Separable foamed thermoplastic resin laminate sheet, process for

Details Separable foamed thermoplastic resin laminate sheet, process for Separable foamed thermoplastic resin laminate sheet, process for

1996-06-28

1999-03-16

Copenheaver, Blaine R.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428220, 4283186, 4283197, 4283199, B32B 706, B32B 312

Patent

active

058827820

ABSTRACT:
A separable foamed thermoplastic resin laminate sheet comprising a foamed thermoplastic resin sheet and a thermoplastic resin film, wherein the foamed thermoplastic resin sheet has a cellular surface having a plurality of cells which have an average cell size of from 0.005 to 0.5 mm and having a surface smoothness R.sub.max of from 5 to 200 .mu.m, and the peel strength between the foamed thermoplastic resin sheet and the thermoplastic resin film is from 5 to 400 g/25 mm width. The resin film is easily strippable from the foamed resin sheet with a reduced scatter in peeling strength, making the formings reusable.

REFERENCES:
patent: 3619344 (1971-11-01), Wolinski
patent: 4847148 (1989-07-01), Schirmer

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