CN107557957B - Fabric material capable of realizing rigid-flexible switching - Google Patents
Fabric material capable of realizing rigid-flexible switching Download PDFInfo
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- CN107557957B CN107557957B CN201710829356.XA CN201710829356A CN107557957B CN 107557957 B CN107557957 B CN 107557957B CN 201710829356 A CN201710829356 A CN 201710829356A CN 107557957 B CN107557957 B CN 107557957B
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- 239000000463 material Substances 0.000 title claims abstract description 72
- 239000004744 fabric Substances 0.000 title claims abstract description 51
- 239000000835 fiber Substances 0.000 claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 claims abstract description 58
- 239000002184 metal Substances 0.000 claims abstract description 58
- 239000002070 nanowire Substances 0.000 claims abstract description 22
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 22
- 239000004753 textile Substances 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 150000002736 metal compounds Chemical class 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 239000002861 polymer material Substances 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 3
- 208000034189 Sclerosis Diseases 0.000 abstract 2
- 230000001681 protective effect Effects 0.000 description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000036541 health Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000009941 weaving Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002121 nanofiber Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- -1 etc. Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Woven Fabrics (AREA)
Abstract
A fabric material capable of rigid-flexible switching comprises a nano metal wire fiber structure, an auxiliary fabric material and a temperature control device. The nano metal wire fiber structure and the auxiliary fabric material are woven in a cross mixing mode or a multi-layer overlapping mode to form the fabric material. Temperature control device can change the temperature of nano-wire fiber structure, because its melting point of wire can reduce by a wide margin under the nanometer scale, therefore nano-wire fibre can produce the softening after the temperature risees to improve fabric material's flexibility, and then improve and dress the travelling comfort, and nano-wire fiber sclerosis after the temperature reduces, fabric material sclerosis has better physical safeguard function. The fabric material can be applied to the fields of medical rehabilitation, ray protection, exoskeleton, flexible robot design, military clothing and the like.
Description
Technical Field
The invention belongs to the technical field of nanofiber materials, and particularly relates to a fabric material capable of realizing rigid-flexible switching.
Background
In recent years, advances in materials and related fields have been greatly driven by advances in nanotechnology. Research has found that many conventional materials have many specific properties, such as ultra-high electrical conductivity, thermal conductivity, or mechanical strength properties, at the nano-scale, as compared to the conventional scale. For example, carbon material, if made into carbon nanotubes, not only has good thermal conductivity, but also has very high strength, which is several times that of steel.
Recent studies have found that many metallic materials, after being formed into nanowires, have a melting point that decreases significantly, even from hundreds to thousands of degrees celsius down to room temperature. By virtue of this feature, we can use it to make fabric materials that can change flexibility if appropriate heating of the nanowires can be used to soften the wires.
In the fields of medicine, industry, military and the like, there is often great demand for materials with variable flexibility, such as human body protection, rehabilitation training, production safety and the like. At present, flexible variable materials which are light, rapid in adjustment and easy to fold and bend are not met at the same time. For example, in medical imaging and nuclear industries, workers often need to be in contact with strong radiation, so that the radiation protective clothing must be worn, the traditional radiation protective clothing is formed by adding metal fibers into cloth or directly inserting metal plates, a thicker metal layer is needed for achieving a better protective effect, and the flexibility of the protective clothing is reduced and the wearing is not flexible.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a fabric material capable of switching between rigidity and flexibility, the composite material can realize the conversion between flexibility and rigidity through temperature control, has the characteristics of high conversion speed, simplicity in control, high flexibility of the material and the like, can be made into different shapes, structures or clothes and the like according to requirements, can be used in the fields of flexible robot design, mechanical exoskeleton, protective clothing, health rehabilitation and the like, and is suitable for the fields of protective wearing, rehabilitation fixing, military clothing, public security and riot prevention and the like.
In order to achieve the purpose, the invention adopts the technical scheme that:
a rigid-flexible switchable textile material comprising:
a nano-wire fiber structure;
a secondary textile material;
and the temperature control device acts on the nano metal wire fiber structure, softens the nano metal wires by heating, realizes that the fabric material is changed from rigidity to flexibility, and restores the original rigid state of the nano metal wires by closing the heating, and realizes that the fabric material is changed from flexibility to rigidity.
The nano metal wire fiber structure and the auxiliary fabric material are mutually overlapped to form a structure required by clothes or cloth and the like. Or the nano metal wire and the auxiliary fabric material are mixed and woven in a crossed mode, or the nano metal wire fiber structure is wrapped in the heating pipeline of the temperature control device and then mixed and woven or stacked with the auxiliary fabric material in a multilayer mode.
The nano metal wire fiber structure adopts simple substance metal, alloy or metal compound which can be made into nano fiber. Compared with common metal wires, the nano metal wire fibers have lower melting points and can generate softening action or melting at higher temperature, so that the elastic modulus of the nano metal wire fibers is changed. The metal wire fiber can be formed by weaving a single nano metal wire, or can be formed by mutually winding a plurality of nano metal wires to form a single fiber and weaving the single fiber.
