Metal coated unsaturated carboxylic acid modified polyolefin art

Details Metal coated unsaturated carboxylic acid modified polyolefin art Metal coated unsaturated carboxylic acid modified polyolefin art

1975-05-05

1977-03-29

Weiffenbach, Cameron K.

Stock material or miscellaneous articles

Composite

Of metal

427250, 427383R, 428500, B05D 302, B32B 1508, C23C 1302

Patent

active

040150496

ABSTRACT:
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.degree.-157.degree. 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.

REFERENCES:
patent: 2992125 (1961-07-01), Fustier
patent: 3466207 (1969-09-01), Vincent et al.
patent: 3480464 (1969-11-01), Lacy
patent: 3862265 (1975-01-01), Steinkamp
patent: 3922421 (1975-11-01), Frank

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