Stampable sheet shaped-product, process for producing the same,

Details Stampable sheet shaped-product, process for producing the same, Stampable sheet shaped-product, process for producing the same,

1991-12-13

1993-06-15

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283084, 427373, 4273935, B32B 326

Patent

active

052196488

ABSTRACT:
A stampable sheet shaped-product has a skin layer consisting essentially of a foamable thermosetting resin and formed on and in one or both of surfaces of a sheet-like open cell plastic foam. Optionally, a facing material layer of a proper material may be formed on one or both of surfaces of the skin layer. Such stampable sheet shaped-product is produced by applying a composition consisting essentially of a foamable thermosetting resin onto one or both of surfaces of a sheet-like open cell plastic foam, so that the one or both surfaces is or are impregnated with the composition. Optionally, a proper facing material is placed on one or both of the surfaces, and the resulting material is subjected to a hot pressing. Alternatively, the stampable sheet shaped-product may be produced by a process including a thermal treatment step interposed between the above-described applying and hot-pressing steps.

REFERENCES:
patent: 4452829 (1984-06-01), Smith

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