CN214606413U

CN214606413U - Flame-retardant fabric

Info

Publication number: CN214606413U
Application number: CN202120273756.9U
Authority: CN
Inventors: 蒋新荣
Original assignee: Nantong Sumei Textile Technology Co Ltd
Current assignee: Nantong Sumei Textile Technology Co Ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-05
Anticipated expiration: 2031-01-29

Abstract

The application relates to a flame-retardant fabric which comprises a base material layer, wherein an isolation layer is arranged at one end of the height direction of the base material layer. The application reduces the attachment area of flame on the cloth through the base material layer so as to control the spread of fire on the cloth; the isolation layer can release non-combustible gas under flame roasting so as to reduce the quantity of ignition media on the cloth, thereby achieving the effects of improving the flame retardant property of the cloth and effectively slowing down the further spread of fire on the cloth.

Description

Flame-retardant fabric

Technical Field

The application relates to the field of cloth, in particular to flame-retardant cloth.

Background

The cloth is a material commonly used in daily life, and can be applied to various places in life after being cut by people. With the development and progress of science and technology, fireproof and flame-retardant cloth also comes.

Chinese patent publication No. CN109749494A discloses a flame retardant fabric, which comprises a base fabric and a flame retardant coating. The flame-retardant coating comprises the following components in parts by weight: 20-30 parts of polypropylene resin, 15-20 parts of methyl methacrylate, 20-25 parts of sepiolite powder, 7-8 parts of high silica fiber, 2-5 parts of polyethylene glycol diglycidyl ether, 1-3 parts of triethylene glycol diisocaprylate, 2-5 parts of silicon carbide, 0.5-1.5 parts of bronze powder, 0.5-1.5 parts of flame retardant, 2-4 parts of low-temperature plasticizer and 1-3 parts of calcium stearate.

In view of the above-mentioned related technologies, the inventor believes that the fabric has a defect that the flame retardant effect is poor, and further the further spread of the fire on the fabric is difficult to be effectively blocked.

SUMMERY OF THE UTILITY MODEL

In order to improve the relatively poor problem of flame retardant efficiency of cloth, this application provides a fire-retardant cloth.

The application provides a fire-retardant cloth adopts following technical scheme:

the flame-retardant fabric comprises a base material layer, wherein an isolation layer is arranged at one end of the base material layer in the height direction.

By adopting the technical scheme, the base material layer is not easily attached by flame through the characteristic that the material of the base material layer is not easily attached by the flame, so that the attachment area of the flame on the cloth layer is reduced, and further the burning and spreading on the cloth layer are controlled; the isolation layer can enable the warps and wefts of the isolation layer to release incombustible gas under the condition of flame roasting, and further reduces flame spread conditions and controls flame spread on the cloth layer by assimilating the ignition medium on the cloth layer through the incombustible gas and reducing the ignition medium.

Preferably, a plurality of flame-retardant yarns are arranged in the base material layer, and the flame-retardant yarns are arranged in parallel with the warp yarns of the base material layer.

By adopting the technical scheme, the flame-retardant yarn has the advantages that the flame-retardant yarn has a low ignition point, so that the phenomena of ignition and diffusion after the flame is contacted with the cloth layer are further reduced, and the spread of the flame on the cloth layer is effectively controlled.

Preferably, a plurality of protective yarns are arranged in the base material layer, and the protective yarns are arranged in parallel with weft yarns of the base material layer.

By adopting the technical scheme, the protective yarn has the characteristic of high temperature resistance so as to improve the resistant strength of the base material layer under the condition of flame roasting, further slow down the ignition speed of the cloth layer by flame and further control the spread of the flame on the cloth.

Preferably, a plurality of conductive pieces are arranged at intervals in the base material layer.

Through adopting above-mentioned technical scheme, electrically conductive piece has effectively reduced the adhesion of charge particle on the cloth, and then has effectively reduced the static phenomenon on the cloth, and then has reduced charge particle and has appeared combustion-supporting phenomenon at the flame spread in-process, and this process has further ensured the fire resistance of cloth.

Preferably, a protective layer is arranged at one end of the base material layer far away from the direction of the isolation layer.

By adopting the technical scheme, the protective layer effectively improves the stability of the cloth at high temperature and low temperature, reduces the adhesion of acid and alkali substances on the cloth, further ensures the use stability of the flame-retardant yarns and the protective yarns in the base material layer, and further ensures the flame-retardant effect of the cloth on flame.

Preferably, a plurality of reinforcing yarns are arranged at intervals in the isolation layer.

