期刊
CELLULAR POLYMERS
卷 39, 期 1, 页码 31-41出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0262489319873859
关键词
Biodegradable polymer; poly(butylene adipate-co-terephthalate); poly(butylene succinate); polymer blend; foam; morphology
资金
- Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Bangkok, Thailand
This study examines the effect of poly(butylene adipate-co-terephthalate) (PBAT) content on the physical, morphological, and mechanical properties of poly(butylene succinate) (PBS)/PBAT foam. A compression molding technique was used to prepare the PBS/PBAT foam using the chemical blowing agent azodicarbonamide and the cross-linking agent dicumyl peroxide. The chemical structure and morphological properties of PBS/PBAT foam were examined via Fourier transform infrared and scanning electron microscopy techniques, respectively, whereas tensile and flexural properties were investigated using a universal testing machine. The results reveal that the incorporation of PBAT barely enhances the viscosity of the PBS/PBAT blend, producing only minor changes in the average cell size of PBS/PBAT foam. However, increasing the PBAT content contributes to a relatively significant improvement in the flexibility and toughness of PBS/PBAT foam, where a decrease in Young's modulus and tensile strength of the PBS/PBAT foam is observed compared with those of the PBS foam. Similar behavior to the tensile results is noticed for the flexural properties of the neat and PBS/PBAT foams.
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