CN107164951A - A kind of preparation method of silver-plated conductive aramid fiber - Google Patents
A kind of preparation method of silver-plated conductive aramid fiber Download PDFInfo
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- CN107164951A CN107164951A CN201710532867.5A CN201710532867A CN107164951A CN 107164951 A CN107164951 A CN 107164951A CN 201710532867 A CN201710532867 A CN 201710532867A CN 107164951 A CN107164951 A CN 107164951A
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- Prior art keywords
- aramid fiber
- solution
- silver
- chemical silvering
- neutrality
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- 229920006231 aramid fiber Polymers 0.000 title claims abstract description 96
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000009467 reduction Effects 0.000 claims abstract description 15
- 238000007788 roughening Methods 0.000 claims abstract description 15
- 206010070834 Sensitisation Diseases 0.000 claims abstract description 10
- 230000004913 activation Effects 0.000 claims abstract description 10
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 10
- 230000008313 sensitization Effects 0.000 claims abstract description 10
- 238000011282 treatment Methods 0.000 claims description 24
- 238000001994 activation Methods 0.000 claims description 19
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 15
- 239000008367 deionised water Substances 0.000 claims description 14
- 229910021641 deionized water Inorganic materials 0.000 claims description 14
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 230000003213 activating effect Effects 0.000 claims description 10
- 230000001235 sensitizing effect Effects 0.000 claims description 10
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 6
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 5
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 5
- 229910002666 PdCl2 Inorganic materials 0.000 claims description 5
- 239000002202 Polyethylene glycol Substances 0.000 claims description 5
- 229910021626 Tin(II) chloride Inorganic materials 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- 239000008103 glucose Substances 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 5
- VZOPRCCTKLAGPN-ZFJVMAEJSA-L potassium;sodium;(2r,3r)-2,3-dihydroxybutanedioate;tetrahydrate Chemical compound O.O.O.O.[Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O VZOPRCCTKLAGPN-ZFJVMAEJSA-L 0.000 claims description 2
- 229940074446 sodium potassium tartrate tetrahydrate Drugs 0.000 claims description 2
- CBQKGISIWKPJMB-UHFFFAOYSA-N naphthalene;oxolane;sodium Chemical compound [Na].C1CCOC1.C1=CC=CC2=CC=CC=C21 CBQKGISIWKPJMB-UHFFFAOYSA-N 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000037396 body weight Effects 0.000 abstract description 2
- 235000019786 weight gain Nutrition 0.000 abstract description 2
- 238000001291 vacuum drying Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 11
- 230000003197 catalytic effect Effects 0.000 description 9
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- 238000007747 plating Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- URXNVXOMQQCBHS-UHFFFAOYSA-N naphthalene;sodium Chemical compound [Na].C1=CC=CC2=CC=CC=C21 URXNVXOMQQCBHS-UHFFFAOYSA-N 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000007772 electroless plating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- ZKDNBOAOTQCXLM-UHFFFAOYSA-N 2,3-dihydroxybutanedioic acid;potassium;sodium Chemical compound [Na].[K].OC(=O)C(O)C(O)C(O)=O ZKDNBOAOTQCXLM-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
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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
- D06M11/83—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 metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
-
- 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
- D06M11/07—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
- D06M11/20—Halides of elements of Groups 4 or 14 of the Periodic Table, e.g. zirconyl chloride
-
- 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
- D06M11/07—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
- D06M11/28—Halides of elements of Groups 8, 9, 10 or 18 of the Periodic Table
-
- 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
- D06M11/68—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/70—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with oxides of phosphorus; with hypophosphorous, phosphorous or phosphoric acids or their salts
- D06M11/71—Salts of phosphoric acids
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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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
- D06M2101/36—Aromatic polyamides
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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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Chemically Coating (AREA)
Abstract
The invention discloses a kind of preparation method of silver-plated conductive aramid fiber, including removing photoresist and oil removing, roughening, sensitization, activation, reduction, chemical silvering, aramid fiber after chemical silvering is handled is rinsed with water to neutrality, and vacuum drying obtains silver-plated conductive aramid fiber.Compared with prior art, it is of the invention to have the beneficial effect that：The chemical silvering solution of the present invention is more stablized；The silver-plated rate of body weight gain of the present invention is 2 times of traditional handicraft；The electric conductivity of silver-plated conductive aramid fiber produced by the present invention is excellent, and sheet resistance is：0.23 Ω/cm, fracture strength is up to 45N, is the good high-performance conductive fiber of a kind of high intensity, high temperature resistant, fire resistance.
