Nonwoven web and filter media containing partially split multicomponent fibers
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United States of America Patent
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Sep 20, 2011
Grant Date -
Jun 24, 2010
app pub date -
Dec 23, 2008
filing date -
Dec 23, 2008
priority date (Note) -
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Abstract
The present invention provides a nonwoven web prepared from multicomponent fibers which are partially split. The partially split multicomponent fibers have at least one component of the multicomponent fiber separated from the remaining components of the multicomponent fiber along a first section of the longitudinal length of the multicomponent fibers. Along a second section of the longitudinal length of the multicomponent fibers the components of the multicomponent fibers remain together as a unitary fiber structure. In addition, part of the second section of the multicomponent fibers is bonded to part of a second section of an adjacent multicomponent fiber.
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