onr:"swepub:oai:DiVA.org:su-227804"
Sökning: onr:"swepub:oai:DiVA.org:su-227804" > Elucidating intermo...
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04003naa a2200445 4500 | |
| 001 | oai:DiVA.org:su-227804 | |
| 003 | SwePub | |
| 008 | 240405s2024 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-2278042 URI |
| 024 | 7 | a https://doi.org/10.3389/fchem.2024.13471472 DOI |
| 040 | a (SwePub)su | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Esakkimuthu, Esakkiammal Sudhau Stockholms universitet,Institutionen för material- och miljökemi (MMK),InnoRenew CoE, Slovenia4 aut0 (Swepub:su)eses0699 |
| 245 | 1 0 | a Elucidating intermolecular forces to improve compatibility of kraft lignin in poly(lactic acid) |
| 264 | 1 | c 2024 |
| 338 | a print2 rdacarrier | |
| 520 | a Owing to its abundant supply from renewable resources, lignin has emerged as a promising functional filler for the development of sustainable composite materials. However, achieving good interfacial compatibility between lignin and synthetic polymers, particularly poly (lactic acid) (PLA), remains a fundamental challenge. To advance the development of high-performance bio-based composites incorporating lignin and PLA, our study has scrutinized to unravel the nuances of interfacial binding interactions with the lignin and PLA composite system. Molecular level and experimental examinations were employed to decipher fundamental mechanisms governing and demonstrating the interfacial adhesion. We synthesized casted films of lignin/PLA and acetylated lignin/PLA at varying weight percentages of lignin (5%, 10%, and 20%) and comprehensively investigated their physicochemical and mechanical properties. The inclusion of acetylated lignin in the composites resulted in improved mechanical strength and Young’s modulus, while the glass transition temperature and melting point were reduced compared to neat PLA. Systematic variations in these properties revealed distinct compatibility behaviors between unmodified lignin and acetylated lignin when incorporated into PLA. Molecular dynamics (MD) simulation results elucidated that the observed changes in material properties were primarily attributed to the acetylation of lignin. Acetylated lignin exhibited lower Coulombic interaction energy and higher van der Waals forces, indicating a stronger affinity to PLA and a reduced propensity for intermolecular aggregation compared to unmodified lignin. Our findings highlight the critical role of controlling intermolecular interactions and lignin aggregation to develop PLA composites with predictable performance for new applications, such as functional packaging materials. | |
| 650 | 7 | a TEKNIK OCH TEKNOLOGIERx Kemiteknikx Polymerteknologi0 (SwePub)204032 hsv//swe |
| 650 | 7 | a ENGINEERING AND TECHNOLOGYx Chemical Engineeringx Polymer Technologies0 (SwePub)204032 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Kemix Materialkemi0 (SwePub)104032 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Chemical Sciencesx Materials Chemistry0 (SwePub)104032 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Kemix Polymerkemi0 (SwePub)104062 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Chemical Sciencesx Polymer Chemistry0 (SwePub)104062 hsv//eng |
| 653 | a lignin | |
| 653 | a poly - (lactic acid) | |
| 653 | a composites | |
| 653 | a molecular dynamics simulations | |
| 653 | a hydrogen bonding | |
| 653 | a mechanical properties | |
| 700 | 1 | a Ponnuchamy, Veerapandian4 aut |
| 700 | 1 | a Sipponen, Mika H.,d 1983-u Stockholms universitet,Institutionen för material- och miljökemi (MMK)4 aut0 (Swepub:su)misi6261 |
| 700 | 1 | a DeVallance, David4 aut |
| 710 | 2 | a Stockholms universitetb Institutionen för material- och miljökemi (MMK)4 org |
| 773 | 0 | t Frontiers in Chemistryg 12q 12x 2296-2646 |
| 856 | 4 | u https://doi.org/10.3389/fchem.2024.1347147y Fulltext |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-227804 |
| 856 | 4 8 | u https://doi.org/10.3389/fchem.2024.1347147 |
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