CN212404415U

CN212404415U - Graphene aerogel thermal fabric

Info

Publication number: CN212404415U
Application number: CN201922298970.5U
Authority: CN
Inventors: 候勇; 吴正刚; 于慧娟; 杨沙沙
Original assignee: Xinzhengjian Tianjin Nanotechnology Co ltd
Current assignee: Xinzhengjian Tianjin Nanotechnology Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2021-01-26
Anticipated expiration: 2029-12-19

Abstract

A graphene aerogel thermal fabric comprises an upper layer, a spacing layer and a lower layer, wherein the spacing layer is connected with the upper layer and the lower layer, the spacing layer is woven by aerogel yarns, the upper layer and the lower layer are woven together by the aerogel yarns, the upper layer is provided with a uniform breathable structure, the upper layer, the spacing layer and the lower layer are integrally woven and formed, the upper layer, the spacing layer and the lower layer are fed with yarns in a three-way mode through a 3D warp knitting machine, and the upper layer, the spacing layer and the lower layer are woven simultaneously; the air and moisture permeability, softness and comfort of the fabric are improved, the fabric has excellent heat retention property, and meanwhile, the fabric has the properties of light weight, quick drying and peculiar smell resistance; the lower fabric has far infrared, antibacterial and antistatic health-care functions, generates heat effect and promotes blood circulation.

Description

Graphene aerogel thermal fabric

Technical Field

The utility model relates to a weave technical field, concretely relates to graphite alkene aerogel surface fabric that keeps warm.

Background

With the continuous development of science and technology and the improvement of the living standard of people, ecological and healthy products become new heights pursued by people. People's clothing and articles have not only satisfied the practicality and durability aspects, but have begun to pursue the comfort and environmental aspects of wearing. In the weaving field, fibers with different functions are mixed, and the functions of various fibers are combined, so that the functional range and the health care effect are widened.

The graphene is a two-dimensional carbon nano-structure material which is allotrope with fullerene and carbon nano-tubes, and the unique two-dimensional nano-laminated carbon structure of the graphene enables the graphene to have ultrahigh specific surface area, electric conductivity, heat conductivity, antibacterial property and mechanical property, so that the graphene serving as an additive can endow the textile with functions of far infrared, ultraviolet resistance, antibacterial property, bacteriostasis, flame retardance, mechanical enhancement and the like, and the added value of the textile is improved.

In recent years, with the increasing of extremely severe weather, people have made higher requirements on the heat retention performance of textiles, in the current common fiber materials, animal fibers such as cashmere, duck down and the like have the best heat retention performance, but the materials are obtained in a mode of being exposed to animals by animal protection tissue for many times, aerogel has been applied to some fabrics due to lower heat conductivity, but no heat retention fabric with the functions of heat retention, comfort, light weight and quick drying is available in the market at present.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to provide a graphite alkene aerogel thermal fabric that collects cold-proof, health care, comfortable, pleasing to the eye in an organic whole, excellent performance.

In order to solve the technical problem, the utility model discloses a technical scheme is: the graphene aerogel thermal fabric comprises an upper surface layer, a spacing layer and a lower surface layer, wherein the spacing layer is connected with the upper surface layer and the lower surface layer, the upper surface layer is provided with a uniform breathable structure, the spacing layer is woven by aerogel, and the lower surface layer is woven by graphene pure spinning or blended yarns.

Further, upper strata, wall and lower floor are weaving the shaping for an organic whole, upper strata, wall and lower floor pass through 3D tricot machine, can be current TECHNIT D3 type circular knitting machine, carry out three-way yarn feed, the cellulose fiber yarn is the bottom yarn, graphite alkene yarn and aerogel yarn are as adding sand, three-way simultaneous braiding makes the aerogel yarn hide completely between cellulose fiber yarn and graphite alkene yarn, weave upper strata, wall and lower floor simultaneously, and TECHNIT D3 type circular knitting machine cylinder triangle four-needle lane, dial triangle two-needle lane, can make the upper strata have comparatively abundant surface structure, make cold-proof surface fabric more light ventilative.

Further, the upper layer is woven by cellulose fiber yarns.

Further, the spacing layer is woven by aerogel, and the aerogel can be silica aerogel.

Further, the lower surface layer is woven by graphene pure spinning yarns.

Further, the lower surface layer is woven by graphene blended yarns.

Furthermore, the ventilation structure is provided with uniformly distributed ventilation holes.

Compared with the prior art, the utility model has the advantages and positive effect be:

1. the utility model provides a graphite alkene aerogel thermal fabric, upper strata fabric adopt the cellulose fiber yarn to weave, and the intermediate space layer adopts the aerogel yarn to weave, and lower surface layer adopts graphite alkene pure spinning or blended yarn to weave. The upper layer improves the air permeability, moisture permeability, softness and comfort of the fabric; the middle spacing layer enables the fabric to have excellent heat retention property and simultaneously have the properties of light weight, quick drying and peculiar smell resistance; the lower fabric has far infrared, antibacterial and antistatic health-care functions, generates heat effect and promotes blood circulation.

