Ecocomposites Based on High-Impact Polystyrene (HIPS) and Amazon Açaí (Euterpe oleracea) Fibers: Influence of NaOH Treatment on Its Structural, Thermal, and Mechanical Properties

被引：0
|
作者：
E. C. Silva
A. F. da Silva
Y. S. da Rodrigues
D. S. Correia Júnior
L. M. de Oliveira
M. M. Biondo
P. H. C. Felix
H. B. E. Sales
E. A. Sanches
机构：
[1] Graduate Program in Materials Science and Engineering (PPGCEM),
[2] FederalUniversityofAmazonas(UFAM),undefined
[3] INNOVA – Unidade I,undefined
[4] INNOVA – Unidade IV,undefined
[5] Laboratory of Nanostructured Polymers (NANOPOL - @nanopol_ufam),undefined
[6] Federal University of Amazonas (UFAM),undefined
来源：
Mechanics of Composite Materials | 2023年 / 59卷
关键词：
ecocomposite; polystyrene; alkaline treatment; Euterpe oleracea;
D O I：
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学科分类号：
摘要：
The structural, thermal, morphological, and mechanical properties of ecocomposites based on a High-Impact Polystyrene (HIPS) reinforced with açaí (Euterpe oleracea) fibers were evaluated. They were made using 5 wt% açaí fibers treated using 5% NaOH (FT5) and 7% NaOH (FT7). According to a SEM analysis, the alkaline treatment allowed us to remove of the low-molecular weight compounds. The FT5 ecocomposite had a higher elongation, (2.9 ± 0.5)%, and impact of resistance, (98 ± 2) J/m, probably due to the presence of mechanical anchoring, which improved its mechanical properties. The FT7 ecocomposite had a slightly higher thermal stability, with a total mass loss of 87.78%.
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页码：147 / 158
页数：11
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