CN103966838B - A kind of flexible fabric vertical roll that is used for is around continuous chemical silver-coating method and device - Google Patents
A kind of flexible fabric vertical roll that is used for is around continuous chemical silver-coating method and device Download PDFInfo
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Abstract
The invention provides a kind of vertical roll for flexible fabric around continuous chemical silver-coating method and device.The method operational sequence is: sensitization-cleaning-preplating-cleaning-ultrasonic assistant chemical silvering-cleaning-drying, wherein sensitization and adding of preplating operation treatment fluid adopt continous mode to add or the disposable mode added before next workpiece enters groove, repeatedly can recycle, avoid traditional chemical plating solution and easily to decompose and the production efficiency brought because waste liquid is many, difficult, seriously polluted etc. after once using is low and environmental problem; The flexible fabric product that the method winding used bracing or strutting arrangement is large to area carries out vertical, winding chemical silvering, solves inconvenience in the large fabric treatment procedure of current specific area and unfolds, easily occur local aberration and affect shortcoming attractive in appearance.Present invention achieves the continuous uniform coating of silver layer, production efficiency is high, and waste liquid is few, is easy to recycling.
Description
Technical field:
The invention belongs to chemical plating field, particularly one is used for flexible fabric vertical roll around continuous chemical silver-coating method and device.
Background technology:
Flexible silver coating fabric, has and conducts electricity very well, and electromagnetic shielding capability is strong, has both antibacterial effect pressing down taste, wear soft comfortable, and industries such as can be used for high-end electronic product, clothing, family are spun, be medical, is used by consumers in general gradually and approve.Have the product that the plating of employing and Vacuum Deposition technology are produced at present, though appearance uniform gloss, silver layer coating focuses mostly on top layer, and braided fabric Nodes often occurs plating leakage, and three-dimensional turn-on effect is poor; Adhesive force simultaneously, especially washable degree is poor, and after washing for several times, silver layer easily comes off, and conduction and fungistatic effect decline.
Chemical plating process can solve the problem, but to there is specific area large due to flexible fabric, and processing procedure inconvenience is unfolded, easy appearance local aberration, affect the attractive in appearance of product, market is now supplied product area less, be so limited just, simultaneously due to the easy selfdecomposition of traditional chemical plating plating solution, discarded after many once uses, waste liquid is many, difficult, seriously polluted, production efficiency is low, and batch process often retrains by environmental protection condition.The present invention is applied around operation by fabric vertical roll, and chemical plating fluid is added continuously, repeatedly recycles, and solves the problems referred to above.
Summary of the invention:
The object of this invention is to provide a kind of vertical roll for flexible fabric around continuous chemical silver-coating method and device.The present invention is added continuously by chemical plating fluid, repeatedly recycle, the flexible fabric product large to area carries out vertical, winding chemical silvering, avoid traditional chemical plating solution easily to decompose and the production efficiency brought because waste liquid is many, difficult, seriously polluted etc. after once using is low and environmental problem, solve inconvenience in the large fabric treatment procedure of current specific area and unfold, easily occur local aberration and affect shortcoming attractive in appearance.
One of to achieve these goals, the technical solution used in the present invention is:
For the vertical roll of flexible fabric around a continuous chemical silver-coating method, comprise following operational sequence:
(1) sensitization adopts sensitized treatment liquid to process 10-90min under room temperature, then adds sensitized treatment liquid with quantitatively adding pump continous mode, wherein,
Sensitized treatment liquid opens cylinder concentration: hydrochloric acid 10-50ml/L, stannous chloride 10-30g/L,
Sensitized treatment liquid adds concentration: hydrochloric acid 30-90ml/L, stannous chloride 30-60g/L;
(2) 3-10min is cleaned under cleaning room temperature
(3) preplating adopts preplating plating solution to process 5-30min under room temperature, then adds preplating plating solution with quantitatively adding pump continous mode, wherein,
Preplating plating solution opens cylinder concentration: silver nitrate 0.1-1g/L, ammoniacal liquor 0.2-2ml/L,
Preplating plating solution adds concentration: silver nitrate 1-10g/L, ammoniacal liquor 1-20ml/L;
(4) 3-10min is cleaned under cleaning room temperature
(5) ultrasonic assistant chemical silvering adopts silver plating liquid to process 30-120min under 30-60 DEG C of condition, and processing procedure whole process opens ultrasonic assistant, before silver plating liquid is reused, all needs to carry out disposable interpolation and adds liquid, wherein,
Silver plating liquid opens cylinder concentration: silver nitrate 1-5g/L, NaOH 0.02-0.5g/L, ammoniacal liquor 1-5ml/L, EDTA2 sodium 0.1g-5g/L, reductant formaldehyde 1-5ml/L,
Ultrasonic frequency 20kHZ-50kHZ, power 10-200W/cm
2,
Silver plating liquid adds concentration: silver nitrate 50-100g/L, ammoniacal liquor 50-200ml/L, NaOH 1-50g/L, EDTA2 sodium 5g-50g/L, reductant formaldehyde 30-200ml/L;
(6) 3-10min is cleaned under cleaning room temperature
(7) drying adopts 60-120 DEG C of online hot-air seasoning or puts into hothouse after rolling off the production line and concentrates oven dry.
