CN216891449U - Flame-retardant antistatic coarse-stitch single-face velvet fabric and protective clothing - Google Patents
Flame-retardant antistatic coarse-stitch single-face velvet fabric and protective clothing Download PDFInfo
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- CN216891449U CN216891449U CN202220159716.6U CN202220159716U CN216891449U CN 216891449 U CN216891449 U CN 216891449U CN 202220159716 U CN202220159716 U CN 202220159716U CN 216891449 U CN216891449 U CN 216891449U
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Abstract
The utility model discloses a flame-retardant antistatic coarse-stitch single-side velvet fabric and protective clothing, wherein the fabric is of a honeycomb weave structure, and the gram weight is 460g/m2(ii) a Each 8 paths of the honeycomb weave structure are a circulation, the 1 st, 2 nd, 3 th, 5 th, 6 th and 7 th paths are 16s x 1 ply blended yarns, and the 4 th and 8 th paths are 16s x 3 ply blended yarns; the blended yarn had a composition of 56% nitrile chlorideNylon, 31% of cotton, 12% of nylon and 1% of conductive fiber; the back of the honeycomb structure is provided with single-sided velvet; during weaving, according to the reciprocating motion of the knitting needle, the blended yarns are mutually sleeved, and finally the fabric is woven. The fabric has flame-retardant, anti-static and high-visibility performances, is more comfortable to wear, and the prepared protective clothing has a wide application range and a good application prospect.
Description
Technical Field
The utility model relates to the technical field of protective fabrics, in particular to a flame-retardant and antistatic thick-needle single-side velvet fabric.
Background
For flame-retardant antistatic protective tools, most of the existing mainstream products in the market are mainly modacrylic and aramid fibers due to the limitation of material selection. However, the woven fabric woven by the raw materials is compact in structure and stiff, and the fabric is also thickened correspondingly along with the improvement of the protection grade, so that the ready-made clothes made of the fabric are rigid, and the woven fabric is very strong in wearing constraint feeling when being used as a tool.
Therefore, how to make the fabric have the flame-retardant antistatic property and the warm-keeping and soft properties, so that the wearing comfort of the protective tool is improved, and the fabric has very important significance.
SUMMERY OF THE UTILITY MODEL
Based on the technical problems, the flame-retardant antistatic thick-needle single-sided velvet fabric provided by the utility model adopts modacrylic as a main raw material, blends cotton, chinlon and conductive fibers, and adopts a velvet grabbing treatment on the inner layer, so that the obtained fabric has good heat preservation performance, soft and comfortable hand feeling and flame-retardant antistatic performance.
The technical scheme adopted by the utility model is as follows:
the flame-retardant antistatic thick-needle single-sided velvet fabric is of a honeycomb structure, and the gram weight of the fabric is 480 g/m-2(ii) a The honeycomb weave structure is characterized in that each 8 paths are a cycle, the 1 st, 2 nd, 3 rd, 5 th, 6 th and 7 th paths are 16s x 1 ply blended yarns, and the 4 th and 8 th paths are 16s x (2-4) ply blended yarns; the blended yarn comprises, by weight, 56 +/-5% of modacrylic, 31 +/-5% of cotton, 12 +/-5% of chinlon and 1-5% of conductive fiber; the back of the fabric is single-sided velvet.
Based on the above scheme, the 4 th path and the 8 th path are preferably 16s by 3 strands of blended yarns.
Based on the scheme, the spinning mode of the blended yarn is preferably siro compact spinning.
Based on the above scheme, the fiber fineness of the modacrylic is preferably 1.5 to 2.0DTEX, more preferably 1.7DTEX, and the fiber length is 35 to 40mm, more preferably 38 mm.
Based on the scheme, preferably, the cotton is fine cotton wool, the fiber linear density is 1.7-2.2DTEX, and more preferably 1.9 DTEX; the fiber length is 25 to 30mm, and more preferably 28 mm.
Based on the scheme, preferably, the nylon is high-strength nylon; the conductive fiber is a carbon type conductive fiber.
Based on the scheme, preferably, the fabric is fluorescent yellow.
