Synthesis and Characterization of a Lignin-Styrene-Butyl Acrylate Based Composite.

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ID: 21606
2019
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Abstract
In recent years, the pursuit of new polymer materials based on renewable raw materials has been intensified with the aim of reusing waste materials in sustainable processes. The synthesis of a lignin, styrene, and butyl acrylate based composite was carried out by a mass polymerization process. A series of four composites were prepared by varying the amount of lignin in 5, 10, 15, and 20 wt.% keeping the content of butyl acrylate constant (14 wt.%). FTIR and SEM revealed that the -OH functional groups of lignin reacted with styrene, which was observed by the incorporation of lignin in the copolymer. Additionally, DSC analysis showed that the increment in lignin loading in the composite had a positive influence on thermal stability. Likewise, Shore D hardness assays exhibited an increase from 25 to 69 when 5 and 20 wt.% lignin was used respectively. In this same sense, the contact angle (water) measurement showed that the LEBA15 and LEBA20 composites presented hydrophobic properties (whit contact angle above 90°) despite having the highest amount of lignin, demonstrating that the interaction of the polymer chains with the -OH groups of lignin was the main mechanism in the composites interaction.
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lpez-serna2019synthesispolymers Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors López Serna, Daniel;Elizondo Martínez, Perla;Reyes González, Miguel Ángel;Zaldívar Cadena, Antonio Alberto;Zaragoza Contreras, Erasto Armando;Sánchez Anguiano, María Guadalupe;
Journal Polymers
Year 2019
DOI
E1080
URL
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