CN210368134U

CN210368134U - Multifunctional protective knitted fabric

Info

Publication number: CN210368134U
Application number: CN201920225390.0U
Authority: CN
Inventors: 钱俊瑜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-22
Filing date: 2019-02-22
Publication date: 2020-04-21
Anticipated expiration: 2029-02-22

Abstract

The utility model relates to a multi-functional protection knitted fabric belongs to textile sector. The utility model provides a multi-functional protection knitted fabric, the top layer is connected through the binder yarn with the inlayer and is constituted bilayer structure, and the top layer is interweaved by 6 dacron silks and 2 fire-retardant yarn circulation in turn and forms, and the top layer is the fluorescence colour, and the top layer surface fabric adopts the gill weave, and the top layer surface fabric forms the check form, and the inlayer yarn is true color, and the binder yarn is same kind of yarn with the inlayer yarn. The utility model discloses the surface fabric has high temperature resistant, the warning effect of height, has excellent anti-electric arc performance, and the inlayer surface fabric is carbonization burning, and the surface fabric is comfortable, soft, warmth retention is good, can wear by pasting. The flame retardant coating is detected by a European fluorescence standard EN20471, a European flame retardant standard EN11612, a European antistatic standard EN1149-3, a European arc standard EN61482-1-2 and CLASS 1.

Description

Multifunctional protective knitted fabric

Technical Field

The utility model relates to a multi-functional protection knitted fabric belongs to textile sector.

Background

China is a large population country, the rapid development of Chinese economy and the urbanization construction are accelerated by the reform opening of the last 80 th century, the industrial structure gradually advances from the agricultural kingdom to the industrial manufacturing and production kingdom, and the labor-intensive industry is developed. Along with the development, safety accidents frequently occur, so that the safety protection problem continuously arouses attention of people, along with the increasing safety awareness of people and the gradual attention of the state to the safety of workers, the fabric used by safety protection clothes

The requirement is also higher and higher, both need can reach the guard action of different dangerous occasions, will accord with the requirement of labourer to the surface fabric practicality again, realize protection and comfort level's unity. Therefore, the innovation of high-visibility permanent flame-retardant antistatic arc-proof knitted fabric is completed.

Most of the existing single high-visible flame-retardant polyester single jersey in the market is subjected to post-treatment to obtain the flame-retardant effect, and the single jersey is not permanently flame-retardant; there is also a permanent flame retardant polyester product on the market today, but this product cannot be used next to the skin because it burns releasing high heat and it melts drips causing secondary damage to the skin. Although permanent flame retardance is realized, the modacrylic or aramid woven flame-retardant fabric cannot meet all-round requirements of close-fitting comfort and practicability.

Disclosure of Invention

In view of the defects of the flame-retardant fabric in the prior art, I develops a multifunctional protective knitted fabric which is formed by interweaving surface-layer dyed polyester yarns, flame-retardant yarns and inner-layer multiple types of permanent flame-retardant fiber blended yarns, adopts double-layer tissues, presents a lattice shape on the surface, selects the lattice shape, is determined by multiple test results, can ensure the flame-retardant performance and the electric arc-proof performance of the fabric in the weft direction, and also gives people an attractive visual effect. The product fully fills the market gap of perfect combination of the performance and the comfort of the protective fabric.

The surface layer is alternately and circularly interwoven by 6 polyester yarns and 2 flame-retardant yarns, the surface layer of the fabric adopts a drawn-stitch structure, the surface layer of the fabric forms a lattice shape, and the connecting yarns and the inner layer yarns are the same yarns.

Preferably, the gram weight of the fabric is 190-²。

Preferably, the surface layer of the fabric is in a fluorescent color, and the inner layer of the fabric is in a natural color of yarn.

The utility model discloses two kinds of yarns are chooseed for use to the mesosphere, improve the fire resistance of surface fabric, have avoided the dacron silk burning to produce to melt and drip the possibility that arouses the surface fabric burning. The surface fabric adopts the draw-stitch tissue, uses two kinds of yarns of dacron silk and fire-retardant yarn to weave, and the colour of fire-retardant yarn is slightly dark a little, and consequently surface fabric forms the check form, and this kind of design makes the horizontal vertical fire resistance of surface fabric can be better. The draw stitch is a description of the appearance of the fabric in the textile industry.

Preferably, the polyester yarn is 100% of polyester filament yarn, and the count of the polyester yarn is as follows: 75-150D, fluorescent color.

Preferably, the flame-retardant yarn is a blended yarn; the blended yarn is 60% modacrylic and 40% cotton blended yarn, and the flame-retardant yarn number is as follows: 32-40S, fluorescent color.

Preferably, the inner layer yarn is flame-retardant conductive blended yarn; the flame-retardant conductive blended yarn is composed of 60% of modacrylic, 27% of flame-retardant viscose, 10% of para-aramid and 3% of transparent conductive fiber, and the number of the inner layer yarn is as follows: and (6) 30S.

