Development of protein‐based bioplastics modified with different additives

Félix, Manuel; Perez‐Puyana, Víctor; Romero, Alberto; Guerrero, Antonio

doi:10.1002/app.45430

Cited by 34 publications

(10 citation statements)

References 41 publications

(46 reference statements)

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“…The results corresponding to the characterization are shown in table 3. The moisture content is high when compared to other bioplastics reported between 9 and 18 % [55]- [57]. In a polymeric formulation the humidity should preferably be in a range of 5 to 8 % (w/w), since greater contents do not produce a continuous or uniform film [58].…”

Section: Resultsmentioning

confidence: 99%

Biofilms Production from Avocado Waste

Sánchez

Ponce

Brito

et al. 2021

IyU

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Objective: To obtain biofilms from starch and cellulose present in the avocado (Persea americana) peel and seed. Materials and methods: The starch characterization included humidity, gelatinization temperature, paste clarity, absorption index, solubility index, swelling power, amylose, amylopectin, amount, and starch yield. Five mixtures were made with 3 g of starch, 5 mL of 30 % NaOH (w/v), 3 g of cellulose, and different proportions for glycerin: 2 g; 2.5 g; 3 g; 3.5 g; 4 g, and PVA: 2 g, 3 g, 4 g, 5 g, and 6 g. Films were formed on acrylic plates, using the casting method. The bioplastic was characterized in terms of moisture, solubility in water, density, thickness, biodegradability, stress, deformation, and modulus of elasticity. Results and discusión: The addition of cellulose to the mixture does not contribute to film formation, unlike PVA which did. The film had the best physical appearance with a mixture of 2 g of glycerin and 6 g of PVA. The bioplastic characterization was 23.43 % humidity, 39.39 % for water solubility, 1.52 g/cm3 density, 0.58 mm thickness, 21.03 % weight loss for the biodegradability test, 1.53 MPa for tension, 21.25 % deformation, and 10,04 MPa for the modulus of elasticity. Conclusions: The bioplastic obtained did not show the resistance of traditional plastic. However, the results obtained serve as a starting point for the realization of other formulations, aimed at producing a bioplastic capable of competing with its synthetic relatives.

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Section: Resultsmentioning

confidence: 99%

Biofilms Production from Avocado Waste

Sánchez

Ponce

Brito

et al. 2021

IyU

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“…[ 266 ]. The mechanical properties of different materials obtained from several biopolymers, such as rice [ 267 ], albumen [ 268 ], plasma [ 95 , 97 ], soy [ 160 ], pea [ 121 ], or whey protein [ 32 , 120 ], have been analyzed through this technique. A wide spectrum of values for the mechanical parameters was obtained, depending not only on the source, the biopolymer/plasticizer ratio, and the presence of additives (e.g., a crosslinker) but also on the processing technique and conditions.…”

Section: Characterization Of Protein-based Materialsmentioning

confidence: 99%

“…Several protein-based materials have been tested through DMTA, such as materials obtained from egg albumen [ 155 , 268 ], soy [ 17 , 59 ], microalgae [ 284 ], pea [ 121 ], wheat gluten [ 33 , 149 , 290 ], rice [ 169 ], bloodmeal [ 92 ], plasma [ 97 , 292 , 293 ], and canola [ 76 ], among others.…”

Section: Characterization Of Protein-based Materialsmentioning

confidence: 99%

Proteins from Agri-Food Industrial Biowastes or Co-Products and Their Applications as Green Materials

Álvarez‐Castillo¹,

Félix²,

Bengoechea³

et al. 2021

Foods

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A great amount of biowastes, comprising byproducts and biomass wastes, is originated yearly from the agri-food industry. These biowastes are commonly rich in proteins and polysaccharides and are mainly discarded or used for animal feeding. As regulations aim to shift from a fossil-based to a bio-based circular economy model, biowastes are also being employed for producing bio-based materials. This may involve their use in high-value applications and therefore a remarkable revalorization of those resources. The present review summarizes the main sources of protein from biowastes and co-products of the agri-food industry (i.e., wheat gluten, potato, zein, soy, rapeseed, sunflower, protein, casein, whey, blood, gelatin, collagen, keratin, and algae protein concentrates), assessing the bioplastic application (i.e., food packaging and coating, controlled release of active agents, absorbent and superabsorbent materials, agriculture, and scaffolds) for which they have been more extensively produced. The most common wet and dry processes to produce protein-based materials are also described (i.e., compression molding, injection molding, extrusion, 3D-printing, casting, and electrospinning), as well as the main characterization techniques (i.e., mechanical and rheological properties, tensile strength tests, rheological tests, thermal characterization, and optical properties). In this sense, the strategy of producing materials from biowastes to be used in agricultural applications, which converge with the zero-waste approach, seems to be remarkably attractive from a sustainability prospect (including environmental, economic, and social angles). This approach allows envisioning a reduction of some of the impacts along the product life cycle, contributing to tackling the transition toward a circular economy.

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“…In addition to starch, polymers such as cellulose, lignin, nylon, polyethylene, polypropylene, polylactic acid and PHA have also begun to be biologically synthesized for bioplastic production. Biopolymers are obtained from natural starch, which are economic and biodegradable materials [13,14]. They can be used in package industry due to these advantages.…”

Section: Introductionmentioning

confidence: 99%

Starch-Based Bioplastic Materials for Packaging Industry

Ateş¹,

Kuz²

2020

jscmt

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In this study, we performed the production of bioplastic from corn starch by condensation polymerization. We used a natural intensifier such as glycerin to make the corn starch into a bioplastic material. Bioplastic and its nanocomposites via carbon fiber microelectrode (CFME), TiO2 and nanoclay were synthesized to study its application in package industry. FTIR-ATR, TGA-DTA, SEM-EDX and mechanical analysis were taken to characterize the bioplastic based nanocomposites. We used different amounts of addition of CFME (0.2%, 0.5% and 1%), TiO2 (1%, 3% and 5%) and nanoclay (1%, 3% and 5%) to obtain the optimum condition for the bioplastic material. We obtained proper results for bioplastic/CFME nanocomposite addition of 1%, bioplastic / TiO2 and bioplastic / nanoclay nanocomposites addition of 5% in the composite material. Based on the literature that can be used in packaging industry without harming the environment, this is our main objective.

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Development of protein‐based bioplastics modified with different additives

Cited by 34 publications

References 41 publications

Biofilms Production from Avocado Waste

Biofilms Production from Avocado Waste

Proteins from Agri-Food Industrial Biowastes or Co-Products and Their Applications as Green Materials

Starch-Based Bioplastic Materials for Packaging Industry

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