CN215096073U

CN215096073U - Flame-retardant anti-static composite fabric and protective clothing with same

Info

Publication number: CN215096073U
Application number: CN202121076206.4U
Authority: CN
Inventors: 王娜
Original assignee: Hebei Bo'an Jhihde Technology Development Co ltd
Current assignee: Hebei Bo'an Jhihde Technology Development Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-10
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a flame-retardant antistatic composite fabric, which comprises a two-layer fabric structure, wherein the inner layer fabric is a warp-weft knitting structure of first flame-retardant modal fiber yarns and first type antistatic yarns, and the outer layer fabric is a warp-weft knitting structure of second flame-retardant modal fiber yarns and first aramid fiber yarns; and a second type of antistatic yarn and a second aramid fiber yarn are woven in a penetrating manner at a gap formed by four intersection points corresponding to the warp and weft weaving structure of the two layers of fabrics. The utility model also discloses a fire-retardant antistatic composite fabric protective clothing. The twisting direction of the traditional spinning process is changed, and the conductive node is strengthened; the antistatic silk with the standard conductivity is embedded and woven in a fabric system, so that multiple functions of static resistance, flame-retardant protection and comfort of the fabric are realized.

Description

Flame-retardant anti-static composite fabric and protective clothing with same

Technical Field

The utility model belongs to the technical field of protective clothing, concretely relates to fire-retardant antistatic composite fabric and have protective clothing of this surface fabric.

Background

In many application scenarios in various fields, such as the fields of firer, petroleum and natural gas, chemical industry, metallurgy, fire fighting, aerospace, military and places with open fire, sparks and flammable substances, there is a certain danger of working in the above environments, and accidents may be encountered, such as: the well blowout accident of natural gas mine, the water permeability of colliery, gas explosion accident etc. need dress appointed protective clothing, but current protective clothing is relatively poor in fire prevention effect, needs the clothing of quality and better effect to protect above-mentioned severe operational environment's staff's security.

Therefore, in order to ensure the safety of workers, the fabric adopted by the functional protective clothing when the workers enter related occasions to work is more and more important to have the double functions of flame retardance and static resistance. For example, patent application No. 201810940072.2 discloses a flame-retardant antistatic fabric and a production process thereof, which discloses that high-performance fibers, flame-retardant fibers and conductive fibers are blended in a certain proportion, and technically, special yarns are formed by twisting, and the special yarns are interwoven in the warp direction and the weft direction according to a strip-shaped structure to form a flame-retardant antistatic fabric. But often do not combine flame retardant, antistatic and comfort functions.

SUMMERY OF THE UTILITY MODEL

To the above defect of prior art or improve in the demand one or more, the utility model provides a fire-retardant antistatic composite fabric and have protective clothing of this surface fabric adopts double-deck fire-retardant surface fabric to introduce in weaving the structure and prevent the static silk, strengthened the conductive node, make protective clothing have fire-retardant, prevent static and travelling comfort function concurrently.

In order to achieve the purpose, the utility model provides a flame-retardant antistatic composite fabric, which comprises a two-layer fabric structure, wherein the inner layer fabric is a warp-weft weaving structure of first flame-retardant modal fiber yarns and first type antistatic yarns, and the outer layer fabric is a warp-weft weaving structure of second flame-retardant modal fiber yarns and first aramid fiber yarns; and a second type of antistatic yarn and a second aramid fiber yarn are woven in a penetrating manner at a gap formed by four intersection points corresponding to the warp and weft weaving structure of the two layers of fabrics.

As a further improvement of the utility model, the surface of the two-layer fabric structure is coated with a carbon fiber material layer.

As a further improvement, the second type antistatic yarn and the second aramid fiber yarn can be respectively alternated in the different spaces formed by the two layers of fabrics, and also can be simultaneously in the same space.

As a further improvement, the first type antistatic yarn is conductive polymer type fiber, the conductive polymer type fiber yarn is formed by winding at least one basic yarn and at least one conductive fiber.

As a further improvement of the utility model, the base yarn is selected from one of wool yarn, blended yarn, modal fiber, polyester filament, chinlon or polyamide; the conductive fiber is selected from one of carbon fiber, carbon fiber/nylon composite fiber and carbon fiber/terylene composite fiber.

As a further improvement of the utility model, the length of the basic yarn fiber is 55-70mm, and the length of the conductive fiber is 33-50 mm.

As a further improvement of the present invention, the second type antistatic yarn is a metal compound type conductive fiber yarn selected from one of stainless steel fiber, silver fiber and copper fiber.

