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Cellulose-based yarn, and method of preparing the same

A cellulose-based fiber, cellulose technology, applied in the field of cellulose fibers, can solve the problems of unknown industrial cellulose fibers, etc.

Inactive Publication Date: 2011-10-26
KOLON IND INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, spinning oil components suitable for industrial cellulosic fibers that are hydrophilic and spun by solution spinning are not known

Method used

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  • Cellulose-based yarn, and method of preparing the same
  • Cellulose-based yarn, and method of preparing the same
  • Cellulose-based yarn, and method of preparing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] With NMMO / H 2 A solvent mixture of O (90 / 10, w / w) was mixed with a slurry having an average degree of polymerization (DPw) of 1200, including 97% α-cellulose, to prepare an 11% by weight cellulose solution.

[0073] The cellulose solution was spun with a spinning die, wherein 1000 spinning nozzles were formed on the spinning die, and the diameter of the spinning nozzles was 200 μm to form cellulose fine filament fibers , the length / diameter ratio of the spinneret is 2, and the outer diameter of the spinneret is 150mm. At this time, the temperature of the spinneret was maintained at 110° C., and the discharge amount and spinning speed were controlled so that the final total denier of the filaments was 1500.

[0074] Unsolidified fine filament fibers discharged from the spinneret pass through an air gap and a solidification solution, wherein the temperature of the solidification solution is 20°C, and the concentration of the solidification solution is controlled to maint...

Embodiment 2

[0081] Lyocell yarns were prepared substantially in the same manner as in Example 1, except that the oil content of the spinning oil emulsion was 11% by weight.

[0082] At this time, the oiling unit (OPU) attached to the lyocell filament fibers was 1 part by weight based on 100 parts by weight of the filament fibers.

Embodiment 3

[0084] A lyocell yarn was prepared substantially according to the same method as in Example 1, except that the oil content of the spinning oil emulsion was 11% by weight, and the rotation speed of the oiling roll was 50 rpm.

[0085] At this time, the oiling unit (OPU) attached to the lyocell filament fibers was 2 parts by weight based on 100 parts by weight of the filament fibers.

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Abstract

The present invention relates to a cellulose-based yarn and a method of preparing the same, and more particularly to a cellulose based yarn including cellulose-based fibers and a di-ester compound represented by Chemical Formula 1 of the specification, and a method of preparing the same. The cellulose-based yarn is excellent in lubricity and durability, and has a good strength-maintaining rate during a twisting process.

Description

technical field [0001] The present invention relates to cellulose fibers and methods for their preparation, and more particularly to cellulose fibers having excellent strength retention during a twisting process, and methods for their preparation. Background technique [0002] Cellulose has a crystalline structure formed by strong hydrogen bonds between molecular chains or inside molecular chains, so it is difficult to dissolve cellulose with general solvents. Generally, N-methylmorpholine-N-oxide (hereinafter referred to as "NMMO") capable of breaking the crystal structure may be used as a solvent for dissolving cellulose. [0003] The process of producing cellulose fibers by using a solution of cellulose dissolved in NMMO has the advantage of less energy consumption and less water consumption than the general process for producing polyester and viscose rayon because NMMO is recyclable. Furthermore, the process using NMMO has less air pollution or water pollution problems ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L1/02D01F2/02C08K5/00
CPCC08B1/003C08K5/103C08K5/17D01F2/00D01F11/02D06M7/00D06M13/17D06M13/224D06M15/53D06M2101/06D06M2200/40C08L1/02
Inventor 文相贤朴贤贞吴永世
Owner KOLON IND INC