Bicomponent synthesis fibre and process for producing same
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United States of America Patent
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-
Oct 10, 1995
Issued Date -
N/A
app pub date -
Mar 29, 1993
filing date -
May 5, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thermobondable bicomponent synthetic fiber (8,14) with a length of at least about 3 mm, adapted to use in the blending of fluff pulp for the production of hygiene absorbent products, the fiber comprising an inner core component comprises a polyolefin or a polyester, the sheath component comprises a polyolefin, and the core component has a higher melting point than the sheath component, and a process for producing said fiber. The sheath-and-core type fiber is preferably made permanently substantially hydrophilic by incorporating s surface active agent into the sheath component. The long bicomponent fibers (20) form a strong supporting three-dimensional matrix structure (20,24) in the absorbent product upon thermobonding.
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