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May 2010 eBook

Plastics Engineering Print Magazine
February 2009

SPE News Roundup

Industry Events

Latin America

Filling and Reinforcing with Natural Fibers

Efforts to increase resin performance and reduce raw material costs are leading researchers and resin producers to evaluate reinforcements and fillers derived from natural fibers and other biomass Tests show that these perform as well as or better than conventional materials in virgin and recycled polymers.

By Laura Flórez

Packaging Takes the Heat

Hot foods test the limits of containers.
Heat is generally the enemy of plastics, especially resins used in commodity packaging. So a balancing act is required in the design of attractive, inexpensive food and beverage packaging that can also resist the temperature demands of hot-fill or retort applications. Other factors besides heat—notably a container's desired clarity and barrier properties—affect what determines the best package structure and process.

By Michael Tolinski

On the Cover

Colors developed for containers made with high levels of post-consumer recycled polyolefin offer improved consumer appeal.

Clariant Masterbatches.

Self-Healing Materials

When developing structural materials, engineers must consider two fundamental design concepts: damage prevention and damage management. The latter forms the basis of self-healing materials and is also the foundation for material development in nature. The paradigm is based on the notion that the formation of damage is not problematic so long as a subsequent, autonomous process of "removing" or "healing" the damage counteracts it.

By Professor Sybrand van der Zwaag

2009 Archives

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