Breathable and dry double-layer non-woven fabric and processing technology thereof

A processing technology and non-woven technology, applied in the field of non-woven fabrics, can solve the problems of dry surface of non-woven fabrics and reverse osmosis.

Active Publication Date: 2021-07-30
CHTC JIAHUA NONWOVEN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The feature of this product is that it is relatively light and thin, and has hygrosc...

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

[0034] The processing technology of a breathable and dry double-layer non-woven fabric is formed by compounding the surface layer and the bottom layer through hot air, wherein the surface layer is prepared by the following method:

[0035] (A) Cotton fibers are first modified with mercapto groups using 3-mercaptopropyltriethoxysilane to obtain pre-modified cotton fibers;

[0036] (B) Then, the pre-modified cotton fiber is subjected to surface graft polymerization reaction using dodecafluoroheptyl methacrylate and 1-aminopropyl-3-methylimidazole bis(trifluoromethanesulfonyl)imide salt to obtain Hydrophobic modified cotton fiber;

[0037] (C) Finally, the hydrophobic modified cotton fibers are opened, carded, formed into a net, and mechanically punched to obtain the surface layer;

[0038] The bottom layer is prepared by the following method:

[0039] (a) firstly add the silk fibroin solution, polyester polyether copolymer, and divinyl sulfone into the sodium hyaluronate solut...

Embodiment 2

[0055] The processing technology of a breathable and dry double-layer non-woven fabric is formed by compounding the surface layer and the bottom layer through hot air, wherein the surface layer is prepared by the following method:

[0056] (A) Cotton fibers are first modified with mercapto groups using 3-mercaptopropyltriethoxysilane to obtain pre-modified cotton fibers;

[0057] (B) Then, the pre-modified cotton fiber is subjected to surface graft polymerization reaction using dodecafluoroheptyl methacrylate and 1-aminopropyl-3-methylimidazole bis(trifluoromethanesulfonyl)imide salt to obtain Hydrophobic modified cotton fiber;

[0058] (C) Finally, the hydrophobic modified cotton fibers are opened, carded, formed into a net, and mechanically punched to obtain the surface layer;

[0059] The bottom layer is prepared by the following method:

[0060] (a) firstly add silk fibroin solution, polyester polyether copolymer, and divinyl sulfone into sodium hyaluronate solution with...

Embodiment 3

[0076] The processing technology of a breathable and dry double-layer non-woven fabric is formed by compounding the surface layer and the bottom layer through hot air, wherein the surface layer is prepared by the following method:

[0077] (A) Cotton fibers are first modified with mercapto groups using 3-mercaptopropyltriethoxysilane to obtain pre-modified cotton fibers;

[0078] (B) Then, the pre-modified cotton fiber is subjected to surface graft polymerization reaction using dodecafluoroheptyl methacrylate and 1-aminopropyl-3-methylimidazole bis(trifluoromethanesulfonyl)imide salt to obtain Hydrophobic modified cotton fiber;

[0079] (C) Finally, the hydrophobic modified cotton fibers are opened, carded, formed into a net, and mechanically punched to obtain the surface layer;

[0080] The bottom layer is prepared by the following method:

[0081] (a) firstly add silk fibroin solution, polyester polyether copolymer, and divinyl sulfone into sodium hyaluronate solution with...

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 discloses a breathable and dry double-layer non-woven fabric and the processing technology thereof. According to the invention, a surface layer and a bottom layer are compounded through hot air, and the surface layer is obtained by conducting hydrophobic modification on cotton fibers and then conducting opening, carding, net forming and mechanical punching, so that the surface layer has good hydrophobicity and plays a flow guiding role after mechanical punching, moisture rapidly infiltrates downwards and does not permeate back, and the surface of the product is breathable, dry and comfortable; and the bottom layer is obtained by opening, carding and netting cotton fibers after hydrophilic modification, so that the bottom layer has good hydrophilicity and can quickly absorb infiltrated moisture, and the surface of the product is breathable and kept dry and comfortable.

Description

technical field [0001] The invention relates to the technical field of nonwoven fabrics, in particular to a breathable and dry double-layer nonwoven fabric and its processing technology. Background technique [0002] Pure cotton spunlace non-woven fabric is made of natural fiber pure cotton. After opening and loosening the cotton, the pure cotton is sorted into a net by using a cutting-edge carding machine, a web-laying machine and a drafting machine. The needle-shaped water column, through the hydroentanglement machine, makes the cotton fiber entangled into cloth. It takes only 5 minutes from raw cotton to cloth, which saves spinning and weaving links compared with traditional weaving cloth, shortens working hours, saves a lot of energy consumption, labor and equipment, low-carbon environmental protection, energy saving and emission reduction, and reduces costs by 30%. %about. Pure cotton spunlace nonwovens are widely used in medical and sanitary products, wet and dry wip...

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): B32B9/02B32B9/04B32B3/24B32B33/00B32B37/06D04H1/425D06B13/00D06B3/02D06M13/513D06M13/236D06M13/438D06M15/15D06M15/03D06M15/53D06M15/507D06M101/06
CPCB32B5/022B32B5/028B32B5/26B32B3/266B32B33/00B32B37/06D04H1/425D06B13/00D06B3/02D06M13/513D06M13/236D06M13/438D06M15/15D06M15/03D06M15/53D06M15/5075B32B2262/062B32B2260/021B32B2260/046B32B2307/724B32B2307/73B32B2250/20B32B2307/728B32B2307/726D06M2101/06D06M2200/12
Inventor 曹仁广邓连华李晓军栾龙峰张帅杰
Owner CHTC JIAHUA NONWOVEN CO LTD
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