Abstract
Recycled poly(ethylene terephthalate) (R-PET) was chain extended with pyromellitic dianhydride (PMDA) in an industrial scale twin-screw reactive extrusion system. Reactive extruded recycled poly(ethylene terephthalate) (RER-PET) samples at different PMDA concentrations were characterised in terms of Theological properties; thermal transitions and crystallinity. The results confirm the increase in molecular weight with an increase of PMDA concentration, and the formation of branching at concentrations above 0.25 wt.% PMDA. Structural changes due to PMDA addition affect the Tm, Tc and the crystallinity; however, no significant change was observed for the Tg.
| Original language | English |
|---|---|
| Pages | 981-985 |
| Number of pages | 5 |
| Publication status | Published - 2004 |
| Externally published | Yes |
| Event | ANTEC 2004 - Annual Technical Conference Proceedings - Chicago, IL., United States Duration: 16 May 2004 → 20 May 2004 |
Conference
| Conference | ANTEC 2004 - Annual Technical Conference Proceedings |
|---|---|
| Country/Territory | United States |
| City | Chicago, IL. |
| Period | 16/05/04 → 20/05/04 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 12 Responsible Consumption and Production
Keywords
- Poly(ethylene terephthalate)
- Pyromellitic dianhydride
- Reactive extrusion
- Recycling
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