The auxiliary fabric material is a textile type structure which is composed of one or more of cotton spinning, chemical fiber and organic elastic high polymer material and has high flexibility and tensile strength.
The temperature control device is used for changing the temperature of the nano metal wire fiber structure, can be a common heating wire or a heating fluid pipeline, and enables the temperature of the nano metal wire fiber structure to rise through a heat conduction mode, or the temperature control device is an electric temperature control device, and with the help of the conductivity of the nano metal wire fiber, current is introduced into the nano metal wire fiber, and the temperature of the nano metal wire fiber structure is increased by utilizing the electric heating effect.
The temperature control device can be a single heating structure, and the fabric material is changed from flexibility to rigidity through natural cooling, or the temperature control device is a device with heating and cooling functions, and the fabric material is changed from flexibility to rigidity through active cooling.
The temperature control device is provided with a temperature measuring sensor, measures the temperature of the nano metal wire fiber structure, stably adjusts the temperature of the nano metal wire fiber structure through feedback, and finally realizes stable control.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention combines the nano metal wires and the fiber textile material, and obtains the textile material which can be randomly switched between rigidity and flexibility by the characteristics of low melting point of the nano metal wires and good electric and thermal conductivity. The fabric has high rigidity in a non-heating state, is not easy to deform, and has good protective capacity, and the fabric can have good flexibility in a heating state, can be bent and folded at will, and the like.
2. The invention can be used for ray protective clothing, and also can make ray protective metal (such as lead) into nano metal wire fiber, and after heating, the protective clothing has the characteristics of good protective effect and flexible and comfortable wearing.
3. The fabric material capable of being switched between rigid and flexible has the characteristics of light wearing, good air permeability, low required external energy and the like. Can be used in the fields of health rehabilitation, industrial protection, military clothing and the like. Meanwhile, in the design of the flexible robot and the exoskeleton, the flexible and variable composite material can be utilized to meet the requirements of flexibility, wearing comfort, mechanical strength and the like.
In summary, the textile material capable of rigid-flexible switching realized by the invention has the characteristic of being capable of changing the flexibility of the textile material through temperature control, and can be made into various shapes, structures or clothes and the like. Compared with the traditional protective material, the novel protective material has the advantages of light wearing, easy bending, folding and cutting, high switching speed, good air permeability and the like. Is expected to be applied in the fields of industrial production, military, robots, medical health and the like.
Drawings
Fig. 1 is a schematic diagram of a fabric material capable of rigid-flexible switching according to the present invention, and the flexibility of the nano-wire fiber and the auxiliary fabric material is changed by directly electrifying and heating the nano-wire through a material structure formed by hybrid weaving.
Fig. 2 is a schematic diagram of a fabric material capable of rigid-flexible switching according to the present invention, and the nano-wire fibers and the auxiliary fabric material are stacked in multiple layers to form a material structure, and the flexibility of the nano-wire fiber layer is changed by heat conduction through a single heating sheet.
Fig. 3 is a schematic diagram of the fabric material capable of rigid-flexible switching applied to a garment, wherein the left side is a schematic diagram of the heated nano-wire fiber after temperature control is turned on, and the right side is a schematic diagram of the hardened nano-wire fiber after temperature control is turned off or cooled.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the drawings and examples.
Fig. 1 is a schematic view of a fabric material capable of rigid-flexible switching according to the present invention, and is also an embodiment of the present invention.
Specifically, in the present embodiment, in the nano metal wire fiber structure 1, the nano metal wire fiber is a copper material, the copper nano wire is wound by a plurality of wires to form a single nano metal wire fiber, the auxiliary fabric material 2 is chemical fiber polyester, and as can be seen from the partial enlarged view in the figure, the chemical fiber polyester and the nano metal wire fiber are alternately mixed and woven to form a basic fabric material structure.
In this embodiment, the temperature control device 3 is a dc power supply, the positive and negative electrodes of which are directly connected to the two ends of the nano-metal wire fiber structure 1, when the temperature control device 3 is turned on, the dc power is introduced into the copper nano-metal wire fibers, the electric energy is converted into heat energy, the temperature of the nano-metal wire fiber structure 1 is raised, and the nano-metal wire fiber structure is relatively softened, so that the flexibility of the fabric material with rigid-flexible switching is improved.
Fig. 2 is a schematic view of a fabric material capable of rigid-flexible switching according to the present invention, which is also an embodiment of the present invention.
In the specific embodiment, among the nano metal silk fiber structure 1, the nano metal silk fiber is the copper material, the copper nanowire forms single nano metal silk fiber through many windings, single nano metal silk fiber intercrossing is woven, form nano metal silk fiber layer, supplementary fabric material 2 is chemical fiber cotton fiber, supplementary fabric material 2 forms one deck textile structure alone, and with nano metal silk fiber structure 1 superpose each other, temperature control device 3 is flexible heating plate, copper nano metal silk fiber and 2 three-layer superpositions of supplementary fabric material, constitute final fabric material that can just switch over, as shown on the right side of the figure. The fabric material has good flexibility when the temperature control device 3 is open and a higher stiffness when the temperature control device 3 is closed, providing better physical protection.
