Process of making conjugate fibers
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United States of America Patent
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Feb 19, 2013
Grant Date -
Sep 2, 2010
app pub date -
Sep 26, 2008
filing date -
Sep 28, 2007
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Abstract
Conjugate fibers are prepared in which at least one segment is a mixture of a high-D PLA resin and a high-L PLA resin. These segments have crystallites having a crystalline melting temperature of at least 200° C. At least one other segment is a high-D PLA resin or a high-L PLA resin. The conjugate fibers may be, for example, bicomponent, multi-component, islands-in-the-sea or sheath-and-core types. Specialty fibers of various types can be made through further downstream processing of these conjugate fibers.
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