan (CS) is a natural biopolymer (linear polysaccharide comprising 1-4 linked 2-amino-deoxy-β-D-glucan) generally obtained by deacetylation of chitin, the main structural component of crustacean exoskeletons. CS exhibits a poly-cationic character and is non-toxic and biodegradable [7]. CS is considered a biological functional compound with multiple interesting properties. It can form films for food and pharmaceutical applications, including edible coatings, packaging material, or as drug-eluting carrier [5,7]. Its adsorbent capacity can have environmental applications during photocatalytic processes of waste-water treatment [8], and it also has inherent antibacterial and antifungal properties [9]. It is biocompatible with several organic and inorganic compounds by the presence of free amino and hydroxyl functional groups in its structure, which can react with other functional groups by electrostatic forces, hydrogen bonds, or by compound-soak up into the polymeric matrix, thus improving its mechanical and biological properties [10]...

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Section: Methodsmentioning

confidence: 99%

Section: Hydrophilic Polyurethanementioning

confidence: 99%

Section: Hydrophilic Polyurethanementioning

confidence: 99%

Section: Chitosan-tio 2 (Cs-tio 2 ) Compositementioning

confidence: 99%

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Chitosan-TiO2: A Versatile Hybrid Composite

et al. 2020

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“…Kochkina and Butikova [42] mentioned that the incorporation of TiO 2 into a starch/PVA film improves their physicochemical properties and extends their functionalities. The addition of TiO 2 in small quantities (0.1% w/w) into a biodegradable corn starch/PVA film did not alter its structure.…”

Section: Evaporative Casting/membranementioning

confidence: 99%

Use of Titanium Dioxide (TiO2) Nanoparticles as Reinforcement Agent of Polysaccharide-Based Materials

et al. 2020

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In recent years, a strong interest has emerged in polysaccharide-hybrid composites and their potential applications, which have interesting functional and technological properties. This review summarizes and discusses the reported advantages and limitations of the functionalization of conventional and nonconventional polysaccharides by adding TiO2 nanoparticles as a reinforcement agent. Their effects on the mechanical, thermal, and UV-barrier properties as well as their water-resistance are discussed. In general, the polysaccharide–TiO2 hybrid materials showed improved physicochemical properties in a TiO2 content-dependent response. It showed antimicrobial activity against bacteria (gram-negative and gram-positive), yeasts, and molds with enhanced UV-protective effects for food and non-food packaging purposes. The reported applications of functionalized polysaccharide–TiO2 composites include photocatalysts (dye removal from aqueous media and water purification), biomedical (wound-healing material, drug delivery systems, biosensor, and tissue engineering), food preservation (fruits and meat), cosmetics (sunscreen and bleaching tooth treatment), textile (cotton fabric self-cleaning), and dye-sensitized solar cells. Furthermore, the polysaccharide–TiO2 showed high biocompatibility without adverse effects on different cell lines, indicating that their use in food, pharmaceutical, and biomedical applications is safe. However, it is necessary to evaluate the structural changes promoted by the storage conditions (time and temperature) on the physicochemical properties of polysaccharide–TiO2 hybrid composites to guarantee their stability during a determined time.

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