The continous mode of described sensitizing solution and pre-plating solution is added, and adopts and carry out disposable interpolation before next workpiece enters groove, and normal service life 3-5 days, once concentrates renewal;
Described flexible fabric grammes per square metre is 20g/m
2-200g/m
2, fabric width 50-200cm, monovolume spooling length 20-200m;
Described flexible fabric is various woven, the knit goods of fibers material;
Described fibers material is nylon, terylene, acrylic fibers or its BLENDED FABRIC;
Described matting increases cleaning number of channels according to base material difference.
In order to reach above-mentioned purpose two, the technical solution used in the present invention is:
For the vertical roll of flexible fabric around the silver-plated winding bracing or strutting arrangement of continuous chemical, be made up of vertical winding core cylinder and vertical tension force spread rolls; The upper end of described vertical winding core cylinder and vertical tension force spread rolls is by driving clamping, and the lower end of described vertical winding core cylinder and vertical tension force spread rolls all engage with each coating bath bottom or is separated, thus realize the transfer of operation and device rotating operation stable;
Described vertical winding core cylinder upper end is cecum, and clamp by driving and rotated by driven by motor, lower end establishes through hole to engage with each coating bath bottom circulating pump delivery port, realize water circulation and rotary support, its porous surface, aperture Ф 4 ~ 10mm, spacing 4-10mm is uniformly distributed; Described vertical tension force spread rolls is combined by a pair thread roller, its upper end is by driving clamping, lower end is combined with each coating bath bottom rotary support point, described thread roller clamps and passive rotation, and realization increases product developed area, increase Horizontal Tension prevents the effects such as cloth cover is sagging, minimizing cloth cover edge curl;
The quantity of described vertical winding core cylinder is two, and described vertical tension force expansion rod quantity is two right;
Described vertical winding core cylinder wound fabric makes fabric carry out winding betwixt alternately, and treatment fluid around immersion fabric, and is sprayed by the hole outer layers on vertical winding core cylinder surface by the inner loop pipeline of described vertical winding core cylinder; Described vertical tension force spread rolls is responsible for launching fabric and expanding, and realizes the even contact of fabric and each treatment fluid;
Described winding bracing or strutting arrangement is driven by driving, carries out combining or being separated with each process bottom land end, and realize winding and run and operation conversion, production line is controlled by PLC step instruction, can realize automatic operation.
For ensureing to reach treatment effect, reducing contaminating impurity and maintaining treatment fluid stability, the RO water that the water quality that this technique uses is pure water or electrical conductivity < 10 μ s/cm.
The inventive method treatment process is succinct, silver plating liquid composition is simply easy to quantitatively detect and circulate add, continuous use, more single being easy to of product controls and detects, different size and material base material coordinate corresponding reaction solution concentration, silver ion rate of release and silver layer deposition velocity ensure relative equilibrium, and coating procedure plating solution remains clear state.In conjunction with Sonication assisted treatment, realize fast silver coating, silver layer light is fine and close, and washing fastness is excellent, and fabric silver layer is even, and Nodes is without performance difference.The each operation principal component of the present invention is after film process is concentrated, recyclable.
The present invention's bracing or strutting arrangement that reels makes product be in vertical roll all the time around motion state in sensitization, preplating, cleaning, each operation processing procedure of chemical plating, make product silver layer evenly, continuously, gloss, without visible aberration.After this device puts into treatment trough, vertical winding core cylinder is connected with driving place power shaft and bottom land circulating filtration pump discharge, and treatment fluid penetrates wound fabric through being circulated throughout filter pump from the ejection of core cylinder surface pore, realizes the even contact of fabric and each treatment fluid.After lambda line, wound fabric is under power shaft drives, carry out winding to rotate, interval and velocity of rotation is run by the rotating of setting power shaft, achieve fabric constantly in soak environment, carry out winding to run, whole cloth cover all can contact with treatment fluid uniformly, without local coating and color distortion.