The utility model also provides protective clothing made of the fabric.
The main body of the fabric blended yarn is flame-retardant modacrylic which is mixed with cotton, chinlon and antistatic fiber. The modacrylic material has flame retardance and is difficult to combust in flame, the flame can be automatically extinguished after being removed, and the modacrylic is only carbonized after being combusted, has no molten drop, cannot cause further damage to human bodies, and can effectively prevent the danger caused by electric arc flash; and the high gram weight of the fabric can ensure that a wearer can obtain higher-level protection, and the flame retardant protection performance of the product is ensured.
After the modacrylic is blended with the natural cotton in a certain proper proportion, the cotton fiber can not release a large amount of heat during combustion, the heat resistance is good, the ash after combustion is carbon-containing fragments and can indirectly obstruct flame from continuing to burn, so that the flame retardant property of the fabric cannot be influenced due to the existence of the cotton, and the fabric has certain non-combustion-supporting property, so that the flame retardance of the whole fabric is optimally exerted. In addition, the cotton fiber also has good moisture absorption and air permeability, is soft and warm, has good skin affinity, overcomes the defects of poor handfeel and difficult spinning of modacrylic due to the existence of natural cotton, and ensures that the product has good wearing comfort, good dyeability of the cotton and good color saturation and fastness after dyeing.
The flame-retardant purl single-sided velvet fabric disclosed by the utility model mixes nylon as a raw material, and the nylon has high modulus and good rebound resilience, so that the fabric has more bone feeling, is more stiff, and has excellent wear resistance, so that the fabric is practical as a tooling fabric, and the service life of the tooling fabric is prolonged.
The back of the fabric of the utility model adopts a raising processing method. The fabric after napping, because the process of napping has destroyed the fibrous order in the yarn, the fibre has changed from orderly arrangement into unordered arrangement, because the unordered arrangement has formed numerous closed air structure between fibre and the fibre, numerous closed air structure plays the effect of storing the air, therefore the fabric has fine warmth retention property.
From structural, this utility model has selected the honeycomb tissue, is different from conventional honeycomb tissue, and this novel surface fabric is weaving the in-process because the strand number of the yarn of feeding is different in the different ways, makes the surface fabric finally demonstrate bellied honeycomb outward appearance effect, selects the reason of bellied honeycomb structure to be in order to further strengthen the fire behaviour of surface fabric. Specifically, the modacrylic/cotton/nylon/conductive fiber blended yarn is selected to be 16s 3 strands and 16s 1 strands, when in combustion, flame acts on the yarns with the convex structures woven by the modacrylic/cotton/nylon/conductive fiber blended yarn woven by the 16s 3 strands firstly, because the yarns have excellent flame retardance, thicker yarn count is selected, and 3 strands are selected, so that the strength and the flame retardance of the yarns after being plied are greatly improved, most of combustion heat generated by the flame acting on the yarns can be directly absorbed, the energy of the flame is reduced, the flame combustion is inhibited, and further the flame acting on the yarns is prevented from continuously spreading to four sides. And the part of the protruding structure indirectly plays a role in cutting and separating flame, and disperses the energy of the flame, even if a part of the flame acts on a plane structure woven by 16s 1 strand modacrylic/cotton/nylon/conductive fiber blended yarns, because of the excellent flame retardance of the yarns and the selection of thicker yarn counts, the weave structure is matched with the yarns of the yarn counts, the flame can be effectively prevented from burning, and the protective effect is played on the human body.
Compared with the prior art, the utility model has the following advantages:
1. the fabric is high in gram weight, the inner side of the fabric is subjected to fleece treatment, so that the warmth retention property is obviously enhanced, the surface style is thick, mad and fashionable, and the fabric is suitable for frock and coat products.
2. The fabric has good flame-retardant and anti-static performances, is permanently flame-retardant, does not reduce the effect along with the increase of washing times, is suitable for being used in flammable and explosive environments, and passes the detection of European flame-retardant standard EN11612 and the detection of European anti-static standard EN 1149-3.
