CN212051778U - Flame-retardant antistatic core-spun yarn - Google Patents
Flame-retardant antistatic core-spun yarn Download PDFInfo
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- CN212051778U CN212051778U CN202020222000.7U CN202020222000U CN212051778U CN 212051778 U CN212051778 U CN 212051778U CN 202020222000 U CN202020222000 U CN 202020222000U CN 212051778 U CN212051778 U CN 212051778U
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Abstract
The utility model discloses a fire-retardant antistatic covering yarn, fire-retardant antistatic covering yarn include core silk and the cladding at the coating of core silk periphery, the core silk include a nylon filament at least, the coating constitute by a plurality of yarns, and the coating includes at least that one is by the yarn that aramid fiber and conductive fiber blending constitute and a yarn that comprises fire-retardant viscose fiber and conductive fiber blending, the yarn is staggered form range and winding cladding outside nylon filament in nylon filament periphery. The utility model discloses a fire-retardant antistatic covering yarn possesses permanent fire-retardant antistatic function, and the textile fabric gas permeability of making is good, has very high practical value.
Description
Technical Field
The utility model relates to a textile fabric technical field especially relates to a fire-retardant antistatic covering yarn with gas permeability is good, antistatic and fire-retardant thermal-insulated.
Background
The common textile clothing, especially the chemical fiber clothing, is easy to generate and accumulate static electricity, and causes deflagration accidents in flammable and explosive environments, so the work clothes used in the environments need to replace the flammable and static-electricity-generating common clothing with the clothing having the functions of flame retardance and static electricity prevention. In the past, the flame-retardant and antistatic functions of clothes are generally obtained by performing after-treatment on fabrics, but the after-treatment can cause the mechanical properties of the fabrics to be reduced and the hand feeling and the wearability to be poor, and the flame-retardant and antistatic properties of the clothes can gradually decline or even disappear along with the prolonging of the service time and the increasing of the washing times. Only by adopting the spinning and weaving of the intrinsic flame-retardant fiber and the conductive fiber and finally making the garment, the garment can be ensured to have the permanent flame-retardant and antistatic functions. The patent document with the publication number of CN 208293170U, the publication number of 28 of 12 and 2018, discloses a breathable elastic core-spun yarn, which comprises an elastic core and an outer coating, wherein the elastic core is larger than the elastic force of the outer coating, the elastic core is spandex yarn or a mixed yarn of spandex and terylene, the outer coating is a terylene color yarn group with more than one group, the terylene color yarn group wraps the elastic core in a spiral winding manner, an opening which is convenient for ventilation and relaxing tension is arranged on the terylene color yarn group, and the opening is positioned in the middle of the terylene color yarn group. This covering yarn has strengthened the connection compactness of outer covering and elasticity core through setting up the outer covering and wrap up the elastic filament with spiral winding's mode, makes the yarn be difficult to appear the condition of loosing silk, take off the silk. Because of the elasticity of outer covering not like the elasticity core, set up a plurality of openings on outer covering, both made things convenient for ventilative, can effectively alleviate outer covering again because of the flexible tension that bears of elasticity core for the yarn is difficult to warp and damages, and life is longer, but this kind of covering yarn does not have fire-retardant antistatic function.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve prior art's covering yarn and do not possess fire-retardant antistatic function mostly, the textile fabric who makes with it very easily produces and gathers static, arouses the detonation accident easily and causes the problem of heavy loss in inflammable and explosive environment and provides an antistatic and fire-retardant thermal-insulated fire-retardant antistatic covering yarn.
