Process and product

C - Chemistry – Metallurgy – 23 – C

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C23C 14/58 (2006.01) C08F 8/00 (2006.01) C08F 8/46 (2006.01) C08F 255/00 (2006.01) C08L 23/02 (2006.01) C23C 14/20 (2006.01) C23C 14/02 (2006.01)

Patent

CA 1054871

ABSTRACT OF THE DISCLOSURE The adhesive strength of a metallic layer prepared by vacuum metallizing on an unsaturated carboxylic acid modified polyolefin article is substantially increased by heating below the melting point of the polyolefin after the metallization. Preferable heating temperature is 92 - 157°C for polypropylene and heating time is 10 sec. - 1 hour. An aluminum layer obtained by this invention has remaining ratio of 100% after cross cut test.

226637

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