Ahmad Saidi, Muhammad Akmal and Hassan, Azman and Wahit, Mat Uzir and Choy, Lai Jau and Anuar, Hazleen (2020) Thermal, dynamic mechanical analysis and mechanical properties of polybutylene terephthalate/polyethylene terephthalate blends. Jurnal Teknologi (Sciences & Engineering), 82 (5). pp. 73-83. E-ISSN 2180–3722
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Abstract
Differential scanning calorimetry (DSC), dynamic mechanical analysis (DMA) and mechanical tests were conducted to characterize the properties of polybutylene terephthalate/polyethylene terephthalate (PBT/PET) blends. PBT and PET were blended at different PBT/PET ratios (80/20, 60/40, 40/60, 20/80) via twin screw extruder prior to injection molding. DSC characterization showed a single glass transition temperature for all PBT/PET blends indicating that the miscibility occurred in the amorphous region. From DMA results, loss modulus and tan δ also showed a single peak for all PBT/PET blends, confirming the DSC results. At room temperature, PBT/PET 20/80 has the highest storage modulus followed by PBT/PET 80/20 blend. PET has higher tensile strength, flexural strength, Young’s and flexural modulus than PBT but lower in elongation at break and impact strength. PBT/PET 80/20 blend has the highest tensile strength, flexural strength, elongation at break, and impact strength compared to other PBT/PET blends. PBT/PET 80/20 blend can be suggested as an optimum formulation with balanced mechanical properties in terms of stiffness and toughness.
| Item Type: | Article (Journal) |
|---|---|
| Additional Information: | 4130/82784 |
| Uncontrolled Keywords: | Polybutylene terephthalate, polyethylene terephthalate, polymer blend, dynamic mechanical analysis, mechanical and thermal properties |
| Subjects: | T Technology > TS Manufactures > TS195 Packaging |
| Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): | Kulliyyah of Engineering Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering |
| Depositing User: | Dr Hazleen Anuar |
| Date Deposited: | 10 Sep 2020 10:24 |
| Last Modified: | 04 Mar 2021 09:07 |
| URI: | http://irep.iium.edu.my/id/eprint/82784 |
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