CN210916468U

CN210916468U - Nanofiber composite fabric

Info

Publication number: CN210916468U
Application number: CN201921038669.4U
Authority: CN
Inventors: 姚明; 陆海霞; 徐海明; 曹延龙; 陈杰
Original assignee: Wujiang Sanfeng Outdoor Textile Fabric Co ltd
Current assignee: Jiangsu Sanfeng special material technology Co., Ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-07-03
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a nano-fiber composite fabric, which comprises a base cloth, an inner layer nano-fiber film and a surface layer nano-fiber film; the inner layer nanofiber membrane is compounded on the outer surface of the base cloth; the surface layer nanofiber membrane is compounded on the inner layer nanofiber membrane; the base cloth is tencel woven fabric; the tencel woven fabric is formed by weaving tencel yarns by adopting plain weave; the tencel yarn is formed by spinning tencel fibers; the tencel yarn was 100S; the tencel yarn has a twist of 160 twists/10 cm; the warp density of the tencel woven fabric is not less than 380 pieces/5 cm; the weft density of the tencel woven fabric is not less than 340 pieces/5 cm; the inner layer nanofiber membrane is a PMMA nanofiber membrane. The utility model discloses low in manufacturing cost, frivolous ventilative, surface fabric thickness can reach 0.3mm, and the sense of touch is soft, and the snugness of fit is good, and moisture absorption perspire performance and waterproof performance are good, are applicable to as swimsuit, sandy beach trousers or the waterproof surface fabric of leisure, excellent in use effect.

Description

Nanofiber composite fabric

Technical Field

The utility model relates to a nanofiber membrane field especially relates to a nanofiber composite fabric.

Background

The waterproof breathable fabric means that water cannot permeate the fabric under certain pressure in the using process, and diffused liquid, particularly water vapor, can smoothly penetrate through the fabric. Fabrics with waterproof and breathable functions are widely used in daily life, such as tents, sleeping bags, outdoor clothing, shoes, down jackets and the like, and are increasingly emphasized in some special fields, such as military uniforms and the production of protective clothing in military affairs, and as protective materials for precision instruments and the like. Compared with the functions of keeping warm and resisting cold of common fabrics, the waterproof and breathable material has multiple functions of water resistance, moisture permeability, air permeability and the like, and the realization of some functions is contradictory, so that the functions of water resistance, moisture permeability and air permeability are mutually restricted.

At present, the existing waterproof breathable fabrics on the market mainly comprise: high density fabrics, coated fabrics and laminated fabrics. However, although the high-density fabric has good moisture permeability, the hydrostatic pressure resistance is poor; the coating fabric has excellent waterproof performance, but has the defects of poor flexibility and poor air permeability; although the laminated fabric has relatively excellent waterproof and air-permeable performance, the preparation process is complex and high in cost, and the application range of the laminated fabric is limited due to respective defects. The electrostatic spinning nanofiber membrane is a novel waterproof breathable material. The electrostatic spinning principle is that high-voltage static of thousands of volts is applied to polymer drops or melt, then charged drops deform under the action of electric field force and form a Tayer cone at a spinning nozzle, the continuous increase of the electric field force enables the drops to overcome the surface tension of the drops and finally to be ejected out of a cone tip to form jet flow, the jet flow is further stretched and refined in the motion process, meanwhile, solvent is volatilized to enable the jet flow to be solidified, nanometer-scale superfine fibers are formed, and the nanometer-scale superfine fibers fall on a receiver in a disordered non-woven fabric mode to form a nanometer fiber film. However, the conventional nanofiber membrane has poor strength, hard touch and poor comfort. Therefore, a novel fabric combining the traditional woven fabric and the nanofiber membrane is required to be cooperatively matched, so that the performance defect of a single woven fabric or nanofiber membrane is improved.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a nanofiber composite fabric, not enough to among the prior art, through combining traditional machine weaving surface fabric and nanofiber membrane, through heating complex, make both cooperate in coordination, improve the performance, it is relatively poor to have solved single high-density fabric hydrostatic pressure resistance, and nanofiber membrane intensity is poor, easily tear the damage, simultaneously in order to have certain hydrostatic pressure resistance, certain thickness need be maintained to the nanofiber membrane, easily lead to the sense of touch on the hard side, the poor problem of snugness of fit.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: a nanofiber composite fabric comprises base cloth, an inner layer nanofiber membrane and a surface layer nanofiber membrane; the inner layer nanofiber membrane is compounded on the outer surface of the base cloth; the surface layer nanofiber membrane is compounded on the inner layer nanofiber membrane; the base cloth is tencel woven fabric; the tencel woven fabric is formed by weaving tencel yarns by adopting plain weave; the tencel yarn is formed by spinning tencel fibers; the antenna yarn is 100S; the twist of the antenna yarn is 160 twists/10 cm; the warp density of the tencel woven fabric is not less than 380 pieces/5 cm; the weft density of the tencel woven fabric is not less than 340 pieces/5 cm; the inner layer nanofiber membrane is a PMMA nanofiber membrane; the thickness of the inner layer nanofiber membrane is 7-15 μm; the surface layer nanofiber membrane is a PVDF nanofiber membrane; the thickness of the surface layer nanofiber membrane is 2-6 mu m.