The utility model discloses a solve the concrete technical scheme that above-mentioned technical problem adopted, a fire-retardant antistatic covering yarn, fire-retardant antistatic covering yarn include core silk and the cladding at the coating of core silk periphery, the core silk include a nylon filament at least, the coating constitute by a plurality of yarns, and the coating includes at least that a yarn an that constitutes by aramid fiber and conductive fiber blending and a yarn b that constitutes by fire-retardant viscose fiber and conductive fiber blending, yarn an and yarn b are crisscross form arrangement and winding cladding outside nylon filament in nylon filament periphery. The utility model discloses a polyamide fibre long filament adopts aramid fiber, conductive fiber and the yarn that fire-retardant viscose fiber constitutes as the outer covering fiber as the core silk. The aramid fiber is a flame-retardant fiber with high strength, high modulus, low density and good wear resistance, can be continuously used for a long time at a high temperature of 204-240 ℃, can not shrink even being exposed to a high temperature of 300 ℃ for a short time, has a limiting oxygen index of more than 29 percent, is difficult to burn in flame, is extinguished after leaving the flame, can not generate molten drops, has excellent dimensional stability, and is widely applied to high-temperature-resistant, flame-retardant, wear-resistant and high-strength functional textiles. The fire-retardant viscose is a cellulose fibre containing silicate, its limiting oxygen index is greater than 28, fire-retardant property is good, low smoke and non-toxic, its physical and mechanical properties are similar to those of general viscose, and its moisture-absorbing and air-permeable properties are good. The conductive fiber is prepared by blending or composite spinning of carbon black, graphite, metal or metal oxide and other conductive substances with common high polymers, and has the specific resistance of less than 107 omega/cm and good antistatic performance.
The utility model discloses a yarn that aramid fiber and conductive fiber, fire-retardant viscose and conductive fiber constitute is as the outsourcing fibre of covering yarn, regard polyamide fibre long filament as the core silk cladding wherein, constitutes novel fire-retardant antistatic covering yarn (cladding yarn). Outer short-staple provides fire-retardant antistatic properties and comfortable wearability for the clothing that the yarn was made, middle polyamide fibre filament can increase the powerful and the evenness of strip degree of consistency of yarn, compare in polyester filament, the polyamide fibre has the advantage that the hydroscopicity is good, can improve the hygroscopicity of clothing, it does not possess fire-retardant antistatic function mostly to have solved prior art's covering yarn, the textile fabric who makes with it extremely easily produces and gathers static, arouse the detonation accident easily in inflammable and explosive environment and cause the problem of great loss. Adopt the utility model discloses a surface fabric product that covering yarn weaved can be used to the production of fire-entry suit, fire control blanket, also can be used to produce the special work clothes in flammable and explosive places such as oil development, colliery, filling station and oil refining, chemical industry, dust enterprise, has excellent fire-retardant and antistatic function, also has good snugness of fit.
Preferably, the four yarns comprise yarns a and d formed by blending aramid fibers and conductive fibers, and yarns b and c formed by blending flame-retardant viscose fibers and conductive fibers, and the four yarns are regularly staggered (woven) to form a flat covering belt, and the covering belt is spirally wound on the periphery of the nylon filament. Four yarns are regularly and alternately arranged to form a flat coating belt, so that the coating belt is conveniently coated on the core wire, the coating layer has certain gaps, and the air permeability of the garment made of the yarns can be enhanced.
Preferably, the nylon filament is a monofilament or a multifilament consisting of 2 to 4 monofilaments, and when the nylon filament is a multifilament, the nylon filament has a twisted structure.
Preferably, in a cross section of the cover tape having yarn intersections, when the left side is yarn a, the middle is yarn b and yarn c, and the right side is yarn d, the arrangement sequence of the four yarns a, b, c and d in the cross section having yarn intersections located below the cross section is as follows, and the sequence is repeated:
the left cross yarn a presses the yarn b, and the right cross yarn c presses the yarn d;
the left side is yarn b, the middle cross point yarn d presses yarn a, and the right side is yarn c;
the left cross yarn b presses the yarn d, and the right cross yarn a presses the yarn c;
the left side is yarn d, the middle cross point yarn c presses yarn b, and the right side is yarn a;
the left cross yarn d presses the yarn c, and the right cross yarn b presses the yarn a;
the left side is yarn c, the middle cross point yarn a presses yarn d, and the right side is yarn b;
the left cross yarn c presses the yarn a, and the right cross yarn d presses the yarn b;
yarn a is on the left, yarn c is pressed by yarn b at the middle cross point, and yarn d is on the right.
