期刊
COMPOSITES PART B-ENGINEERING
卷 227, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2021.109414
关键词
Polymer matrix composites (PMCs); Cellulose fiber; Mechanical properties; Injection molding
The study investigated the use of chemically extracted fibers from Yucca aloifolia L. leaves as reinforcement in polymeric matrix composites of polypropylene. Characterization tests showed the potential of these fibers as reinforcement for polymer matrix composites. Statistical analysis indicated that temperature, time, and NaOH concentration were influential in the properties of the fibers. Mechanical characterization revealed excellent results, supporting the potential use of Yucca aloifolia L. fibers in polymeric matrices.
The use of fibers chemically extracted from the leaves of Yucca aloifolia L. as reinforcement in polymeric matrix composites of polypropylene was investigated. The fibers were extracted by mercerization by varying the tem-perature, time, and NaOH concentration to obtain fibers with a balanced relationship between mechanical, chemical, thermal, and morphological properties that promote their use in polymer matrix composites. The fibers were characterized by tensile testing, scanning electron microscopy (SEM), attenuated total reflection-Fourier transform infrared spectroscopy, X-ray diffraction, chemical composition, and thermogravimetric analysis. The analyses indicate an excellent potential for their application as reinforcement in polymer matrix composites. Statistical analysis indicates that all treatment factors used in this work (temperature, time, and NaOH con-centration) are influential in the mechanical, morphological, chemical, and thermal characteristics of the fibers. Composites were prepared using a polypropylene matrix with 10%, 20%, and 30% of chemically extracted Y. aloifolia L. fibers and characterized by tensile tests, Izod impact tests, and SEM. The mechanical characterization of the composites revealed excellent results for yield strength and Young's modulus, corroborating the potential use of Y. aloifolia L. fibers as reinforcement of the polymeric matrix.
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