Silver coating fabric of the present invention, can carry out deep processing, cut into the short fiber of certain size according to actual requirement, becomes argentiferous yarn, be reprocessed into all size fabric with material blending such as cotton, fiber crops, hair, chemical fibres.
Accompanying drawing illustrates:
Fig. 1 is that vertical roll is around bracing or strutting arrangement sketch;
Fig. 2 is chemical plating production line sketch.
Wherein, 1-core cylinder, 2-expands deflector roll, 3-product, 4-treatment trough, 5-guide rail, and 6-drives a vehicle, 7-operating desk.
Detailed description of the invention:
Below in conjunction with detailed description of the invention, the present invention is described in further detail.
Embodiment 1:
Base material: terylene mesh, grammes per square metre 26.5/m
2, thickness 0.12mm, fabric width 1.6m, entire volume length 150m.
Handling process: sensitization-clean 2 roads, each 3min; Preplating-clean 1 road, 3min; Ultrasonic assistant chemical silvering 30min-cleans 2 roads, each 5min; Dry-inspection.
In above flow process:
Sensitized treatment liquid 300L: hydrochloric acid 10ml/L, stannous chloride 10g/L, room temperature, processing time 30min.
Pre-plating solution 300L: silver nitrate 0.12g/L, ammoniacal liquor 0.20ml/L, room temperature, processing time 5min.
Silver plating liquid 500L: silver nitrate 2.86g/L, NaOH 0.025g/L, ammoniacal liquor 2.75ml/L, EDTA2 sodium 0.42g/L, reductant formaldehyde 3.27ml/L, temperature 50 C, processing time 60min; Supersonic frequency 28kHZ.
Dry: hot air circulation is air-dry, baking temperature 100 DEG C, drying time 30min.
After treatment trough put into by winding bracing or strutting arrangement, vertical winding core cylinder is connected with driving place power shaft and bottom land circulating filtration pump discharge, and its wound fabric makes fabric between two core cylinders, carry out winding alternately.Treatment fluid is around soaking fabric and through being circulated throughout the inner loop pipeline of filter pump by vertical winding core cylinder by the hole outer layers spray penetration wound fabric on core cylinder surface, realizing the even contact of fabric and each treatment fluid; Two vertical tension force spread rolls are responsible for launching fabric and expanding between vertical winding core cylinder, realize the even contact of fabric and each treatment fluid.Winding bracing or strutting arrangement is driven by driving, carries out combining or being separated with each process bottom land end, realizes winding and runs and operation conversion.Production line is controlled by PLC step instruction, and after lambda line, wound fabric is under power shaft drives, and carries out winding and rotates, and the rotating of setting power shaft runs interval 60s, driving shaft rotating speed 250r/min.
More than obtain fabric, the silver grey light of outward appearance, uniform color sheet resistance 1.2 Ω/cm.Testing result shielding properties 50dB, bacteriostasis rate 95%.After washing 100 times, ratio resistance≤10
9-10Ω cm, bacteriostasis rate 95%, without obvious desilverization metachromatism.
Embodiment 2
Base material: terylene mesh, grammes per square metre 30.5/m
2, thickness 0.12mm, fabric width 1.5m, entire volume length 200m.
Handling process: sensitization-clean 2 roads, each 3min; Preplating-clean 1 road, 3min; Ultrasonic assistant chemical silvering 30min-cleans 2 roads, each 5min; Dry-inspection.
In above flow process:
Sensitization adopts sensitized treatment liquid 280L to process 90min under room temperature, and wherein the concentration of each composition is: hydrochloric acid 50ml/L, stannous chloride 30g/L; Processing procedure adds sensitizing solution add liquid 20L with quantitatively adding pump continous mode, and wherein the concentration of each composition is: hydrochloric acid 90ml/L, stannous chloride 60g/L, and surplus is pure water;
Preplating adopts preplating plating solution 300L to process 30min under room temperature, and wherein the concentration of each composition is: silver nitrate 1g/L, ammoniacal liquor 2ml/L, and surplus is pure water; Processing procedure adds preplating add liquid 10L with quantitatively adding pump continous mode, and wherein the concentration of each composition is: silver nitrate 10g/L, ammoniacal liquor 20ml/L, and surplus is pure water;
Ultrasonic assistant chemical silvering adopts silver plating liquid 470L, and wherein the concentration of each composition is: silver nitrate 5g/L, NaOH 0.5g/L, ammoniacal liquor 5ml/L, EDTA2 sodium 5g/L, reductant formaldehyde 5ml/L; Add silver plating liquid 20L, wherein adding concentration is: silver nitrate 100g/L, ammoniacal liquor 200ml/L, NaOH 50g/L, EDTA2 sodium 50g/L, reductant formaldehyde 200ml/L, and surplus is pure water; Super acoustic treatment frequency 50kHZ, power 10W/cm
2; 30min is processed under 60 DEG C of conditions.