The utility model discloses a cladding area of four crisscross winding shape flat construction of yarn, yarn a here presses yarn b, means yarn a in yarn b's top, presses yarn d to mean yarn c in yarn d's top with reason, analogizes with this.
Preferably, the aramid fiber is aramid 1313, the fineness of the aramid fiber is 1.67dtex, and the length of the aramid fiber is 51 mm; the fineness of the flame-retardant viscose fiber is 2.2dtex, and the length of the flame-retardant viscose fiber is 51 mm; the conductive fiber is polyester-based conductive fiber, the fineness of the conductive fiber is 3.33dtex, and the length of the conductive fiber is 38 mm; the nylon filament is nylon 6 filament, and the fineness of the nylon filament is 22.2dtex-55.6 dtex. For the core-spun yarn of single core yarn, the nylon filament with larger fineness is adopted, and for the core-spun yarn of 2-3 core yarns, the nylon filament with smaller fineness is adopted.
Preferably, in the core-spun yarn, the cross-sectional area of the aramid fiber is 35% -45% of that of the core-spun yarn, and the cross-sectional area of the flame-retardant viscose fiber is 30% -40% of that of the core-spun yarn; the cross-sectional area of the nylon filament is 20-30% of that of the core-spun yarn; the cross-sectional area of the conductive fiber is 1% -3% of the cross-sectional area of the core-spun yarn.
The utility model has the advantages that: it has solved prior art's covering yarn mostly and has not possessed fire-retardant antistatic function effectively, and the textile fabric who makes with it very easily produces and gathers static, arouses the detonation accident easily and causes the problem of great loss in inflammable and explosive environment, the utility model discloses a fire-retardant antistatic covering yarn possesses permanent fire-retardant antistatic function, and the textile fabric gas permeability of making is good, has very high practical value.
Drawings
FIG. 1 is a schematic structural view of the flame-retardant antistatic core-spun yarn of the present invention;
FIG. 2 is a schematic diagram of an expanded structure of the flame-retardant and antistatic covering layer of the core-spun yarn of the present invention;
FIG. 3 is another schematic structural view of the flame retardant antistatic core spun yarn of the present invention;
fig. 4 is another development structure diagram of the flame-retardant antistatic covering yarn layer of the present invention.
In the figure: 1. the yarn comprises a core yarn, 2, a coating layer, a yarn a, b, c and d.
Detailed Description
The following provides a further description of embodiments of the present invention with reference to the accompanying drawings.
Example 1
In embodiment 1 shown in fig. 1, the flame-retardant antistatic core-spun yarn comprises a core yarn 1 and a coating layer 2 coated on the periphery of the core yarn, wherein the core yarn is a nylon 6 filament monofilament, the fineness of the nylon 6 filament is 55.6dtex, the coating layer is composed of two yarns and comprises a yarn a formed by blending aramid fibers and conductive fibers and a yarn b formed by blending flame-retardant viscose fibers and conductive fibers, the aramid fibers are aramid fibers 1313, the fineness of the aramid fibers is 1.67dtex, and the length of the aramid fibers is 51 mm; the fineness of the flame-retardant viscose fiber is 2.2dtex, and the length of the flame-retardant viscose fiber is 51 mm; the conductive fiber is polyester-based conductive fiber, the fineness of the conductive fiber is 3.33dtex, and the length of the conductive fiber is 38 mm; the yarns are arranged in a staggered shape (a twisted shape, see figure 2) at the periphery of the nylon filament and are wound and coated outside the nylon filament. The cross-sectional area of the aramid fiber in the embodiment is 40% of that of the core-spun yarn, and the cross-sectional area of the flame-retardant viscose fiber is 32% of that of the core-spun yarn; the cross-sectional area of the nylon filament is 27 percent of that of the core-spun yarn; the cross-sectional area of the conductive fiber is 1% of the cross-sectional area of the core-spun yarn.
