Porous sheet and absorbent article using the same
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United States of America Patent
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-
Dec 15, 1998
Grant Date -
N/A
app pub date -
Feb 2, 1996
filing date -
Feb 2, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The porous sheet obtainable by stretching, in at least one direction, a sheet formed from a melt mixture of a resin composition comprising: 100 parts by weight of a resin mixture consisting of 63 to 90 parts by weight of a crystalline polyolefin resin, and 37 to 10 parts by weight of a compound having a volatile temperature at an ambient pressure of 240.degree. C. or higher and a melting temperature of 90.degree. C. or lower; and 7 to 40 parts by weight of a particulate material having an average particle diameter of 0.3 to 8 .mu.m and a maximum particle diameter of 13 .mu.m or smaller, the particulate material being not melted at the molding temperature of the resin mixture is disclosed.
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