Composite fabric and preparation method thereof

Abstract

The composite fabric comprises an inner layer and an outer layer, an insect repelling layer is arranged between the inner layer and the outer layer, an antibacterial layer is arranged on the surface, away from the insect repelling layer, of the inner layer, and the composite fabric is attached to the skin; the insect repelling layer, the antibacterial layer, the inner layer and the outer layer are bonded with one another through an adhesive; and a waterproof layer is coated on the surface of the outer layer far away from the insect repelling layer. The insect repelling layer is arranged in the composite fabric, so that mosquitoes can be effectively knocked down, repelled and killed, and the skin is prevented from being bitten by the mosquitoes; and secondly, the antibacterial layer attached to the skin is arranged in the composite fabric, so that bacteria breeding caused by sweating is effectively avoided, and sanitation and safety are met.

Description

Technical Field

[0001] The present invention belongs to the technical field of fabrics, and in particular, relates to a composite fabric and a preparation method thereof. Background Art

[0002] Composite fabric is a new type of material made by bonding one or more layers of textile materials, non-woven materials and other functional materials. It is suitable for making sofas, clothing and other textiles. It is one of the indispensable fabrics for people's home life. Composite fabric is a kind of ultra-fine fiber in a specific textile processing and unique dyeing and finishing, and then processed by "composite" equipment. Composite fabric uses the high technology and new materials of "new synthetic fiber" and has many excellent properties (compared with ordinary synthetic fiber), such as fabric performance fine, delicate, elegant and warm.

[0003] With the development of economy and technology, people's living standards have been significantly improved, and the requirements for the quality of composite fabrics for daily necessities such as clothing production have become higher and higher, especially for the functionality, comfort, health, environmental protection and health care of clothing composite fabrics.

[0004] At present, composite fabrics that meet the requirements of hygiene, safety and mosquito repellent have become a hot spot in the research and development of textile products. It is of great significance to develop better composite fabrics that meet the requirements of hygiene, safety and mosquito repellent and meet the market demand. Summary of the invention

[0005] In order to solve the problems existing in the prior art, the present invention aims to provide a composite fabric that can achieve the function of repelling insects while achieving antibacterial properties and meeting the requirements of hygiene and safety.

[0006] In order to achieve the above technical objectives and effects, the present invention is implemented through the following technical solutions:

[0007] A composite fabric comprises an inner layer and an outer layer, wherein an insect repellent layer is arranged between the inner layer and the outer layer, and an antibacterial layer is arranged on the surface of the inner layer away from the insect repellent layer so as to adhere to the skin; the insect repellent layer, the antibacterial layer, the inner layer and the outer layer are bonded to each other by an adhesive; and a waterproof layer is coated on the surface of the outer layer away from the insect repellent layer.

[0008] Furthermore, the inner layer and the outer layer are both made of highly elastic breathable fabrics.

[0009] Furthermore, the insect repellent layer is prepared by the following steps:

[0010] 1): First, natural fibers are woven into fiber layers;

[0011] 2): Soak the fiber layer woven in step 1) in a solution containing pyrethrins, wherein an alcohol ether solvent and geraniol are added during the soaking process, and the soaking is carried out for 1 to 2 hours at a soaking temperature of 60 to 100°C.

[0012] 3): The fiber layer soaked in step 2) is washed, dried and shaped.

[0013] Furthermore, the antibacterial layer is composed of a fiber layer formed by weaving natural fibers and an antibacterial coating layer coated on the surface of the formed fiber layer.

[0014] Furthermore, the antibacterial layer includes nanosilver particles and sodium alginate.

[0015] Furthermore, the waterproof layer is made of a waterproof breathable film.

[0016] A method for preparing a composite fabric comprises the following steps:

[0017] 1): After the outer layer is stretched and arranged, an adhesive is applied on the surface of the outer layer according to a set shape;

[0018] 2): When the adhesive applied in step 1) is not dry, the insect repellent layer is covered on the surface of the outer layer coated with the adhesive in step 1) to bond the outer layer, and hot pressing is performed to shape the outer layer;

[0019] 3): After the inner layer is stretched and arranged, the adhesive is applied on the surface of the inner layer according to the set shape;

[0020] 4): When the adhesive applied in step 3) is not dry, the outer layer and the insect repellent layer are covered on the surface of the inner layer coated with the adhesive in step 3) to bond them together, and hot pressing is performed to shape them. At this time, the insect repellent layer is located between the outer layer and the inner layer.

[0021] 5): Apply adhesive in a set shape on the inner surface away from the insect repellent layer;

[0022] 6): When the adhesive applied in step 5) is not dry, the antibacterial layer is covered on the surface of the inner layer applied with the adhesive in step 5) to make it adhere to the inner layer, and hot pressing is performed to shape the inner layer;

[0023] 7): Coat a waterproof layer on the outer surface away from the insect repellent layer, dry, wash, and dry to obtain the desired composite fabric.

