POLYTRIMETHYLENE TEREPHTHALATE HOLLOW COMPOSITE STAPLE FIBERS AND PROCESS FOR PRODUCING SAME
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United States of America Patent
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app pub date -
Sep 30, 2008
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Jun 26, 2003
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Abandoned
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Abstract
, and the web is heated at 120° C. for 10 minutes to cause the web to freely shrink, an area thermal shrinkage of 30 to 70% based on the original area of non-heated web.
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