PANEL STRUCTURE WITH RIGID FOAM CORE

摘要

A panel structure (10) includes a rigid foam center core (30) sandwiched between two outer skin fiber layers (20,24). The core is preferably polyurethane, polypropylene, polystyrene and mixtures, as well as polyphenyl ne oxide and blends. The fiber layers (20,24) may be bi-directional fabric, a unidirectional material or a random weave mat which is impregnated with an epoxy or resin binder. The fibers themselves may fiberglass, polypropylene, Kevlar or carbon. The rigid foam core is thermoplastic polyolefin (TPO), hig h density polyethylene (HDPE) or acrylonitrile butadieme styrene which are molded into the skin layers (20,24) with peripheral lips (22,26). The lips (22,26) are compressed together and form a peripheral bead or seal (28).