Description
Technical field
The present invention relates to high performance conductive fiber and its processing method field, particularly a kind of silver-plated conductive aramid fiber
Preparation method.
Background technology
Aramid fiber is a kind of high performance high molecular synthetic material, with the high fire-retardant of mould high temperature resistants of high-strength chemically
It can stablize and wait the performance of friendship and be widely applied to military project protection field.The conductive aramid fiber being made have fire-retardant it is heat-resisting and
Anti- electromagnet shield effect, can be applied to the fields such as Aero-Space military projects communications.Relevant fiber surface metallization both at home and abroad at present
The method of processing has sputtering method, electrodeposition process and electroless plating method.Wherein electroless plating method due to its required equipment it is simple, it is obtained
Coating and basal body binding force it is preferable, it is adaptable to the advantages of mass producing and the gold for being widely used in non-metal material surface
Categoryization processing.Because aramid fiber surface is smooth and one layer of organic layer is formed during preparation, it is covered before metal needs
Advance surface treatment, to increase roughness and surface area, improves quality of coating.But, the chemical silvering of prior art due to
It is not in place to aramid fiber surface processing, it is difficult to ensure that forming metal catalytic particulate on its surface to ensure smoothly entering for plating
OK, it is impossible to thicken coating, so as to influence the performance of obtained silver-plated conductive aramid fiber.
The content of the invention
The invention aims to the deficiency for solving prior art problem, there is provided a kind of preparation of silver-plated conductive aramid fiber
Method.
To reach above-mentioned purpose, the present invention is implemented according to following technical scheme：
A kind of preparation method of silver-plated conductive aramid fiber, comprises the following steps：
S1, remove photoresist and oil removing：Aramid fiber is inserted in the acetone that percent concentration is 25%, carried out using ultrasonic wave clear
25-35min is washed, aramid fiber is taken out and is dried under the conditions of 90 DEG C；
S2, roughening：Aramid fiber after S1 is handled is inserted to the sodium naphthalene tetrahydrochysene of percent concentration 10% at room temperature
In tetrahydrofuran solution, it is roughened, and is stirred continuously；
S3, sensitization：Aramid fiber Jing Guo S2 roughening treatments is inserted to sensitized treatment 8min in 50 DEG C of sensitizing solution, not
Disconnected stirring, then takes out aramid fiber and is rinsed with water to neutrality；
S4, activation：Aramid fiber after S3 sensitized treatments is inserted to activation process 5min in 50 DEG C of activating solution, and
Being stirred continuously makes it fully activate, and then takes out aramid fiber and is rinsed with water to neutrality；
S5, reduction：Aramid fiber after S4 activation process is inserted to 30g/L NaH at room temperature2PO2In solution also
2min is managed in original place, then takes out aramid fiber and is rinsed with water to neutrality；
S6, chemical silvering：Aramid fiber after S5 reduction treatments is inserted in the chemical silvering solution prepared, its
Described in chemical silvering solution the content of each component be：Silver nitrate：6-14g/L, glucose：4-12g/L, ammoniacal liquor：30-
80ml/L, sodium potassium tartrate tetrahydrate：1-4g/L, ethylenediamine：20ml/L, ethanol：40ml/L, potassium hydroxide：3-10g/L, polyethylene glycol：
75ml/L, the chemical silvering 10-30min under the conditions of the chemical silvering solution temperature is 25-30 DEG C；
S7, the aramid fiber after the processing of S6 chemical silverings rinsed with water to neutrality, and be dried in vacuo and obtain silver-plated
Conductive aramid fiber.
