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Polylactide (PLA) biopolymers are currently enjoying strong commercial interest as sustainable alternatives to commodity petroleum-based plastics in a wide variety of thermoformed packaging applications.
Typically, the properties of unmodified PLA resins are sufficient to meet the performance requirements of these applications, providing the temperature-performance requirement remains less than about 50°C.
For higher-temperature applications, the heat resistance of neat PLA resin is largely constrained by two fundamental physical limitations: a moderately low temperature glass transition (in the vicinity of 60°C) and a fairly slow crystallization rate.
This video discusses the results of a development effort within NatureWorks LLC to improve the practical temperature resistance of IngeoTM PLA sheet in thermoformed packaging applications through modification of polymer composition, crystal nucleation, and the thermoforming process.
1. Speaker Bio
2. Introduction
3. IngeoTm biopolymer
4. Thermoformed packaging applications
5. Comparative property profiles
6. Effect of nucleating agents
7. CPLA process
8. Summary
9. Q&A session
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