Plastic film packaging material
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United States of America Patent
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Jun 20, 1989
Grant Date -
N/A
app pub date -
Oct 9, 1987
filing date -
Feb 19, 1986
priority date (Note) -
Expired
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Abstract
The present invention provides a plastic film packaging material comprising 100 weight parts of a polyethylene resin and 5 to 100 weight parts of an additive comprising a silica containing naturally porous material which is hydrophillic and which has a pore diameter of 15-200A, a specific surface area of 110 to 130 m.sup.2 /g, voids of 40 to 50% and a specific gravity of about 1.2.
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