Further, the sensitizing solution in the step S3 by 15g/L SnCl2Solution and 20ml/L HCl solution composition.
Further, the activating solution in the step S4 by 0.5g/L PdCl2Solution and 10ml/L HCl solution composition.
Preferably, deionized water is used during the rinsing aramid fiber.
The present invention by aramid fiber surface is removed photoresist and oil removing, roughening, sensitization, activation, reduction treatment after, can be
Aramid fiber surface forms metal catalytic particulate to ensure being smoothed out for chemical silvering, and aramid fiber table during chemical silvering
When face is once deposited plating layer, the coating being deposited can continue to keep this catalytic performance, so that deposition process is continuous
Carry out, coating gradually thickeies.
Compared with prior art, it is of the invention to have the beneficial effect that：
1. the chemical silvering solution of the present invention is more stablized；
2. the silver-plated rate of body weight gain of the present invention is 2 times of traditional handicraft；
3. the electric conductivity of silver-plated conductive aramid fiber produced by the present invention is excellent, sheet resistance is：0.23 Ω/cm, breaks
Resistance to spalling is up to 45N, is the good high-performance conductive fiber of a kind of high intensity, high temperature resistant, fire resistance.
Embodiment
With reference to specific embodiment, the invention will be further described, the illustrative examples and explanation invented herein
For explaining the present invention, but it is not as a limitation of the invention.
Embodiment one
S1, remove photoresist and oil removing：Aramid fiber is inserted in the acetone that percent concentration is 25%, carried out using ultrasonic wave clear
25min is washed, aramid fiber is taken out and is dried under the conditions of 90 DEG C；
S2, roughening：Aramid fiber after S1 is handled is inserted to the sodium naphthalene tetrahydrochysene of percent concentration 10% at room temperature
In tetrahydrofuran solution, it is roughened, and is stirred continuously；
S3, sensitization：Aramid fiber Jing Guo S2 roughening treatments is inserted to sensitized treatment 8min in 50 DEG C of sensitizing solution, its
In, sensitizing solution by 15g/L SnCl2Solution and 20ml/L HCl solution composition, and constantly stir, then take out aramid fiber fine
Wesy's deionized water is rinsed to neutrality；
S4, activation：Aramid fiber after S3 sensitized treatments is inserted to activation process 5min in 50 DEG C of activating solution, its
In, activating solution by 0.5g/L PdCl2Solution and 10ml/L HCl solution composition, and being stirred continuously makes it fully activate, then
Aramid fiber is taken out to be rinsed with deionized water to neutrality；
S5, reduction：Aramid fiber after S4 activation process is inserted to 30g/L NaH at room temperature2PO2In solution also
2min is managed in original place, then takes out aramid fiber and is rinsed with deionized water to neutrality；
S6, chemical silvering：Aramid fiber after S5 reduction treatments is inserted in the chemical silvering solution prepared, its
Described in chemical silvering solution the content of each component be：Silver nitrate：6g/L, glucose：4g/L, ammoniacal liquor：30ml/L, tartaric acid
Potassium sodium：1g/L, ethylenediamine：20ml/L, ethanol：40ml/L, potassium hydroxide：3g/L, polyethylene glycol：75ml/L, in the chemical plating
Silver-colored solution temperature is chemical silvering 10min under the conditions of 25 DEG C；
S7, the aramid fiber after the processing of S6 chemical silverings rinsed to neutrality with deionized water, and be dried in vacuo
To silver-plated conductive aramid fiber.
In the present embodiment, by being removed photoresist to aramid fiber surface and oil removing, roughening, sensitization, activation, reduction treatment
Afterwards, form metal catalytic particulate to ensure being smoothed out for chemical silvering, and aramid fiber during chemical silvering in aramid fiber surface
When fiber surface is once deposited plating layer, the coating being deposited can continue to keep this catalytic performance, so that depositing
Journey is carried out continuously, and coating gradually thickeies.
