Abstract
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/mm2 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.
Highlights
Petroleum-based packaging films, such as polyethylene and polypropylene, are a major source of pollution and have a negative impact on the environment [1,2]
It was discovered that the thicknesses of composite films for neat film, polybutylene succinate (PBS)/CSWF5, PBS/CSWF10, and PBS/CSWF15 were 0.031, 0.043, 0.052, and 0.069 mm, respectively
Because Caesalpinia sappan L. wood fiber (CSWF) has a lower density than neat PBS, the density tendency of PBS/CSWF composite film was reduced in the formulation with a higher content of CSWF
Summary
Ekkachai Martwong 1 , Yvette Tran 2 , Nattawadee Natsrita 3 , Chaithip Kaewpang 3 , Kittisak Kongsuk 3 , Yeampon Nakaramontri 4 and Nathapong Sukhawipat 3, *.
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