US2025288040A1PendingUtilityA1

Artificial hair

Assignee: KANEKA CORPPriority: Apr 27, 2022Filed: Mar 28, 2023Published: Sep 18, 2025
Est. expiryApr 27, 2042(~15.7 yrs left)· nominal 20-yr term from priority
Inventors:Kenji Miyaki
D01F 6/10D02G 3/025D02G 3/44D04C 1/02D01D 5/253A41G 3/0083D10B 2321/041D10B 2503/08D10B 2401/04A41G 5/004D02G 3/02A41G 5/00D04B 21/20A41G 3/00D04C 1/12
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Claims

Abstract

The present invention provides artificial hair having a fluffy and voluminous shape by being immersed in hot water. The artificial hair includes a fiber cord in which one or a plurality of fiber bundles are braided, helically wound, or fixed at intervals with a plurality of fixtures, and has a configuration in which the fiber bundle includes at least first fibers and second fibers having different softening temperatures, and the fiber cord has a plurality of processing regions in a middle section in a longitudinal direction, and in the fiber cord, the number of the processing regions is five or more, and the arithmetic average length of the plurality of processing regions in the longitudinal direction in a suspended state is 0.7 cm or more and 6 cm or less.

Claims

exact text as granted — not AI-modified
1 . Artificial hair comprising:
 a fiber cord in which one or a plurality of fiber bundles are braided, helically wound, or fixed at intervals with a plurality of fixtures, wherein   the fiber bundle includes at least first fibers and second fibers having different softening temperatures,   the fiber cord has a plurality of processing regions in a middle section in a longitudinal direction,   the plurality of processing regions are any of a region between stitches, a region corresponding to a helical pitch, and a region between the fixtures, adjacent in the longitudinal direction, and   in the fiber cord, a number of the processing regions is five or more, and an arithmetic average length of the plurality of processing regions in the longitudinal direction in a suspended state is 0.7 cm or more and 6 cm or less.   
     
     
         2 . The artificial hair according to  claim 1 , wherein
 the first fibers have a heat shrinkage rate of 5% or less when heated at 90° C. for 10 seconds, and   the second fibers have a heat shrinkage rate of 10% or more when heated at 90° C. for 10 seconds.   
     
     
         3 . The artificial hair according to  claim 2 , wherein the first fibers and the second fibers are both made of polyvinyl chloride fibers. 
     
     
         4 . The artificial hair according to  claim 2 , wherein
 the first fibers have a softening temperature exceeding 100° C., and   the second fibers have a softening temperature of less than 80° C.   
     
     
         5 . The artificial hair according to  claim 2 , wherein an amount of the second fibers is 10 parts by mass or more and 50 parts by mass or less with respect to 100 parts by mass of a total of the first fibers and the second fibers. 
     
     
         6 . The artificial hair according to  claim 2 , wherein an amount of the first fibers is 50 parts by mass or more and 90 parts by mass or less with respect to 100 parts by mass of a total of the first fibers and the second fibers. 
     
     
         7 . The artificial hair according to  claim 1 , wherein in the fiber cord, the number of the processing regions is ten or more, and the arithmetic average length of the plurality of processing regions in the longitudinal direction in the suspended state is 5 cm or less. 
     
     
         8 . The artificial hair according to  claim 1 , wherein when the artificial hair was heated at 90° C. for 10 seconds, a volume change rate before and after heating is 160% or more, and a density after heating is 0.07 g/cm 3  or more.

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