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https://hdl.handle.net/10316/107625
Título: | Eco-friendly Methods for Extraction and Modification of Cellulose: An Overview | Autor: | Magalhães, Solange Fernandes, Catarina Pedrosa, Jorge F. S. Alves, Luís Medronho, Bruno Ferreira, Paulo J. Rasteiro, Maria da Graça |
Palavras-chave: | cellulose; functionalization; cationization; anionization; hydrophobicity; cellulose extraction | Data: | 2023 | Editora: | MDPI | Projeto: | 2020.07638.BD 2021.05991.BD Inpactus - innovative products and technologies from eucalyptus, Project N.° 21874 info:eu-repo/grantAgreement/FCT/PTDC/ASP-SIL/30619/2017 2022.07519.PTDC info:eu-repo/grantAgreement/FCT/CEEC IND 2018/CEECIND/01014/2018/CP1540/CT0002/PT/Not available info:eu-repo/grantAgreement/FCTUIDB/00102/ 2020 2021.00399.CEECIND UIDB/05183/2020 |
Título da revista, periódico, livro ou evento: | Polymers | Volume: | 15 | Número: | 14 | Resumo: | 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. | URI: | https://hdl.handle.net/10316/107625 | ISSN: | 2073-4360 | DOI: | 10.3390/polym15143138 | Direitos: | openAccess |
Aparece nas coleções: | I&D CERES - Artigos em Revistas Internacionais FCTUC Eng.Química - Artigos em Revistas Internacionais |
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Ficheiro | Descrição | Tamanho | Formato | |
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polymers-15-03138.pdf | 5.48 MB | Adobe PDF | Ver/Abrir |
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