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Production technology for super-fine denier polyamide fiber

A production process and ultra-fine denier technology, applied in the chemical characteristics of fibers, single-component polyamide rayon, melt spinning, etc., can solve the problems that the quality of traditional process products cannot meet the standard, and achieve the effect of improving product quality

Inactive Publication Date: 2014-08-20
徐伯琴
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

Nylon fiber is also the main raw material for high-end socks. The largest hosiery processing market in my country and even the world produces more than 6 billion pairs of socks annually, accounting for one-third of the total hosiery industry in the world. goods", so that the socks woven downstream are also "mainland goods". Therefore, in order to improve the technical content of socks, it is necessary to develop nylon fibers with high technical content and high added value, especially nylon ultra-fine denier fibers. The market demand is very strong. However, the quality of traditional craft products cannot meet the standards at all.

Method used

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  • Production technology for super-fine denier polyamide fiber

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Embodiment Construction

[0010] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0011] As shown in the drawings: the present invention includes the processes of taking raw and auxiliary materials, drying, blending, melting, filtering, extruding, spinning, reeling, etc. The raw and auxiliary materials include nylon-6 slices and auxiliary agent titanium dioxide, nylon-6 slices The cold water rate is controlled at 300-500PPm, and the titanium dioxide content is controlled at 0.2±0.02%. Because the fiber fineness is relatively fine, it is beneficial to ensure that the fiber has sufficient toughness during spinning; the spinning temperature in the spinning process is 255-265 ° C, The spinning speed is 400-4200m / min; the filter screen in the filtration process adopts 60-80 mesh metal sand components, and the pressure is controlled at 10-11.5MPa.

[0012] The fineness of the fiber made by the above process meets the standard requi...

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Abstract

The invention discloses a production technology for a super-fine denier polyamide fiber good in quality. The production technology comprises the steps such as raw auxiliary material obtaining, drying, blending, fusing, filtering, extruding, spinning and coiling. The raw auxiliary materials comprise a polyamide-6 granula and assistant titanium dioxide, the cold water rate of the polyamide-6 granula is controlled in the range from 300 PPm to 500 PPm, and the content of the titanium dioxide is controlled in the range of 0.2+ / -0.02%. In the spinning process, the spinning temperature ranges from 255 DEG C to 265 DEG C, and the spinning speed ranges from 400 m / min to 4,200 m / min. The production technology is suitable for producing the super-fine denier polyamide fiber.

Description

technical field [0001] The invention relates to a nylon superfine denier fiber, in particular to a process suitable for producing the nylon superfine denier fiber. Background technique [0002] Nylon fiber has important uses in clothing and industrial applications due to its excellent strength, abrasion resistance, elastic recovery rate, and wet absorption. Nylon fiber is also the main raw material for high-end socks. The largest hosiery processing market in my country and even the world produces more than 6 billion pairs of socks annually, accounting for one-third of the total hosiery industry in the world. goods", so that the socks woven downstream are also "mainland goods". Therefore, in order to improve the technical content of socks, it is necessary to develop nylon fibers with high technical content and high added value, especially nylon ultra-fine denier fibers. The market demand is very strong. However, the quality of traditional handicraft products cannot reach the s...

Claims

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Application Information

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IPC IPC(8): D01D5/08D01F1/10D01F6/90
Inventor 徐胜良
Owner 徐伯琴