[0024] Furthermore, the adhesive is water-based PU glue.

[0025] The beneficial effects of the present invention are as follows: an insect repellent layer is provided in the composite fabric of the present invention, which can effectively knock down and repel mosquitoes and prevent the skin from being bitten by mosquitoes; secondly, an antibacterial layer close to the skin is provided in the composite fabric, which effectively prevents bacteria from growing after sweating and meets the requirements of hygiene and safety.

[0026] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. The specific implementation of the present invention is given in detail by the following embodiments and their accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0028] Figure 1 It is a schematic diagram of the overall structure of the composite fabric of the present invention.

[0029] Explanation of the numbers in the figure: 1. Inner layer; 2. Outer layer; 3. Insect repellent layer; 4. Antibacterial layer; 5. Waterproof layer. DETAILED DESCRIPTION

[0030] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0031] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, upper end, lower end, top, bottom...) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0032] See also Figure 1 As shown, a composite fabric comprises an inner layer 1 and an outer layer 2, an insect repellent layer 3 is arranged between the inner layer 1 and the outer layer 2, an antibacterial layer 4 is arranged on the surface of the inner layer 1 away from the insect repellent layer 3, and is close to the skin; the insect repellent layer 3, the antibacterial layer 4, the inner layer 1 and the outer layer 2 are bonded to each other by an adhesive; and a waterproof layer 5 is coated on the surface of the outer layer 2 away from the insect repellent layer 3.

[0033] Furthermore, the inner layer 1 and the outer layer 2 are both made of highly elastic breathable fabrics; in the present embodiment, the highly elastic breathable fabrics are woven from a blend of cotton fibers and spandex fibers, wherein the blend contains 90 to 95 parts by weight of the cotton fibers and 5 to 10 parts by weight of the spandex fibers.

[0034] Furthermore, the insect repellent layer 3 is prepared by the following steps:

[0035] 1): First, natural fibers are woven into fiber layers;

[0036] 2): Soak the fiber layer woven in step 1) in a solution containing pyrethrins, wherein an alcohol ether solvent and geraniol are added during the soaking process, and the soaking is carried out for 1 to 2 hours at a soaking temperature of 60 to 100°C.

[0037] 3): The fiber layer soaked in step 2) is washed, dried and shaped.

[0038] Among them, the natural fiber used to weave into the fiber layer in the insect repellent layer 3 can be selected from one or a combination of cotton, linen, wool, silk and bamboo; and in the present embodiment, 30 parts by weight of bamboo fiber and 70 parts by weight of cotton fiber are selected, bamboo fiber is used as the weft and cotton fiber is used as the warp, and plain or twill weaving is adopted.

[0039] The pyrethrins are selected from one or a combination of cis-cypermethrin, deltamethrin, allethrin, tri-cyhalothrin, cypermethrin, and methothrin. In order to ensure the safety to humans, the addition ratio of the pyrethrin solution is controlled within 1 to 20 g / kg.

[0040] Secondly, the alcohol ether solvent can be selected from one or a combination of ethylene glycol methyl ether, ethylene glycol ethyl ether, propylene glycol methyl ether, propylene glycol ethyl ether, etc.

[0041] Furthermore, the antibacterial layer 4 is composed of a fiber layer formed by weaving natural fibers and an antibacterial coating layer coated on the surface of the formed fiber layer.

[0042] Among them, the natural fiber used for weaving into the fiber layer in the antibacterial layer 4 can be selected from one or a combination of cotton, linen, wool, silk and bamboo; and in the present embodiment, 30 parts by weight of bamboo fiber and 70 parts by weight of cotton fiber are also selected, with bamboo fiber as the weft and cotton fiber as the warp, and plain or twill weaving is adopted; here, it should be noted that, in the present embodiment, the fiber layer in the insect repellent layer 3 and the fiber layer in the antibacterial layer 4 are substantially the same, but in actual application, different natural fibers and different proportions of natural fiber combinations can be selected to weave into different fiber layers; and in the present embodiment, the antibacterial layer includes nanosilver particles and sodium alginate.

[0043] In addition, the antibacterial layer is prepared by the following steps:

[0044] 1): The bamboo fiber is used as the weft and the cotton fiber is used as the warp to weave into a fiber layer, wherein the fiber layer comprises 30 parts by weight of the bamboo fiber and 70 parts by weight of the cotton fiber;

[0045] 2): Add nanosilver particles to water, stir evenly, then add sodium alginate, wait for the sodium alginate to dissolve, and form a uniform antibacterial viscous liquid;

[0046] 3): After the fiber layer prepared in step 1) is stretched and arranged, the antibacterial viscous liquid prepared in step 2) is coated on the surface of the fiber layer, and then the fiber layer is dried, washed with water, and dried to obtain the desired textile antibacterial layer.

