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Method for producing color and differential polyester short fibre by melting body directly spinning online adding technology

A polyester staple fiber, melt direct spinning technology, applied in the direction of melt spinning, staple fiber formation, monocomponent polyester rayon, etc.

Inactive Publication Date: 2007-04-11
ANXING ENVIRONMENT PROTECTION COLOR FIBER CHUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The technical problem to be solved by the present invention is to overcome the many shortcomings and unfavorable factors of the production of colored and differentiated polyester staple fibers by slice spinning, and to provide a fabric with low cost, high output, simple process, easy control of color difference and functional fabrics. Method for producing colored and differentiated polyester staple fibers with melt direct spinning on-line additive technology with good performance, durability and fastness

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Example 1. To produce black polyester staple fiber, the production process is as follows:

[0013] Intrinsic viscosity IV of polyester melt = 0.64dl / g, intrinsic viscosity of masterbatch IV = 0.50dl / g, masterbatch is dried intermittently by vacuum drum at 130°C for 8-10 hours, and the moisture content of masterbatch is guaranteed to be 30ppm. Add the masterbatch to the silo, and send it to the feeding port of the screw extruder by gravity; the screw extruder adopts electric heating, and the heating temperature is: 270-285°C to melt and extrude the modified raw material into the melt of the modified raw material The conveying pipeline is filtered through a 15-25μm melt filter to remove impurities. A gear pump is installed behind the filter to ensure that the melt pressure is ≥ 10Mpa and the melt temperature is 290°C. The gear pump is used for metering to ensure that the masterbatch is added. The proportion is 5% of the weight of the carrier, the melt pressure after the ...

Embodiment 2

[0020] Embodiment 2: produce antibacterial polyester staple fiber.

[0021] Polyester raw material and production process are substantially identical with embodiment 1, and difference is as follows:

[0022] The intrinsic viscosity IV of the antibacterial masterbatch is 0.364dl / g, the color is original white, the water content of the masterbatch is 30ppm after drying, the addition ratio is 6% of the weight of the carrier, the spinning speed is 1050m / min, the spinning temperature is 288°C, and the ring blowing temperature The temperature is 23°C, the wind speed is 0.6m / s, the draw ratio is 4.1, the setting temperature is 160°C, the drawing speed is 270m / min, the oiling rate is 0.15%, and the product quality index is:

[0023] Linear density: 1.56dtex

[0024] Breaking strength: 5.2CN / dtex

[0025] Elongation at break: 28.0%

[0026] Curl: 13.0%

[0027] Cut length: 38mm.

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PUM

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Abstract

The present invention relates to synthetic fiber producing technology, and is direct melt spinning and on-line adding process for producing color and differential short polyester fiber. Technologically, the process includes injecting modifying material through drying, melting, filtering and metering to the polyester melt before entering to the spinning tank; mixing with the melt homogeneously in the static mixer, and spinning the mixture. The said process makes the agglomerate permeating into the inside of fiber easily to produce color fiber and other differential fibers with high quality, high fastness, high water washing resistance, excellent wear resistance, etc.

Description

technical field [0001] The invention belongs to the field of synthetic fiber production methods, and in particular relates to a production process of polyester fibers, in particular to a production and preparation method of colored fibers and functionally differentiated fibers. Background technique [0002] The production of differentiated fibers and colored fibers is a new technology in chemical fiber production. With the rapid development of the chemical fiber industry, the production technology of differential fiber and colored fiber has been paid more and more attention, and the development and application of new production technology has become one of the development trends of the chemical fiber industry. [0003] With the rapid development of science and technology and the change of people's consumption concepts, the pursuit of comfort, high-end, health care, and nature has become a new fashion, and the pursuit of clothing has become diversified and functional, making ...

Claims

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Application Information

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IPC IPC(8): D01D5/08D01D5/26D01F1/10D01F6/62
Inventor 陈建中陈华震董明君张嵘
Owner ANXING ENVIRONMENT PROTECTION COLOR FIBER CHUZHOU
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