According to another aspect of the utility model, a flame-retardant antistatic composite fabric protective garment is provided, which comprises a protective garment body, wherein the protective garment body comprises an upper garment and a lower garment;

the upper garment and the lower garment both adopt flame-retardant antistatic composite fabrics, the composite fabrics comprise two fabric layers, wherein the inner fabric layer is a warp-weft knitting structure of first flame-retardant modal fiber yarns and first type of antistatic yarns, and the outer fabric layer is a warp-weft knitting structure of second flame-retardant modal fiber yarns and first aramid fiber yarns; and a second type of antistatic yarn and a second aramid fiber yarn are woven in a penetrating manner at a gap formed by four intersection points corresponding to the warp and weft weaving structure of the two layers of fabrics.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:

(1) the utility model discloses a fire-retardant antistatic composite fabric, by two-layer fabric structure through weaving technology preparation, wherein the material composition of nexine mainly includes prevents static silk yarn weaving by fire-retardant modal fibre and first type and forms, and outer material composition mainly weaves by fire-retardant modal fibre and aramid yarn, wherein nexine and skin prevent static silk and the interlude of the aramid yarn of second type and weave the weaving formation through the second type in weaving process the utility model discloses a surface fabric has changed traditional spinning technology direction of twist, and has strengthened conductive node; the utility model discloses with the static silk of preventing up to standard of electric conductive property inlay and weave in the fabric system, realized the multiple functionalization of the antistatic, fire-retardant protection of surface fabric and travelling comfort.

(2) The utility model discloses a fire-retardant antistatic composite fabric protective clothing, including jacket and lower garment, adopt the fire-retardant antistatic composite fabric of the invention, can be applied to the firer, oil and gas, chemical industry, metallurgy, fire control, space flight, military field and have open flame, give off the spark and have the place of inflammable substance.

Drawings

FIG. 1 is a schematic structural view of a flame-retardant antistatic composite fabric protective garment according to an embodiment of the present invention;

FIG. 2 is a schematic view of a weaving structure of the flame-retardant antistatic composite fabric according to the embodiment of the present invention, in which antistatic yarns are embedded and woven in a fabric system;

in all the figures, the same reference numerals denote the same features, in particular: the method comprises the following steps of 1-protective clothing body, 2-upper garment, 3-lower garment, 4-first flame-retardant modal fiber yarn, 5-conductive polymer fiber yarn, 6-second flame-retardant modal fiber yarn, 7-first aramid fiber yarn, 8-metal compound conductive fiber and 9-second aramid fiber yarn.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

FIG. 1 is a schematic structural view of a flame-retardant antistatic composite fabric protective garment according to an embodiment of the present invention; fig. 2 is a schematic view of the weaving structure of the flame-retardant antistatic composite fabric of the embodiment of the present invention, in which the antistatic yarns are embedded and woven in the fabric system. As shown in the figures, the flame-retardant antistatic composite fabric provided by the embodiment of the invention comprises a two-layer fabric structure, wherein the inner layer fabric is a warp-weft woven structure of first flame-retardant modal fiber yarns 4 and first type antistatic yarns 5, and the outer layer fabric is a warp-weft woven structure of second flame-retardant modal fiber yarns 6 and first aramid fiber yarns 7; second type antistatic yarns 8 and second aramid fiber yarns 9 are woven in the gaps formed by the four intersection points corresponding to the warp and weft weaving structure of the two layers of fabrics in an inserting mode. And the second type antistatic yarn 8 and the second aramid fiber yarn 9 can be respectively inserted into different gaps formed by the two layers of fabrics, and also can be simultaneously arranged in the same gap. The utility model discloses a fire-retardant antistatic composite fabric protective clothing, including protective clothing body 1, the protective clothing body includes jacket 2 and lower garment 3, and jacket 2 and lower garment 3 all adopt fire-retardant antistatic composite fabric to adopt above-mentioned fire-retardant antistatic composite fabric preparation.

The inner fabric specifically comprises first flame-retardant modal fiber yarns 4 and conductive polymer fiber yarns, the first flame-retardant modal fiber yarns and the conductive polymer fiber yarns are woven to form one side with a larger contact area with the skin or the lining of a wearer, the outer fabric specifically comprises second flame-retardant modal fiber yarns 6 and first aramid fiber yarns 7, and the second flame-retardant modal fiber yarns and the first aramid fiber yarns are woven to form one side with a larger contact area with the external environment.

The first flame-retardant modal fiber yarn 4 and the conductive polymer fiber are woven into an inner layer fabric through warp and weft directions, the second flame-retardant modal fiber yarn 6 and the first aramid fiber yarn 7 are woven into an outer layer fabric through warp and weft directions, and the first layer fabric and the second layer fabric are woven in a weaving process through the metal compound conductive fiber and the second aramid fiber yarn 9 in an inserting and weaving mode. The modal fibers are used in the two layers of fabrics, so that the overall comfort level and air permeability of the fabrics are improved.

