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A kind of core sheath composite fiber and its manufacturing method and textile

A composite fiber, core sheath technology, applied in textiles and papermaking, fiber processing, conjugated synthetic polymer rayon, etc., can solve problems such as poor moisture absorption, and achieve excellent moisture absorption, good hand feel, and high strength.

Active Publication Date: 2022-03-22
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, through the data of its examples, for example, Example 2 shows that when the area ratio of the core and the skin is 1 / 2, the difference in moisture absorption rate is 7.7%, and the initial frictional voltage is 1830V. It can be seen that it absorbs moisture performance and antistatic properties still need to be further improved

Method used

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  • A kind of core sheath composite fiber and its manufacturing method and textile
  • A kind of core sheath composite fiber and its manufacturing method and textile
  • A kind of core sheath composite fiber and its manufacturing method and textile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] First, the sheath is divided into a polyamide 6 and a block amide copolymer obtained by co-polymerization of the lactam, terephthalic acid, and polyethylene glycol, and the core component is depressed after 8 hours after drying at a temperature of 120 ° C. The silo, the core sheath ratio 30 / 70, each screw temperature is 260 ~ 275 ° C, and the metering pump is controlled by the spinning box, the spinning assembly, and finally extruded, cooling, giving oil, handling. The formation of FDY core-sheath composite fibers were obtained by puncturing (4460 m / min). After testing, the resulting fibers had a fracture strength of 3.85 cn / dtex, and the elongation at break was 38.4%.

[0042] After the core sheath composite fibers were textile, the textile was dyed at 90 ° C for 20 min, and the dye absorbance reached 90%, and its light resistance, friction color fastness was 4. The moisture absorption rate Δmr of the textile is 8.2%, and the friction is 1.50kV, and the phenol yellow i...

Embodiment 2

[0044]First, the sheath is divided into a polyamide 6 and a block amide copolymer obtained by co-polymerization of the lactam, terephthalic acid, and polyethylene glycol, and the core component is depressed after 8 hours after drying at a temperature of 120 ° C. The silo, the core sheath ratio 40 / 60, each screw temperature is 260 ~ 275 ° C, and the metering pump is controlled by the spinning box, the spinning assembly, and finally extruded, cooling, giving oil, handling, The formation of FDY core-sheath composite fibers were obtained by puncturing (4460 m / min). After testing, the resulting fiber had a fracture strength of 3.65 cn / dtex, and the elongation at break was 37.4%.

[0045] After the core sheath composite fibers were textile, the textile was dyed at 90 ° C for 20 min, and the dye absorbance reached 90%, and its light resistance, friction color fastness was 4. The moisture absorption rate Δmr of the textile is 10.5%, the friction resistance is 1.30kV, and the phenol ye...

Embodiment 3

[0047] First, the sheath is divided into a polyamide 6 and a block amide copolymer obtained by co-polymerization of the lactam, terephthalic acid, and polyethylene glycol, and the core component is depressed after 8 hours after drying at a temperature of 120 ° C. The silo, the core sheath ratio 50 / 50, each screw temperature is 260 ~ 275 ° C, controlled by the metering pump, passed through the spinning box, the spinning assembly, and finally extruded, cooled, give oil, hand The formation of FDY core-sheath composite fibers were obtained by puncturing (4460 m / min). After testing, the resulting fiber was found to be 3.45 cn / dtex, and the elongation was 36.4%.

[0048] After the core sheath composite fibers were textile, the textile was dyed at 90 ° C for 20 min, and the dye absorbance reached 90%, and its light resistance, friction color fastness was 4. The moisture absorption rate Δmr of the textile is 12.7%, and the friction-resistant voltage is 0.90 kV, and the phenol yellow i...

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Abstract

The invention discloses a core-sheath composite fiber and its manufacturing method and textiles. The core-sheath composite fiber is composed of a core layer and a sheath layer, wherein the core component is a block amide copolymer, and the block amide copolymer contains at least poly(caprolactone) The amide structural unit, the terephthalic acid structural unit and the polyethylene glycol structural unit, the sheath component is polyamide; the composite composition ratio of the core component and the sheath component is 10 / 90-70 / 30. The core-sheath composite fiber textile of the invention has excellent hygroscopicity, antistatic property and yellowing resistance.

Description

Technical field [0001] The present invention relates to a high strength core-sheath composite fiber having excellent moisture absorbing, antistatic properties and 黄 resistance. Background technique [0002] The polyamide fiber is one of the large chemical fibers having a high resistance, bend resistant, not easily destroyed, and has excellent dyeing, and has excellent processing property, and is therefore widely used in the clothing market. And fine fibers of fine fibers have a soft feel, comfortable, and is used to make a close-fitting clothing. The polyamide fiber is not easily absorbed, and the moisture can be faster after moisture, and it is better in synthetic fibers, but moisture absorption is much different compared to natural fibers such as cotton. And it is easy to charge, there is a problem that it is easy to bring uncomfortability caused by static electricity. In addition, the resistance of the polyamide fiber is poor, such as when the outdoor long time is irradiated w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01F8/12D01D5/34C08G69/44
CPCD01D5/34D01F8/12C08G69/44
Inventor 周豪亮吉宫隆之黄儒
Owner TORAY FIBER RES INST(CHINA) CO LTD