New Metallocene PP Resin Clarified with Milliken's Millad NX8000 for Thermoforming

Total Petrochemicals USA, Inc., a leading polypropylene (PP) producer headquartered in Houston, and Milliken Chemical, a division of Milliken & Company, collaborated on a new metallocene PP resin clarified with Milliken's Millad NX8000 technology.

The new material, Total Petrochemicals' Lumicene M3382MZ polypropylene, produces thermoformed parts with superior clarity and gloss and excellent side wall stiffness. The resin is ideal for deli containers, drinking cups, lids, domes and food service trays when high clarity and stiffness are important. The combination of Milliken's high-performance clarifier and Total's proprietary metallocene technology will help drive expanded use of low-density PP as a cost-effective and environmentally responsible replacement for other clear plastic materials.

Clear Plastic Drinking Cups Made With Total Petrochemicals’ Lumicene® M3382MZ Polypropylene, Clarified With Milliken’s Millad® NX8000.

Lumicene M3382MZ is an extremely clean resin that features ultra-low extractables, improved taste and odor characteristics, and complies with U.S. Food and Drug Administration (FDA) regulations regarding food contact. During processing, this resin delivers optimum thermal stability for superior color, clarity and processability. An additional processing benefit provided by combining Total's Lumicene resin technology with Milliken's Millad NX8000 clarifier is reduced smoke and plate-out in thermoforming applications such as clear cold drink cups and lids.

"Our work with Milliken has enabled Total to create a value-added PP resin that delivers outstanding clarity for thermoformed cups, containers and packaging," said Mike Musgrave, market manager, Total Petrochemicals. "Increased clarity, together with metallocene PP's other desirable properties, makes this new grade a better solution than traditional materials for a range of thermoformed applications. It delivers the spectacular appearance and excellent performance consumers expect."

"Many trends are driving the need for replacement of traditional clear packaging materials," said Brian Burkhart, global market manager, Milliken Chemical. "Along with economic pressures to reduce costs throughout the production cycle, manufacturers are listening to consumer demands for sustainability - less material, easier recyclability - as well as safety and quality. Total's metallocene PP resin clarified with Millad NX8000 agent offers a new and improved choice for clear containers and packaging."

In the past, PP could not compete with the high clarity of polystyrene (PS), polyethylene terephthalate (PET) and other materials. Milliken's Millad NX8000 clarifying agent provides a reduction in haze vs. the current industry standard. The combination of these two advanced technologies produces excellent aesthetics for thermoformed PP in both deep- and shallow-draw packaging, including a high level of gloss. The highly clarified metallocene PP can successfully compete with traditional materials because it offers lower density for reduced cost and lower resource usage, and fast and easy processing for high productivity. Millad NX8000 also delivers performance benefits including increased material strength and rigidity, and improved heat and chemical resistance.

Clarified metallocene PP supports environmental goals in two ways: with its lower density, polypropylene requires less resin than other clear polymers, reducing the amount of non-renewable resources used in manufacturing; and it is more easily recycled in the existing waste management infrastructure.

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