Waterproof flame-retardant fabric

Abstract

The utility model discloses a waterproof flame-retardant fabric which comprises two flame-retardant cotton fabric layers and a flame-retardant thermal insulation layer arranged between the two flame-retardant cotton fabric layers, the flame-retardant cotton fabric layer and the flame-retardant thermal insulation layer are compounded through a flame-retardant adhesive; the surface of one side, far away from the flame-retardant thermal insulation layer, of the flame-retardant cotton fabric layer is coated with a hydrophobic cellulose nanocrystalline agent coating; the flame-retardant cotton fabric layer is formed by interweaving flame-retardant yarns, the flame-retardant yarns comprise flame-retardant cotton yarns, fibers used by the flame-retardant cotton yarns are flame-retardant cotton fibers, and each flame-retardant cotton fiber comprises a cotton fiber main body and a flame retardant layer attached to the surface of the cotton fiber main body. According to the waterproof flame-retardant fabric, the flame retardant attached to the surface of the cotton fiber used by the flame-retardant cotton yarn enables the cotton yarn to have a good flame-retardant effect. Due to the hydrophobic cellulose nanocrystalline agent coating, the fabric has good hydrophobic and waterproof effects. And the flame-retardant heat-insulating layer can provide a heat-insulating effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of waterproof flame-retardant fabrics, belong to textile fabric technical field. BACKGROUND

[0002] With the development of society and the progress of science and technology, waterproof flame-retardant fabric is greatly demanded in the field of fire protection, industrial protection and the like due to its excellent waterproof performance and flame-retardant performance. And waterproof flame-retardant cotton fabric is widely used due to its air permeability and comfort because it uses cotton fibers. However, it is also required to have heat insulation and other functions for fire protection and industrial protection. How to prepare a waterproof flame-retardant fabric with heat insulation function becomes a problem to be solved. SUMMARY

[0003] The utility model aims at providing a kind of waterproof flame-retardant fabric, it also has the effect of heat insulation under the premise of having waterproof flame-retardant effect.

[0004] To solve the above technical problems, the utility model aims at realizing as follows:

[0005] The utility model relates to a kind of waterproof flame-retardant fabric, including two layers of flame-retardant cotton fabric layer and the flame-retardant heat insulation layer being set between two layers of flame-retardant cotton fabric layer;The flame-retardant cotton fabric layer is composite with flame-retardant heat insulation layer by flame-retardant adhesive;

[0006] The surface of the side of the flame-retardant cotton fabric layer away from the flame-retardant heat insulation layer is coated with a hydrophobic cellulose nanocrystal agent coating;

[0007] The flame-retardant cotton fabric layer includes interwoven flame-retardant yarns, the flame-retardant yarns include flame-retardant cotton yarns, the fibers used in the flame-retardant cotton yarns are flame-retardant cotton fibers, and the flame-retardant cotton fibers include cotton fiber bodies and flame-retardant agent layers attached to the surfaces of the cotton fiber bodies.

[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: the flame-retardant agent layer uses ammonium hexafluorophosphate.

[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: the flame-retardant adhesive is flame-retardant hot melt adhesive.

[0010] On the basis of the above scheme and as a preferred scheme of the above scheme: the flame-retardant heat insulation layer is nanometer aramid aerogel fiber non-woven fabric.

[0011] On the basis of the above scheme and as a preferred scheme of the above scheme: a planar three-dimensional fabric layer is arranged between the flame-retardant cotton fabric layer and the flame-retardant heat insulation layer;The planar three-dimensional fabric layer is interwoven by three groups of ultrahigh molecular weight polyethylene filaments at an included angle of 60°.

[0012] The utility model discloses a beneficial effect is: the utility model relates to a kind of waterproof flame-retardant fabric, the flame retardant attached to the surface of the cotton fiber used by flame-retardant cotton yarn can make that flame-retardant cotton yarn has good flame-retardant effect.The hydrophobic cellulose nanocrystal agent coating that is coated makes that the fabric has good hydrophobic waterproof effect.The flame-retardant heat insulation layer used can provide heat insulation effect. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of waterproof flame-retardant fabric of example one;

[0014] Figure 2 It is the structural schematic diagram of flame-retardant cotton fiber;

[0015] Figure 3 It is the structural schematic diagram of waterproof flame-retardant fabric of example two. DETAILED DESCRIPTION

[0016] The utility model is further explained below in connection with the drawings and specific embodiment.

