CN110965317B - Anti-electromagnetic radiation silk fabric and preparation method thereof - Google Patents
Anti-electromagnetic radiation silk fabric and preparation method thereof Download PDFInfo
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- CN110965317B CN110965317B CN201911336186.7A CN201911336186A CN110965317B CN 110965317 B CN110965317 B CN 110965317B CN 201911336186 A CN201911336186 A CN 201911336186A CN 110965317 B CN110965317 B CN 110965317B
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- 239000004744 fabric Substances 0.000 title claims abstract description 88
- 230000005855 radiation Effects 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 21
- MLAOBUNVZFBLLT-UHFFFAOYSA-N nickel propan-2-ol Chemical compound [Ni].CC(C)O.CC(C)O MLAOBUNVZFBLLT-UHFFFAOYSA-N 0.000 claims abstract description 16
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 claims abstract description 10
- 239000011259 mixed solution Substances 0.000 claims description 37
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 10
- 230000005670 electromagnetic radiation Effects 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- -1 nickel isopropoxide-isopropanol Chemical compound 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 15
- 238000005406 washing Methods 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 5
- 239000003377 acid catalyst Substances 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000003471 anti-radiation Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/49—Oxides or hydroxides of elements of Groups 8, 9,10 or 18 of the Periodic Table; Ferrates; Cobaltates; Nickelates; Ruthenates; Osmates; Rhodates; Iridates; Palladates; Platinates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
- D06M2101/12—Keratin fibres or silk
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention relates to an anti-electromagnetic radiation silk fabric and a preparation method thereof. The method takes nickel dichloride, isopropanol, ammonia gas and the like as raw materials, firstly, nickel isopropoxide is prepared, and NiO sol is prepared from the nickel isopropoxide under the condition of an acid catalyst; coating NiO sol on the silk fabric by adopting a gluing method; and then drying the obtained anti-electromagnetic radiation silk fabric. The shielding rate range of the anti-electromagnetic radiation silk fabric prepared by the invention is higher than 98%, and the shielding effectiveness range is distributed in the range of 30-31 dB; after 20 times of water washing, the shielding rate and the shielding effectiveness of the anti-electromagnetic radiation silk fabric still show higher efficiency.
Description
Technical Field
The invention belongs to the technical field of silk fabric preparation, and particularly relates to an anti-electromagnetic radiation silk fabric and a preparation method thereof.
Background
With the development of science and technology, the use frequency of electronic products is higher and higher, and the electronic products mainly include: cell-phone, computer, microwave oven etc. when using these electronic product, these electronic product can launch radio wave to different degrees, and radio wave can cause certain injury to the human body to different degrees, and is particularly for the pregnant woman, and it is indispensable to take effectual safeguard measure. Therefore, for the harm of radio waves around our life, we should take certain measures to reduce the harm, and wearing the clothes made of the anti-electromagnetic radiation fabric is an effective method.
At present, the preparation methods of the anti-electromagnetic radiation fabric are more, mainly comprising: (1) is prepared by blending metal fibers; (2) the anti-electromagnetic radiation fabric layer and other fabrics are prepared by overlapping a plurality of layers of fabrics; (3) and coating a layer of material with the electromagnetic radiation prevention function on the surface of the fabric. For the method (1), because the skin affinity of the metal fiber and the human body is poor, the fabric cannot be worn close to the body, and has certain limitation; for the method (2), the air permeability of the fabric is poor due to the superposition of multiple layers of fabrics; the fabric for preventing electromagnetic radiation prepared by the method (3) has certain advantages, but the method needs to develop excellent coating materials, thereby bringing challenges to the successful preparation of the fabric for preventing electromagnetic radiation.
Electromagnetic radiation shielding fabrics have a wide range of applications in many fields, and therefore, research on the fabrics has received a lot of attention, such as: the Chinese invention patent application number 201510252253.2 discloses a lace and radiation-proof fabric composite fabric, which is formed by compounding a radiation-proof fabric layer, an adhesive layer and a lace layer for three times, and has the defects that the fabric contains the adhesive layer and has poor water washing resistance; the Chinese patent application No. 201710722786.1 discloses an anti-radiation fabric and a production method thereof, the fabric comprises a base fabric layer, an anti-radiation resin layer, an auxiliary layer, a protective layer and a wear-resistant layer, and the defect is that the fabric is composed of a plurality of layer fabrics, the softness is poor, and the fabric is not suitable for being used as a daily garment fabric for people. Although people have conducted extensive research on the anti-electromagnetic radiation fabric, it is difficult to obtain the anti-electromagnetic radiation fabric with excellent performance, high quality and low price.