The dry hot air circulation that adopts is air-dry, baking temperature 120 DEG C, drying time 20min.
After treatment trough put into by winding bracing or strutting arrangement, vertical winding core cylinder is connected with driving place power shaft and bottom land circulating filtration pump discharge, and its wound fabric makes fabric between two core cylinders, carry out winding alternately.Treatment fluid is around soaking fabric and through being circulated throughout the inner loop pipeline of filter pump by vertical winding core cylinder by the hole outer layers spray penetration wound fabric on core cylinder surface, realizing the even contact of fabric and each treatment fluid; Two vertical tension force spread rolls are responsible for launching fabric and expanding between vertical winding core cylinder, realize the even contact of fabric and each treatment fluid.Winding bracing or strutting arrangement is driven by driving, carries out combining or being separated with each process bottom land end, realizes winding and runs and operation conversion.Production line is controlled by PLC step instruction, and after lambda line, wound fabric is under power shaft drives, and carries out winding and rotates, and the rotating of setting power shaft runs interval 50s, driving shaft rotating speed 250r/min.
More than obtain fabric, the silver grey light of outward appearance, uniform color sheet resistance 1.2 Ω/cm.Testing result shielding properties 60dB, bacteriostasis rate 95%.After washing 100 times, ratio resistance≤10
9-10Ω cm, bacteriostasis rate 95%, without obvious desilverization metachromatism.
Embodiment 3
Base material: terylene mesh, grammes per square metre 20/m
2, thickness 0.12mm, fabric width 1.6m, entire volume length 20m.
Handling process: sensitization-clean 2 roads, each 3min; Preplating-clean 1 road, 3min; Ultrasonic assistant chemical silvering 30min-cleans 2 roads, each 5min; Dry-inspection.
In above flow process:
Sensitization adopts sensitized treatment liquid 290L to process 10min under room temperature, and wherein the concentration of each composition is: hydrochloric acid 10ml/L, stannous chloride 10g/L; Processing procedure adds sensitizing solution add liquid 20L with quantitatively adding pump continous mode, and wherein the concentration of each composition is: hydrochloric acid 30ml/L, stannous chloride 30g/L, and surplus is pure water;
Preplating adopts preplating plating solution 280L to process 5min under room temperature, and wherein the concentration of each composition is: silver nitrate 0.1g/L, ammoniacal liquor 0.2ml/L; Processing procedure adds preplating add liquid 20L with quantitatively adding pump continous mode, and wherein the concentration of each composition is: silver nitrate 1g/L, ammoniacal liquor 1ml/L, and surplus is pure water;
Ultrasonic assistant chemical silvering adopts silver plating liquid 480L, and wherein the concentration of each composition is: silver nitrate 1g/L, NaOH 0.02g/L, ammoniacal liquor 1ml/L, EDTA2 sodium 0.1gg/L, reductant formaldehyde 1ml/L; Add silver plating liquid 20L, wherein adding concentration is: silver nitrate 50g/L, ammoniacal liquor 50ml/L, NaOH 1g/L, EDTA2 sodium 5g/L, reductant formaldehyde 30ml/L; Supersonic frequency 20kHZ, power 200W/cm
2, under 30 DEG C of conditions, process 120min.
The dry hot air circulation that adopts is air-dry, baking temperature 60 DEG C, drying time 1h.
After treatment trough put into by winding bracing or strutting arrangement, vertical winding core cylinder is connected with driving place power shaft and bottom land circulating filtration pump discharge, and its wound fabric makes fabric between two core cylinders, carry out winding alternately.Treatment fluid is around soaking fabric and through being circulated throughout the inner loop pipeline of filter pump by vertical winding core cylinder by the hole outer layers spray penetration wound fabric on core cylinder surface, realizing the even contact of fabric and each treatment fluid; Two vertical tension force spread rolls are responsible for launching fabric and expanding between vertical winding core cylinder, realize the even contact of fabric and each treatment fluid.Winding bracing or strutting arrangement is driven by driving, carries out combining or being separated with each process bottom land end, realizes winding and runs and operation conversion.Production line is controlled by PLC step instruction, and after lambda line, wound fabric is under power shaft drives, and carries out winding and rotates, and the rotating of setting power shaft runs interval 60s, driving shaft rotating speed 250r/min.
