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Superfine composite texturing filament and processing technology thereof

A processing technology, a technology of texturing yarn, which is applied in the direction of conjugated synthetic polymer artificial filament, filament/thread forming, melt spinning, etc., can solve the damage of fiber microstructure, limited product variety, and unsatisfactory mechanical properties. Demand and other issues, to achieve the effect of uniform structure and good mechanical properties

Active Publication Date: 2016-08-17
ZHEJIANG GUXIANDAO INC CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] And the prior art such as application number is 032345356, and application number is 2008100636505 then forms superfine fiber by means of sea-island silk spinning method or water-soluble material characteristic, but this mode has special requirement to raw material, and its product variety is limited, and the fiber itself The microstructure is destroyed, and the mechanical properties cannot meet the needs of use

Method used

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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  • Superfine composite texturing filament and processing technology thereof
  • Superfine composite texturing filament and processing technology thereof
  • Superfine composite texturing filament and processing technology thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The spinneret structure of the two-component spinning assembly adopted in this application can be found in figure 1 or figure 2 , wherein the bracket 1 is a six-pointed star or a five-pointed star, and the lobes 2 are distributed around the bracket 1.

[0031] Using modified nylon (COPA) and polyester (PET) as raw materials, in which, combined with image 3 , Modified nylon is melted by crystallization drying-1, screw extruder-1, metered by metering pump-1 and sent to the two-component spinning assembly, at the same time, polyester is crystallized and dried-2, screw extruder- 2 After melting, it is metered by the metering pump-2 and sent to the two-component spinning assembly. After being spun and extruded by the two-component spinning assembly, it is cooled by side blowing, oiled, and then passed through the godet-1, guide The wire reel-2 is sent to POY for winding to form ultra-fine composite stretched yarn of modified nylon and polyester splitting type.

[0032] ...

Embodiment 2

[0037] The setting and working principle of this embodiment are the same as those of Embodiment 1, the difference is that the relative viscosity of COPA is 2.4, the melting point is 200°C, the moisture content of the dry chip is less than 100ppm, the temperature of each zone of the screw is 260-280°C; the intrinsic viscosity of PET is 0.685dl / g, the moisture content of dry slices is less than 50ppm, and the temperature of each zone of the screw is 270-290°C.

[0038] The mass ratio of COPA to PET is 40:60, the cross-section of the fiber is hexagonal star shape, the temperature of the spinning box is 290°C, the wind speed of side blowing is 0.5m / s, and the winding speed is 3000m / min. Polyester-nylon composite POY.

Embodiment 3

[0040] The setting and working principle of this embodiment are the same as those of Embodiment 1, the difference is that the relative viscosity of COPA is 2.4, the melting point is 205°C, the moisture content of the dry chip is less than 100ppm, the temperature of each zone of the screw is 260-280°C; the intrinsic viscosity of PET is 0.685dl / g, the moisture content of dry slices is less than 50ppm, and the temperature of each zone of the screw is 270-290°C.

[0041] The mass ratio of COPA to PET is 50:50, the cross-section of the fiber is hexagonal star shape, the temperature of the spinning box is 295°C, the wind speed of side blowing is 0.6m / s, and the winding speed is 3200m / min, and the splitting speed of 250dtex / 36f is obtained. Polyester-nylon composite POY.

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Abstract

The invention relates to a superfine composite texturing filament and a processing technology thereof, which belong to the technical field of filament yarn generation. The processing technology comprises the following steps of adopting modified nylon and polyester as raw materials; after melting and extruding the two raw materials through different screw extruders respectively, entering a double-component spinning component at the same time; carrying out a high-speed spinning method including cooling, oiling and winding on the sprayed melt to firstly obtain a split partially oriented yarn; then carrying out a texturing process to obtain the superfine composite texturing filament with the modified nylon as a 'support', and the PET (Polyester) as 'shreds'. The processing technology provided by the invention can be applied to the processing of the superfine composite texturing filament, faux suede, waterproof fabrics and the like. The superfine composite texturing filament has the advantages of stiffness and smoothness, compactness, fullness and the like in fabrics.

Description

technical field [0001] The invention relates to an ultrafine composite stretched yarn and a processing technology thereof, belonging to the technical field of filament production. Background technique [0002] The methods for preparing ultrafine fibers by composite spinning mainly include island-in-the-sea composite spinning and split-type composite spinning. Among them, split-type composite spinning is mainly based on polyester-nylon composite spinning, and the incompatibility of polyester and nylon is utilized. The fiber is opened under the action of the subsequent alkali reduction or a certain mechanical force to obtain ultra-fine denier fibers. Compared with ordinary fibers, microfibers have extremely small linear density and high specific surface area. The fabrics woven have the characteristics of high coverage, soft touch, comfortable wearing, and soft colors. They are widely used in suede and imitation peach skin. The production of velvet, microfiber leather base clo...

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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Patent Type & Authority Applications(China)
IPC IPC(8): D01D5/08D01D5/088D01D5/096D01D5/30D02G1/20D01F8/14D01F8/12
CPCD01D5/08D01D5/088D01D5/096D01D5/30D01F8/12D01F8/14D02G1/20
Inventor 沈国光王秀华李为民
Owner ZHEJIANG GUXIANDAO INC CO
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