As a preferred scheme of the utility model, the inner layer nanofiber membrane is formed by interweaving PMMA nanofiber filaments which are subjected to electrostatic spinning; the PMMA nanofiber filament has the average diameter of 250-330 nm.

As a preferred scheme of the utility model, the surface layer nanofiber membrane is formed by interweaving electrostatic spinning PVDF nanofiber filaments; the average diameter of the PVDF nano-fiber filament is 600-850 nm.

As a preferred scheme of the utility model, the surface of the inner layer nanofiber membrane is coated with a titanium dioxide nano coating; the titanium dioxide nano coating is positioned between the inner layer nanofiber membrane and the surface layer nanofiber membrane; the thickness of the titanium dioxide nano coating is 150-300 nm.

As a preferred scheme of the utility model, the surface layer nanofiber membrane surface is coated with a silicon dioxide nano-coating by blade coating.

As a preferred scheme of the utility model, the warp density of the tencel woven fabric is 460 pieces/5 cm; the weft density of the tencel woven fabric is 396 pieces/5 cm.

Through the technical scheme, the utility model discloses technical scheme's beneficial effect is: the utility model discloses low in manufacturing cost, frivolous ventilative, surface fabric thickness can reach 0.3mm, and the sense of touch is soft, and the snugness of fit is good, and moisture absorption perspire performance and waterproof performance are good, are applicable to as swimsuit, sandy beach trousers or the waterproof surface fabric of leisure, excellent in use effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

The corresponding part names indicated by the numbers and letters in the drawings:

1. base cloth 2, inner layer nanofiber membrane 3, surface layer nanofiber membrane.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

With reference to fig. 1, the utility model discloses a nanofiber composite fabric, which comprises a base fabric 1, an inner nanofiber membrane 2 and a surface nanofiber membrane 3. The inner layer nanofiber membrane 2 is compounded on the outer surface of the base cloth 1. The surface layer nanofiber membrane 3 is compounded on the inner layer nanofiber membrane 2. The base cloth 1 is tencel woven fabric. The tencel woven fabric is formed by weaving tencel yarns by adopting plain weave; the tencel yarn is spun from tencel fibers. The antenna yarn was 100S. The antenna yarn had a twist of 160 twists/10 cm. The warp density of the tencel woven fabric is not less than 380 pieces/5 cm. The weft density of the tencel woven fabric is not less than 340 pieces/5 cm. Preferably, the warp density of the tencel woven fabric is 460 threads/5 cm; the weft density of the tencel woven fabric is 396 pieces/5 cm. The inner nanofiber membrane 2 is a PMMA nanofiber membrane. The thickness of the inner layer nanofiber membrane 2 is 7-15 μm. The surface layer nanofiber membrane 3 is a PVDF nanofiber membrane; the thickness of the surface layer nanofiber membrane 3 is 2-6 μm. The inner layer nanofiber membrane 2 is formed by interweaving PMMA nanofiber filaments which are subjected to electrostatic spinning; the average diameter of the PMMA nanofiber filament is 250-330 nm. The surface layer nanofiber membrane 3 is formed by interweaving PVDF nanofiber filaments subjected to electrostatic spinning; the average diameter of the PVDF nanofiber is 600-850 nm.

