Extruded thermoplastic articles with enhanced surface segregation of internal melt additive
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United States of America Patent
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Aug 24, 2010
Grant Date -
Aug 6, 2009
app pub date -
Apr 8, 2009
filing date -
Jun 30, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed herein are extruded articles such as, for example, fibers and films, containing thermoplastic polymeric compositions having a copolymeric major component and a melt processable additive treatment, wherein the melt processable additives have enhanced segregation to or expression at the surface of the article, thereby improving the effect of the desired characteristic of the additive treatment. Also disclosed are multicomponent extruded thermoplastic articles having two or more distinct components arranged in a specific geometric arrangement, wherein the thermoplastic polymeric composition of at least one geometric component includes a copolymeric major component and a melt processable additive treatment. Also disclosed are web materials including the extruded articles. Such extruded articles and multicomponent extruded thermoplastic articles are useful in a wide range of limited use and disposable products such as, for example, personal care products, mortuary and veterinary products, protective wear garments, and medical care garments and products.
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