Embodiment two
S1, remove photoresist and oil removing：Aramid fiber is inserted in the acetone that percent concentration is 25%, carried out using ultrasonic wave clear
35min is washed, aramid fiber is taken out and is dried under the conditions of 90 DEG C；
S2, roughening：Aramid fiber after S1 is handled is inserted to the sodium naphthalene tetrahydrochysene of percent concentration 10% at room temperature
In tetrahydrofuran solution, it is roughened, and is stirred continuously；
S3, sensitization：Aramid fiber Jing Guo S2 roughening treatments is inserted to sensitized treatment 8min in 50 DEG C of sensitizing solution, its
In, sensitizing solution by 15g/L SnCl2Solution and 20ml/L HCl solution composition, and constantly stir, then take out aramid fiber fine
Wesy's deionized water is rinsed to neutrality；
S4, activation：Aramid fiber after S3 sensitized treatments is inserted to activation process 5min in 50 DEG C of activating solution, its
In, activating solution by 0.5g/L PdCl2Solution and 10ml/L HCl solution composition, and being stirred continuously makes it fully activate, then
Aramid fiber is taken out to be rinsed with deionized water to neutrality；
S5, reduction：Aramid fiber after S4 activation process is inserted to 30g/L NaH at room temperature2PO2In solution also
2min is managed in original place, then takes out aramid fiber and is rinsed with deionized water to neutrality；
S6, chemical silvering：Aramid fiber after S5 reduction treatments is inserted in the chemical silvering solution prepared, its
Described in chemical silvering solution the content of each component be：Silver nitrate：14g/L, glucose：12g/L, ammoniacal liquor：80ml/L, winestone
Sour potassium sodium：4g/L, ethylenediamine：20ml/L, ethanol：40ml/L, potassium hydroxide：10g/L, polyethylene glycol：75ml/L, in the chemistry
Silver plating solution temperature is chemical silvering 30min under the conditions of 30 DEG C；
S7, the aramid fiber after the processing of S6 chemical silverings rinsed to neutrality with deionized water, and be dried in vacuo
To silver-plated conductive aramid fiber.
In the present embodiment, by being removed photoresist to aramid fiber surface and oil removing, roughening, sensitization, activation, reduction treatment
Afterwards, form metal catalytic particulate to ensure being smoothed out for chemical silvering, and aramid fiber during chemical silvering in aramid fiber surface
When fiber surface is once deposited plating layer, the coating being deposited can continue to keep this catalytic performance, so that depositing
Journey is carried out continuously, and coating gradually thickeies.
Embodiment three
S1, remove photoresist and oil removing：Aramid fiber is inserted in the acetone that percent concentration is 25%, carried out using ultrasonic wave clear
30min is washed, aramid fiber is taken out and is dried under the conditions of 90 DEG C；
S2, roughening：Aramid fiber after S1 is handled is inserted to the sodium naphthalene tetrahydrochysene of percent concentration 10% at room temperature
In tetrahydrofuran solution, it is roughened, and is stirred continuously；
S3, sensitization：Aramid fiber Jing Guo S2 roughening treatments is inserted to sensitized treatment 8min in 50 DEG C of sensitizing solution, its
In, sensitizing solution by 15g/L SnCl2Solution and 20ml/L HCl solution composition, and constantly stir, then take out aramid fiber fine
Wesy's deionized water is rinsed to neutrality；
S4, activation：Aramid fiber after S3 sensitized treatments is inserted to activation process 5min in 50 DEG C of activating solution, its
In, activating solution by 0.5g/L PdCl2Solution and 10ml/L HCl solution composition, and being stirred continuously makes it fully activate, then
Aramid fiber is taken out to be rinsed with deionized water to neutrality；
S5, reduction：Aramid fiber after S4 activation process is inserted to 30g/L NaH at room temperature2PO2In solution also
2min is managed in original place, then takes out aramid fiber and is rinsed with deionized water to neutrality；
S6, chemical silvering：Aramid fiber after S5 reduction treatments is inserted in the chemical silvering solution prepared, its
Described in chemical silvering solution the content of each component be：Silver nitrate：10g/L, glucose：10g/L, ammoniacal liquor：50ml/L, winestone
Sour potassium sodium：3g/L, ethylenediamine：20ml/L, ethanol：40ml/L, potassium hydroxide：6g/L, polyethylene glycol：75ml/L, in the chemistry
Silver plating solution temperature is chemical silvering 20min under the conditions of 27 DEG C；
S7, the aramid fiber after the processing of S6 chemical silverings rinsed to neutrality with deionized water, and be dried in vacuo
To silver-plated conductive aramid fiber.
