Air-jet production method for functional non-woven fabrics

A non-woven fabric and functional technology, which is applied in the treatment of non-woven fabrics, textiles, papermaking, and textile materials, can solve the problems of inability to carry out large-scale production and difficulty in practical application, and achieve short finishing process and improved production Environment, effect of water removal reduction

Inactive Publication Date: 2019-10-25
SHENZHEN PURCOTTON TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to fill in the gaps in the prior art, overcome the defects and problems existing in the prior art that are difficult to be practically applied and unable to carry out large-scale production, and provide a method capable of large-scale production of functional nonwovens by air-punching

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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Use natural cotton as raw material to produce functional non-woven fabric by air puncture

[0058] The cotton is domestic Xinjiang without "three silks" cotton, the grade is 2 flowers, the length grade is 28mm, the micronaire value is A grade, the functional non-woven fabric specification is the fiber web design width is 3m, and the fiber web unit area weight is 18g / m 2 .

[0059] The equipment for the air-entanglement production of functional nonwoven materials is: cotton grabber, cotton opener, cotton blender, cotton cleaner, carding machine, netting machine, impregnation type functional finishing machine, air-entanglement machine, dryer and Winding machine.

[0060] The grabbing machine, also known as the bale grabbing machine, is the first piece of equipment that grabs cotton fibers from the bales. In this embodiment, the cotton grabbing machine adopts a reciprocating grabbing machine, which generally uses blade (or saw blade) beaters and ribs to grab cotton fibers from...

Embodiment 2

[0074] Replace the immersion type functional finishing machine of Example 1 with a spraying type functional finishing machine. The finishing machine is composed of a liquid tank-pipe-spray head. The compacted fiber web is introduced into the finishing machine through a net curtain, and the liquid tank is placed in the function finishing liquid. , The finishing liquid is delivered to the nozzle through the pressure pipe, and the fiber web is sprayed to make the fiber web fully wet. The sprayed wet web is then air-jetted. The pressure of the compressed air is 2.2 MPa, and the air jet ejected by the air puncture needle forms a vortex, and the distance between the air puncture needle and the wet fiber web is 8 mm. The functional finishing liquid contains antibacterial ingredients to make the product have antibacterial function. The other steps are the same as in Example 1.

Embodiment 3

[0076] The immersion type functional finishing machine of Example 1 is replaced with a screen printing drum, the functional finishing liquid is introduced into the drum, and the compacted fiber web is introduced into the finishing machine through the net curtain, so that the finishing liquid permeates from the printing net. The fibers are fully wetted. The wet web after wetting is then air-jetted. The air pressure of the compressed air is 1.2MPa, the airflow jetted by the air-needling needle forms a turbulent flow, and the distance between the air-needling needle and the wet fiber web is 12mm. The functional finishing liquid contains anti-wrinkle ingredients to make the product have anti-wrinkle function. The other steps are the same as in Example 1.

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Abstract

The invention belongs to the technical field of production and manufacturing of non-woven fabrics, and particularly relates to an air-jet production method for functional non-woven fabrics. The methodcomprises the following steps: S1, combing: combing fibrous materials to form single-layer or multi-layer fiber webs; S2, web laying: laying the fiber webs by an overlapped straight laying manner ora cross laying manner; S3, functional finishing: finishing the fiber webs with a functional finishing liquid; S4, air jetting: entangling fibers in the fiber webs into cloth by air jet; S5, drying. Compared with water-jet non-woven fabrics, the air-jet non-woven fabrics have the advantages that fibers to be reinforced are moistened by the functional finishing liquid, a large amount of high-pressure water is not required, and special water treatment is not required, so that the air-jet production method is more energy-saving and environmentally friendly; during air-jet production, mechanical squeeze to the fiber webs is avoided, therefore, the filling power of finished products is improved, inherent softness of the fiber webs is maintained, the final products touchgood andhave good drapability, and functional performance is provided for the fiber material by finishing with a functional liquid.

Description

Technical field [0001] The invention belongs to the technical field of non-woven fabric production and manufacturing, in particular to a method for producing functional non-woven fabrics by air puncture. Background technique [0002] The concept of "spunlace fabric" in the non-woven field comes from the mechanical needle punching process. The so-called "jet-spun web" is to use high-pressure water to pierce the fiber web to make the fibers intertwined, so that the original loose fiber web has a certain strength and complete structure. The technological process is: fiber metering and mixing-opening and removing impurities-mechanical messy carding into a net-fiber web pre-wetting-water needle entanglement-surface treatment-drying-winding-inspection-packaging and storage. The spunlace device uses high-speed and high-pressure water jets to inject the fiber web to rearrange and entangle the fibers in the fiber web to become a non-woven fabric with a complete structure, certain strengt...

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): D04H1/4382D04H1/492D04H1/70D06B1/02D06B1/14D06B3/10
CPCD04H1/4382D04H1/492D04H1/70D06B1/02D06B1/14D06B3/10
Inventor 李建全唐黛李建强宋海波杨鑫权
Owner SHENZHEN PURCOTTON TECH
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