Rigid foam from PET bottles

03/30/2012

Furukawa Electric Co. (Tokyo) has developed technology for recycling post-consumer PET bottles into high-stiffness foam with potential for use in automotive applications. A foaming ratio of up to two is possible, and reinforcing material can also be incorporated to further improve stiffness.

The process developed by Furukawa Electric employs PET flakes and does not require a chemical blowing agent. The company estimates a PET foam part with foaming ratio of two enables a 30% weight reduction when substituting a polypropylene part, while providing 80% of the stiffness with no reinforcement used.
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