Method of making a thermoformable barrier sheet

Details Method of making a thermoformable barrier sheet Method of making a thermoformable barrier sheet

1989-04-07

1990-06-19

Cashion, Jr., Merrell C.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1562733, 1563082, 1563096, 1563099, 156320, 156332, 204165, B32B 3128

Patent

active

049350897

ABSTRACT:
Thermoformable barrier sheet includes a barrier film having low oxygen transmission, and a thermoformable plastic, especially a foamed or unfoamed polystyrene sheet bonded thereto. Bonding can be accomplished by corona bonding or by thermal bonding.

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