Example 2
In the embodiment 2 shown in fig. 3, the nylon filament is a multifilament composed of 3 nylon 6 monofilaments, the core yarn is a twisted structure, the fineness of the nylon 6 filament is 22.2dtex, the number of the yarns for coating is four, the yarn comprises a yarn a and a yarn d formed by blending aramid fibers and conductive fibers, and a yarn b and a yarn c formed by blending flame-retardant viscose fibers and conductive fibers, the four yarns are regularly staggered (woven) to form a flat coating tape (see fig. 4), and the coating tape is spirally wound and coated on the periphery of the nylon filament. The cross-sectional area of the aramid fiber is 40% of that of the core-spun yarn, and the cross-sectional area of the flame-retardant viscose fiber is 35% of that of the core-spun yarn; the cross-sectional area of the nylon filament is 24 percent of that of the core-spun yarn; the cross-sectional area of the conductive fiber was 1% of the cross-sectional area of the core spun yarn, and the rest was the same as in example 1.
Example 2 four yarns were arranged: on a certain cross section of the covering belt with yarn crossing points, when the left side is yarn a, the middle is yarn b and presses yarn c, and the right side is yarn d (see fig. 4), the arrangement sequence of four yarns a, b, c and d on the cross section of the covering belt with the yarn crossing points positioned below the cross section is as follows, and the sequence is repeated:
the left cross yarn a presses the yarn b, and the right cross yarn c presses the yarn d;
the left side is yarn b, the middle cross point yarn d presses yarn a, and the right side is yarn c;
the left cross yarn b presses the yarn d, and the right cross yarn a presses the yarn c;
the left side is yarn d, the middle cross point yarn c presses yarn b, and the right side is yarn a;
the left cross yarn d presses the yarn c, and the right cross yarn b presses the yarn a;
the left side is yarn c, the middle cross point yarn a presses yarn d, and the right side is yarn b;
the left cross yarn c presses the yarn a, and the right cross yarn d presses the yarn b;
yarn a is on the left, yarn c is pressed by yarn b at the middle cross point, and yarn d is on the right.
The utility model discloses an aramid fiber, fire-retardant viscose and conductive fiber are as the outer covering fiber of covering yarn, regard polyamide fibre long filament as the core silk cladding wherein, constitute novel fire-retardant antistatic covering yarn. Outer short-staple provides fire-retardant antistatic performance and comfortable wearability for yarn and clothing, and middle polyamide fibre filament can increase the powerful and the evenness of strip degree of yarn, compares in polyester filament, and the polyamide fibre has the advantage that the hydroscopicity is good, can improve the hygroscopicity of clothing, has solved the covering yarn of prior art and has mostly not possessed fire-retardant antistatic function, and the textile fabric who makes with it extremely easily produces and gathers static, arouses the detonation accident easily in inflammable and explosive environment and causes the problem of great loss.
In addition to the above embodiments, the technical features or technical data of the present invention can be selected and combined again within the scope disclosed in the claims and the specification of the present invention to constitute new embodiments, which can be realized by those skilled in the art without creative efforts, and therefore, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and within the protection scope of the present invention.
Claims (10)
1. The flame-retardant antistatic core-spun yarn is characterized in that: the flame-retardant antistatic core-spun yarn comprises a core yarn (1) and a coating layer (2) coated on the periphery of the core yarn, wherein the core yarn at least comprises a nylon filament, the coating layer is composed of a plurality of yarns, the coating layer at least comprises a yarn a formed by blending aramid fibers and conductive fibers and a yarn b formed by blending flame-retardant viscose fibers and conductive fibers, and the yarn a and the yarn b are arranged in a staggered manner at the periphery of the nylon filament and are wound and coated outside the nylon filament.
