Polyamide crimped yarn for clothing and woven or knitted fabric for clothing comprising same

Abstract

A polyamide crimped yarn for clothing includes a multifilament satisfying conditions (1) to (3): (1) monofilament fineness is at least 1.5 dtex and up to 25 dtex, (2) total fineness is least 400 dtex and up to 1500 dtex, and (3) the monofilament has a multilobal cross section with three or more lobes and a degree of irregularity of at least 1.5 and up to 5.5.

1 .- 11 . (canceled) 
     
     
         12 . A polyamide crimped yarn for clothing comprising a multifilament satisfying conditions (1) to (3):
 (1) monofilament fineness is at least 1.5 dtex and up to 25 dtex,   (2) total fineness is least 400 dtex and up to 1500 dtex, and   (3) the monofilament has a multilobal cross section with three or more lobes and a degree of irregularity of at least 1.5 and up to 5.5.   
     
     
         13 . The polyamide crimped yarn according to  claim 12 , wherein the monofilament has a multilobal cross section with 3 or more lobes radially extending from a center of the monofilament cross section, a degree of irregularity is at least 1.7 and up to 5.5, and a coefficient of variation (CV, %) of the degree of irregularity is less than 7.0 and at least 1.0. 
     
     
         14 . The polyamide crimped yarn according to  claim 12 , wherein the monofilament is a hollow filament having a hollowness of at least 5% and up to 25%. 
     
     
         15 . The polyamide crimped yarn according to  claim 12 , wherein elongation after boiling water treatment is at least 5% and up to 30%, and number of interlace nodes is at least 5 nodes/m and up to 50 nodes/m. 
     
     
         16 . The polyamide crimped yarn according to  claim 12 , wherein the yarn is twisted (net twist), and twist factor (K) represented by equation (1) is at least 300 and up to 35,000
   Twist factor  K=T×D ½  (1)
   T=twist number per yarn length of 1 m, and   D=total fineness (dtex) of the yarn.   
     
     
         17 . A woven or knitted fabric for clothing containing the polyamide crimped yarn according to  claim 12 . 
     
     
         18 . The woven or knitted fabric according to  claim 17 , containing at least 25% by weight of the polyamide crimped yarn. 
     
     
         19 . The woven or knitted fabric according to  claim 17 , wherein lightness (cm3/g) is at least 3.0 and up to 6.0, and heat retention (%) is at least 20 and up to 50. 
     
     
         20 . The woven or knitted fabric according to  claim 17 , produced by weaving or knitting and dying yarn comprising a polyamide crimped yarn for clothing comprising a multifilament satisfying conditions (1) to (3):
 (1) monofilament fineness is at least 1.5 dtex and up to 25 dtex,   (2) total fineness is least 400 dtex and up to 1500 dtex, and   (3) the monofilament has a multilobal cross section with three or more lobes and a degree of irregularity of at least 1.5 and up to 5.5,   
       and at least one fiber selected from the following group consisting of natural fibers, synthetic fibers, semi-synthetic fibers, and regenerated fibers:
 natural fibers: wool, cotton, animal hair, or linen, 
 synthetic fibers: polyester or acryl resin which can be dyed with a cationic dye, semi-synthetic fibers: acetate, and 
 regenerated fibers: rayon or cuprammonium rayon. 
 
     
     
         21 . The woven or knitted fabric according to  claim 17 , wherein a crimp factor of the polyamide crimped yarn obtained by undoing the woven or knitted fabric for clothing is at least 2.5% and up to 25%. 
     
     
         22 . Clothing produced by using a woven or knitted fabric according to  claim 17 , which is selected from the group consisting of a coat, cloak, jacket, skirt, one-piece dress and dress. 
     
     
         23 . The polyamide crimped yarn according to  claim 13 , wherein the monofilament is a hollow filament having a hollowness of at least 5% and up to 25%. 
     
     
         24 . The polyamide crimped yarn according to  claim 13 , wherein elongation after boiling water treatment is at least 5% and up to 30%, and number of interlace nodes is at least 5 nodes/m and up to 50 nodes/m. 
     
     
         25 . The polyamide crimped yarn according to  claim 14 , wherein elongation after boiling water treatment is at least 5% and up to 30%, and number of interlace nodes is at least 5 nodes/m and up to 50 nodes/m. 
     
     
         26 . The woven or knitted fabric according to  claim 18 , wherein lightness (cm3/g) is at least 3.0 and up to 6.0, and heat retention (%) is at least 20 and up to 50. 
     
     
         27 . The woven or knitted fabric according to  claim 18 , produced by weaving or knitting and dying yarn comprising a polyamide crimped yarn for clothing comprising a multifilament satisfying conditions (1) to (3):
 (1) monofilament fineness is at least 1.5 dtex and up to 25 dtex,   (2) total fineness is least 400 dtex and up to 1500 dtex, and   (3) the monofilament has a multilobal cross section with three or more lobes and a degree of irregularity of at least 1.5 and up to 5.5,   
       and at least one fiber selected from the following group consisting of natural fibers, synthetic fibers, semi-synthetic fibers, and regenerated fibers:
 natural fibers: wool, cotton, animal hair, or linen, 
 synthetic fibers: polyester or acryl resin which can be dyed with a cationic dye, semi-synthetic fibers: acetate, and 
 regenerated fibers: rayon or cuprammonium rayon. 
 
     
     
         28 . The woven or knitted fabric according to  claim 19 , produced by weaving or knitting and dying yarn comprising a polyamide crimped yarn for clothing comprising a multifilament satisfying conditions (1) to (3):
 (1) monofilament fineness is at least 1.5 dtex and up to 25 dtex,   (2) total fineness is least 400 dtex and up to 1500 dtex, and   (3) the monofilament has a multilobal cross section with three or more lobes and a degree of irregularity of at least 1.5 and up to 5.5,   
       and at least one fiber selected from the following group consisting of natural fibers, synthetic fibers, semi-synthetic fibers, and regenerated fibers:
 natural fibers: wool, cotton, animal hair, or linen, 
 synthetic fibers: polyester or acryl resin which can be dyed with a cationic dye, 
 semi-synthetic fibers: acetate, and 
 regenerated fibers: rayon or cuprammonium rayon. 
 
     
     
         29 . The polyamide crimped yarn according to  claim 13 , wherein the yarn is twisted (net twist), and twist factor (K) represented by equation (1) is at least 300 and up to 35,000
   Twist factor  K=T×D ½  (1)
   T=twist number per yarn length of 1 m, and   D=total fineness (dtex) of the yarn.   
     
     
         30 . The polyamide crimped yarn according to  claim 14 , wherein the yarn is twisted (net twist), and twist factor (K) represented by equation (1) is at least 300 and up to 35,000
   Twist factor  K=T×D ½  (1)
   T=twist number per yarn length of 1 m, and   D=total fineness (dtex) of the yarn.   
     
     
         31 . The polyamide crimped yarn according to  claim 15 , wherein the yarn is twisted (net twist), and twist factor (K) represented by equation (1) is at least 300 and up to 35,000
   Twist factor  K=T×D ½  (1)
   T=twist number per yarn length of 1 m, and   D=total fineness (dtex) of the yarn.