More than obtain fabric, the silver grey light of outward appearance, uniform color sheet resistance 1.2 Ω/cm.Testing result shielding properties 50dB, bacteriostasis rate 95%.After washing 100 times, ratio resistance≤10
9-10Ω cm, bacteriostasis rate 95%, without obvious desilverization metachromatism.
Embodiment 4
Base material: knitting nylon cloth, grammes per square metre 72g/m
2, thickness 0.35mm, fabric width 1.5m, entire volume length 50m.
Handling process: sensitization-clean 4 roads, each 8min; Preplating-clean 1 road, 5min; Ultrasonic assistant chemical silvering 30min cleans 3 roads, each 10min; Dry-inspection.
In above flow process:
Sensitization adopts sensitized treatment liquid 300L to process 50min under room temperature, and wherein the concentration of each composition is: hydrochloric acid 30ml/L, stannous chloride 20g/L; Processing procedure adds sensitizing solution add liquid 20L with quantitatively adding pump continous mode, and wherein the concentration of each composition is: hydrochloric acid 50ml/L, stannous chloride 35g/L, and surplus is pure water;
Preplating adopts preplating plating solution 290L to process 5min under room temperature, and wherein the concentration of each composition is: silver nitrate 1g/L, ammoniacal liquor 2ml/L, and surplus is pure water; Processing procedure adds preplating add liquid 10L with quantitatively adding pump continous mode, and wherein the concentration of each composition is: silver nitrate 6g/L, ammoniacal liquor 2ml/L, and surplus is pure water;
Ultrasonic assistant chemical silvering adopts silver plating liquid 490L, and wherein the concentration of each composition is: silver nitrate 1g/L, NaOH 0.02g/L, ammoniacal liquor 1ml/L, EDTA2 sodium 0.1g/L, reductant formaldehyde 1ml/L; Add silver plating liquid 20L, wherein adding concentration is: silver nitrate 75g/L, ammoniacal liquor 73ml/L, NaOH 3.5g/L, EDTA2 sodium 3.7g/L, reductant formaldehyde 65ml/L, and surplus is pure water; Supersonic frequency 40kHZ, power 30W/cm
2, under 30 DEG C of conditions, process 40min.
Dry: hot air circulation is air-dry, baking temperature 100 DEG C, drying time 30min.
After treatment trough put into by winding bracing or strutting arrangement, vertical winding core cylinder is connected with driving place power shaft and bottom land circulating filtration pump discharge, and its wound fabric makes fabric between two core cylinders, carry out winding alternately.Treatment fluid is around soaking fabric and through being circulated throughout the inner loop pipeline of filter pump by vertical winding core cylinder by the hole outer layers spray penetration wound fabric on core cylinder surface, realizing the even contact of fabric and each treatment fluid; Two vertical tension force spread rolls are responsible for launching fabric and expanding between vertical winding core cylinder, realize the even contact of fabric and each treatment fluid.Winding bracing or strutting arrangement is driven by driving, carries out combining or being separated with each process bottom land end, realizes winding and runs and operation conversion.Production line is controlled by PLC step instruction, and after lambda line, wound fabric is under power shaft drives, and carries out winding and rotates, and the rotating of setting power shaft runs interval 20s, driving shaft rotating speed 250r/min.
More than obtain fabric, the silver grey light of outward appearance, uniform color sheet resistance 0.5 Ω/cm.Testing result shielding properties 80dB, after washing 100 times, ratio resistance≤10
9-10Ω cm, bacteriostasis rate 95%, without obvious desilverization metachromatism.
Embodiment 5:
Base material: woven diamond-plaid, grammes per square metre 60g/m
2, thickness 0.15mm, fabric width 1.4m, entire volume length 70m.
Handling process: sensitization-clean 3 roads, each 5min; Preplating-clean 1 road, 5min; Ultrasonic assistant chemical silvering 30min, cleans 3 roads, each 10min; Dry-inspection.
