SPLITTABLE CONJUGATE FIBER AND METHOD FOR PRODUCING THE SAME
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United States of America Patent
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Issued Date -
Apr 8, 2010
app pub date -
May 10, 2007
filing date -
May 10, 2007
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Abandoned
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Abstract
A splittable conjugate fiber that even in the polishing of precision equipments, such as a hard disc, is free from injuring of polishing object parts and allows precision polishing. The splittable conjugate fiber is one composed of, containing substantially none of titanium dioxide, a polyester component and a polyamide component, characterized in that the cyclic trimer content of the polyester component is less than 1.0%. Preferably, this product is produced under conditions such that the difference between polyester-containing cyclic trimer after melt extrusion and cyclic trimer of polyester pellet as a raw material is less than 0.3%.
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