3. The flame-retardant thick-needle single-side velvet fabric can be dyed in a fluorescent yellow color, has a good dyeing effect, can be used as warning clothing, and passes the European EN20471 high-visible detection standard.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a surface effect diagram of the flame-retardant antistatic coarse-needle single-side velvet fabric of the utility model.
Detailed Description
In order to make those skilled in the art understand the objects, features and effects of the present invention, the following detailed description of the present invention with reference to the specific embodiments and the accompanying drawings is provided.
The raw materials and equipment adopted by the utility model are as follows:
vinyl chloride-acrylonitrile copolymer: japanese Kaneka Protex-C, fiber fineness 1.7DTEX, and fiber length 38 mm; the limiting oxygen index LOI of the yarn can reach more than 33 after the product and cotton are matched according to a certain proportion, and the product is particularly suitable for being applied to flame-retardant products;
cotton: fine cotton wool, the linear density of the fiber is 1.9DTEX, and the length of the fiber is 28 mm;
conductive fibers: the carbon type Belltron is characterized in that a mother polymer is nylon 6, the cross section of the mother polymer is circular, and carbon type conductive particles are arranged on the outer ring of the mother polymer;
and (2) nylon: nylon 6;
the fabric processing machine type: the cylinder size of the coarse needle jacquard terry machine is 32 inches, and the needle pitch is 10 needles/inch.
A flame-retardant antistatic coarse-needle single-side velvet fabric is of a honeycomb weave structure, and the gram weight of the fabric is 460g/m2(ii) a Each 8 paths of the honeycomb weave structure are a circulation, the 1 st, 2 nd, 3 th, 5 th, 6 th and 7 th paths are 16s x 1 ply blended yarns, and the 4 th and 8 th paths are 16s x 3 ply blended yarns; the blended yarn comprises 56% of modacrylic, 31% of cotton, 12% of chinlon and 1% of conductive fiber, and the spinning mode is siro compact spinning; the back of the honeycomb structure is provided with single-sided velvet; during weaving, according to the reciprocating motion of the knitting needle, the blended yarns are mutually sleeved to finally be woven into the fabric, and the fabric is subjected to fluorescent yellow dyeing.
The specific preparation method of the flame-retardant antistatic coarse-stitch single-side velvet fabric comprises the following steps:
and simultaneously feeding the 16s x 3 strands and the 16s x 1 strands of yarns into a weaving machine, and mutually sleeving according to the reciprocating motion of the knitting needle to finally weave the required fabric. The whole weave is designed into 8 loops, 1 st, 2 nd, 3 rd, 5 th, 6 th and 7 th paths are fed with 1 strand of 16s yarn, and 4 th and 8 th paths are fed with 16s by 3 strands of yarn. The yarn thickness and the number of the strands fed in the 4 th path and the 8 th path are different, so that the effect of bulging is achieved. Specifically, 3 sections of needles are selected, and the needle arrangement sequence is 1, 2, 3, 2, 1, 2, 3 and 2;
the knitting needle work sequence is as follows:
1 route: 1 section of needle tucking and 2 sections and 3 sections of knitting.
2-path: 1 section of needle tucking and 2 sections and 3 sections of knitting.
3, path: 1 section of needle tucking and 2 sections and 3 sections of knitting.
4 paths of reaction: 1, 2 and 3 sections of weaving.
5 routes are as follows: 1 section of knitting, 2 sections of tucking and 3 sections of tucking.
6 routes are as follows: 1 section of knitting, 2 sections of tucking and 3 sections of tucking.
7 routes are as follows: 1 section of knitting, 2 sections of tucking and 3 sections of tucking. .
8 routes are as follows: 1, 2 and 3 sections of weaving.
The following table is a triangular arrangement diagram of the working principle of the knitting needles of the loom:
in the table, Λ represents knitting;
showing the tuck.
The obtained coarse needle terry fabric is sent into a napping machine, a napping process is carried out under the pulling of a needle roller, then the napped fabric is sent into a carding machine to be carded, and then a shearing machine is used for shearing, so that the coarse needle single-sided plush grey fabric with a flat surface and a plump back velvet feeling is finally obtained.
