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Lignocellulose Biomass Liquefaction: Process and Applications Development as Polyurethane Foams.
Marius Gabriel Bontaş1,2, Aurel Diacon1,3, Ioan Călinescu1
1Faculty of Chemical Engineering and Biotechnologies, University Politehnica Bucharest, Gh. Polizu Street, 011061 Bucharest, Romania.
Polymers
|February 11, 2023
Summary
This review explores converting vegetable biomass into valuable bioproducts like polyurethane foams. It details methods for biomass depolymerization and highlights the potential for sustainable resource utilization and waste reduction.
Area of Science:
- Green Chemistry
- Materials Science
- Sustainable Energy
Background:
- Sustainable societal progress necessitates minimizing waste and maximizing renewable resource use.
- Vegetable biomass residues present an opportunity for conversion into valuable commercial products.
- Lignocellulosic biomass is a key feedstock for producing biopolyols.
Purpose of the Study:
- To review the transformation of vegetable biomass residues into valuable commercial products.
- To analyze the depolymerization of lignocellulosic biomass into biopolyols.
- To explore the synthesis, characterization, and applications of products derived from these biopolyols, including polyurethane foams.
Main Methods:
- Depolymerization of lignocellulosic biomass to yield biopolyols.
- Acid and basic catalysis for biomass conversion.
- Microwave-assisted liquefaction reactions compared to conventional heating.
- Synthesis and characterization of polyurethane foams from biopolyols.
- Evaluation of flame-retardant properties and biodegradability of derived products.
Main Results:
- Biomass conversion via depolymerization yields valuable biopolyols.
- Polyurethane foams can be synthesized from these biopolyols.
- Flame-retardant properties can be incorporated into the polyurethane foams.
- The biodegradability of these biomass-derived products is a significant consideration.
Conclusions:
- Vegetable biomass residues can be effectively valorized into commercial products.
- Biomass conversion offers a sustainable alternative to conventional materials.
- Further research into flame retardancy and biodegradability is crucial for environmental applications.