The utility model discloses a preparation process: firstly, weaving a base fabric 1 by using a textile machine and using a tencel yarn as a material; after the base cloth 1 is woven, coating microporous breathable organic adhesive on the outer surface of the base cloth 1, and then drying; placing the base cloth 1 on a receiving roller of an electrostatic spinning device, and performing electrostatic spinning on the surface of the base cloth 1 through PMMA spinning solution to form an inner-layer nanofiber membrane 2; then, continuously performing electrostatic spinning on the surface of the inner-layer nanofiber membrane 2 by using an electrostatic spinning device through PVDF spinning solution to form a surface-layer nanofiber membrane 3; the base cloth 1 compounded with the inner layer nanofiber membrane 2 and the surface layer nanofiber membrane 3 is dried in the environment of 60 ℃, then heat treatment is carried out on the base cloth 1 under the environment of 120 ℃, and fusion bonding is carried out between the nanofiber filaments on the premise of not damaging the morphology structure of the fiber membranes, so that the overall stability and strength are improved.

In order to improve the ultraviolet resistance of the utility model, the surface of the inner layer nanofiber membrane 2 is coated with a titanium dioxide nano coating; the titanium dioxide nano coating is positioned between the inner layer nanofiber membrane 2 and the surface layer nanofiber membrane 3; the thickness of the titanium dioxide nano coating is 150-300 nm.

In order to improve the utility model discloses a surface hydrophobicity promotes the utility model discloses a wear resistance scribbles silica nanometer coating on 3 surfaces of top layer nanofiber membrane.

Through the above-mentioned specific embodiment, the beneficial effects of the utility model are that: the utility model discloses low in manufacturing cost, frivolous ventilative, surface fabric thickness can reach 0.3mm, and the sense of touch is soft, and the snugness of fit is good, and moisture absorption perspire performance and waterproof performance are good, are applicable to as swimsuit, sandy beach trousers or the waterproof surface fabric of leisure, excellent in use effect. The utility model discloses a base cloth 1 adopts the tencel yarn to weave and forms, has high dry, wet strength, adopts plain weave to weave, and the surface is level and smooth, and fabric stability is good, helps carrying out the surface electrostatic spinning complex, adopts high count high density fabric structure simultaneously, and intensity is high, prevent wind ventilation effect good, and the fibrous moisture absorption air permeability of tencel is good, and the sense of touch is comfortable, at base cloth 1 surface complex inlayer nanofiber membrane 2 and top layer nanofiber membrane 3, improves the resistant hydrostatic pressure value of base cloth 1 greatly, improves its waterproof performance; the PMMA nanofiber membrane is soft and good in flexibility, and the strength and the touch feeling of the PVDF nanofiber membrane are improved; and the aperture of PVDF nanofiber membrane is little and even, can guarantee the utility model discloses a waterproof performance.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A nanofiber composite fabric is characterized by comprising base cloth, an inner layer nanofiber membrane and a surface layer nanofiber membrane; the inner layer nanofiber membrane is compounded on the outer surface of the base cloth; the surface layer nanofiber membrane is compounded on the inner layer nanofiber membrane; the base cloth is tencel woven fabric; the tencel woven fabric is formed by weaving tencel yarns by adopting plain weave; the tencel yarn is formed by spinning tencel fibers; the antenna yarn is 100S; the twist of the antenna yarn is 160 twists/10 cm; the warp density of the tencel woven fabric is not less than 380 pieces/5 cm; the weft density of the tencel woven fabric is not less than 340 pieces/5 cm; the inner layer nanofiber membrane is a PMMA nanofiber membrane; the thickness of the inner layer nanofiber membrane is 7-15 μm; the surface layer nanofiber membrane is a PVDF nanofiber membrane; the thickness of the surface layer nanofiber membrane is 2-6 mu m.

2. The nanofiber composite fabric as claimed in claim 1, wherein the inner nanofiber membrane is formed by interweaving electrospun PMMA nanofiber filaments; the PMMA nanofiber filament has the average diameter of 250-330 nm.

3. The nanofiber composite fabric as claimed in claim 2, wherein the surface nanofiber membrane is formed by interweaving electrospun PVDF nanofiber filaments; the average diameter of the PVDF nano-fiber filament is 600-850 nm.

4. The nanofiber composite fabric as claimed in claim 3, wherein the surface of the inner nanofiber membrane is coated with a titanium dioxide nano-coating; the titanium dioxide nano coating is positioned between the inner layer nanofiber membrane and the surface layer nanofiber membrane; the thickness of the titanium dioxide nano coating is 150-300 nm.

5. The nanofiber composite fabric according to claim 3, wherein a silica nano-coating is knife-coated on the surface of the surface nanofiber membrane.

6. The nanofiber composite fabric according to claim 3, wherein the warp density of the tencel woven fabric is 460 threads/5 cm; the weft density of the tencel woven fabric is 396 pieces/5 cm.