By adopting the technical scheme, the heat-resistant temperature of the isolating layer is improved by the reinforcing yarns, so that the phenomenon that flame ignites the isolating layer is slowed down, and the flame retardant property of the fabric is improved; meanwhile, the reinforcing yarns isolate the yarns in the isolating layer from each other, so that the phenomenon that the isolating layer is completely burnt by high-temperature flame at one time is reduced, the ignition speed of the isolating layer is effectively controlled in the process, and the phenomenon that the environment where the cloth is located is polluted due to excessive release of the non-combustible gas is reduced.

Preferably, a plurality of flame-retardant rolling lines are arranged between the isolation layer and the base material layer.

Through adopting above-mentioned technical scheme, fire-retardant rolling line is through the higher high temperature resistance performance of self to further improve the fire behaviour of cloth, simultaneously, fire-retardant rolling line has effectively ensured the joint strength of bed material layer and isolation layer, and then has effectively reduced the phenomenon that the bed material layer and isolation layer appear dividing and take off under flame.

Preferably, one end of the isolation layer, which is far away from the base material layer direction, is provided with a laminating layer.

Through adopting above-mentioned technical scheme, the laminating layer has effectively improved prevent wind, the waterproof performance of isolation layer, and then has effectively reduced inside and influenced the inside warp and weft yarn of isolation layer and freely decomposed's phenomenon under the flame firing of liquid infiltration isolation layer, and this process has further ensured the flame retardant property of cloth.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the base material layer controls the spread of fire on the cloth by reducing the attachment area of flame on the cloth; the isolation layer can release non-combustible gas under flame roasting to reduce the quantity of ignition media on the cloth, thereby further slowing down the spread of fire on the cloth;

2. the conductive piece reduces the static phenomenon of the cloth by reducing the attachment of the charge particles on the cloth, and further reduces the combustion supporting phenomenon of the charge particles during flame combustion so as to further control the spread of the flame on the cloth.

Drawings

FIG. 1 is a schematic longitudinal sectional view of a flame retardant fabric according to an embodiment of the present disclosure;

FIG. 2 is a schematic representation of the positional relationship of flame resistant yarns and protective yarns within a base layer;

FIG. 3 is a schematic diagram showing the positional relationship of the conductive members in the base material layer;

FIG. 4 is a schematic view of the connection of the flame retardant rolling line with the base material layer and the barrier layer;

fig. 5 is a schematic view showing the positional relationship of reinforcing yarns in the separator.

Description of reference numerals: 1. a base material layer; 2. an isolation layer; 3. a flame-retardant yarn; 4. a protective yarn; 5. a conductive member; 6. a protective layer; 7. a reinforcing yarn; 8. performing flame-retardant rolling; 9. and (7) laminating the layers.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a flame-retardant fabric. Referring to fig. 1, a flame retardant fabric includes a base material layer 1. The base material layer 1 is a CVC flame-retardant fabric layer which is prepared by using cotton-polyester blended yarns as warp and weft yarns and performing flame-retardant finishing, flame is not easy to attach to the base material layer 1, and the burning speed of the fabric layer is delayed by reducing the contact area with the flame.

Referring to fig. 2, a plurality of flame-retardant yarns 3 are arranged in the base material layer 1, the flame-retardant yarns 3 are acrylic fibers, and all the flame-retardant yarns 3 are arranged in parallel with the warp yarns of the base material layer 1. The flame-retardant yarn 3 has a low self ignition point, and further slows down the reaction speed of flame on the base material layer 1 by reducing the whole ignition point of the base material layer 1, and controls the spread of flame on the cloth layer.

Referring to fig. 2, a plurality of protective yarns 4 are arranged in the base material layer 1, the protective yarns 4 are aramid fibers, and all the protective yarns 4 are arranged in parallel with the weft yarns of the base material layer 1. The protective yarn 4 has extremely high temperature resistance and toughness, and can keep the form stability of the protective yarn under the condition of being roasted by flame at 560 ℃, so that the tolerance of a cloth layer in the flame is effectively improved, and the spread of fire on the cloth layer is further slowed down.

Referring to fig. 3, a plurality of conductive devices 5 are further disposed in the base material layer 1, in this embodiment, the conductive devices 5 are conductive fibers, and the conductive devices 5 are located at nodes where warp yarns and weft yarns of the base material layer 1 are interwoven. The conductive piece 5 can effectively reduce the charge adhesion on the fiber product, further effectively reduce the static phenomenon on the cloth layer, further reduce the fire spreading phenomenon caused by the static phenomenon, and ensure the flame retardant property of the cloth layer.

