Water-degradable flushable film of polyolefin and poly(ethylene oxide) and personal care article therewith
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United States of America Patent
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Nov 28, 2000
Grant Date -
N/A
app pub date -
Jun 15, 1998
filing date -
Dec 31, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides a water-degradable polyolefin-containing film having greater than about 55 weight percent of a polyolefin and less than about 45 weight percent of poly(ethylene oxide) of weight average molecular weight of less than about 100,000. Preferably, the polyolefin is low density polyethylene. The polyolefin-containing film, when immersed in water for about 30 seconds, loses at least 10% in two or more of the tensile properties: percent strain-to-break, peak stress, energy-to-break and modulus when compared to the dry or pre-immersion values. Also provided are flushable personal care articles such as infant diapers, feminine hygiene napkins, and adult incontinence garments having a backing or barrier layer comprising a water degradable polyolefin-containing film of the invention.
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