Further, the surface of the two-layer fabric structure is coated with the carbon fiber material layer, after the two-layer fabric is bound, an uneven surface can be formed, the carbon fiber material layer is coated on the surface of the fabric, on one hand, the prepared flame-retardant anti-static composite fabric can be flattened, and on the other hand, the anti-static effect of the composite fabric is further improved. And the thickness of the carbon fiber material layer is coated so as to ensure that the composite fabric is leveled into a standard.

The first flame-retardant modal fiber yarn 4 is formed by mutually winding flame-retardant fibers, modal fibers and viscose fibers. The flame-retardant fiber, the modal fiber and the viscose fiber are all conventional fibers.

The conductive polymer type fiber yarn is formed by winding at least one strand of basic yarn and at least one strand of conductive fiber. The basic yarn composition comprises but is not limited to one of conventional wool yarn, blended yarn, modal fiber, polyester filament, nylon or polyamide, and the basic yarn is preferably the modal fiber, so that the wearing comfort of the clothing made of the related fabric is further improved; the conductive fiber is selected from carbon fiber, carbon fiber/nylon composite fiber, and carbon fiber/terylene composite fiber, wherein the carbon fiber/nylon composite fiber and the carbon fiber/terylene composite fiber are in a sheath-core structure, and of course, the conductive fiber can also be a sheath-core fiber with a nylon sheath and a carbon core, and the conductive fiber is conventional fiber. The application of the conductive polymer fiber yarn in the weaving of the inner layer fabric increases conductive nodes, so that the tendency of static electricity accumulation on the fabric is remarkably reduced, and the safety of the fabric is improved.

Preferably, in the preparation process of the conductive polymer type fiber yarn, a twist spinning method of the yarn is adopted, the conductive polymer type fiber yarn is manufactured by winding at least one strand of base yarn and at least one strand of conductive fiber, wherein the length of the base yarn fiber is preferably 55-70mm, the length of the conductive fiber is preferably 33-50mm, the twist of the base yarn is 650-800T/m, the count is 260-300S, and the twist of the conductive fiber is 230-300T/m; further, the length of the base yarn fiber is preferably 65mm, the length of the conductive fiber is preferably 48mm, the twist of the base yarn is 700T/m, the count is 280S, and the twist of the conductive fiber is 260T/m; in order to ensure that the polymerization among the conductive fibers is looser, the conductive fibers can be attached to the base yarn during winding, the using amount of the conductive fibers is saved as much as possible, the titer of the antistatic twisted yarn is very uniform at each local part, and the using amount of the conductive fibers can be saved to the greatest extent by adopting the form that at least one base yarn and at least one conductive fiber are combined and twisted together.

The second flame-retardant modal fiber yarn 6 is formed by mutually winding flame-retardant fibers, modal fibers and cotton pulp viscose fibers, wherein the flame-retardant fibers, the modal fibers and the cotton pulp viscose fibers are all conventional fiber materials.

The first aramid fiber yarn 7 is formed by mutually winding flame-retardant base yarn, aramid 1313, aramid 1414 and conductive fiber; the flame-retardant base yarn comprises the existing flame-retardant viscose or flame-retardant acrylic fibers; the fineness of the aramid fiber is preferably 1D to 1.1D.

The second type of antistatic yarn, namely the metal compound type conductive fiber yarn, is selected from one of conventional stainless steel fiber, silver fiber and copper fiber, and the twist of the conductive fiber is preferably 200T/m; the metal compound type conductive fiber yarn is used for binding the first layer fabric and the second layer fabric, and needs to be woven around the two layers of yarn, so that the bending strength of the yarn is obviously higher than that of the conductive polymer type fiber yarn, and the metal compound type conductive fiber is preferably adopted.

The second aramid fiber yarn 9 comprises a flame-retardant base yarn and aramid 1313; the flame-retardant base yarn comprises one of conventional flame-retardant base yarns in the prior art, such as flame-retardant viscose or flame-retardant acrylic fiber; the fiber fineness of the aramid fiber 1313 is preferably 0.8D.

The utility model discloses a composite fabric adopts conventional yarn material, and the structure of weaving that changes is at first woven into electrically conductive polymer type fibre yarn in the first layer surface fabric, has increased electrically conductive node, further adopts metal compound type electrically conductive fibre yarn for the yarn of binding first layer surface fabric and second floor surface fabric, and anti bending strength is high when increasing electrically conductive node. The antistatic silk with the standard conductivity is embedded and woven in a fabric system, so that multiple functions of static resistance, flame-retardant protection and comfort of the fabric are realized.

