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Injection Molding a Polyolefin-Based Nanocomposite versus a Talc-Filled TPO

Published online by Cambridge University Press:  14 March 2011

David A. Okonski
David A. Okonski*
Affiliation:
Materials and Processes Laboratory, General Motors Research & Development Center, MC: 480-106-710, Warren, MI 48090, U.S.A.
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Abstract

General Motors Research and Development and Basell Polyolefins have jointly developed a family of polyolefin-based nanocomposites for use in the injection molding of body-side claddings. Basell Polyolefins commercialized one of these materials as Hifax DX277 in September of 2000, and General Motors has exclusive use of this material. Confidence in the ability of DX277 to perform as intended is being reinforced by molding trials at various Tier 1 locations. In addition to mass savings, the nanocomposite material is showing a much wider processing window than conventional talc-filled TPO’s – allowing Tier 1 molders the opportunity to process away problems rather than initiating a tooling change. This paper will describe the processing advantages associated with the injection molding of a polyolefin-based nanocomposite over a conventional talc-filled TPO.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 702: Symposium U – Advanced Fibers, Plastics, Laminates and Composites , 2001 , U7.5.1
Copyright
Copyright © Materials Research Society 2002

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References

REFERENCES

1. Basell Polyolefins, HIFAX INJECTION MOLDING GUIDE. Troy, MI: Basell Polyolefins.Google Scholar
2. Dharia, Amit, “Analysis of Halo Effects on Injection Molded Parts,” Journal of Injection Molding Technology 3 (June 1999): pp. 67–72.Google Scholar