Nanocomposites Based on Starch and Fibers of Natural Origin

Satyanarayana, K. G.; Woehl, Marco Aurélio; Ramos, Luiz Pereira; Marangoni, Rafael

doi:10.1002/9781118203699.ch17

Cited by 6 publications

(7 citation statements)

References 118 publications

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“…Django (2016) stated that using cellulose fibre as a bioplastic reinforcement could reduce the carbon footprint while improving the biodegradability of plastic materials [ 35 ]. Studies show that cellulose reinforced bioplastics, which showed higher tensile strength, biodegradability, lower density, and lower permeability [ 36 , 37 ]. According to Satyanarayana et al (2011), there were few types of cellulose to be used in reinforcing bioplastics, such as cellulose nanofibers and microcrystalline cellulose (MCC), and they required different treatments to process, which will determine the final properties of the cellulose-reinforced bioplastics [ 13 ].…”

Section: Bioplasticsmentioning

confidence: 99%

The Potential Applications of Reinforced Bioplastics in Various Industries: A Review

2023

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The introduction of bioplastics has been an evolution for plastic industry since conventional plastics have been claimed to cause several environmental issues. Apart from its biodegradability, one of the advantages can be identified of using bioplastic is that they are produced by renewal resources as the raw materials for synthesis. Nevertheless, bioplastics can be classified into two types, which are biodegradable and non-biodegradable, depending on the type of plastic that is produced. Although some of the bioplastics are non-biodegradable, the usage of biomass in synthesising the bioplastics helps in preserving non-renewable resources, which are petrochemical, in producing conventional plastics. However, the mechanical strength of bioplastic still has room for improvement as compared to conventional plastics, which is believed to limit its application. Ideally, bioplastics need to be reinforced for improving their performance and properties to serve their application. Before 21st century, synthetic reinforcement has been used to reinforce conventional plastic to achieve its desire properties to serve its application, such as glass fiber. Owing to several issues, the trend has been diversified to utilise natural resources as reinforcements. There are several industries that have started to use reinforced bioplastic, and this article focuses on the advantages of using reinforced bioplastic in various industries and its limitations. Therefore, this article aims to study the trend of reinforced bioplastic applications and the potential applications of reinforced bioplastics in various industries.

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Section: Bioplasticsmentioning

confidence: 99%

The Potential Applications of Reinforced Bioplastics in Various Industries: A Review

2023

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“…Bio-based polymers of natural origin, extracted from plants, cereals and invertebrate animals or synthesized by microorganisms, are the main choice for sustainable materials due to their biocompatibility, biodegradability and lack of toxicity, which provides excellent potential for investigating industrial applications. To date, cellulose, starch, chitosan and polylactic acid (PLA) are the natural polymers most used to obtain bioplastics [ 5 , 6 , 7 , 8 ]. Unfortunately, most bioplastics have higher processing costs and worse mechanical and thermal properties than conventional plastics, with their main advantage being the ability to biodegrade in an adequate period of time.…”

Section: Introductionmentioning

confidence: 99%

Development of Antibacterial Thermoplastic Starch with Natural Oils and Extracts: Structural, Mechanical and Thermal Properties

López Terán,

Cabrera Maldonado,

Araque Rangel

et al. 2024

Polymers

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In this study, the influence of the incorporation of eucalyptus (EO), tea tree (TT) and rosemary (RO) essential oils and Chiriyuyo extract (CE) on the structure and properties of thermoplastic starch (TPS) obtained from potato starch, glycerin and water was evaluated. All oils and the extract were used at a concentration of 0.5 g/100 g of TPS, while for TT, the effect of the concentration was also studied. The mixtures obtained were processed by extrusion and thermocompression molding. The sheets were characterized by XRD, FTIR, TGA, SEM and analyses of their mechanical properties, antimicrobial characteristics and biodegradability. The results show that the use of small concentrations of the oils in 70TPS does not induce changes in the TPS structure according to the results of XRD, FTIR and TGA, with each essential oil and CE affecting the mechanical properties unevenly, although in all cases, antimicrobial activity was obtained, and the biodegradability of TPS in soil was not modified. An increase in the concentration of TT in 60TPS causes marked changes in the crystallinity of TPS, providing a greater modulus with a higher concentration of TT. Regardless of the amount of TT, all sheets maintain antimicrobial characteristics, and their biodegradation in soil is delayed with a higher oil content.

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“…With the development of science and technology, the people of modern civilized world seeking for the advanced materials, in this regard chemists from the all over the world have contributed a lot for the modernization of our society. One of such major gift that chemist has ever donate to the human society is the "polymer" or "polymeric materials" without which the world would have been in a totally different position [1][2][3][4][5][6][7]. Polymer science is a comparatively new field.…”

Section: Introductionmentioning

confidence: 99%

Synthetic Protocols and Significance of Heterocyclic Fluorescent - Reinforcing Polymers: A Comprehensive Review

Modh

2023

JASR

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Fluorescent High-Performance polymers are well known as high performance engineering thermoplastics because of their good thermal stability, chemical resistance and excellent mechanical properties. Polymers having S-triazine ring become a subject of interest because of enhanced toughness and low moisture absorption and commercially available high performance engineering plastic materials. However, the thermal stability of triazine ring makes it an attractive monomer for use in high temperature polymers. Synthesis of polymers containing chromophoric groups which are responsible for fluorescent property have significant applications in fields such as biosensors, clean energy technologies, explosive sensing, pH/temperature sensor, biological imaging, life science, material science, ultrasensitive molecular diagnosis and novel light - emitting nano devices. The aromatic azo group is being more interest because of the existence of cis-trans isomerism and its effect on the photochromic properties of the polymers. Therefore, polymers having azo group have potential use in a variety of applications. Fluorescent polymers can be developed with different methods; generally, there are two methods for preparation of fluorescent polymers. One of them is polymerization of a monomer having a fluorescent chromophore such as fluorescent compounds as initiator, fluorescent compounds as chain transfer agents, chemical bonding between fluorescent groups and polymers. The second way, chemical alteration of commercially available polymers having reactive groups by using fluorescent dyes or organic molecules.

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Nanocomposites Based on Starch and Fibers of Natural Origin

Cited by 6 publications

References 118 publications

The Potential Applications of Reinforced Bioplastics in Various Industries: A Review

The Potential Applications of Reinforced Bioplastics in Various Industries: A Review

Development of Antibacterial Thermoplastic Starch with Natural Oils and Extracts: Structural, Mechanical and Thermal Properties

Synthetic Protocols and Significance of Heterocyclic Fluorescent - Reinforcing Polymers: A Comprehensive Review

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