The utility model discloses fire-retardant antistatic composite fabric, its preparation method includes following step:

(1) preparing an inner layer fabric and a second layer fabric outer layer fabric

Weaving first flame-retardant modal fiber yarns and conductive polymer fiber yarns to form an inner-layer fabric, wherein the weaving method can be a latticed warp and weft or rhombic warp and weft weaving method, and the diameter of the woven yarns is preferably 2-3D; forming an outer layer fabric by adopting second flame-retardant modal fiber yarns and first aramid fiber yarns through latticed warps and wefts or a rhombic warp and weft weaving method, wherein the diameter of the woven yarns is preferably 1-2D;

preferably, the flame retardant modal fiber yarns in the inner layer are arranged non-overlapping with the flame retardant modal yarns in the outer layer.

(2) Binding the first layer of fabric and the second layer of fabric

And carrying out warp and weft knitting operation with higher warp and weft bending degree of the double-layer fabric by adopting the metal compound type conductive fiber yarn and the second aramid fiber yarn, wherein the diameter of the knitting yarn is preferably 3-4D.

Metal compound type conductive fiber yarn and second aramid fiber yarn are as the yarn that bindes of two-layer surface fabric, and after two-layer stack processing, the second type is prevented static yarn and second type aramid fiber yarn to further alternately weave in the space that forms through four intersection points of two-layer surface fabric, forms with this mode the utility model relates to a multi-component is fire-retardant prevents static surface fabric, owing to weave the in-process for the yarn of nexine and outer manufacture in-process, metal compound type conductive fiber yarn and second aramid fiber yarn 6 need adopt in fact just to make nexine and outer weaving production after the higher yarn of elongation index of fracture than nexine and outer yarn twist the utility model relates to a surface fabric.

(3) And (3) binding the two layers of fabrics in the step (2) to form an uneven double-sided structure, and coating a carbon fiber material on the double-sided structure to flatten the prepared flame-retardant anti-static composite fabric.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. The flame-retardant anti-static composite fabric is characterized by comprising a two-layer fabric structure, wherein the inner layer fabric is in a warp-weft weaving structure with first flame-retardant modal fiber yarns (4) and first type anti-static yarns (5), and the outer layer fabric is in a warp-weft weaving structure with second flame-retardant modal fiber yarns (6) and first aramid fiber yarns (7); second type antistatic yarns (8) and second aramid fiber yarns (9) are woven in the gaps formed by the four intersection points corresponding to the warp and weft weaving structure of the two layers of fabrics in an inserting mode.

2. The flame-retardant antistatic composite fabric as claimed in claim 1, wherein the surfaces of the two fabric structures are coated with carbon fiber material layers.

3. The flame-retardant antistatic composite fabric as claimed in claim 1, wherein the second type antistatic yarn (8) and the second aramid fiber yarn (9) can be respectively inserted into different gaps formed by two layers of fabric or can be simultaneously inserted into the same gap.

4. The flame-retardant antistatic composite fabric according to any one of claims 1 to 3, wherein the first type of antistatic yarn (5) is a conductive polymer type fiber, and the conductive polymer type fiber yarn is formed by winding at least one base yarn and at least one conductive fiber.

5. The flame-retardant antistatic composite fabric as claimed in claim 4, wherein the base yarn is selected from one of wool yarn, blended yarn, modal fiber, polyester filament, nylon or polyamide; the conductive fiber is selected from one of carbon fiber, carbon fiber/nylon composite fiber and carbon fiber/terylene composite fiber.

6. The flame-retardant antistatic composite fabric as claimed in claim 5, wherein the length of the base yarn fiber is 55-70mm, and the length of the conductive fiber is 33-50 mm.

7. The flame-retardant antistatic composite fabric according to claim 1 or 6, wherein the second type of antistatic yarns (8) are metal compound type conductive fiber yarns selected from one of stainless steel fibers, silver fibers and copper fibers.

8. The flame-retardant anti-static protective clothing is characterized by comprising a protective clothing body (1), wherein the protective clothing body comprises an upper garment (2) and a lower garment (3);

the upper garment (2) and the lower garment (3) both adopt flame-retardant antistatic composite fabrics, the composite fabrics comprise two fabric layers, the inner fabric layer is a warp-weft knitting structure of first flame-retardant modal fiber yarns (4) and first type antistatic yarns (5), and the outer fabric layer is a warp-weft knitting structure of second flame-retardant modal fiber yarns (6) and first aramid fiber yarns (7); second type antistatic yarns (8) and second aramid fiber yarns (9) are woven in the gaps formed by the four intersection points corresponding to the warp and weft weaving structure of the two layers of fabrics in an inserting mode.

9. The flame retardant antistatic composite fabric protective garment of claim 8 wherein the surface of the two fabric structures is coated with a layer of carbon fiber material.

10. The flame-retardant and anti-static composite fabric protective garment as claimed in claim 8 or 9, wherein the second type of anti-static yarns (8) and the second aramid fiber yarns (9) can be respectively inserted into different gaps formed by the two layers of fabrics or can be simultaneously inserted into the same gap.