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Cellulose processing using ionic liquids: An analysis of patents and technological trends.
Heliyon
October 2024
Graduate Program in Chemical Engineering (PPEQ), Polytechnic School, Federal University of Bahia (UFBA), 40210-630, Salvador, Bahia, Brazil.
Article Synopsis
- The use of ionic liquids (ILs) for producing cellulose derivatives has gained popularity due to their non-toxic nature, providing a safer alternative for processing cellulose.
- The study utilized patent analytics and technology life cycle modeling to assess trends in IL use, revealing that most innovations in this area stem from developed countries and indicating the market is still in its early stages.
- The findings suggest that ILs, particularly those from the imidazolium family, are mainly applied in polymer chemistry and biotechnology, with emerging opportunities in medical fields and advanced structural applications.
Enhancing the Mechanical Properties of Regenerated Cellulose through High-Temperature Pre-Gelation.
Materials (Basel)
October 2024
CAS Key Laboratory of Carbon Materials, Institute of Coal Chemistry, Chinese Academy of Sciences, 27 Taoyuan South Road, Taiyuan 030001, China.
This paper investigates the effects of pre-gelation on cellulose dissolved in LiCl/DMAc solutions to enhance the properties of regenerated cellulose materials. This study focuses on characterizing the crystallinity, molecular orientation, and mechanical performance of cellulose fibers and hydrogels prepared with and without pre-gelation treatment. X-ray diffraction (XRD) analysis reveals that crystallinity improvement from 55% in untreated fibers to 59% in fibers pre-gelled for 3 and 7 days, indicating a more ordered arrangement of cellulose chains post-regeneration.
View Article and Find Full Text PDFBackground: Microbial expansin-related proteins include fungal loosenins, which have been previously shown to disrupt cellulose networks and enhance the enzymatic conversion of cellulosic substrates. Despite showing beneficial impacts to cellulose processing, detailed characterization of cellulosic materials after loosenin treatment is lacking. In this study, small-angle neutron scattering (SANS) was used to investigate the effects of three recombinantly produced loosenins that originate from Phanerochaete carnosa, PcaLOOL7, PcaLOOL9, and PcaLOOL12, on the organization of holocellulose preparations from Eucalyptus and Spruce wood samples.
View Article and Find Full Text PDFStudy of chemical constituents, antioxidants and antimicrobial activities of Tamarindus indica L. seed.
J Food Sci
November 2023
Department of Animal Science, State University of Maringá, Maringá, Paraná, Brazil.
The fruits of Tamarindus indica L. are consumed worldwide, with various parts of the plant being used for medicinal purposes. The residues (pericarp and seeds) generated during cellulose processing are of significant value as they contain bioactive compounds with diverse biological activities.
View Article and Find Full Text PDFEvaluating the potential of a novel hardwood biomass using a superbase ionic liquid.
RSC Adv
May 2021
Department of Chemical Engineering, Imperial College London London SW7 2AZ UK.
Lignocellulosic biomass, being ubiquitous and easily accessible, bears a huge potential for sustainable energy and other products. Fractionation, delignification, and subsequent utilization of hardwood biomass has been ever challenging for a bio-based refinery. (kikar in local language) is a hardwood tree commonly found in Pakistan, where its abundance owes to favorable and benign environmental conditions.
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