Metallized breathable films prepared from melt embossed polyolefin/filler precursor films
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United States of America Patent
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Oct 8, 1991
Issued Date -
N/A
app pub date -
Sep 29, 1988
filing date -
Mar 11, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A breathable metallized polyolefin film is prepared by: melt embossing a highly filled polyolefin film to impose a pattern of different film thickness therein; stretching the melt embossed film to impart greater permeability in the area of reduced thickness in comparison to the areas of greater thickness; and coating the resulting stretched embossed film with a suitable metal.
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