In the present embodiment, by being removed photoresist to aramid fiber surface and oil removing, roughening, sensitization, activation, reduction treatment
Afterwards, form metal catalytic particulate to ensure being smoothed out for chemical silvering, and aramid fiber during chemical silvering in aramid fiber surface
When fiber surface is once deposited plating layer, the coating being deposited can continue to keep this catalytic performance, so that depositing
Journey is carried out continuously, and coating gradually thickeies.
The silver-plated conductive aramid fiber prepared by above-described embodiment one, embodiment two and embodiment three is taken to carry out electric conductivity
With fracture strength test, the average value for measuring the sheet resistance of silver-plated conductive aramid fiber is：0.23 Ω/cm, fracture strength
Average value is up to 45N, therefore silver-plated conductive aramid fiber produced by the present invention is that a kind of high intensity, high temperature resistant, fire resistance are good
Good high-performance conductive fiber.
Technical scheme is not limited to the limitation of above-mentioned specific embodiment, and every technique according to the invention scheme is done
The technology deformation gone out, each falls within protection scope of the present invention.
Claims (4)
1. a kind of preparation method of silver-plated conductive aramid fiber, it is characterised in that comprise the following steps：
S1, remove photoresist and oil removing：Aramid fiber is inserted in the acetone that percent concentration is 25%, cleaned using ultrasonic wave
25-35min, takes out aramid fiber and is dried under the conditions of 90 DEG C；
S2, roughening：Aramid fiber after S1 is handled is inserted to the sodium naphthalene tetrahydrofuran of percent concentration 10% at room temperature
In solution, it is roughened, and is stirred continuously；
S3, sensitization：Aramid fiber Jing Guo S2 roughening treatments is inserted to sensitized treatment 8min in 50 DEG C of sensitizing solution, and constantly
Stirring, then takes out aramid fiber and is rinsed with water to neutrality；
S4, activation：Aramid fiber after S3 sensitized treatments is inserted to activation process 5min in 50 DEG C of activating solution, and constantly
Stirring makes it fully activate, and then takes out aramid fiber and is rinsed with water to neutrality；
S5, reduction：Aramid fiber after S4 activation process is inserted to 30g/L NaH at room temperature2PO2Original place is gone back in solution
2min is managed, aramid fiber is then taken out and is rinsed with water to neutrality；
S6, chemical silvering：Aramid fiber after S5 reduction treatments is inserted in the chemical silvering solution prepared, wherein institute
The content for stating each component in chemical silvering solution is：Silver nitrate：6-14g/L, glucose：4-12g/L, ammoniacal liquor：30-80ml/L,
Sodium potassium tartrate tetrahydrate：1-4g/L, ethylenediamine：20ml/L, ethanol：40ml/L, potassium hydroxide：3-10g/L, polyethylene glycol：75ml/L,
The chemical silvering 10-30min under the conditions of the chemical silvering solution temperature is 25-30 DEG C；
S7, the aramid fiber after the processing of S6 chemical silverings rinsed with water to neutrality, and be dried in vacuo and obtain silver-plated conduction
Aramid fiber.
2. the preparation method of silver-plated conductive aramid fiber according to claim 1, it is characterised in that：In the step S3
Sensitizing solution by 15g/L SnCl2Solution and 20ml/L HCl solution composition.
3. the preparation method of silver-plated conductive aramid fiber according to claim 1, it is characterised in that：In the step S4
Activating solution by 0.5g/L PdCl2Solution and 10ml/L HCl solution composition.
4. the preparation method of silver-plated conductive aramid fiber according to claim 1, it is characterised in that：The rinsing aramid fiber is fine
Deionized water is used during dimension.
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