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Yarn for composing cutting-proof and attrition resistant fabric surface

A yarn and fabric technology, applied in the direction of fabrics, yarns, textiles, etc., can solve problems such as cost, injury, and expensive products

Inactive Publication Date: 2009-04-15
XIAPO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] In addition to the aforementioned disadvantages related to the hardness of engineering polymers, these products are also very expensive
In some industries, this often forces decision makers to accept unsuitable solutions, such as cotton or leather gloves, and thus makes the operator both uncomfortable and at risk of injury
[0013] Furthermore, recycling of products at the end of their useful life creates cost issues as well as environmental damage

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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  • Yarn for composing cutting-proof and attrition resistant fabric surface

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Embodiment Construction

[0033] To produce the yarn according to the invention, two polymers, both renewable, are used, namely:

[0034] - high tenacity polyamide, also known as HT-PA; and

[0035] - Polyvinyl alcohol of the HPF (High Performance Fiber) type, also known as HPF-PVA.

[0036] These two polymers are semi-crystalline thermoplastics. More specifically, the high tenacity polyamide used may be of the type used to reinforce tires and pressurized hoses, it is not usually used in fine fabrics, but it exhibits good cut resistance properties.

[0037] The yarn comprises high tenacity polyamide-nylon 6,6 fibers (fibres de polyamidehaute ténacitéde type polyamide 6,6) having a tenacity of greater than 4.5 cN / dtex and a titre unitaire of 2.5 to 7 dtex . These fibers are obtained by a slow progressive cracking process in the case of fibers with a high tenacity of 6 to 12 cN / dtex. However, they exhibit high elongation at break, the modulus of this product being less than 10 GPa. This low modulus ...

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 relates to a yarn used for composing anti-cutting and wear resistant fabric surfaces, which is characterized in that: the yarn is obtained by carrying out spinning to high-tenacity polyamide artificial fibers, the tenacity of the fibers is more than 4.5cN / dtec, and the fiber length of the fibers is 40 to 170mm.

Description

technical field [0001] The present invention relates to a yarn for forming a cut-resistant and abrasion-resistant fabric surface. Background technique [0002] According to documents US 3 883 898, GB 1 586 890, US 4 777 789, US 4 004 295, GB 2 018 323, DE 1 610 495 and EP 0 118 898, it can be known that using fibrous Polymers (polymère fibreux), whether or not reinforced by inorganic fibers or filaments such as glass or metal, it is possible to obtain good cut-resistant properties. [0003] It should be noted that the cut resistance properties are specified in Europe by the EN 388 standard, which defines five performance levels called classes, from 1 to 5 and increasing with each level of performance. [0004] In non-reinforced products based on organic fibres, the choice of material is quite critical. Commonly used materials are poly-p-phenylene terephthalamide (PPTA), liquid crystal polymers (LCP) or high molecular weight polyethylene, ie it has a molar mass of greater t...

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): D02G3/44D02G3/02D03D15/10D03D15/58
Inventor 让·盖韦尔居·邦唐
Owner XIAPO
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