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Preparation, Thermal, and Mechanical Characterization of UV-Cured Polymer Biocomposites with Lignin
Marie Curie Sklodowska Univ, Fac Chem, Inst Chem Sci, Dept Polymer Chem, M Curie Sklodowska Sq 5, PL-20031 Lublin, Poland.;Marie Curie Sklodowska Univ, Fac Chem, Inst Chem Sci, Analyt Lab, M Curie Sklodowska Sq 5, PL-20031 Lublin, Poland..
Marie Curie Sklodowska Univ, Fac Chem, Inst Chem Sci, Dept Polymer Chem, M Curie Sklodowska Sq 5, PL-20031 Lublin, Poland..ORCID iD: 0000-0002-0267-5402
Lublin Univ Technol, Fac Mech Engn, Dept Technol & Polymer Proc, Nadbystrzycka 36, PL-20618 Lublin, Poland..ORCID iD: 0000-0001-9182-0845
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Fibre- and Polymer Technology. KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Centres, Wallenberg Wood Science Center.ORCID iD: 0000-0001-7433-0350
2020 (English)In: Polymers, E-ISSN 2073-4360, Vol. 12, no 5Article in journal (Refereed) Published
Abstract [en]

The preparation and the thermal and mechanical characteristics of lignin-containing polymer biocomposites were studied. Bisphenol A glycerolate (1 glycerol/phenol) diacrylate (BPA.GDA) was used as the main monomer, and butyl acrylate (BA), 2-ethylhexyl acrylate (EHA) or styrene (St) was used as the reactive diluent. Unmodified lignin (L) or lignin modified with methacryloyl chloride (L-M) was applied as an ecofriendly component. The influences of the lignin, its modification, and of the type of reactive diluent on the properties of the composites were investigated. In the biocomposites with unmodified lignin, the lignin mainly acted as a filler, and it seemed that interactions occurred between the hydroxyl groups of the lignin and the carbonyl groups of the acrylates. When methacrylated lignin was applied, it seemed to take part in the creation of a polymer network. When styrene was added as a reactive diluent, the biocomposites had a more homogeneous structure, and their thermal resistance was higher than those with acrylate monomers. The use of lignin and its methacrylic derivative as a component in polymer composites promotes sustainability in the plastics industry and can have a positive influence on environmental problems related to waste generation.

Place, publisher, year, edition, pages
MDPI , 2020. Vol. 12, no 5
Keywords [en]
lignin, UV-cured, biocomposites, thermal properties, TG, FTIR, DSC
National Category
Polymer Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-278464DOI: 10.3390/polym12051159ISI: 000541431100164PubMedID: 32438552Scopus ID: 2-s2.0-85086499893OAI: oai:DiVA.org:kth-278464DiVA, id: diva2:1453537
Note

QC 20200710

Available from: 2020-07-10 Created: 2020-07-10 Last updated: 2024-01-17Bibliographically approved

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Sevastyanova, Olena

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