2. The flame retardant, antistatic core-spun yarn of claim 1 wherein: the four yarns comprise yarns a and d formed by blending aramid fibers and conductive fibers, and yarns b and c formed by blending flame-retardant viscose fibers and conductive fibers, the four yarns are regularly and alternately arranged to form a flat covering belt, and the covering belt is spirally wound and covered on the periphery of the nylon filament.
3. The flame retardant, antistatic core-spun yarn of claim 1 wherein: the nylon filament is a monofilament.
4. The flame retardant, antistatic core-spun yarn of claim 1 wherein: the nylon filament is a multifilament formed by 2-4 monofilaments, and is of a twisted structure.
5. The flame retardant, antistatic core-spun yarn of claim 2 wherein: on a certain cross section of the covering belt with yarn crossing points, when the left side is a yarn a, the middle is a yarn b and presses a yarn c, and the right side is a yarn d, the arrangement sequence of four yarns a, b, c and d on the cross section of the covering belt with the yarn crossing points positioned below the cross section is as follows, and the arrangement sequence is repeated in the following sequence:
the left cross yarn a presses the yarn b, and the right cross yarn c presses the yarn d;
the left side is yarn b, the middle cross point yarn d presses yarn a, and the right side is yarn c;
the left cross yarn b presses the yarn d, and the right cross yarn a presses the yarn c;
the left side is yarn d, the middle cross point yarn c presses yarn b, and the right side is yarn a;
the left cross yarn d presses the yarn c, and the right cross yarn b presses the yarn a;
the left side is yarn c, the middle cross point yarn a presses yarn d, and the right side is yarn b;
the left cross yarn c presses the yarn a, and the right cross yarn d presses the yarn b;
yarn a is on the left, yarn c is pressed by yarn b at the middle cross point, and yarn d is on the right.
6. The flame retardant, antistatic core-spun yarn of claim 1 wherein: the aramid fiber is aramid 1313, the fineness of the aramid fiber is 1.67dtex, and the length of the aramid fiber is 51 mm.
7. The flame retardant, antistatic core-spun yarn of claim 1 wherein: the fineness of the flame-retardant viscose fiber is 2.2dtex, and the length of the flame-retardant viscose fiber is 51 mm.
8. The flame retardant, antistatic core-spun yarn of claim 1 wherein: the conductive fiber is polyester-based conductive fiber, the fineness of the conductive fiber is 3.33dtex, and the length of the conductive fiber is 38 mm.
9. The flame retardant, antistatic core-spun yarn of claim 1 wherein: the nylon filament is nylon 6 filament, and the fineness of the nylon filament is 22.2dtex-55.6 dtex.
10. The flame retardant, antistatic core-spun yarn of any one of claims 1 to 9 wherein: the cross-sectional area of the aramid fiber is 35-45% of that of the core-spun yarn, and the cross-sectional area of the flame-retardant viscose fiber is 30-40% of that of the core-spun yarn; the cross-sectional area of the nylon filament is 20-30% of that of the core-spun yarn; the cross-sectional area of the conductive fiber is 1% -3% of the cross-sectional area of the core-spun yarn.
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| CN202020222000.7U CN212051778U (en) | 2020-02-27 | 2020-02-27 | Flame-retardant antistatic core-spun yarn |
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| CN202020222000.7U CN212051778U (en) | 2020-02-27 | 2020-02-27 | Flame-retardant antistatic core-spun yarn |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559036A (en) * | 2022-11-10 | 2023-01-03 | 安徽工程大学 | Fiber core-spun metal filament wrapped composite yarn, preparation method and application |
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2020
- 2020-02-27 CN CN202020222000.7U patent/CN212051778U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559036A (en) * | 2022-11-10 | 2023-01-03 | 安徽工程大学 | Fiber core-spun metal filament wrapped composite yarn, preparation method and application |
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Granted publication date: 20201201 |