Durable, energy-absorptive EPP/PUR structural composites

Details Durable, energy-absorptive EPP/PUR structural composites Durable, energy-absorptive EPP/PUR structural composites

1996-12-04

1998-07-28

Cooney, Jr., John M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

264 451, 264 458, 4283044, 4283084, 4283166, 4284231, 4284242, 4284248, 428500, 428521, 428523, 521155, C08J 934

Patent

active

057863946

ABSTRACT:
Structural composite parts having a light-weight expanded polyolefin core are rendered resistant to breakage under bending stress by molding an integral skin polyurethane flexible foam around the core. The resulting composite parts have excellent compressive strength and energy absorption properties while being resistant to breakage, and are well suited for light-weight and cost effective energy management structures in vehicle interiors.

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