ArticleFrontiers in bioengineering and biotechnology2022
Multifunctional lignin-poly (lactic acid) biocomposites for packaging applications.
Article in Frontiers in bioengineering and biotechnology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Article
- Determination of Time and Concentration Conditions Affecting Polylactic Acid (Pla) Production.Polymers · 2025Article
- Lignin from Plant-Based Agro-Industrial Biowastes: From Extraction to Sustainable Applications.Polymers · 2025Review
- Article
- Article
- Structure and Properties of Polylactide Composites with TiOInternational journal of molecular sciences · 2024Article
- Fungal enzyme degradation of lignin-PLA composites: Insights from experiments and molecular docking simulations.Heliyon · 2024Article
- Modified Biomass-Reinforced Polylactic Acid Composites.Materials (Basel, Switzerland) · 2024Review
- Elucidating intermolecular forces to improve compatibility of kraft lignin in poly(lactic acid).Frontiers in chemistry · 2024Article
- Polylactic Acid/Lignin Composites: A Review.Polymers · 2023Review
- Biopolymer-Based Sustainable Food Packaging Materials: Challenges, Solutions, and Applications.Foods (Basel, Switzerland) · 2023Review
- In Situ Ring-Opening Polymerization ofPolymers · 2022Article
Corrections and comments
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Authors and funding
5 authors.
Funding
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Abstract
Lignin is the most abundant aromatic biopolymer with many promising features but also shortcomings as a filler in polymer blends. The main objective of this work was to improve the processability and compatibility of lignin with poly (lactic acid) (PLA) through etherification of lignin. Commercial kraft lignin (KL) and oxypropylated kraft lignin (OPKL) were blended with PLA at different weight percentages (1, 5, 10, 20, and 40%) followed by injection molding. Low lignin contents between 1 and 10% generally had a favorable impact on mechanical strength and moduli as well as functional properties of the PLA-based composites. Unmodified lignin with free phenolic hydroxyl groups rendered the composites with antioxidant activity, as measured by radical scavenging and lipid peroxidation tests. Incorporating 5-10% of KL or OPKL improved the thermal stability of the composites within the 300-350°C region. DSC analysis showed that the glass transition temperature values were systematically decreased upon addition of KL and OPKL into PLA polymer. However, low lignin contents of 1 and 5% decreased the cold crystallization temperature of PLA. The composites of KL and OPKL with PLA exhibited good stabilities in the migration test, with values of 17 mg kg
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