The obtained coarse-needle single-sided flannelette grey cloth is further dyed, the coarse-needle single-sided flannelette grey cloth is put into water for boiling and bleaching, then the temperature is reduced for washing water, and further acid washing is carried out. And (3) dyeing the acrylic fibers by using cationic dye, and after dyeing is finished, cooling and washing the acrylic fibers by water again to wash off redundant dye, and then carrying out reduction washing. The cotton is dyed with the active ingredient dye, the excess dye is washed away again and further soaped. And after soaping, cooling and washing until water is clear. Fixing color and setting, wherein the setting temperature is controlled to be about 150 ℃.
The flame-retardant antistatic coarse-stitch single-side velvet fabric obtained in the process has the following test results:
the fabric passes the detection standard of European flame retardant standard EN11612, and the specific result is as follows:
1. heat shrinkage ratio: warp-1.2%, weft-0.6%;
2. vertical burning (ignition on cloth surface): qualified
3. Washing dimensional stability: warp-3.0%, weft-4.0%;
4. burst strength of knitted fabric: 203.5 KPA;
5. convection heat: HTIa 24: 9.3s, stage B1
6. Contact heat: 250 ℃ C: stage 10.8s, F2
7. Radiant heat: RHT 124: 25.0s, C2 stage
The fluorescent yellow of the fabric is detected by European standard EN20471, and the result is as follows:
1. and (3) testing the fluorescence: qualified
2. Luminance coefficient: 0.87 pass
The fabric passes European antistatic standard EN 1149-3: 2004, the results are as follows:
1. shielding coefficient S: 0.58
2. Half-life: t50 is less than 0.01
3. The heat retention property: rct
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The flame-retardant antistatic thick-needle single-side velvet fabric is characterized by being of a honeycomb weave structure, and the gram weight of the fabric is 430-480 g/m-2(ii) a The honeycomb weave structure is characterized in that each 8 paths are a cycle, the 1 st, 2 nd, 3 rd, 5 th, 6 th and 7 th paths are 16s x 1 ply blended yarns, and the 4 th and 8 th paths are 16s x (2-4) ply blended yarns; the blended yarn comprises, by weight, 56 +/-5% of modacrylic, 31 +/-5% of cotton, 12 +/-5% of chinlon and 1-5% of conductive fiber; the back of the fabric is single-sided velvet.
2. The fabric of claim 1, wherein the 4 th and 8 th lanes are 16s x 3 ply blended yarns.
3. The fabric according to claim 1, wherein the blended yarn is spun by siro compact spinning.
4. The fabric according to claim 1, wherein the modacrylic has a fiber fineness of 1.5-2.0DTEX and a fiber length of 35-40 mm.
5. The fabric according to claim 4, wherein the modacrylic has a fiber fineness of 1.7DTEX and a fiber length of 38 mm.
6. A fabric as claimed in claim 1 wherein the cotton is fine staple cotton, the linear density of the fibres is 1.7-2.2DTEX and the length of the fibres is 25-30 mm.
7. A fabric as claimed in claim 6 wherein the cotton is fine staple cotton, the linear density of the fibres is 1.9DTEX and the length of the fibres is 28 mm.
8. The fabric according to claim 1, wherein the nylon is high-strength nylon; the conductive fiber is a carbon type conductive fiber.
9. A fabric according to claim 1, wherein the fabric is fluorescent yellow.
10. A protective garment made from a face fabric according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220159716.6U CN216891449U (en) | 2022-01-20 | 2022-01-20 | Flame-retardant antistatic coarse-stitch single-face velvet fabric and protective clothing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220159716.6U CN216891449U (en) | 2022-01-20 | 2022-01-20 | Flame-retardant antistatic coarse-stitch single-face velvet fabric and protective clothing |
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| CN216891449U true CN216891449U (en) | 2022-07-05 |
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| CN202220159716.6U Active CN216891449U (en) | 2022-01-20 | 2022-01-20 | Flame-retardant antistatic coarse-stitch single-face velvet fabric and protective clothing |
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