Disclosure of Invention
The invention aims to provide the anti-electromagnetic radiation silk fabric, so as to overcome the defects in the prior art, the silk fabric has better anti-electromagnetic radiation performance, the preparation method is simple, the raw material source is wide, and the popularization prospect is stronger.
The invention aims to provide an anti-electromagnetic radiation silk fabric, which can be prepared by the following method: with nickel dichloride (NiCl)2) Firstly, preparing nickel isopropoxide from raw materials of isopropanol, ammonia gas and the like, and preparing NiO sol from the nickel isopropoxide under the condition of an acid catalyst; coating NiO sol on the silk fabric by adopting a gluing method; and then drying the obtained anti-electromagnetic radiation silk fabric.
The invention also aims to provide a preparation method of the anti-electromagnetic radiation silk fabric, which comprises the following steps:
(1) nickel isopropoxide (Ni (i-OC)3H7)2) The preparation of (1): mixing nickel dichloride (NiCl)2) Uniformly mixing with isopropanol, stirring for 1-3 hours, and introducing ammonia gas for reaction for 2-4 hours; and after the reaction is finished, filtering to obtain filtrate, namely the nickel isopropanol-isopropanol mixed solution.
Preferably, the mass-to-volume ratio of nickel dichloride (g) to isopropanol (mL) is: 1: 20-30; the introduction speed of ammonia gas is as follows: 1-3 mL/min.
(2) Preparing NiO sol: dissolving the isopropanol nickel-isopropanol mixed solution prepared in the step (1) in an isopropanol solvent to prepare a mixed solution a, dissolving hydrochloric acid with the mass fraction of 10% in deionized water to prepare a mixed solution b, dropwise adding the mixed solution b into the mixed solution a, stirring and dropwise adding for 1-3 hours at the reaction temperature of 80-90 ℃, and aging for 4-6 hours after dropwise adding is completed to prepare the NiO sol.
Preferably, the volume ratio of the nickel isopropoxide-isopropanol mixed solution (mL) prepared in the step (1) to the isopropanol solvent (mL) in the mixed solution a is as follows: 1: 5-10; the mass-to-volume ratio of 10% hydrochloric acid (mL) to deionized water (mL) in the mixed solution b is as follows: 1: 20-40.
(3) Gluing: and immersing the silk fabric into NiO sol on gluing equipment, gluing, and coating by a proper coating weight.
(4) And (3) drying: and (4) drying the silk fabric treated in the step (3) for 8-12 hours at the temperature of 90-100 ℃ to obtain the anti-electromagnetic radiation silk fabric.
The invention has the following remarkable characteristics:
(1) the shielding rate range of the anti-electromagnetic radiation silk fabric prepared by the invention is higher than 98%, and the shielding rate of the purchased silk fabric is only 19.8%. The shielding effectiveness range of the anti-electromagnetic radiation silk fabric is distributed within 30-31 dB, and the shielding effectiveness of the purchased silk fabric is only 7.69 dB. After 20 times of water washing, the shielding rate and the shielding effectiveness of the anti-electromagnetic radiation silk fabric still show higher efficiency.
(2) The invention uses nickel dichloride (NiCl)2) Preparing nickel isopropoxide by using isopropanol and ammonia gas as raw materials; the preparation method is simple and has wide raw material sources.
(3) The method adopts a sol-gel method to prepare NiO sol, and then the NiO sol is coated on the silk fabric to prepare the anti-electromagnetic radiation silk fabric; compared with the existing fabric anti-electromagnetic radiation modification method, the production process is simple, and the method has a strong popularization prospect.
Drawings
FIG. 1 is a schematic diagram of a gluing device in embodiments 1-3 (1. dipping tank; 2. cooling and solidifying device; 3. traction device; 4. rolling device; 5. support).
Detailed Description
The examples described below illustrate the invention in detail.
Example 1
In this embodiment, the anti-electromagnetic radiation silk fabric is prepared by the following method, including the following steps:
(1) nickel isopropoxide (Ni (i-OC)3H7)2) The preparation of (1): 10g of nickel dichloride (NiCl)2) Uniformly mixing with 250mL of isopropanol, stirring for 2 hours, and introducing ammonia gas for reaction, wherein the introduction speed of the ammonia gas is as follows: 2mL/min, and the reaction time is 3 hours; after the reaction is finished, filtering to obtain filtrate, namely the nickel isopropanol-isopropanol mixed solution.
