Journal
POLYMERS
Volume 14, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/polym14030499
Keywords
biocomposites; polybutylene succinate; polymer films; fiber; cellulose; bio-reinforcement
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This study investigated the potential of using natural cellulose-based wood fiber as an untreated bio-reinforcement in polybutylene succinate composite films. The addition of the wood fiber improved the properties of the composite, but excessive amounts resulted in a decrease in performance. A formulation with 10 parts per hundred of wood fiber showed the highest mechanical strength and degradation potential.
Natural cellulose-based Caesalpinia sappan L. wood fiber (CSWF) has been demonstrated to have significant promise as a new untreated bio-reinforcement of the polybutylene succinate (PBS) composite film. The morphology, mechanical characteristics, and biodegradation were investigated. The morphology, the fiber distribution, and the fiber aggregation has been discussed. The properties of the composite have been improved by the addition of CSWF from 5 phr to 10 phr, while with the addition of 15 phr, the properties were dropped. The result showed that CSWF could be used as a new reinforcement without any treatment, and 10 phr of CSWF was the best formulation of a new biocomposite film. The PBS/CSWF10 composite film had the highest mechanical strength, with a tensile strength of 12.21 N/mm(2) and an elongation at break of 21.01%, respectively. It was completely degraded by soil bury in three months. Therefore, the PBS/CSWF10 composite film has the potential to be a green with a promising short-term degradation.
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