Thermoplastic Starch with Poly(butylene adipate-co-terephthalate) Blends Foamed by Supercritical Carbon Dioxide
Abstract
:1. Introduction
2. Experimental Preparations
2.1. Materials and Procedure
2.2. Functional Group Chemical Modification TPS Experiment
2.3. The (SA/TPS)/PBAT Biodegradable Polyester Composite Mixing
2.4. The (SA/TPS)/PBAT Composite Foam Test Piece and Supercritical Foaming Experiment
2.5. The (SA/TPS)/PBAT Composite Foam Appearance and Internal Structure SEM Analysis
2.6. Chemical Modification and Analysis of TPS Functional Group
2.7. Supercritical Batch Foaming Process
3. Results and Discussions
3.1. FT-IR Analysis of TPS and SA/TPS
H NMR Analysis of TPS and SA/TPS
3.2. The Composite Foam Density of TPS/PBAT
3.2.1. The Density of Foamed Material of PBAT
3.2.2. The Density of TPS/PBAT Composite Foam
3.2.3. The Density of (SA/TPS)/PBAT Composite Foam
3.2.4. The Influence of Foaming Temperature on the Density of Composite Foams with PBAT in Different Ratios (SA/TPS)
3.3. Appearance and Internal Structure of TPS/PBAT Composites Foam
3.3.1. Appearance and Internal Microstructure of PBAT Foam
3.3.2. The Appearance and Internal Structure of TPS/PBAT Composites Foam
3.4. Appearance and Internal Structure of (SA/TPS)/PBAT Composites Foam
3.4.1. The (SA/TPS)/PBAT Composite Foam Appearance and Internal Structure
3.4.2. The Appearance and Internal Structure of (SA/TPS)/PBAT Foams with Different (SA/TPS) Ratios
3.5. Mechanical Properties of the TPS/PBAT and the (SA/TPS)/PBAT Composites Foam
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Symbols | Blends (by Weight) |
---|---|
[N-1] | 50% TPS/50% PBAT |
[N-2] | 60% TPS/40% PBAT |
[N-3] | 70% TPS/30% PBAT |
[S-0.5] | 50% (TPS with 5PHR SA)/50% PBAT |
[S-1] | 50% (TPS with 10PHR SA)/50% PBAT |
[S-2] | 60% (TPS with 10PHR SA)/40% PBAT |
[S-3] | 70% (TPS with 10PHR SA)/30% PBAT |
[S-4] | 80% (TPS with 10PHR SA)/20% PBAT |
[N-1] (F) | [N-2] (F) | [N-3] (F) | [S-1] (F) | [S-2] (F) | [S-3] (F) | [S-4] (F) | |
---|---|---|---|---|---|---|---|
Tensile strength (kPa) | |||||||
Elongation (%) | 22 ± 2 | ||||||
Foam density (kg/m3) |
[N-1] | [N-2] | [N-3] | [S-1] | [S-2] | [S-3] | [S-4] | |
---|---|---|---|---|---|---|---|
Tensile strength (Breaking point) (kPa) | |||||||
Elongation (%) |
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Chang, C.-J.; Venkatesan, M.; Cho, C.-J.; Chung, P.-Y.; Chandrasekar, J.; Lee, C.-H.; Wang, H.-T.; Wong, C.-M.; Kuo, C.-C. Thermoplastic Starch with Poly(butylene adipate-co-terephthalate) Blends Foamed by Supercritical Carbon Dioxide. Polymers 2022, 14, 1952. https://0-doi-org.brum.beds.ac.uk/10.3390/polym14101952
Chang C-J, Venkatesan M, Cho C-J, Chung P-Y, Chandrasekar J, Lee C-H, Wang H-T, Wong C-M, Kuo C-C. Thermoplastic Starch with Poly(butylene adipate-co-terephthalate) Blends Foamed by Supercritical Carbon Dioxide. Polymers. 2022; 14(10):1952. https://0-doi-org.brum.beds.ac.uk/10.3390/polym14101952
Chicago/Turabian StyleChang, Chih-Jen, Manikandan Venkatesan, Chia-Jung Cho, Ping-Yu Chung, Jayashree Chandrasekar, Chen-Hung Lee, Hsin-Ta Wang, Chang-Ming Wong, and Chi-Ching Kuo. 2022. "Thermoplastic Starch with Poly(butylene adipate-co-terephthalate) Blends Foamed by Supercritical Carbon Dioxide" Polymers 14, no. 10: 1952. https://0-doi-org.brum.beds.ac.uk/10.3390/polym14101952