| 摘要 |
interlacing the low-shrinkage polyester filament yarn, whose temp. to generate max. heat-stress is higher than that of the high-shrinkage yarn, and elongation lies between that of the high-shrinkage yarn and 70 % higher than that of the high shrinkage yarn; and the high shrinkage yarn, whose rs2 = ((l0-l1)/l0) x 100(%) (where l0: length of the sample measured under the load of 0.1 g/d, l1: length of the sample measured under the load of 0.1 g/d, after being treated in dry-heat of 160 deg.C for 15 min. under the tensionless state following shrinkage treatment) is 15-40 %, and which is copolymerized by 2-15 mol% of the third component; at before the input of the false-twisting heater or after the untwisting zone.
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