Multicomponent Polymer Systems Based on Agro-Industrial Waste

Tanasă, Fulga; Teacă, Carmen‐Alice; Nechifor, M; Zănoagă, Mădălina

doi:10.1007/978-981-16-1823-9_18

Cited by 3 publications

(2 citation statements)

References 175 publications

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“…Due to the above, different works have been devoted to the study and development of substitutes for conventional plastics [23][24][25][26][27]. Mina et al [28] have developed biocomposites based on a thermoplastic starch/polycaprolactone (TPS/PCL) matrix reinforced with fique fibers, focusing their work mainly on physicochemical, mechanical, and thermal characterizations, indicating the need to carry out degradability studies on these materials.…”

Section: Introductionmentioning

confidence: 99%

Study of the Degradation of a TPS/PCL/Fique Biocomposite Material in Soil, Compost, and Water

Mosquera Rodríguez,

Quintero Vélez,

Córdoba Urrutia

et al. 2023

Polymers

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The degradability of the biocomposite produced from a binary mixture of thermoplastic banana starch (TPS) and polycaprolactone (PCL) reinforced with fique fibers (Fs) was evaluated in three different environments (soil, compost, water). An experimental design with two factors (soil and compost) and three levels (5, 10, and 20 cm) was used, with additional tests for a third aqueous environment (water from the lake of the Universidad del Valle) at a depth of 20 cm. The biocomposite was prepared from the implementation of a twin-screw extrusion process of the binary mixture TPS/PCL and fique fibers (54, 36, and 10% composition, respectively), followed by hot compression molding, and after that, generating ASTM D638 type V specimens using a stainless-steel die. The specimens were dried and buried according to the experimental design, for a total experimental time of 90 days, and removing samples every 30 days. After 90 days, all samples showed signs of degradation, where the best results were obtained in the compost at a depth of 20 cm (34 ± 4% mass loss and a decrease in tensile strength of 77.3%, which indicates that the material lost mechanical properties). TPS was the fastest disappearing component and promoted the degradation of the composite material as it disappeared. Finally, the aqueous media presented the lowest degradation results, losing only 20% of its initial mass after 90 days of the experiment, being the least effective environment in which the biocomposite can end up.

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Section: Introductionmentioning

confidence: 99%

Study of the Degradation of a TPS/PCL/Fique Biocomposite Material in Soil, Compost, and Water

Mosquera Rodríguez,

Quintero Vélez,

Córdoba Urrutia

et al. 2023

Polymers

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“…Because of their effectiveness, availability, and low manufacturing cost, raw cellulose and even agro-industrial waste have been considered for environmental applications, such as decontamination of industrial water [ 36 , 37 , 38 , 39 , 40 ]. Oxidation is a reliable method for cellulose functionalization because it yields in products with various structures and properties depending on the substrate, reagents, reaction parameters, and medium.…”

Section: Introductionmentioning

confidence: 99%

Selective Oxidation of Cellulose—A Multitask Platform with Significant Environmental Impact

Duceac¹,

Tanasă²,

Coseri³

2022

Materials

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Raw cellulose, or even agro-industrial waste, have been extensively used for environmental applications, namely industrial water decontamination, due to their effectiveness, availability, and low production cost. This was a response to the increasing societal demand for fresh water, which made the purification of wastewater one of the major research issue for both academic and industrial R&D communities. Cellulose has undergone various derivatization reactions in order to change the cellulose surface charge density, a prerequisite condition to delaminate fibers down to nanometric fibrils through a low-energy process, and to obtain products with various structures and properties able to undergo further processing. Selective oxidation of cellulose, one of the most important methods of chemical modification, turned out to be a multitask platform to obtain new high-performance, versatile, cellulose-based materials, with many other applications aside from the environmental ones: in biomedical engineering and healthcare, energy storage, barrier and sensing applications, food packaging, etc. Various methods of selective oxidation have been studied, but among these, (2,2,6,6-tetramethylpiperidin-1-yl)oxyl) (TEMPO)-mediated and periodate oxidation reactions have attracted more interest due to their enhanced regioselectivity, high yield and degree of substitution, mild conditions, and the possibility to further process the selectively oxidized cellulose into new materials with more complex formulations. This study systematically presents the main methods commonly used for the selective oxidation of cellulose and provides a survey of the most recent reports on the environmental applications of oxidized cellulose, such as the removal of heavy metals, dyes, and other organic pollutants from the wastewater.

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Possible Applications of Developed Bioplastics

Gbadeyan,

Deenadayalu

2024

Biomass-Based Bioplastic and Films

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Multicomponent Polymer Systems Based on Agro-Industrial Waste

Cited by 3 publications

References 175 publications

Study of the Degradation of a TPS/PCL/Fique Biocomposite Material in Soil, Compost, and Water

Study of the Degradation of a TPS/PCL/Fique Biocomposite Material in Soil, Compost, and Water

Selective Oxidation of Cellulose—A Multitask Platform with Significant Environmental Impact

Possible Applications of Developed Bioplastics

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