Structure and Properties of Poly(Butylene Adipate-Co-Terephthalate)/Soybean Isolate Protein Composites With a Special Interface Structure
Yazhou Yi
Key Laboratory of Pesticide & Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, China
Contribution: Conceptualization (lead), Data curation (lead), Formal analysis (equal), Funding acquisition (supporting), Investigation (lead), Methodology (lead), Project administration (equal), Resources (equal), Software (lead), Supervision (equal), Validation (equal), Visualization (lead), Writing - original draft (lead), Writing - review & editing (equal)
Search for more papers by this authorKui Jian
Key Laboratory of Pesticide & Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, China
Contribution: Conceptualization (supporting), Formal analysis (supporting), Funding acquisition (supporting), Investigation (equal), Methodology (supporting), Project administration (equal), Resources (supporting), Software (equal), Validation (supporting), Writing - original draft (supporting), Writing - review & editing (supporting)
Search for more papers by this authorYaqing Zhang
Key Laboratory of Pesticide & Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, China
Contribution: Formal analysis (supporting), Funding acquisition (supporting), Investigation (supporting), Software (supporting), Validation (supporting), Writing - original draft (supporting)
Search for more papers by this authorNingning Wei
Key Laboratory of Pesticide & Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, China
Contribution: Data curation (supporting), Methodology (supporting), Visualization (supporting), Writing - original draft (supporting)
Search for more papers by this authorMingtian Ren
Key Laboratory of Pesticide & Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, China
Contribution: Formal analysis (supporting), Software (supporting), Visualization (supporting)
Search for more papers by this authorCorresponding Author
Qiangxian Wu
Key Laboratory of Pesticide & Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, China
Correspondence:
Qiangxian Wu ([email protected])
Contribution: Conceptualization (lead), Data curation (equal), Formal analysis (equal), Funding acquisition (lead), Investigation (lead), Methodology (lead), Project administration (lead), Resources (lead), Software (supporting), Supervision (lead), Validation (supporting), Visualization (supporting), Writing - original draft (equal), Writing - review & editing (equal)
Search for more papers by this authorYazhou Yi
Key Laboratory of Pesticide & Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, China
Contribution: Conceptualization (lead), Data curation (lead), Formal analysis (equal), Funding acquisition (supporting), Investigation (lead), Methodology (lead), Project administration (equal), Resources (equal), Software (lead), Supervision (equal), Validation (equal), Visualization (lead), Writing - original draft (lead), Writing - review & editing (equal)
Search for more papers by this authorKui Jian
Key Laboratory of Pesticide & Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, China
Contribution: Conceptualization (supporting), Formal analysis (supporting), Funding acquisition (supporting), Investigation (equal), Methodology (supporting), Project administration (equal), Resources (supporting), Software (equal), Validation (supporting), Writing - original draft (supporting), Writing - review & editing (supporting)
Search for more papers by this authorYaqing Zhang
Key Laboratory of Pesticide & Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, China
Contribution: Formal analysis (supporting), Funding acquisition (supporting), Investigation (supporting), Software (supporting), Validation (supporting), Writing - original draft (supporting)
Search for more papers by this authorNingning Wei
Key Laboratory of Pesticide & Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, China
Contribution: Data curation (supporting), Methodology (supporting), Visualization (supporting), Writing - original draft (supporting)
Search for more papers by this authorMingtian Ren
Key Laboratory of Pesticide & Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, China
Contribution: Formal analysis (supporting), Software (supporting), Visualization (supporting)
Search for more papers by this authorCorresponding Author
Qiangxian Wu
Key Laboratory of Pesticide & Chemical Biology of the Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, China
Correspondence:
Qiangxian Wu ([email protected])
Contribution: Conceptualization (lead), Data curation (equal), Formal analysis (equal), Funding acquisition (lead), Investigation (lead), Methodology (lead), Project administration (lead), Resources (lead), Software (supporting), Supervision (lead), Validation (supporting), Visualization (supporting), Writing - original draft (equal), Writing - review & editing (equal)
Search for more papers by this authorFunding: This work was supported by Program of Introducing Talents of Discipline to Universities, B17019.
ABSTRACT
It will significantly reduce carbon dioxide emissions by incorporating natural polymers into eco-friendly composites. Improving compatibility in eco-friendly composites is essential for enhancing their mechanical properties for broad applications. In this study, we synthesized a unique structured polyurethane prepolymer (PBAPU) and utilized it as a compatibilizer. We then mixed varying amounts of PBAPU with PBAT and SPI to produce a series of PBAT/SPI composites and subsequently investigated their structure and properties. The PBAT/SPI composites, with the addition of 15% compatibilizer, saw their tensile elongation increase by 207% and their impact strength improve by 236%, showing that the addition of PBAPU enhanced the mechanical properties of the composites. Furthermore, the scanning electron microscopy images revealed a reduction in cracks and gaps at the PBAT/SPI interface, with a more uniform dispersion, indicating a significant enhancement in the compatibility of the composites. The strong urethane linkage interactions between the PBAPU interfacial layer and SPI, as well as the crystalline PBA-PBA interactions between the PBAPU interfacial layer and the PBAT matrix, are the reasons for the improved compatibility of the PBAT/SPI composites. Therefore, incorporating PBAPU with a special structure enhances the compatibility and performance of the PBAT/SPI composites.
Conflicts of Interest
The authors declare no conflicts of interest.
Open Research
Data Availability Statement
The data that support the findings of this study are available from the corresponding author upon reasonable request.
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