Method for preparing multi-component composite fibers

A composite fiber and multi-component technology, applied in fiber processing, fiber chemical characteristics, rayon manufacturing, etc., can solve problems such as lack of intellectual property rights

Inactive Publication Date: 2013-12-11
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the development of multi-component fiber products in my country is mainly throug

Method used

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  • Method for preparing multi-component composite fibers
  • Method for preparing multi-component composite fibers
  • Method for preparing multi-component composite fibers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] 1) if figure 1 , The present invention adopts such process steps: slice selection and drying→screw extruder→filter→spinning box→metering pump→composite spinning assembly→side blowing cooling device→gode roll→coiler. The raw materials are polyester chips, polyamide and polypropylene with similar spinning temperature, and are dried by vacuum drying system. The drying temperature is generally 160°C-170°C, and the drying time is 7-8 hours. The control of silk temperature is shown in Table 1. The cooling process uses a side blowing device for cooling. The wind pressure of this device is ≥0.45m / s, the relative humidity is 65%RH±2%RH, the wind temperature is 25°C±0.5°C, and the wind speed The air outlet is 0.5m / s, and the distance between the air outlet and the plate surface is 150mm. Finally, it is wound into a tube by a high-speed winding machine with a winding speed of 3010m / min.

[0063] 2) if Figures 2 to 5 As shown, a spinning pack for producing three-component paral...

Embodiment 2

[0075] 1) if figure 1 , The present invention adopts such process steps: slice selection and drying→screw extruder→filter→spinning box→metering pump→composite spinning assembly→side blowing cooling device→gode roll→coiler. The raw materials are polyester chips, polyamide and polypropylene with similar spinning temperature, and are dried by vacuum drying system. The drying temperature is generally 160°C-170°C, and the drying time is 7-8 hours. The control of silk temperature is shown in Table 1. The cooling process uses a side blowing device for cooling. The wind pressure of this device is ≥0.45m / s, the relative humidity is 65%RH±2%RH, the wind temperature is 25°C±0.5°C, and the wind speed The air outlet is 0.5m / s, and the distance between the air outlet and the plate surface is 150mm. Finally, it is wound into a tube by a high-speed winding machine with a winding speed of 3010m / min.

[0076] 2) if Figures 7 to 10 As shown, a spinning assembly for producing three-component ...

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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Abstract

The invention relates to a method for preparing multi-component composite fibers. The method includes the steps that after vacuum drying is conducted on three polymer slices, the three polymer slices are respectively conveyed to three screw extruders for fusion, melts of the three polymer slices are obtained, then, composite spinning and cross air blast cooling are conducted, nascent fibers are obtained, eventually, the nascent fibers are wound into cylinders by a winding machine through tension control of a godet, and the multi-component composite fibers are obtained. The three-component composite fibers of different varieties can be produced by changing varieties of melts or adding color master batches of different colors in components, the method can be applied to the anti-fake field, and the anti-fake effect of the three-component composite anti-fake fibers is obviously improved compared with the anti-fake effect of single-component fibers and the anti-fake effect of bi-component composite fibers.

Description

technical field [0001] The invention belongs to the field of preparation of fiber materials, in particular to a preparation method of multi-component composite fibers. Background technique [0002] With the continuous advancement of science and technology, the current ordinary fibers can no longer meet people's needs, and the further development direction of fibers in the future is multi-component fibers and nanofibers. [0003] Multi-component composite fiber is to input the melt or concentrated solution of two or more fiber-forming high polymers into the same spinning assembly according to the difference in components, proportions and viscosities, and meet at the appropriate part of the assembly. , which are sprayed out in the same spinneret hole to form a fiber, so that two or more polymers can exist on an infinitely long fiber at the same time. Multi-component composite fibers can be divided into five categories according to the cross-sectional shape: co-spun type, side...

Claims

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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Application Information

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IPC IPC(8): D01D5/32D01F8/14D01F8/06D01F8/12D01F1/02D01D5/088
Inventor 甘学辉王磊马晓建杨崇倡纪俊洋刘婷婷
Owner DONGHUA UNIV
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