In above flow process:
Sensitization adopts sensitized treatment liquid 290L to process 30min under room temperature, and wherein the concentration of each composition is: hydrochloric acid 10ml/L, stannous chloride 51.4g/L; Processing procedure adds sensitizing solution add liquid 20L with quantitatively adding pump continous mode, and wherein the concentration of each composition is: hydrochloric acid 73.5ml/L, stannous chloride 30g/L, and surplus is pure water;
Preplating adopts preplating plating solution 300L to process 5min under room temperature, and wherein the concentration of each composition is: silver nitrate 0.1g/L, ammoniacal liquor 0.2ml/L, and surplus is pure water; Processing procedure adds preplating add liquid 10L with quantitatively adding pump continous mode, and wherein the concentration of each composition is: silver nitrate 6g/L, ammoniacal liquor 2ml/L, and surplus is pure water;
Ultrasonic assistant chemical silvering adopts silver plating liquid 480L, and wherein the concentration of each composition is: silver nitrate 1g/L, NaOH 0.02g/L, ammoniacal liquor 1ml/L, EDTA2 sodium 0.1gg/L, reductant formaldehyde 1ml/L; Add silver plating liquid 20L, wherein adding concentration is: silver nitrate 91.4g/L, ammoniacal liquor 85ml/L, NaOH 10g/L, EDTA2 sodium 7.5g/L, reductant formaldehyde 85ml/L; Surplus is pure water; In 50 DEG C of supersonic frequency 33kHZ, power 50W/cm
2condition under process 40min.
Dry: hot air circulation is air-dry, baking temperature 120 DEG C, drying time 20min.
After treatment trough put into by winding bracing or strutting arrangement, vertical winding core cylinder is connected with driving place power shaft and bottom land circulating filtration pump discharge, and its wound fabric makes fabric between two core cylinders, carry out winding alternately.Treatment fluid is around soaking fabric and through being circulated throughout the inner loop pipeline of filter pump by vertical winding core cylinder by the hole outer layers spray penetration wound fabric on core cylinder surface, realizing the even contact of fabric and each treatment fluid; Two vertical tension force spread rolls are responsible for launching fabric and expanding between vertical winding core cylinder, realize the even contact of fabric and each treatment fluid.Winding bracing or strutting arrangement is driven by driving, carries out combining or being separated with each process bottom land end, realizes winding and runs and operation conversion.Production line is controlled by PLC step instruction, and after lambda line, wound fabric is under power shaft drives, and carries out winding and rotates, and the rotating of setting power shaft runs interval 20s, driving shaft rotating speed 350r/min.
More than obtain fabric, the silver grey light of outward appearance, uniform color sheet resistance 0.5 Ω/cm.Testing result shielding properties 70dB, after washing 100 times, ratio resistance≤10
9-10Ω cm, bacteriostasis rate 95%, without obvious desilverization metachromatism.
Embodiment 6
Base material: terylene mesh, grammes per square metre 200g/m
2, thickness 0.12mm, fabric width 2m, entire volume length 200m.
Handling process: sensitization-clean 2 roads, each 10min; Preplating-clean 1 road, 3min; Ultrasonic assistant chemical silvering 30min-cleans 2 roads, each 5min; Dry-inspection.
In above flow process:
Sensitization adopts sensitized treatment liquid 260L to process 80min under room temperature, and wherein the concentration of each composition is: hydrochloric acid 20ml/L, stannous chloride 20g/L, and surplus is pure water; Processing procedure adds sensitizing solution add liquid 10L with quantitatively adding pump continous mode, and wherein the concentration of each composition is: hydrochloric acid 65ml/L, stannous chloride 45g/L, and surplus is pure water;
Preplating adopts preplating plating solution 250L to process 25min under room temperature, and wherein the concentration of each composition is: silver nitrate 0.15g/L, ammoniacal liquor 1.5ml/L, and surplus is pure water; Processing procedure adds preplating add liquid 10L with quantitatively adding pump continous mode, and wherein the concentration of each composition is: silver nitrate 8g/L, ammoniacal liquor 16ml/L, and surplus is pure water;
Ultrasonic assistant chemical silvering adopts silver plating liquid 450L, and wherein the concentration of each composition is: silver nitrate 3.5g/L, NaOH 0.1g/L, ammoniacal liquor 3ml/L, EDTA2 sodium 3g/L, reductant formaldehyde 3ml/L, adds silver plating liquid 20L, wherein adding concentration is: silver nitrate 70g/L, ammoniacal liquor 80ml/L, NaOH 10g/L, EDTA2 sodium 35g/L, reductant formaldehyde 90ml/L, surplus is pure water; In 40 DEG C of supersonic frequency 40kHZ, power 150W/cm
290min is processed under condition.
