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Elastic cotton

A kind of elastic cotton, hollow technology, applied in the direction of textiles and papermaking, non-woven fabrics, adhesives, etc., can solve the problems of easy layering, poor elasticity, poor wear resistance, etc., to achieve improved warmth retention, good elasticity, and good flame retardancy Effect

Inactive Publication Date: 2003-02-19
唐懿
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the fibers of spray-bonded cotton are distributed in two dimensions, it has poor strength, poor elasticity, poor wear resistance, and is easy to peel off.
Even the patent application No. 94105072.6 "Flame Retardant Spray Cotton and Its Production Method" is only a layer of phosphorus compound flame retardant or halogen compound flame retardant coated on the surface of the spray fiber, which is characterized by It only melts and does not burn, and has the function of fire prevention. It has not yet solved the problems of elasticity, strength and warmth.

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

[0006] Example 1 The elastic cotton used to replace foam car seat cushions and interior decorations uses 70% flame retardant hollow crimped fiber and 30% flame retardant polypropylene fiber as raw materials. The prepared raw materials are sequentially plucked, opened, carded and formed into a web. After the raw materials are formed into a web, they are subjected to pre-acupuncture, reverse needling and positive needling in sequence to form a cotton web with three-dimensional distribution of fibers, and then undergo heat treatment. Baking and bonding, the heating temperature is 180°C, the time is 3 minutes, and finally the surface is ironed and slitting and coiling to become car seat cushions and interior decoration elastic cotton. The oxygen index of the elastic cotton reaches 27 to 29, which has excellent flame retardancy; the density of the elastic cotton is 140 g / m 2 , thickness up to 4 mm, good elasticity, strength up to 200N / 5cm, service life up to 50 years, it is an idea...

Embodiment 2

[0007] Example 2 The elastic cotton used to replace foam for warm shoes is made of 30% antibacterial polypropylene and 70% hollow crimped polyester. The prepared raw materials are sequentially plucked, opened, carded and formed into a web. After the raw materials are formed into a web, they are sequentially subjected to pre-needling, reverse needling and positive needling to form a cotton web with three-dimensional distribution of fibers, and then heat-dried. Bonding, surface ironing and slitting and winding to form elastic cotton for thermal shoes. The elastic cotton has the characteristics of good warmth retention, antibacterial and deodorant, and greatly extended service life. Due to the high density and smooth surface of this kind of elastic cotton, it can not only replace foam in making warm shoes, but also save the inner layer composite cloth or needle-punched cotton, which saves cost, and is an ideal cotton for warm shoes.

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Abstract

An elastic fabric belonging to non-woven one is prepared from a curled hollow fibre and a fibre with low smelting point, and features that its fibres are distributed in 3D mode. Its advantages are high elasticity, good thermal insulation and long service life (up to 50 years).

Description

1. Technical field [0001] The invention belongs to the technical field of non-woven fabrics. 2. Background technology [0002] The existing foam uses polyurethane as a raw material, so it has the disadvantages of toxicity, flammability, poor elasticity, poor warmth retention, easy aging, and short service life (only about 2 years). The existing spray-bonded cotton uses polyester (PET) fibers as raw materials, and its technological process is to send general polyester fibers to the cotton feeding machine after being opened by a bale opener, a cotton opener, and then carded into a thin film by a carding machine. Layered, that is, the fibers are two-dimensionally distributed, and then the two-dimensionally distributed thin-layered polyester fiber layer is folded into the required thickness with a molding machine, sprayed with adhesive, so that the layers of fibers are combined, dried and dried become. Because the fibers of the glued cotton are distributed in two dimensions, i...

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): D04H1/4391D04H1/46D04H1/542
Inventor 唐懿
Owner 唐懿
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