Breathable film and process for production of the same
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United States of America Patent
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-
May 9, 1989
Grant Date -
N/A
app pub date -
Jul 16, 1987
filing date -
Jul 16, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A breathable film and a process for producing the same are disclosed, the breathable film comprising a resin composition comprising (1) 100 parts by weight of a linear low-density polyethylene resin having a density of from 0.870 to 0.915 g/cm.sup.3 and containing from 15 to 50% by weight of a component which is extractable with xylene at room temperature and which has a weight average molecular chain length of from 1,000 to 9,000 .ANG.; (2) from 50 to 400 parts by weight of a filler; and optionally, (3) from 0.5 to 8 parts by weight of a nonionic surface active agent. The breathable film of the invention not only has excellent film moldability and film stretchability but also shows high breathability, good touch and appearance, and high strength.
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