[0047] Furthermore, the waterproof layer 5 is made of a waterproof breathable film, and when pasted, it is hot-pressed and laminated to the surface of the outer layer 2 away from the insect repellent layer 3 by hot-melt adhesive, wherein the laminating temperature is 60-70°C, the curing time is 22-24h, and the laminating pressure is 5MPa.

[0048] A method for preparing a composite fabric comprises the following steps:

[0049] 1): After the outer layer 2 is stretched and arranged, an adhesive is applied on the surface of the outer layer 2 according to a set shape;

[0050] 2): When the adhesive applied in step 1) is not dry, the insect repellent layer 3 is covered on the surface of the outer layer 2 coated with the adhesive in step 1) to bond them, and hot pressing is performed to shape them;

[0051] 3): After the inner layer 1 is stretched and arranged, an adhesive is applied on the surface of the inner layer 1 according to a set shape;

[0052] 4): When the adhesive applied in step 3) is not dry, the outer layer 2 and the insect repellent layer 3 are covered on the surface of the inner layer 1 coated with the adhesive in step 3) to bond them, and hot pressing is performed to shape them. At this time, the insect repellent layer 3 is located between the outer layer 2 and the inner layer 1.

[0053] 5): Apply adhesive in a set shape on the surface of the inner layer 1 away from the insect repellent layer 3;

[0054] 6): When the adhesive applied in step 5) is not dry, the antibacterial layer 4 is covered on the surface of the inner layer 1 coated with the adhesive in step 5) to make it adhere, and hot pressing is performed to shape;

[0055] 7): Coat a waterproof layer on the outer surface away from the insect repellent layer 3, dry, wash, and dry to obtain the desired composite fabric.

[0056] Among them, in this embodiment, the adhesive is water-based PU glue.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A composite fabric, comprising an inner layer (1) and an outer layer (2), characterized in that: An insect repellent layer (3) is provided between the inner layer (1) and the outer layer (2); an antibacterial layer (4) is provided on the surface of the inner layer (1) away from the insect repellent layer (3) to fit the skin; the insect repellent layer (3), the antibacterial layer (4), the inner layer (1) and the outer layer (2) are bonded to each other via an adhesive; and a waterproof layer (5) is coated on the surface of the outer layer (2) away from the insect repellent layer (3).

2. The composite fabric according to claim 1, characterized in that: The inner layer (1) and the outer layer (2) are both made of highly elastic and breathable fabrics.

3. The composite fabric according to claim 1, characterized in that: The insect repellent layer (3) is prepared by the following steps: 1): First, natural fibers are woven into fiber layers; 2): Soak the fiber layer woven in step 1) in a solution containing pyrethrins, wherein an alcohol ether solvent and geraniol are added during the soaking process, and the soaking is carried out for 1 to 2 hours at a soaking temperature of 60 to 100°C. 3): The fiber layer soaked in step 2) is washed, dried and shaped.

4. The composite fabric according to claim 1, characterized in that: The antibacterial layer (4) is composed of a fiber layer formed by weaving natural fibers and an antibacterial coating layer coated on the surface of the formed fiber layer.

5. The composite fabric according to claim 4, characterized in that: The antibacterial layer comprises nano silver particles and sodium alginate.

6. The composite fabric according to claim 1, characterized in that: The waterproof layer (5) is a waterproof breathable film.

7. A method for preparing a composite fabric, characterized in that: The steps include: 1): After the outer layer (2) is stretched and arranged, an adhesive is applied on the surface of the outer layer (2) according to a set shape; 2): When the adhesive applied in step 1) is not dry, the insect repellent layer (3) is covered on the surface of the outer layer (2) coated with the adhesive in step (1) to bond them, and hot pressing is performed to shape them; 3): After the inner layer (1) is stretched and arranged, an adhesive is applied on the surface of the inner layer (1) according to a set shape; 4): When the adhesive applied in step 3) is not dry, the outer layer (2) and the insect repellent layer (3) that are bonded together are covered on the surface of the inner layer (1) coated with the adhesive in step 3) to bond them, and hot pressing is performed to shape them. At this time, the insect repellent layer (3) is located between the outer layer (2) and the inner layer (1). 5): applying adhesive in a set shape on the surface of the inner layer (1) away from the insect repellent layer (3); 6): When the adhesive applied in step 5) is not dry, the antibacterial layer (4) is covered on the surface of the inner layer (1) coated with the adhesive in step 5) to make them adhere to each other, and hot pressing is performed to shape them; 7): A waterproof layer is coated on the outer surface away from the insect repellent layer (3), and the mixture is dried, washed, and dried to obtain the desired composite fabric.

8. The method for preparing the composite fabric according to claim 7, characterized in that: The adhesive is water-based PU glue.

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