D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
D01F 6/62 (2006.01) C08G 63/08 (2006.01) C08L 67/02 (2006.01) C08L 67/04 (2006.01)
Patent
CA 2534176
A polylactic acid resin suitable for use especially in textile products; textile products obtained from the resin as a raw material (a fiber, multifilament, monofilament, staple, false-twist yarn, long-fiber nonwoven fabric, etc.); and processes for producing these textile products. The polylactic acid resin is a resin consisting mainly of a polylactic acid and is characterized in that it is linear, has an L- isomer content of 95 mol% or higher, an Sn content of 0 or 30 ppm or lower, a monomer content of 0 or 0.5 wt.% or lower, and has a relative viscosity of 2.7 to 3.9 or has a weight-average molecular weight of 120,000 to 220,000 and a number-average molecular weight of 60,000 to 110,000. The textile products each comprises the polylactic acid resin as the main material. The textile products each comprises a polylactic acid excellent in processability and fiber properities and free from problems in practical use.
Kajiyama Hiroshi
Ogura Toichi
Ueda Hideo
Yoshida Hiroji
Borden Ladner Gervais Llp
Toray Industries Inc.
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