(2) Preparing NiO sol: and (2) dissolving 20mL of the nickel isopropoxide-isopropanol mixed solution prepared in the step (1) in 150mL of isopropanol to prepare a mixed solution a, dissolving 10mL of 10% hydrochloric acid in 300mL of deionized water to prepare a mixed solution b, dropwise adding the mixed solution b into the mixed solution a, stirring and dropwise adding for 1-3 hours at the reaction temperature of 85 ℃, and aging for 5 hours after dropwise adding is completed to prepare the NiO sol.
(3) Gluing: soaking silk fabric into NiO sol on a gluing device, wherein the schematic diagram of the gluing device is shown in figure 1, and gluing the silk fabric with the coating weight of 12.5g/m2。
(4) And (3) drying: and (4) drying the silk fabric treated in the step (3) at 95 ℃ for 10 hours to obtain the anti-electromagnetic radiation silk fabric a.
Example 2
In this embodiment, the anti-electromagnetic radiation silk fabric is prepared by the following method, including the following steps:
(1) nickel isopropoxide (Ni (i-OC)3H7)2) The preparation of (1): 10g of nickel dichloride (NiCl)2) Mixing with 200mL of isopropanol uniformly, stirring for 1 hour, and introducing ammonia gas for reaction, wherein the introduction speed of the ammonia gas is as follows: 1mL/min, and the reaction time is 2 hours; and after the reaction is finished, filtering to obtain filtrate, namely the nickel isopropanol-isopropanol mixed solution.
(2) Preparing NiO sol: and (2) dissolving 20mL of the nickel isopropoxide-isopropanol mixed solution prepared in the step (1) in 100mL of isopropanol to prepare a mixed solution a, dissolving 10mL of 10% hydrochloric acid in 200mL of deionized water to prepare a mixed solution b, dropwise adding the mixed solution b into the mixed solution a, stirring and dropwise adding for 1 hour at the reaction temperature of 80 ℃, and aging for 4 hours after dropwise adding is completed to prepare NiO sol.
(3) Gluing: soaking silk fabric into NiO sol on a gluing device, wherein the schematic diagram of the gluing device is shown in figure 1, and gluing the silk fabric with the coating weight of 13.7g/m2。
(4) And (3) drying: and (4) drying the silk fabric treated in the step (3) at 90 ℃ for 10 hours to obtain the anti-electromagnetic radiation silk fabric b.
Example 3
In this embodiment, the anti-electromagnetic radiation silk fabric is prepared by the following method, including the following steps:
(1) nickel isopropoxide (Ni (i-OC)3H7)2) The preparation of (1): 10g of nickel dichloride (NiCl)2) Uniformly mixing with 300mL of isopropanol, stirring for 3 hours, and introducing ammonia gas for reaction, wherein the introduction speed of the ammonia gas is as follows: 3mL/min, and the reaction time is 4 hours; and after the reaction is finished, filtering to obtain filtrate, namely the nickel isopropanol-isopropanol mixed solution.
(2) Preparing NiO sol: and (2) dissolving 20mL of the nickel isopropoxide-isopropanol mixed solution prepared in the step (1) in 200mL of isopropanol to prepare a mixed solution a, dissolving 10mL of 10% hydrochloric acid in 400mL of deionized water to prepare a mixed solution b, dropwise adding the mixed solution b into the mixed solution a, stirring and dropwise adding for 3 hours at the reaction temperature of 90 ℃, and aging for 6 hours after dropwise adding is completed to prepare NiO sol.
(3) Gluing: soaking silk fabric into NiO sol on a gluing device, wherein the schematic diagram of the gluing device is shown in figure 1, and gluing the silk fabric with the coating weight of 13.9g/m2。
(4) And (3) drying: and (4) drying the silk fabric treated in the step (3) at 100 ℃ for 10 hours to obtain the anti-electromagnetic radiation silk fabric c.
Application Performance evaluation examples:
the anti-electromagnetic radiation silk fabrics a, b and c prepared in the specific embodiments 1 to 3 of the invention and purchased silk fabrics are tested for anti-electromagnetic radiation performance. Referring to a specific test method of GB/T22583-2009 radiation protection knitwear, at least 20 test samples are taken, a test average value is taken, and test results are shown in Table 1.