Top layer polyester yarn adopts disperse dyes to dye. Dyeing the surface polyester yarn: the method comprises the steps of yarn entering a factory, loosening a cylinder, chamfering, cage filling, dye vat entering, pretreatment, washing, dyeing, washing, dewatering and drying.

The flame-retardant yarn on the surface layer is dyed by cation and reactive dye. Dyeing the surface flame-retardant yarn: the conventional knitting yarn dyeing method comprises the steps of yarn entering a factory, bobbin loosening, chamfering, cage filling, dye vat entering, pretreatment, washing, dyeing, washing, dewatering and drying.

Only need wash after the surface fabric is made into to inlayer yarn, handle and design through the softener, need not carry out the dyeing process.

The utility model discloses the colour of two kinds of yarns on well surface is the fluorescence colour, through the detection of European protection type high visual standard RIS3279, plays the warning effect. The inner layer is the natural color of the yarn and is not dyed. The product is worn next to the skin, is environment-friendly and does not contain substances harmful to the skin. The surface of the fabric is fluorescent, the back of the fabric is white, and the fabric looks beautiful.

The fabric weaving process of the utility model: the surface layer yarn and the inner layer yarn are fed into a working needle of a knitting machine simultaneously, the surface layer yarn and the inner layer yarn are circularly fed into the working needle according to the sequence of 6 polyester yarns and 2 flame-retardant yarns, the yarns are bent into loops and are sleeved with each other, the surface layer and the inner layer are sewn through connecting wires, and the sewing line is the yarn of the inner layer.

Preferably, the modacrylic fiber has a fineness of 1.5DTEX and a fiber length of 51 mm.

The utility model discloses a chlorine poly nitrile has permanent fire behaviour, the used chlorine poly nitrile fibre of the utility model is the product of Japan kaneka company production, and fire behaviour is excellent.

Preferably, the fineness of the flame-retardant viscose fiber is 2DTEX, and the fiber length is 51 mm.

The flame-retardant viscose fiber of the utility model has permanent flame-retardant performance, and is a product produced by Austilanjin. The utility model discloses this kind of fibre is selected to add to the surface fabric, guarantees under the prerequisite of flame retardant property, improves the feeling of surface fabric, travelling comfort and the performance of dangling.

Preferably, the para-aramid fiber fineness is 1.5DTEX and the fiber length is 51 mm.

Para-aramid fiber has permanent fire behavior, and aramid fiber on the market divide into two kinds, meta-position aramid fiber and para-position aramid fiber, the utility model discloses para-position aramid fiber is selected to the surface fabric, guarantees the high strength and the excellent heat shrinkage performance of surface fabric.

Preferably, the conductive fibres are of Belltron, japan, model number Belltron 638.

Preferably, the conductive fiber has a fineness of 3DTEX and a fiber length of 51 mm.

The utility model discloses the conductive fiber who chooses for use plays antistatic effect, chooses for use the transparent color, because the layer is not dyed, guarantees that the colour is unified, the condition of color can not appear.

The proportion of the inner layer fiber is selected by long-term development and summary and a large amount of test experience, and the uniform combination of the flame retardance, the antistatic performance, the high visibility, the arc resistance, the comfortable hand feeling and the perfect appearance of the fabric is realized. Meanwhile, the price rationalization of the fabric is also ensured.

The utility model has the advantages that: the utility model discloses its surface fabric of surface fabric is the fluorescence colour, and high visual plays high warning effect, detects through European standard RIS3279, and the inlayer surface fabric adopts flame retardant fiber and antistatic fiber. The utility model discloses the surface fabric has increased fire behaviour and antistatic properties on having high visual basis, and flame retardant fiber chooses for use fire-retardant viscose, increases the travelling comfort and the drapability of surface fabric, increases the protection to skin, chooses for use counterpoint aramid fiber, increases the powerful and the heat shrinkage performance of surface fabric, and the occasion surface fabric at high temperature can hardly shrink, more effectual assurance labourer's safety. The utility model discloses the surface fabric color and luster is full, and the surface fabric does not contain particles such as metal, azo, does not contain the chemical substance that produces harm to human health, and the washing resistance, the color fastness is good, and the color fastness reaches 4 grades, detects through European fluorescence standard EN 20471. Passes the detection standard of European flame retardant standard EN 11612. The detection standard of the European antistatic standard EN1149-3 is passed. Passing the European arc standard EN61482-1-2, CLASS 1.

The utility model discloses the surface fabric has high temperature resistant, the warning effect of height, has excellent anti-electric arc performance, and the inlayer surface fabric is carbonization burning, and the surface fabric is comfortable, soft, warmth retention is good, can wear by pasting.

Drawings

FIG. 1 is a picture of the fabric of the utility model, the fabric is of fluorescent color, 1, and polyester yarn; 2. a flame-retardant yarn.

