| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polyphenylene sulfide (PPS) monofilament with a flat cross section, produced under excellent processability provided by improving occurrence of defects of yarn split in a product, and reducing yarn break at the insertion of weft yarns at the production of an industrial woven fabric, and capable of forming the surface smoothness of the industrial woven fabric into a very good state, and to provide the industrial woven fabric. Ž<P>SOLUTION: The PPS monofilament with the flat cross section is regulated as follows. The flat cross section has a nearly rectangular shape having each facing pair of long sides and short sides. The short side has the thinnest parts having the thickness Dmin positioned at both the terminal parts in the width direction, and the thickest part having the thickness Dmax, formed by gradually increasing the thickness from both terminals of the thinnest parts to the vicinity of the center part in the width direction of the long side to the thickness of the Dmax at the center part in the width direction of the long side, regulated so that the ratio (Dmin:Dmax) of the thickness of the thinnest part to the thickness of the thickest part may be within the range of from 1:1.01 to 1:4.00. The tensile elongation is 42% or more and 70% or less, and the loop strength retention expressed by (loop strength) / (tensile strength)×100 is 130% or more. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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