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Lignin-based polyurethanes: Opportunities for bio-based foams, elastomers, coatings and adhesives
Department of Forestry, Michigan State University, East Lansing, United States.
Department of Forestry, Michigan State University, East Lansing, United States.
Department of Forestry, Michigan State University, East Lansing, United States.
Chemical Engineering and Materials Science, Michigan State University, East Lansing, United States.
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2019 (English)In: Polymers, ISSN 2073-4360, E-ISSN 2073-4360, Vol. 11, no 7, article id 1202Article in journal (Refereed) Published
Abstract [en]

Polyurethane chemistry can yield diverse sets of polymeric materials exhibiting a widerange of properties for various applications and market segments. Utilizing lignin as a polyol presentsan opportunity to incorporate a currently underutilized renewable aromatic polymer into theseproducts. In this work, we will review the current state of technology for utilizing lignin as a polyolreplacement in different polyurethane products. This will include a discussion of lignin structure,diversity, and modification during chemical pulping and cellulosic biofuels processes, approachesfor lignin extraction, recovery, fractionation, and modification/functionalization. We will discussthe potential of incorporation of lignins into polyurethane products that include rigid and flexiblefoams, adhesives, coatings, and elastomers. Finally, we will discuss challenges in incorporating ligninin polyurethane formulations, potential solutions and approaches that have been taken to resolvethose issues.

Place, publisher, year, edition, pages
MDPI, 2019. Vol. 11, no 7, article id 1202
Keywords [en]
lignin, polyurethane, adhesives, foams, coatings, elastomers
National Category
Bioprocess Technology
Research subject
Biochemical Process Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-75608DOI: 10.3390/polym11071202ISI: 000480539500119PubMedID: 31323816Scopus ID: 2-s2.0-85070386828OAI: oai:DiVA.org:ltu-75608DiVA, id: diva2:1344395
Note

Validerad;2019;Nivå 2;2019-08-20 (svasva)

Available from: 2019-08-20 Created: 2019-08-20 Last updated: 2019-08-30Bibliographically approved

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