Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/107308
Title: Brief Overview on Bio-Based Adhesives and Sealants
Authors: Magalhães, Solange 
Alves, Luís 
Medronho, Bruno 
Fonseca, Ana C. 
Romano, Anabela
Coelho, Jorge F. J. 
Norgren, Magnus
Keywords: cellulose; lignin; adhesives; sealants; silicone; adhesion
Issue Date: 15-Oct-2019
Publisher: MDPI
Project: PTDC/AGR-TEC/4814/2014 
PTDC/ASP-SIL/30619/2017 
IF/01005/2014 
Serial title, monograph or event: Polymers
Volume: 11
Issue: 10
Abstract: Adhesives and sealants (AS) are materials with excellent properties, versatility, and simple curing mechanisms, being widely used in different areas ranging from the construction to the medical sectors. Due to the fast-growing demand for petroleum-based products and the consequent negative environmental impact, there is an increasing need to develop novel and more sustainable sources to obtain raw materials (monomers). This reality is particularly relevant for AS industries, which are generally dependent on non-sustainable fossil raw materials. In this respect, biopolymers, such as cellulose, starch, lignin, or proteins, emerge as important alternatives. Nevertheless, substantial improvements and developments are still required in order to simplify the synthetic routes, as well as to improve the biopolymer stability and performance of these new bio-based AS formulations. This environmentally friendly strategy will hopefully lead to the future partial or even total replacement of non-renewable petroleum-based feedstock. In this brief overview, the general features of typical AS are reviewed and critically discussed regarding their drawbacks and advantages. Moreover, the challenges faced by novel and more ecological alternatives, in particular lignocellulose-based solutions, are highlighted.
URI: https://hdl.handle.net/10316/107308
ISSN: 2073-4360
DOI: 10.3390/polym11101685
Rights: openAccess
Appears in Collections:I&D CEMMPRE - Artigos em Revistas Internacionais
I&D CIEPQPF - Artigos em Revistas Internacionais

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