Referring to fig. 1 and 4, an isolation layer 2 is disposed at one end of the base material layer 1 in the height direction, in this embodiment, the height is the thickness of the base material layer 1, the isolation layer 2 is a fabric layer made of warp and weft yarns made of cation modified polyester fibers (PET/CD-PET) impregnated with a halogen anti-inflammatory agent, and the base material layer 1 and the isolation layer 2 are sewn together by a flame retardant thread 8.

Referring to fig. 4, the flame-retardant rolling line 8 is a rolling line made of glass fiber, and an operator can simultaneously penetrate and connect the flame-retardant rolling line 8 with the base material layer 1 and the isolation layer 2 which are attached to each other through a sewing machine, so that the base material layer 1 and the isolation layer 2 are fixedly connected into a whole. The flame-retardant rolling line 8 has extremely high heat resistance, insulativity and mechanical strength, can resist high temperature of 500-750 ℃ without melting, and further effectively ensures the connection tightness of the base material layer 1 and the isolation layer 2. When flame is attached to the cloth layer, the warp and weft yarns in the isolation layer 2 are subjected to cracking reaction sequentially according to the contact duration of the flame. The cracked warp and weft yarns in the isolating layer 2 can decompose part of non-combustible gas, so that inflammable free radicals on the cloth layer are converted into non-active free radicals to slow down the further spread of flame, and the effect of controlling fire is achieved.

Referring to fig. 5, a plurality of reinforcing yarns 7 are arranged at intervals in the isolation layer 2, the reinforcing yarns 7 are ceramic fibers, and the reinforcing yarns 7 have extremely high thermal stability and extremely low thermal conductivity. The reinforcing yarn 7 can be roasted under high temperature flame of 1400 ℃ to keep the stability of itself, so as to slow down the decomposition speed of the warp and weft yarns of the isolation layer 2 and reduce the phenomenon that the isolation layer 2 is completely decomposed once. Meanwhile, the reinforced yarns 7 further improve the flame retardant property of the cloth layer through the high temperature resistance of the reinforced yarns.

Referring to fig. 1, an adhesive layer 9 is disposed at one end of the isolation layer 2 away from the base material layer 1, and the adhesive layer 9 is a coating formed by coating a PU colloid on the outer side wall of the isolation layer 2. The adhesive layer 9 can improve the wind-proof and waterproof performance of the isolation layer 2, thereby reducing the phenomenon that liquid stains penetrate into the isolation layer 2 and influence the normal decomposition of the warp and weft yarns of the isolation layer 2 during the flame spread.

Referring to fig. 1, a protective layer 6 is disposed at one end of the base material layer 1 away from the direction of the isolation layer 2, and the protective layer 6 is a coating formed by coating polytetrafluoroethylene slurry on the outer side wall of the base material layer 1. The protective layer 6 has high heat resistance and cold resistance, and the protective layer 6 can effectively reduce the adhesion of acid and alkali substances on the cloth layer, so that the use stability of the flame-retardant yarns 3, the protective yarns 4 and the conductive pieces 5 inside the base material layer 1 is effectively guaranteed, the flame-retardant performance of the cloth layer is further guaranteed, and the further spread of fire on the cloth is effectively controlled.

The implementation principle of the flame-retardant fabric in the embodiment of the application is as follows: the base material layer 1 is used for slowing down the spread of the fire through the low ignition point of the flame-retardant yarns 3 and the high-temperature tolerance of the protective yarns 4, the isolation layer 2 emits non-combustible gas after flame burning so as to reduce ignition media for spreading the fire on the cloth layer, further effectively control the fire and reduce the further spread of the fire on the cloth layer.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A flame-retardant fabric is characterized in that: the insulation board comprises a base material layer (1), wherein an isolation layer (2) is arranged at one end of the base material layer (1) in the height direction; a plurality of reinforcing yarns (7) are arranged in the isolating layer (2) at intervals; a plurality of flame-retardant yarns (3) are arranged in the base material layer (1), and the flame-retardant yarns (3) are arranged in parallel with the warp yarns of the base material layer (1); a plurality of protective yarns (4) are arranged in the base material layer (1), and the protective yarns (4) are arranged in parallel with weft yarns of the base material layer (1).

2. A flame retardant fabric as set forth in claim 1, wherein: a plurality of conductive pieces (5) are arranged in the base material layer (1) at intervals.

3. A flame retardant fabric as set forth in claim 1, wherein: and a protective layer (6) is arranged at one end of the base material layer (1) far away from the direction of the isolation layer (2).

4. A flame retardant fabric as set forth in claim 1, wherein: and a plurality of flame-retardant rolling lines (8) are arranged between the isolation layer (2) and the base material layer (1).

5. A flame retardant fabric as set forth in claim 4, wherein: and an adhesive layer (9) is arranged at one end of the isolating layer (2) far away from the direction of the base material layer (1).