Metal sandwich panels

Details Metal sandwich panels Metal sandwich panels

1998-06-25

2000-08-01

Lovering, Richard D.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

523094, 523095, 523099, 156 78, 156 79, 4283171, 4283191, B32B 518, B32B 712, B32B 3112

Patent

active

060964162

ABSTRACT:
It has been discovered that improved poured-in-place sandwich panels may be made which have a planar, rigid, cellular polyisocyanurate or polyurethane foam core, an interior facer on one side of the polyisocyanurate foam core and a metal skin on the other, opposite side of the polyisocyanurate foam core. Adhesion of the metal skin to the polyisocyanurate or polyurethane foam core is improved through the use of a primer layer, such as a polyurea or a polyepoxide. Preferably, glass fibers are provided in the polyisocyanurate or polyurethane foam core as reinforcement and as fire retardant.

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