Aluminium sheet bearing an intermediate copolymeric layer...

B - Operations – Transporting – 32 – B

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96/208, 204/22.5

B32B 15/08 (2006.01) G03F 7/00 (2006.01)

Patent

CA 1121646

Abstract of the Disclosure A UV-light-sensitive sheet for graphic applications comprises an aluminum sheet or foil bearing an oxide film which is produced by anodising and is coloured but not yet sealed, an intermediate layer, and a l?yer of UV-light-sensitive plastic. The intermediate layer is formed from a solution containing at least one copolymer which is soluble in polar solvents and is made up of a monomer of the following group: A) unsaturated ethers, unsaturated alcohols, unsaturated amines, unsaturated keytones, styrene and a monomer of group B) unsaturated carboxylic acids or carboxylic acid salts unsaturated carboxylic acid derivatives which can be hydrolised. The intermediate layer is formed on the coloured, non-sealed oxide layer, dried and then a UV-light-sensitive layer of plastic is deposited on top of the intermediate layer.

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