Dry: hot air circulation is air-dry, baking temperature 120 DEG C, drying time 20min.
After treatment trough put into by winding bracing or strutting arrangement, vertical winding core cylinder is connected with driving place power shaft and bottom land circulating filtration pump discharge, and its wound fabric makes fabric between two core cylinders, carry out winding alternately.Treatment fluid is around soaking fabric and through being circulated throughout the inner loop pipeline of filter pump by vertical winding core cylinder by the hole outer layers spray penetration wound fabric on core cylinder surface, realizing the even contact of fabric and each treatment fluid; Two vertical tension force spread rolls are responsible for launching fabric and expanding between vertical winding core cylinder, realize the even contact of fabric and each treatment fluid.Winding bracing or strutting arrangement is driven by driving, carries out combining or being separated with each process bottom land end, realizes winding and runs and operation conversion.Production line is controlled by PLC step instruction, and after lambda line, wound fabric is under power shaft drives, and carries out winding and rotates, and the rotating of setting power shaft runs interval 60s, driving shaft rotating speed 200r/min.
More than obtain fabric, the silver grey light of outward appearance, uniform color sheet resistance 1.2 Ω/cm.Testing result shielding properties 60dB.After washing 100 times, ratio resistance≤10
9-10Ω cm, bacteriostasis rate 95%, without obvious desilverization metachromatism.
Embodiment 7
With embodiment 2-6, difference is, the additional way of sensitizing solution and pre-plating solution adds for disposable before next workpiece enters groove.
Above embodiment is optimization formula prepared by silver-plated flexible fabric; these non-limiting implementation of filling a prescription; just for illustrating the present invention, the formula that those skilled in the art filters out according to thinking of the present invention and proportioning of selecting materials is protection scope of the present invention.
Claims (10)
1. for the vertical roll of flexible fabric around a continuous chemical silver-coating method, it is characterized in that comprising following operational sequence:
(1) sensitization adopts sensitized treatment liquid to process 10-90min under room temperature, and then continous mode adds sensitized treatment liquid,
Wherein,
Described sensitized treatment liquid opens cylinder concentration: hydrochloric acid 10-50mL/L, stannous chloride 10-30g/L,
Described sensitized treatment liquid adds concentration: hydrochloric acid 30-90mL/L, stannous chloride 30-60g/L;
(2) 3-10min is cleaned under cleaning room temperature;
(3) preplating adopts preplating plating solution to process 5-30min under room temperature, and then continous mode adds preplating plating solution, wherein,
Described preplating plating solution opens cylinder concentration: silver nitrate 0.1-1g/L, ammoniacal liquor 0.2-2mL/L,
Described preplating plating solution adds concentration: silver nitrate 1-10g/L, ammoniacal liquor 1-20mL/L;
(4) 3-10min is cleaned under cleaning room temperature;
(5) ultrasonic assistant chemical silvering adopts silver plating liquid to process 30-120min under 30-60 DEG C of condition, and processing procedure whole process opens ultrasonic assistant, and then liquid is added in disposable interpolation, wherein,
Described silver plating liquid opens cylinder concentration: silver nitrate 1-5g/L, NaOH 0.02-0.5g/L, ammoniacal liquor 1-5mL/L, EDTA2 sodium 0.1g-5g/L, reductant formaldehyde 1-5mL/L,
Described ultrasonic frequency 20kHz-50kHz, power 10-200W,
Described silver plating liquid adds concentration: silver nitrate 50-100g/L, ammoniacal liquor 50-200mL/L, NaOH 1-50g/L, EDTA2 sodium 5g-50g/L, reductant formaldehyde 30-200mL/L;
(6) 3-10min is cleaned under cleaning room temperature;
(7) drying adopts 60-120 DEG C of online hot-air seasoning or puts into hothouse after rolling off the production line and concentrates oven dry.
2. the vertical roll for flexible fabric as claimed in claim 1 is around continuous chemical silver-coating method, it is characterized in that, the continous mode of operation (1), (3) described sensitized treatment liquid and preplating plating solution is added, adopt and carry out disposable interpolation before next workpiece enters groove, normal service life 3-5 days, once concentrates renewal.
3. the vertical roll for flexible fabric as claimed in claim 1 or 2 is around continuous chemical silver-coating method, and it is characterized in that, described flexible fabric grammes per square metre is 20g/m
2-200g/m
2, fabric width 50-200cm, monovolume spooling length 20-200m.