Fig. 3 is a schematic view of the fabric material capable of rigid-flexible switching applied to protective clothing, wherein the dark stripe region is a fabric material covering portion. When the temperature control device is opened, the fabric material is flexible and the user can move freely and flexibly, as shown in the left figure. When the temperature control device is closed, the fabric material hardens, thereby providing the protective garment with a higher degree of stiffness and improved protective performance. If the invention is applied to ray protection clothes, the invention can also effectively improve the wearing comfort of the clothes under the condition of not reducing the protection effect.
In more embodiments of the present invention, the material of the nano-metal wire fiber may also be other simple substance metals such as iron, gold, aluminum, zinc, magnesium, titanium, etc., alloys such as brass, carbon-containing steel, bronze, magnesium-aluminum alloy, etc., or metal compounds such as aluminum oxide, aluminum nitride, etc., compared with the common metal wire, the melting point of the nano-metal wire fiber is between 0 and 150 ℃, and the nano-metal wire fiber can be softened or melted under heating conditions, so as to change the elastic modulus thereof.
Finally, it should be noted that the above examples of a fabric material that can be switched rigidly and flexibly are only intended to illustrate the technical solution of the present invention and are not intended to be limiting. Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A rigid-flexible switchable textile material, comprising:
the nano metal wire fiber structure (1) is characterized in that the melting point of the nano metal wire fiber is 0-150 ℃;
an auxiliary textile material (2);
and a temperature control device (3), wherein the temperature control device (3) acts on the nano metal wire fiber structure (1), the nano metal wires are softened by heating, the fabric material is changed from rigidity to flexibility, the nano metal wires are restored to the original rigid state by closing the heating, the fabric material is changed from flexibility to rigidity,
the temperature control device (3) is provided with a temperature measuring sensor, measures the temperature of the nano metal wire fiber structure (1), and stably adjusts the temperature of the nano metal wire fiber structure (1) through feedback.
2. A rigid-flexible switchable textile material according to claim 1, characterized in that the nano-wire fibre structure (1) employs elementary metals, alloys or metal compounds that can be made into nano-fibres.
3. The fabric material capable of rigid-flexible switching according to claim 1, wherein the nano-wire fiber structure (1) is woven from a single nano-wire or is woven from a plurality of nano-wires wound around each other.
4. Textile material according to claim 1, characterized in that the auxiliary textile material (2) is a chemical fiber and/or an organic elastic polymer material.
5. A rigid-flexible switchable textile material according to claim 1, characterized in that the temperature control means (3) is a common heating wire or a heating fluid conduit, which increases the temperature of the nano-wire fibre structure (1) by means of heat conduction, or that the temperature control means (3) is an electrical temperature control means, which increases the temperature of the nano-wire fibre structure (1) by means of electrical heating by passing an electrical current through the nano-wire fibres by means of the electrical conductivity of the nano-wire fibres.
6. The fabric material capable of rigid-flexible switching according to claim 1, wherein the temperature control device (3) is a single heating structure, and the fabric material is changed from flexibility to rigidity through natural cooling, or the temperature control device (3) is a device with heating and cooling functions, and the fabric material is changed from flexibility to rigidity through active cooling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710829356.XA CN107557957B (en) | 2017-09-14 | 2017-09-14 | Fabric material capable of realizing rigid-flexible switching |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710829356.XA CN107557957B (en) | 2017-09-14 | 2017-09-14 | Fabric material capable of realizing rigid-flexible switching |
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| CN107557957A CN107557957A (en) | 2018-01-09 |
| CN107557957B true CN107557957B (en) | 2020-07-28 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110192684A (en) * | 2018-02-23 | 2019-09-03 | 智能纺织科技股份有限公司 | Temperature control memory fabric and use its manufactured wear |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6790526B2 (en) * | 1998-01-30 | 2004-09-14 | Integument Technologies, Inc. | Oxyhalopolymer protective multifunctional appliqués and paint replacement films |
| US20070232173A1 (en) * | 2005-09-13 | 2007-10-04 | Bain Allan D | Non-plain-woven laminated structures |
| CN102296405B (en) * | 2010-06-28 | 2013-08-21 | 中国科学院理化技术研究所 | Composite fabric containing liquid metal |
| WO2015127081A1 (en) * | 2014-02-19 | 2015-08-27 | Gridtential Energy, Inc. | Current collector for lead acid battery |
| CN206214260U (en) * | 2016-05-30 | 2017-06-06 | 中国科学院上海硅酸盐研究所 | A kind of wearable electric heating system |
| CN205886164U (en) * | 2016-08-11 | 2017-01-18 | 京东方科技集团股份有限公司 | Protective equipment |
| CN106969668B (en) * | 2017-05-15 | 2019-03-22 | 清华大学 | A kind of safeguard structure of flexible variable |
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