Polylactide fibers
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United States of America Patent
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Aug 2, 2016
Grant Date -
Oct 30, 2014
app pub date -
Dec 14, 2012
filing date -
Dec 16, 2011
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Abstract
Polylactide fibers are made from a blend of polylactides. One of the polylactides has a ratio of R-lactic and S-lactic units from 8:92 to 92:8. The second polylactide has a ratio of the R-lactic and S-lactic units of >97:3 or <3:97. The ratio of the R-lactic units to S-lactic units in the blend is from 7:93 to 25:75 or from 75:25 to 93:7. The polylactide fiber contains at least 5 Joules of polylactide crystallites per gram of polylactide resin in the fiber.
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