Detailed Description

The following non-limiting examples will allow one of ordinary skill in the art to more fully understand the present invention, but do not limit the invention in any way.

The test methods described in the following examples are all conventional methods unless otherwise specified; the reagents and materials are commercially available, unless otherwise specified.

The weaving machine used in the utility model is a commercially available jacquard machine.

Example 1

Dyeing two yarns of surface polyester yarns and flame-retardant yarns, weaving a double-layer tissue after dyeing, feeding the surface yarns and the inner yarns into working needles of a knitting machine simultaneously, feeding the surface fabrics to the working needles circularly according to the sequence of 6 polyester yarns and 2 flame-retardant yarns, bending the yarns into loops, sleeving the yarns mutually, sewing the surface layers and the inner layers through connecting wires, wherein the sewing wires are yarns of the inner layers, the surface fabrics form a grid shape, and the grid shape is that the whole cloth is divided into a plurality of rectangles with the same size and shape.

Preparing a multifunctional protective knitted fabric: the gram weight of the fabric is 190-230g/m2, the polyester filaments are 100% of polyester filament yarns, and the count of the polyester yarns is as follows: 75-150D, dyeing fluorescent color, wherein the flame-retardant yarn is 60% modacrylic and 40% cotton blended yarn, and the number of the flame-retardant yarn is as follows: 32-40S, dyeing fluorescent color, blending the inner layer yarn by 60% of modacrylic, 27% of flame-retardant viscose, 10% of para-aramid and 2% of transparent conductive fiber, wherein the number of the inner layer yarn is as follows: 30S, the inner layer yarn is natural color;

the utility model discloses the polyvinyl chloride fibre of nitrile of chooseing for use is that the fineness of fiber is 1.5DTEX, and fibre length is 51mm, the product of Japan kaneka company production. The fineness of the flame-retardant viscose fiber is 2DTEX, and the fiber length is 51 mm. Austria

Products manufactured by lanjing corporation. The fineness of the para-aramid fiber is 1.5DTEX, and the fiber length is 51 mm. The conductive fiber is a Belltron product, model Belltron 638, japan.

The fabric of the embodiment has color fastness reaching level 4. Detection by european EN 20471. The specific results pass the detection standard of European flame retardant standard EN11612 and are as follows:

1. heat shrinkage ratio: within 5 percent;

2. vertical burning (ignition on cloth surface): qualified;

3. washing dimensional stability: within 5 percent;

4. burst strength of knitted fabric: 167.9 KPA;

5. convection heat: sample one HTl24 ═ 5.2, sample two HTl24 ═ 5.5S, sample three HTl24 ═ 6.6S;

6. radiant heat: sampling one RHTl 24-15.2, sampling two RHTl 24-14.9S, and sampling three RHTl 24-15S;

7. contact heat: sample one Tt ═ 8.84S, sample two Tt ═ 8.69S, sample three Tt ═ 8.72S;

the results were as follows, as measured by the european fluorescence standard EN 20471:

and (3) testing the fluorescence: qualified;

luminance coefficient: and (4) passing.

The results are as follows, measured by the European Standard RIS 3279:

and (3) testing the fluorescence: and (4) passing.

The values of fluorescence were respectively:

1、X＝0.5958，Y＝0.3595；

2、X＝0.5810，Y＝0.3628；

3、X＝0.5974，Y＝0.3589；

luminance coefficient: and (4) passing.

The values of the fluorescence coefficients are respectively

1、0.4；

2、0.4035；

3、0.4124。

The results, measured by the European antistatic Standard EN1149-3, are as follows: and (4) passing.

Half-life <0.01, shielding factor: 0.53.

the results were qualified by European arc Standard EN61482-1-2, CLASS 1.

Claims

1. The utility model provides a multi-functional protection knitted fabric which characterized in that, the top layer and the inlayer of surface fabric are connected through connecting yarn, constitute bilayer structure, and the top layer is interweaved by 6 dacron silks and 2 fire-retardant yarn circulation in turn, and the surface fabric top layer adopts the gill weave, and the surface fabric top layer forms the check form, and connecting yarn and inlayer yarn are same kind of yarn.

2. The fabric as claimed in claim 1, wherein the fabric has a grammage of 190-²。

3. The fabric according to claim 1, wherein the surface layer of the fabric is of a fluorescent color, and the inner layer of the fabric is of a natural color of yarn.

4. The fabric according to claim 1, wherein the polyester filaments are 100% polyester filaments, and the polyester yarn count is as follows: 75-150D, fluorescent color.

5. The fabric according to claim 1, wherein the flame-retardant yarns are blended yarns; number of flame-retardant yarn: 32-40S, fluorescent color.

6. The fabric according to claim 1, wherein the inner layer yarn is a flame-retardant conductive blended yarn; inner layer yarn number: and (6) 30S.