2. The materials are used for combining the weave structure of each layer of the fabric, and the function of the fabric is played to the maximum. The utility model provides a cold-proof surface fabric of graphite alkene aerogel has the beneficial far infrared of human body, antibacterial, antistatic health function, possesses the high-efficient good performance that keeps warm, light, quick-drying, anti peculiar smell simultaneously.

3. The utility model provides a fabric with good performance, which integrates warm keeping, health care, comfort and beauty, and is more suitable for the needs of users.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 is a structural view of the upper layer of the present invention.

In the figure: an upper layer-1, a spacing layer-2, a lower layer-3 and a ventilation structure-4.

Detailed Description

For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.

Example 1:

a graphene aerogel thermal fabric comprises an upper surface layer 1, a spacing layer 2 and a lower surface layer 3, wherein the spacing layer 2 is connected with the upper surface layer 1 and the lower surface layer 3, the upper surface layer 1 is woven by cellulose fiber yarns, the spacing layer 2 is woven by silica aerogel yarns, the lower surface layer 3 is woven by graphene pure spinning yarns, the upper surface layer 1 and the lower surface layer 3 are woven together by the aerogel yarns, the upper surface layer 1 is provided with a uniform ventilation structure 4, the ventilation structure 4 is circular ventilation holes and ventilation grooves which are uniformly distributed, the spacing layer 2 is connected with the upper surface layer 1 and the lower surface layer 3 by weaving, the upper surface layer 1, the spacing layer 2 and the lower surface layer 3 are integrally woven and formed, the upper surface layer 1, the spacing layer 2 and the lower surface layer 3 are subjected to three-line yarn feeding by a TECHNIT D3 circular machine, the cellulose fiber yarns are ground yarns, the graphene yarns and the aerogel yarns are used for adding sand, the three, aerogel yarns were completely hidden between the cellulose fiber yarns and the graphene yarns, and an upper layer 1, a spacer layer 2, and a lower layer 3 were woven at the same time as an experimental group a.

Example 2:

a graphene aerogel thermal fabric comprises an upper layer 1, a spacing layer 2 and a lower layer 3, wherein the spacing layer 2 is connected with the upper layer 1 and the lower layer 3, the upper layer 1 is woven by cellulose fiber yarns, the spacing layer 2 is woven by silica aerogel yarns, the lower layer 3 is woven by graphene and silica aerogel blended yarns, the upper layer 1 and the lower layer 3 are woven together by the aerogel yarns, the upper layer 1 is provided with a uniform ventilation structure 4, the spacing layer 2 is connected with the upper layer 1 and the lower layer 3 by weaving, the upper layer 1, the spacing layer 2 and the lower layer 3 are integrally woven and formed, the upper layer 1, the spacing layer 2 and the lower layer 3 are subjected to three-line yarn feeding by a TECHNIT D3 type circular machine, the cellulose fiber yarns are ground yarns, the graphene yarns and the aerogel yarns are used as sand adding yarns, and the three lines are simultaneously woven to enable the aerogel yarns to be completely hidden between the cellulose fiber yarns and the graphene yarns, the upper layer 1, the spacer layer 2 and the lower layer 3 were woven simultaneously as experimental group B.

Compared with example 1, in this embodiment, the lower layer 3 is woven by the graphene and silica aerogel blended yarns, and the graphene yarns account for 50% of the total yarn content of the lower layer.

Example 3:

the utility model provides a graphite alkene aerogel thermal fabric, includes upper strata 1, wall 2 and lower surface course 3, wall 2 connects upper strata 1 and lower surface course 3, and upper strata 1 weaves for cellulose fiber yarn, and wall 2 adopts silicon dioxide aerogel yarn to weave, and lower surface course 3 weaves for graphite alkene pure spinning yarn, weaves upper strata 1 and lower surface course 3 together through the aerogel yarn, and wall 2 connects upper strata 1 and lower surface course 3 through weaving, and upper strata 1, wall 2 and lower surface course 3 are the integrated into one piece for weaving the shaping, upper strata 1, wall 2 and lower surface course 3 carry out three-way yarn feed through TECHNIT D3 type circular knitting machine, and cellulose fiber yarn is the bed yarn, and graphite alkene yarn and aerogel yarn are as adding sand, and three-way simultaneous weaving makes the aerogel yarn hide completely between cellulose fiber yarn and graphite alkene yarn, weaves upper strata 1 simultaneously, Spacer layer 2 and lower layer 3 as experimental group C.

