Polyurethane/poly (Ionic Liquids) Cellulosic Composites and their Evaluation for Separation of CO2 from Natural Gas

Bernard, Franciele L.; Santos, Leonardo Moreira dos; Cobalchina, Fabiana Willers; Schwab, Marina Barbieri; Einloft, Sandra

doi:10.1590/1980-5373-mr-2018-0827

Cited by 4 publications

(3 citation statements)

References 49 publications

(56 reference statements)

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“…One of the most important applications consists in the synthesis of biopolyols and their utilization for polyurethane products fabrication, such as polyurethane foams with high thermal and compression resistance, also presenting biodegradability [ 81 ]. In addition to foams, membranes for gas separation (CO 2 /CH 4 ) were also obtained [ 82 ]. As expected, wood adhesives represent a direct application of bio-based polyurethanes [ 22 ].…”

Section: Applications Of Products Obtained By Biomass Liquefactionmentioning

confidence: 99%

Lignocellulose Biomass Liquefaction: Process and Applications Development as Polyurethane Foams

et al. 2023

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One of the main strategies for sustainable human society progress is the development of efficient strategies to limit waste production and maximize renewable resource utilization. In this context, this review highlights the opportunity to transform vegetable biomass residues into valuable commercial products. Biomass conversion entails the depolymerization of lignocellulosic biomass towards biopolyols and the synthesis and characterization of the valuable products obtained by using them. The influence of the reaction parameters in both acid and basic catalysis is highlighted, respectively the influence of microwaves on the liquefaction reaction versus conventional heating. Following the depolymerization reaction, polyols are employed to produce polyurethane foams. As a special characteristic, the addition of flame-retardant properties was emphasized. Another interesting topic is the biodegradability of these products, considering the negative consequences that waste accumulation has on the environment.

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Section: Applications Of Products Obtained By Biomass Liquefactionmentioning

confidence: 99%

Lignocellulose Biomass Liquefaction: Process and Applications Development as Polyurethane Foams

et al. 2023

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“…Another approach was the transformation of cellulose into what is called cellulose-based ionic liquids. These systems were transformed into PUs from which excellent membranes were produced, able to adequately separate CO 2 /CH 4 from natural gas sidestreams [ 212 ].…”

Section: Lignocellulose-based Polyurethanesmentioning

confidence: 99%

Lignocellulosic Materials for the Production of Biofuels, Biochemicals and Biomaterials and Applications of Lignocellulose-Based Polyurethanes: A Review

2022

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The present review is devoted to the description of the state-of-the-art techniques and procedures concerning treatments and modifications of lignocellulosic materials in order to use them as precursors for biomaterials, biochemicals and biofuels, with particular focus on lignin and lignin-based products. Four different main pretreatment types are outlined, i.e., thermal, mechanical, chemical and biological, with special emphasis on the biological action of fungi and bacteria. Therefore, by selecting a determined type of fungi or bacteria, some of the fractions may remain unaltered, while others may be decomposed. In this sense, the possibilities to obtain different final products are massive, depending on the type of microorganism and the biomass selected. Biofuels, biochemicals and biomaterials derived from lignocellulose are extensively described, covering those obtained from the lignocellulose as a whole, but also from the main biopolymers that comprise its structure, i.e., cellulose, hemicellulose and lignin. In addition, special attention has been paid to the formulation of bio-polyurethanes from lignocellulosic materials, focusing more specifically on their applications in the lubricant, adhesive and cushioning material fields. High-performance alternatives to petroleum-derived products have been reported, such as adhesives that substantially exceed the adhesion performance of those commercially available in different surfaces, lubricating greases with tribological behaviour superior to those in lithium and calcium soap and elastomers with excellent static and dynamic performance.

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“…They focus on biodegradation by genetic and biochemical pathways. The molecules resulting from these depolymerization processes can then be reused as polyols in the formulation of new materials with similar performance to foams produced from virgin compounds [209,212]. The interest in reusing PUR is such that studies comparing reference PUR foams with recycled PUR foams have been carried out, showing minimal changes in mechanical properties [213].…”

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confidence: 99%

Development of Bio-Based Materials: Synthesis, Characterization and Applications

2023

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Antonio María Borrero-L ópez completed a degree in Chemical Engineering at the University of Huelva (Spain) in 2013 and later obtained a Master's degree in Product Formulation and Design from the International University of Andalusia (Spain). Afterwards, he received his PhD degree from the University of Huelva, with a thesis entitled "Development of new lignocellulosic-based thickening agents for biodegradable oleogel formulations with several industrial applications". This thesis was awarded the Best 2021-2022 Doctoral Thesis in the branch of Engineering and Architecture of the University of Huelva and received an honourable mention at the Annual European Rheology Conference 2022 (AERC 2022). Since his PhD, he has been working as a postdoc at the Institut Jean Lamour, University of Lorraine (France), researching new greener approaches to improve the performance of bio-based materials. He has participated in a total of eight research projects, including the European Project UCGWATERplus, which aims to remediate waters polluted with organic and inorganic contaminants through the formulation of different products via the valorisation of the residues from underground coal gasification and other processes. He has published a total of 22 articles and contributed to more than 30 international and national congresses. Concepci ón Valencia-BarragánConcepci ón Valencia Barragán received her PhD degree from the University of Extremadura.She is a Full Professor at the University of Huelva. She has carried out extensive research for more than 23 years, mainly focused on Chemical Product Engineering, specifically concerning the rheology of complex materials, the processing of non-Newtonian fluids, lubricants, adhesives and coatings, polymers and biopolymers, food colloids and emulsion technologies. In total, she has participated in more than 30 research projects with public funding, with some of them as a lead researcher and more than 40 contracts with private sector companies. Her main scientific and technical achievements include the modification of the rheological properties of lubricating greases by means of reactive and recycled polymeric additives as well as the development of biodegradable oleogels capable of replacing traditional lubricating greases formulated from non-renewable resources. As a result of this research activity, she has authored more than 118 papers in peer-reviewed journals and is the inventor of six patents. She has also presented more than 130 communications at national and international scientific conferences. Esperanza Cortés Trivi ñoEsperanza Cortés-Trivi ño graduated from Industrial Technical engineering with a specialty in Industrial Chemistry in 2012 and became licensed in Chemical Engineering in 2014 at the University of Huelva. She completed her official Master's in Chemical Engineering in 2016, where she started her research career working with bioplastics based on wheat gluten. Meanwhile, she was hired by the University of Huelva as a researcher to conduct several tasks within the MINECO C...

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Polyurethane/poly (Ionic Liquids) Cellulosic Composites and their Evaluation for Separation of CO2 from Natural Gas

Cited by 4 publications

References 49 publications

Lignocellulose Biomass Liquefaction: Process and Applications Development as Polyurethane Foams

Lignocellulose Biomass Liquefaction: Process and Applications Development as Polyurethane Foams

Lignocellulosic Materials for the Production of Biofuels, Biochemicals and Biomaterials and Applications of Lignocellulose-Based Polyurethanes: A Review

Development of Bio-Based Materials: Synthesis, Characterization and Applications

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