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Title: Eco-friendly Methods for Extraction and Modification of Cellulose: An Overview
Authors: Magalhães, Solange 
Fernandes, Catarina
Pedrosa, Jorge F. S. 
Alves, Luís
Medronho, Bruno 
Ferreira, Paulo J. 
Rasteiro, Maria da Graça 
Keywords: cellulose; functionalization; cationization; anionization; hydrophobicity; cellulose extraction
Issue Date: 2023
Publisher: MDPI
Project: 2020.07638.BD 
Inpactus - innovative products and technologies from eucalyptus, Project N.° 21874 
info:eu-repo/grantAgreement/FCT/CEEC IND 2018/CEECIND/01014/2018/CP1540/CT0002/PT/Not available 
info:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB/05183/2020/PT/Mediterranean Institute for Agriculture, Environment and Development 
info:eu-repo/grantAgreement/FCTUIDB/00102/ 2020 
Serial title, monograph or event: Polymers
Volume: 15
Issue: 14
Abstract: Cellulose is the most abundant renewable polymer on Earth and can be obtained from several different sources, such as trees, grass, or biomass residues. However, one of the issues is that not all the fractionation processes are eco-friendly and are essentially based on cooking the lignocellulose feedstock in a harsh chemical mixture, such as NaOH + Na2S, and water, to break loose fibers. In the last few years, new sustainable fractionation processes have been developed that enable the obtaining of cellulose fibers in a more eco-friendly way. As a raw material, cellulose’s use is widely known and established in many areas. Additionally, its products/derivatives are recognized to have a far better environmental impact than fossil-based materials. Examples are textiles and packaging, where forest-based fibers may contribute to renewable and biodegradable substitutes for common synthetic materials and plastics. In this review, some of the main structural characteristics and properties of cellulose, recent green extraction methods/strategies, chemical modification, and applications of cellulose derivatives are discussed.
ISSN: 2073-4360
DOI: 10.3390/polym15143138
Rights: openAccess
Appears in Collections:I&D CIEPQPF - Artigos em Revistas Internacionais
FCTUC Eng.Química - Artigos em Revistas Internacionais

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