[0017] Example one

[0018] Combine Figure 1 And Figure 2 , this embodiment is explained in detail. A kind of waterproof flame-retardant fabric of the utility model, including two flame-retardant cotton fabric layers 1 and the flame-retardant heat insulation layer 2 being set between two flame-retardant cotton fabric layers 1;The flame-retardant cotton fabric layer 1 is composite with flame-retardant heat insulation layer 2 by flame-retardant adhesive;The surface of the side of the flame-retardant cotton fabric layer 1 away from flame-retardant heat insulation layer 2 is coated with hydrophobic cellulose nanocrystal agent coating 3;The flame-retardant cotton fabric layer 1 includes by flame-retardant yarn interlacing, and the flame-retardant yarn includes flame-retardant cotton yarn, and the fiber used by flame-retardant cotton yarn is flame-retardant cotton fiber, and the flame-retardant cotton fiber includes cotton fiber main body 11 and flame retardant layer 12 attached to the surface of cotton fiber main body 11.

[0019] The hydrophobic cellulose nanocrystal agent used in hydrophobic cellulose nanocrystal agent coating 3, by tannic acid (TA) oxidation self-polymerization into polytannic acid (PTA) package layer on the surface of cellulose nanocrystal, so that polytannic acid coated cellulose nanocrystal (PTA@CNC) is obtained, then low surface energy material octadecylamine (ODA) with hydrophobic property is added, and ODA can occur Michael addition and Schiff base reaction with PTA, so that ODA is grafted to the surface of PTA@CNC, and modified cellulose nanocrystal (ODA-PTA@CNC) with superhydrophobic property is prepared.

[0020] Further, the flame retardant layer 12 uses ammonium hexafluorophosphate. The cotton fibers are immersed in anhydrous ethanol solution of ammonium hexafluorophosphate and polydopamine, and the polydopamine has good adhesion, which can make the ammonium hexafluorophosphate adhere to the surface of the fibers, so that the prepared flame-retardant cotton fibers still have good flame-retardant effect after washing.

[0021] Further, the flame-retardant adhesive is a flame-retardant hot melt adhesive. The flame-retardant thermal insulation layer 2 is a nanometer aramid aerogel fiber non-woven fabric. The organic polymer aerogel fiber has high toughness, ultra-low density and many other advantages, and is an ideal wearable thermal insulation protective material.

[0022] Example two

[0023] Combination Figure 3 The present embodiment is described in detail. The waterproof flame-retardant fabric involved in the present embodiment is different from that of example one in that a planar three-way fabric layer 4 is arranged between the flame-retardant cotton fabric layer 1 and the flame-retardant thermal insulation layer 2, and the flame-retardant thermal insulation layer 2 is also compounded by the flame-retardant hot melt adhesive. The planar three-way fabric layer 4 is interwoven by three groups of ultrahigh molecular weight polyethylene filaments at an angle of 60°. The planar three-way fabric has more advantages in tear resistance than the fabric interwoven by warp and weft, so that the waterproof flame-retardant fabric not only has good tear resistance in the warp and weft directions, but also has good tear resistance in the diagonal direction.

[0024] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes to the present application without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application shall be within the protection scope determined by the claims.

Claims

1. A water repellent flame resistant fabric characterized in that, The application relates to a fireproof and heat-insulating fabric, which comprises two layers of fireproof cotton fabric layers (1) and a fireproof and heat-insulating layer (2) arranged between the two layers of fireproof cotton fabric layers (1); the fireproof cotton fabric layers (1) and the fireproof and heat-insulating layer (2) are combined by a fireproof adhesive; The side surface of the fireproof cotton fabric layer (1) away from the fireproof and heat-insulating layer (2) is coated with a hydrophobic cellulose nanocrystal agent coating (3); The fireproof cotton fabric layer (1) is interwoven by fireproof yarns, the fireproof yarns comprise fireproof cotton yarns, the fireproof cotton yarns use fireproof cotton fibers, and the fireproof cotton fibers comprise a cotton fiber main body (11) and a fireproof agent layer (12) attached to the surface of the cotton fiber main body (11).

2. The water-proof and flame-retardant fabric according to claim 1, wherein, The fireproof agent layer (12) uses ammonium hexafluorophosphate.

3. The water-proof and flame-retardant fabric according to claim 1, wherein, The fireproof adhesive is fireproof hot melt adhesive.

4. The water-resistant flame resistant fabric of claim 1, wherein, The fireproof and heat-insulating layer (2) is nanometer aramid aerogel fiber non-woven fabric.

5. The water-resistant flame resistant fabric of claim 1, wherein, A planar three-way fabric layer (4) is arranged between the fireproof cotton fabric layer (1) and the fireproof and heat-insulating layer (2); the planar three-way fabric layer (4) is interwoven by three groups of ultrahigh molecular weight polyethylene filaments at an included angle of 60 degrees.

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