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PBT (polybutylene terephthalate) modified fiber and production method of PBT modified fiber

A modified fiber and production method technology, applied in the field of fiber, can solve the problems of high price of acrylic fiber, increase of manufacturing cost of production enterprises, and decrease of profit, and achieve the effects of good color fastness, good resilience and strong stain resistance

Active Publication Date: 2012-07-25
NANTONG HONGXIN FIBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the price of acrylic fibers currently on the market is relatively expensive, resulting in increased manufacturing costs and reduced profits for manufacturers.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A production method of PBT modified fiber, the process is as follows: First, mix the following components according to the weight ratio: PET: 40%, PBT: 60%; then use a drum to dry the above components, and the temperature is controlled at 100°C , to ensure that the water content of each component is less than 50ppm; melt the dried components through a screw to prepare a melt, and adjust the screw temperature to 260°C to make each component achieve sufficient fluidity without degradation; and Under the force of the screw extruder, the molten raw material is smoothly extruded into filaments through the metering pump and components; while extruding the filaments, a low-damping open ring blower is used to rapidly cool the filaments, so that the filaments are Rapid solidification in the environment of large air volume circulating air; the cured filaments are bundled by a winding machine, and QL-108 spinning oil is supplied to the filaments during the bundle process, and the s...

Embodiment 2

[0025] A production method of PBT modified fiber, the process is as follows: First, the following components are mixed according to the weight ratio: PET: 45%, ECDP: 20%, PBT: 35%; then use the drum to dry the above components, The temperature is controlled at 110°C to ensure that the water content of each component is less than 50ppm; the dried components are melted by a screw to prepare a melt, and the temperature of the screw is adjusted to 290°C so that each component can reach a sufficient temperature without degradation. Fluidity; and under the force of the screw extruder, through the metering pump and components, the molten raw material is smoothly extruded into the filament; while extruding the filament, a low-damping open ring blower is used to rapidly cool the filament , so that the filaments can be quickly solidified in the environment of large air volume circulating air; the cured filaments are bundled by a winding machine, and QL-108 spinning oil is supplied to the...

Embodiment 3

[0027] A production method of PBT modified fiber, the process is as follows: firstly mix the following components according to the weight ratio: PET: 50%, ECDP: 40%, PBT: 10%; then use the drum to dry the above components, The temperature is controlled at 135°C to ensure that the water content of each component is less than 50ppm; the dried components are melted by a screw to prepare a melt, and the temperature of the screw is adjusted to 310°C so that each component can reach a sufficient temperature without degradation. Fluidity; and under the force of the screw extruder, through the metering pump and components, the molten raw material is smoothly extruded into the filament; while extruding the filament, a low-damping open ring blower is used to rapidly cool the filament , so that the filaments can be quickly solidified in the environment of large air volume circulating air; the cured filaments are bundled by a winding machine, and QL-108 spinning oil is supplied to the fila...

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PUM

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Abstract

The invention relates to a PBT (polybutylene terephthalate) modified fiber, which comprises the following components in percentage by weight: 40-50% of PET (polyethylene terephthalate), 0-50% of ECDP (easy cationic dyeable poly(ethylene terephthalate)) and 10-60% of PBT. The invention also relates to a production method of the PBT modified fiber, which comprises the following steps: mixing and drying the above components, wherein the moisture content of each component must be less than 50ppm; fusing the dried components so as to prepare a melt, and extruding the fused raw materials into filaments under the action of a screw extruder; bundling the filaments through a winding machine and performing back draft in the condition of keeping the idle speed of the bundling; heating filament tows through a drafting bath and a steam heating box, and mechanically crimping yarn sheets through a crimping machine; realizing a semi-relaxed state by a relaxation heat-setting machine, ensuring a own modified state and eliminating stress; and cutting off the yarn sheets through a cutting machine as the requirements of customers, delivering to a packaging machine through a blower and then packaging into a finished product. The fiber made by the method of the invention has the characteristics of being soft in handfeel, good in resilience force, easy to dye under the normal temperature and pressure, good in color firmness, strong in fouling resistance and so on.

Description

technical field [0001] The invention relates to a fiber, in particular to a PBT modified fiber. [0002] The invention also relates to a production method of PBT modified fiber. Background technique [0003] Acrylic fibers are widely used, mostly for wool, blankets, knitted sportswear, tarpaulins, curtains, artificial fur, plush and so on. However, the price of acrylic fibers on the market is relatively expensive at present, which leads to increased manufacturing costs and reduced profits for manufacturers. Therefore, a new technical solution is needed to solve the above technical problems. Contents of the invention [0004] The purpose of this invention is to provide a kind of PBT modified fiber and its production method, the fiber prepared by this kind of method can replace acrylic fiber, but the price is relatively cheap, easy to large-scale production. [0005] The technical scheme adopted in the present invention is: [0006] A kind of PBT modified fiber, it compr...

Claims

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Application Information

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IPC IPC(8): D01F8/14D01D1/04D01D5/092D01D5/096D02J1/22D02J13/00D01G1/00
Inventor 缪爱国林云长林爱珍霍玉忠杨爱民徐焕明
Owner NANTONG HONGXIN FIBER
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