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Blended spinning method of long spinning and damp spinning for bast fibers

A kind of fiber and bast technology, which is applied in the field of bast fiber long-spinning wet spinning blending, can solve the problems of not developing a variety of flax products, the function of blended fibers cannot be fully exerted, and the performance damage of blended fibers such as elongation , to achieve the effect of improving spinnability and product quality, alleviating the shortage of raw materials, and smoothing the yarn body

Active Publication Date: 2009-04-29
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the existing flax wet-spun blending has the following problems: in order to remove the colloid and impurities in the flax fiber and improve the splitting degree and whiteness of the flax fiber, after the roving process, the roving made by blending must be boiled and bleached, that is, blending The fiber should be scoured and bleached together with the flax fiber, and the auxiliary agents such as acid, alkali and oxidant in the scorching and bleaching reagent will damage the strength and elongation of the blended fiber, and the effect of the blended fiber cannot be fully exerted. Affect the properties of blended yarn
[0004] Due to the existence of the above problems, the existing flax wet-spinning and blending method cannot give full play to the excellent characteristics of various fibers, is not suitable for the production of high-count, high-end products, and is not conducive to the diversified development of flax product varieties, which limits to a large extent It hinders the promotion and application of flax products and restricts the development of flax industry

Method used

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  • Blended spinning method of long spinning and damp spinning for bast fibers
  • Blended spinning method of long spinning and damp spinning for bast fibers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The 22tex flax long linen 55 / polyester 45 blended yarn is spun by the present invention. The process is as follows: before spinning, in order to improve the softness and strength of the flax fiber, the flax is sprayed with emulsion, humidified and maintained for 18-24 hours, and then combed into long flax by combing machine. Comb long hemp through physical experiments to determine various technical indicators, blend hemp on the sliver machine, and initially form hemp sliver, the hemp sliver is made into roving on the long hemp roving frame after five draws, after the roving is boiled and bleached Mix with polyester filaments and nylon filaments on the short linen wet spinning frame, dry, and wind to make blended yarns.

[0023] like figure 1 As shown, it is a schematic diagram of the blending of flax roving and polyester roving. The mixing method of flax roving and polyester roving is: after the flax roving 9 is boiled and bleached, it enters the spinning frame togethe...

Embodiment 2

[0027] Adopt the present invention to spin 30tex linen 60 / viscose 40 blended yarns. The process is as follows: before spinning, in order to improve the softness and strength of the hemp fiber, the hemp is sprayed with emulsion, humidified and maintained for 18-24 hours, and then combed into a long hemp by combing machine. The combed long flax is determined through physical experiments to determine various technical indicators, and the flax is blended on the sliver machine to initially form a flax sliver. The back roller 6 is fed together with the viscose roving on the spinning frame, wherein the viscose roving does not pass through the water tank, and the method in Example 1 is used for drafting on the spinning frame, drying, and winding to obtain a flax / viscose blend Yarn, its quality is shown in the table below:

[0028]

Embodiment 3

[0030] Using the present invention to spin 25tex flax 50 / polyester 50 blended yarn, the process is as follows: before spinning, in order to improve the softness and strength of the flax fiber, spray the emulsified emulsion for 18-24 hours, and then use the comb The carding machine is combed into combed long flax, and the combed long flax combed by the combing machine is determined through physical experiments. The technical indicators are determined on the sliver machine, and the flax is initially formed. The roving is made on the long hemp roving frame, and then mixed with polyester filaments on the long hemp wet spinning frame, dried and wound to make a blended yarn.

[0031] like figure 2 As shown, it is a schematic diagram of flax roving and polyester filament blending. The mixing method of flax roving and polyester filament is: the flax roving 11 passes through the water tank 7 (which is provided with a guide roller 8) after the boiling and bleaching process, and then pa...

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Abstract

The invention provides a method integrated with long spinning, wet spinning and blended spinning for bast fibers. The method comprises the following steps: the bast fibers are scotched into flax; the flax is humidified and soaked for a period of time; the flax is carded into long flax; and the long flax is subjected to matching, silvering, drawing, roving, scouring, bleaching, spinning, drying and winding. The method is characterized in that after the bast fibers are bleached, the obtained rove of the bast fibers and rove or filaments of other fibers are blended on a spinning machine. With the method, blended fibers are not bleached and scoured together with the bast fibers, so the defect that the performance of blended yarn is affected due to the damage of bleaching and scouring agents to the blended fibers in the prior wet spinning and blended spinning is overcome, and the obtained blended yarn has the characteristics of bright and clean yarn body, less hairness, evenness and good wear resistance. In addition, the method can fully play a role in respective advantages of the bast fibers and the blended fibers, complement respective disadvantages of the bast fibers and the blended fibers, has simple process, is favorable for improving the quality of blended yarn of the bast fibers, and realizes the high count, high grade and diversification of varieties of the bast fibers.

Description

technical field [0001] The invention relates to a long-spinning wet-spinning and blending method of bast fibers, which belongs to the technical field of textile engineering. Background technique [0002] Flax wet-spinning blended yarn is carried out on flax wet-spinning process equipment, but due to the particularity of flax spinning process and equipment, wet-spun blending of flax is difficult, and there are few studies on it. At present, a very small amount of reported flax long-spinning wet-spun blending is in the form of sliver blending, that is, long or short hemp slivers are used with wool fibers, silk fibers, chemical fibers and other new fibers on a drawing frame or a carding machine. It is spun in a blended way to form a blended linen strip. Among them, the long-spinning wet-spinning blending process is: breaking bast fibers into hemp for carding, slivering, drawing, mixing (hemp and other fiber strips), roving, boiling and bleaching, spinning, drying and winding ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D02G3/04
Inventor 梁红英田喆张娜郁崇文
Owner DONGHUA UNIV
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