Peelable adhesive structure and method for its manufacture

B - Operations – Transporting – 32 – B

Patent

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154/71, 154/126.

B32B 7/06 (2006.01) B65D 41/10 (2006.01)

Patent

CA 1130187

ABSTRACT A peelable adhesive structure comprises a plurality of articles, including including at least one metal article, bonded together through a composite coating layer. The latter comprises adjacent first and second coating layers, the first coating layer contain- ing vinyl resin, and the second coating layer containing epoxy resin. At least one of the coating layers comprises (a) a peel- ing imparter at a concentration of between about 50 and 200 parts by weight per 100 parts of resin, and (b) a substantially linear saturated polyester wetting improver at a concentration of be- tween about 2 and 50 parts per 100 parts of resin and having a molecular weight of between about 5,000 and about 50,000. The peelable adhesive structure is useful for containers, container covers and sealing materials.

329623

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