In contrast to example 1, the upper layer 1 of this example is free of the air-permeable structure 4.

Example 4:

a fabric woven from cellulose fibers, also having a triple layer structure, was also included as a control.

The test results of the test group a, the test group B, the test group C and the control group on the heat retention property, the antibacterial property and the moisture permeability are shown in table 1 and table 2.

1. And (3) antibacterial property experiment: respectively contacting experiment groups A, B, C and control group with Staphylococcus aureus (viable bacteria concentration of 2.5 × 10)⁴cfu/ml), determining the viable bacteria concentration of the experiment group A, the experiment group B, the experiment group C and the control group which vibrate for 18h, determining the absorbance, calculating the antibacterial rate through the absorbance, washing the fabrics of the experiment group A, the experiment group B and the experiment group C for 20 times, re-contacting, determining the viable bacteria concentration of the washed fabrics which vibrate for 18h, determining the absorbance, and calculating the antibacterial rate through the absorbance (the antibacterial rate is%]%) and the results are shown in table 1.

Table 1: bacteriostatic rate of experiment group A, experiment group B, experiment group C and control group

Can know through table 1, the surface fabric in the experimental group A-C has good antibacterial effect, because aerogel itself has porous material, has decided that it has the natural antibiotic effect of efficient, and the unique two-dimensional structure of graphite alkene makes it can take place superstrong interact with the phospholipid molecule on the bacterial cell membrane to lead to a large amount of phospholipid molecules to break away from the cell membrane and adsorb the surface of graphite alkene, thereby play the effect that restraines bacterial growth, can know through table 1, the utility model provides an anti staphylococcus aureus's of surface fabric antibacterial rate can reach 98%, and the antibacterial rate also can reach 97% after wasing.

2. Warm keeping and air permeability experiments: the infrared absorption rate and the moisture permeability of the experimental group A, the experimental group B, the experimental group C and the control group are respectively measured, the far infrared emissivity of a sample is measured through the dual-frequency infrared emission tester, the heat insulation effect of the clothing can be directly reflected through the measurement of the far infrared emissivity, the mass of water vapor passing through a unit area within 24h is measured when the fabric with the same thickness is in an environment of 25 ℃, the moisture permeability of the experimental group A, the experimental group B, the experimental group C and the control group is calculated, and the result is shown in a table 2.

Table 2: warmth retention and moisture permeability of experimental group A, experimental group B, experimental group C and control group

	Experimental group A	Experimental group B	Experimental group C	Control group
					Far infrared emissivity	0.911	0.879	0.914	0.853
Moisture permeability	0.504	0.432	0.558	0.366

Can know through table 1, surface fabric far infrared emissivity in the experimental group A-C is higher, all is higher than the far infrared emissivity of cellulose in the contrast group, and the far infrared emissivity in the experimental group B is less than experimental group A and experimental group C, this is because the aerogel has good thermal insulation performance, and graphite alkene has good far infrared emission nature, the utility model provides a cold-proof surface fabric can have good thermal insulation performance and can promote blood circulation through the far infrared, plays the health care effect to the human body, and has good exhaust wet performance, can breathe freely and perspire, guarantees human travelling comfort.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The utility model provides a graphite alkene aerogel thermal fabric which characterized in that: including upper surface layer (1), wall (2) and lower surface course (3), upper surface layer (1) and lower surface course (3) are connected to wall (2), upper surface layer (1) has even ventilative structure (4), wall (2) are woven for the aerogel, lower surface course (3) are woven for graphite alkene pure spinning or blended yarn.

2. The graphene aerogel thermal fabric according to claim 1, which is characterized in that: the upper layer (1), the spacing layer (2) and the lower layer (3) are integrally woven and formed, and the upper layer (1), the spacing layer (2) and the lower layer (3) are woven by a three-line yarn feeding machine through a 3D warp knitting machine, and meanwhile, the upper layer (1), the spacing layer (2) and the lower layer (3) are woven.

3. The graphene aerogel thermal fabric according to claim 1, which is characterized in that: the spacing layer (2) is connected with the upper layer (1) and the lower layer (3) through weaving.

4. The graphene aerogel thermal fabric according to claim 1, which is characterized in that: the upper layer (1) is woven by cellulose fiber yarns.

5. The graphene aerogel thermal fabric according to claim 1, which is characterized in that: the lower surface layer (3) is woven by graphene blended yarns.

6. The graphene aerogel thermal fabric according to claim 1, which is characterized in that: the lower surface layer (3) is woven by graphene pure spinning yarns.

7. The graphene aerogel thermal fabric according to claim 1, which is characterized in that: the spacing layer (2) is made of silicon dioxide aerogel.

8. The graphene aerogel thermal fabric according to claim 1, which is characterized in that: the ventilation structure (4) is provided with ventilation holes which are uniformly distributed.