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Article | November 2, 2008
DuPont Packaging: PLA heat-stabilizing modifier
DuPont Packaging has developed renewably sourced Biomax® Thermal 300, a proprietary heat-stabilizing modifier that allows polylactic acid (PLA) thermoformed packaging to withstand elevated temperatures during transport, storage and use.
Biomax extends the use of PLA, a bio-based alternative to petrochemical-derived products, to applications beyond chilled-storage packaging. Biomax Thermal 300 is a U.S. Food and Drug Administration-compliant polymer modifier that increases the dimensional stability of PLA packaging materials to temperatures of up to 95°C when used at recommended levels (between 2 percent and 4 percent by weight) and in two-stage forming processes, far above temperatures that packages could be exposed to during storage and shipping. The addition of Biomax Thermal 300 to PLA at low levels has also been demonstrated to have a minimal impact on the material’s clarity, as well as to accelerate cycle times during two-stage thermoforming. Biomax Thermal 300 contains 50 percent renewably sourced content by weight.
Phone: 302/992-6678 www.dupont.com/packaging
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