TABLE 1 Shielding effectiveness of anti-electromagnetic radiation silk fabrics a, b, c and purchased silk fabrics
As can be seen from table 1, when not washed with water, the shielding rate ranges of the anti-electromagnetic radiation silk fabrics a, b and c are all higher than 98%, and the shielding rate of the purchased silk fabrics is only 19.8%. The shielding effectiveness ranges of the anti-electromagnetic radiation silk fabrics a, b and c are distributed within 30-31 dB, and the shielding effectiveness of the purchased silk fabrics is only 7.69 dB. According to the requirements of GB/T26383-2011 on shielding effectiveness (as shown in Table 2), the anti-electromagnetic radiation silk fabric prepared by the invention has anti-electromagnetic radiation performance. In order to better detect the influence of washing on the electromagnetic radiation resistance of the anti-electromagnetic radiation silk fabric prepared in the invention, the anti-electromagnetic radiation silk fabrics a, b and c are subjected to standard washing by referring to a washing method of a GB/T20944.1-2007 color fastness to washing machine, and after the anti-electromagnetic radiation silk fabrics a, b and c are washed for 20 times, the shielding rate and the shielding efficiency still show higher efficiency.
TABLE 2 GB/T26383-2011 Shielding effectiveness requirements
Claims (5)
1. The preparation method of the anti-electromagnetic radiation silk fabric is characterized by comprising the following steps:
(1) gluing: immersing the silk fabric into NiO sol on gluing equipment, gluing, and coating a proper coating weight; the preparation method of the NiO sol comprises the following steps: dissolving nickel isopropoxide-isopropanol mixed solution in isopropanol solvent to prepare mixed solution a, dissolving hydrochloric acid with the mass fraction of 10% in deionized water to prepare mixed solution b, dropwise adding the mixed solution b into the mixed solution a, stirring and dropwise adding for 1-3 hours at the reaction temperature of 80-90 ℃, and aging for 4-6 hours after dropwise adding is completed to prepare NiO sol;
(2) and (3) drying: and (2) drying the silk fabric treated in the step (1) for 8-12 hours at the temperature of 90-100 ℃ to obtain the anti-electromagnetic radiation silk fabric.
2. The preparation method of the silk fabric capable of preventing electromagnetic radiation according to claim 1, wherein the preparation method of the nickel isopropoxide-isopropanol mixed solution comprises the following steps: uniformly mixing nickel dichloride and isopropanol, stirring for 1-3 hours, and introducing ammonia gas for reaction for 2-4 hours; after the reaction is finished, filtering to obtain filtrate, namely the nickel isopropanol-isopropanol mixed solution; the mass-volume ratio of the nickel dichloride to the isopropanol is as follows: 1g to (20-30) mL; the introduction speed of the ammonia gas is as follows: 1-3 mL/min.
3. The preparation method of the silk fabric capable of preventing electromagnetic radiation according to claim 1, wherein the volume ratio of the isopropanol nickel-isopropanol mixed solution to the isopropanol solvent in the mixed solution a is as follows: 1mL to (5-10) mL; the mass volume ratio of the hydrochloric acid with the mass fraction of 10% to the deionized water in the mixed solution b is as follows: 1mL to (20-40) mL.
4. The preparation method of the silk fabric capable of preventing electromagnetic radiation according to claim 1, wherein the coating amount in the step (1) is as follows: 10 to 15g/m2 。
5. An anti-electromagnetic radiation silk fabric is characterized by being prepared by the preparation method of the anti-electromagnetic radiation silk fabric according to any one of claims 1-4.
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| CN102964993A (en) * | 2012-11-15 | 2013-03-13 | 王简 | Composite sol and method for preparing material for anti-radiation space suit by use of same |
| CN103103708A (en) * | 2012-11-09 | 2013-05-15 | 无锡成龙制衣有限公司 | Production technology for printing yarn-dyed anti-static anti-radiation fabrics |
| CN207919067U (en) * | 2017-12-18 | 2018-09-28 | 王振敏 | A kind of anti-electromagnetic radiation fabric |
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| CN1528855A (en) * | 2003-09-28 | 2004-09-15 | 中国科学院合肥智能机械研究所 | Nickel oxide nano electrochromism film and preparing method thereof |
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