Special receptacle or package – With specified material for container or content – Plural different lamina wall
Patent
1976-10-18
1978-01-24
Ansher, Harold
Special receptacle or package
With specified material for container or content
Plural different lamina wall
156272, 206484, 2065245, 428216, 428349, 428416, 428425, 428463, 428520, B65D 6540, B65D 8100, B32B 2716, B37B 3126
Patent
active
040703983
ABSTRACT:
Heat-sealable laminates useful as packaging materials, for example, for the packaging of photographic processing chemicals, are comprised of a layer of metal foil, an outer heat-sealable layer of a radiation-cured and heat-fused polymeric composition, and a radiation-cured chemically-resistant polymeric interlayer between the foil and the outer layer. The laminates are manufactured by coating a metal foil with a radiation-curable composition that is capable of forming a chemically-resistant layer upon radiation curing, irradiating the coating to cure it, overcoating with a radiation-curable composition such as a vinyl plastisol that is capable of forming a heat-sealable layer upon radiation curing, irradiating the overcoat to cure it, and heating the laminate to fuse the overcoat layer.
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Journal Applied Polymer Science, Marans et al, 1965, vol. 9, pp. 3661-3680.
SPE Journal, 1973, vol. 29, Cowperwaite, Acrylic Monomers in PVC Plastisols, pp. 56-62.
Ansher Harold
Eastman Kodak Company
Lorenzo A. P.
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