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Split composite fiber and ultrafine fiber fabric

A technology of superfine fiber fabrics and composite fibers, which is applied in the direction of conjugated synthetic polymer artificial filaments, etc., can solve the problems of general separability, etc., and achieve the effect of eliminating the difficulty of carding and making the fabric feel soft

Inactive Publication Date: 2013-05-29
TORAY FIBER RES INST(CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, polyolefin or ordinary polyester and polyamide compound segmented fibers have general segmentability and need to rely on strong alkali treatment conditions.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Split composite fiber and ultrafine fiber fabric
  • Split composite fiber and ultrafine fiber fabric
  • Split composite fiber and ultrafine fiber fabric

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] After drying, the modified copolyester chips and nylon 6 chips with moisture less than 100ppm are passed through the screw extruder to make them into a molten state, and flow into the metering pump. Modified copolyester chips and nylon 6 chips are melted at 285°C and 255°C respectively, and are extruded into filaments through a specially designed 36-hole three-split spinneret. The composite ratio of nylon 6 and modified copolyester is 70:30, the coiling speed is 4000m / min, the temperature of the first hot roller is 70°C, the temperature of the second hot roller is 160°C, the first hot roller and the second hot roller The magnification between the hot rollers is 1.5, and the fineness of the spun raw yarn is 56.0dtex. The modified copolyester in the cross-section of the raw yarn shows a continuous distribution, and nylon 6 shows a discontinuous distribution state in three divided pieces.

[0050] The comonomer of modified copolyester is polyethylene glycol and sodium m-to...

Embodiment 2

[0055] Except that the composite ratio of nylon 6 and modified copolyester was adjusted to 80:20, other conditions were the same as in Example 1. See Table 1 for the specific data of the weight reduction results of the fabric made from this fiber.

Embodiment 3

[0057] Except that the composite ratio of nylon 6 and modified copolyester was adjusted to 50:50, other conditions were the same as in Example 1. See Table 1 for the specific data of the weight reduction results of the fabric made from this fiber.

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Abstract

The invention discloses a split composite fiber which comprises fatty polyamide and modified copolyester. The fatty polyamide is used as a first component, the modified copolyester is used as a second component, and the weight ratio of the first component to the second component ranges from 80%:20% to 20%:80%; the second component is distributed on the cross section of a composite fiber in a continuous phase manner and divides the first component, and the first component is distributed on the cross section of the composite fiber in a discontinuous phase manner. The split composite fiber has the advantages that the fatty polyamide and the modified copolyester are subjected to composite spinning to obtain the split composite fiber, and can be sufficiently peeled off after a fabric manufactured by the split composite fiber is subjected to aqueous alkali de-weighting treatment, so that the ultrafine fiber fabric is obtained, and the ultrafine fiber fabric can be dyed uniformly, has wicking and quick-dry properties and feels soft.

Description

technical field [0001] The invention relates to a segmented composite fiber and a superfine fiber made therefrom, in particular to a polyester-nylon composite fiber and a superfine fiber fabric made therefrom. Background technique [0002] However, in recent years, with the development of various microfibers, the demand for high-grade woven fabrics and high-grade artificial leather has expanded rapidly. For example, split-type composite fibers composed of polyamide and polyester can be split into two components after physical or chemical treatment, and the split fine denier fibers have small bending stiffness and large bending deflection due to their small diameter. The fiber feels very soft; the specific surface area of ​​fine denier fiber is large, so the coverage, bulkiness and warmth retention of the fabric are significantly improved; the specific surface area of ​​the fiber is large, and the number of times of contact with dust or oil is more, and the oil is removed fro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F8/12D01F8/14
Inventor 曹海兵藤森稔
Owner TORAY FIBER RES INST(CHINA) CO LTD
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