4. the vertical roll for flexible fabric as claimed in claim 1 or 2 is around continuous chemical silver-coating method, and it is characterized in that, described flexible fabric is various woven, the knit goods of fibers material.
5. the vertical roll for flexible fabric as claimed in claim 4 is around continuous chemical silver-coating method, and it is characterized in that, described fibers material is nylon, terylene, acrylic fibers or its BLENDED FABRIC.
6. the vertical roll for flexible fabric as claimed in claim 1 or 2 is around continuous chemical silver-coating method, it is characterized in that, described matting is increase cleaning number of channels according to base material difference.
7. the winding bracing or strutting arrangement used around continuous chemical silver-coating method for the vertical roll of flexible fabric described in claim 1 or 2, is characterized in that, is made up of vertical winding core cylinder and vertical tension force spread rolls; The upper end of described vertical winding core cylinder and vertical tension force spread rolls is by driving clamping, and the lower end of described vertical winding core cylinder and vertical tension force spread rolls is all engaged with each coating bath bottom or is separated.
8. reel bracing or strutting arrangement as claimed in claim 7, it is characterized in that, described vertical winding core cylinder hollow, described vertical winding core cylinder upper end is cecum, and clamp by driving and rotated by driven by motor, described vertical winding core cylinder lower end establishes through hole to engage with each coating bath bottom circulating pump delivery port, realize water circulation and rotary support, described vertical winding core cylinder porous surface, aperture Ф 4 ~ 10mm, spacing 4-10mm is uniformly distributed; Described vertical tension force spread rolls is combined by a pair thread roller, and described vertical tension force spread rolls upper end is by driving clamping, and described vertical tension force spread rolls lower end is combined with each coating bath bottom rotary support point, and described thread roller clamps and passive rotation.
9. reel bracing or strutting arrangement as claimed in claim 7, it is characterized in that, the quantity of described vertical winding core cylinder is two, and described vertical tension force spread rolls quantity is two right.
10. reel bracing or strutting arrangement as claimed in claim 7, it is characterized in that, described vertical winding core cylinder wound fabric makes fabric carry out winding betwixt alternately, treatment fluid around immersion fabric, and is sprayed by the hole outer layers on vertical winding core cylinder surface by the inner loop pipeline of described vertical winding core cylinder; Described vertical tension force spread rolls is responsible for launching fabric and expanding, and realizes the even contact of fabric and each treatment fluid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410190506.3A CN103966838B (en) | 2014-05-07 | 2014-05-07 | A kind of flexible fabric vertical roll that is used for is around continuous chemical silver-coating method and device |
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| CN201410190506.3A CN103966838B (en) | 2014-05-07 | 2014-05-07 | A kind of flexible fabric vertical roll that is used for is around continuous chemical silver-coating method and device |
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| CN103966838A CN103966838A (en) | 2014-08-06 |
| CN103966838B true CN103966838B (en) | 2015-11-25 |
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| CN108456875B (en) * | 2018-03-16 | 2019-10-18 | 华南理工大学 | A kind of low roughness silverskin and the preparation method and application thereof |
| CN110172824A (en) * | 2018-10-08 | 2019-08-27 | 盐城传承服装贸易有限公司 | A kind of nylon fabric silver plating process |
| CN109914096A (en) * | 2019-02-20 | 2019-06-21 | 常州市海若纺织品有限公司 | A kind of preparation method of the silver-plated acrylic fiber of functional form |
| CN111841149A (en) * | 2020-05-27 | 2020-10-30 | 常州微度化工新材料科技有限公司 | Filter material for self-antibacterial disinfecting mask and manufacturing method thereof |
| CN112680725B (en) * | 2020-12-16 | 2022-12-06 | 大连崇达电路有限公司 | Control method and control structure for tin-immersion wire prepreg liquid medicine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012552A (en) * | 2007-01-27 | 2007-08-08 | 吕琳 | Steady multitime supplementary fiber chemical silver coating method |
| CN102733181A (en) * | 2012-05-21 | 2012-10-17 | 三元控股集团有限公司 | Chemical silver plating device for fabric and special method thereof |
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| US20030124256A1 (en) * | 2000-04-10 | 2003-07-03 | Omnishield, Inc. | Omnishield process and product |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101012552A (en) * | 2007-01-27 | 2007-08-08 | 吕琳 | Steady multitime supplementary fiber chemical silver coating method |
| CN102733181A (en) * | 2012-05-21 | 2012-10-17 | 三元控股集团有限公司 | Chemical silver plating device for fabric and special method thereof |
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