CN103469562A - Preparation method of fabric surface by employing atomizing chemical plating - Google Patents
Preparation method of fabric surface by employing atomizing chemical plating Download PDFInfo
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- CN103469562A CN103469562A CN2013104302557A CN201310430255A CN103469562A CN 103469562 A CN103469562 A CN 103469562A CN 2013104302557 A CN2013104302557 A CN 2013104302557A CN 201310430255 A CN201310430255 A CN 201310430255A CN 103469562 A CN103469562 A CN 103469562A
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Abstract
The invention discloses a preparation method of fabric surface by employing atomizing chemical plating, and belongs to a non-metallic material chemical plating technology. The method comprises the following steps: atomizing a chemical plating solution into liquid drops in an atomization mode; depositing on activated fabric; carrying out oxidation-reduction reaction, so as to prepare metalized fabric. The method disclosed by the invention is simple, and low in cost; no liquid waste is generated in the operation process; the chemical plating solution can be stored for a long period of time; the ageing of the plating solution is avoided; the method can be used for large-scale continuous production. Compared with a product prepared by using a conventional chemical plating solution method, the adhesive force between a metal layer and a fabric substrate of the metalized fabric prepared by using the method is obviously improved; the metalized fabric has outstanding abrasion resistance and washing fastness; the performances of the fabric, such as serviceability, can be obviously improved. Therefore, the preparation method can be widely applied to the fields of national defense, aerospace, communication, clothing, curtains, shielding equipments and the like.
Description
Technical field
The present invention relates to a kind of preparation method of fabric face spraying chemical plating, belong to the chemical plating of non-metal material technical field.
Background technology
Metallized fabrics, as the electromagnet compatible material, has the electric conductivity of metal concurrently, the softness of electromagnetic wave shielding and textiles, ventilating performance, be emerging and one of broad-spectrum shielding material, can be widely used in national defence, space flight, aviation, electronics, electric power, communication, field and the departments such as medical treatment.
Chemical plating is one of metallized effective way of nonmetallic materials, has technique simple, and cost is low, small investment, and the bond strength of coating and matrix is high, and the advantages such as environmental protection are occupied critical role in the metallization of fabric field.Traditional chemical plating is to carry out redox reaction under solution state, this method easily causes the waste of solution, and plating solution can be aging in the process of plating, plating speed obviously reduces, even plating is not fast, the adhesive force of the metal simple-substance restored on fabric face, ABRASION RESISTANCE, washing resistance is poor.
Summary of the invention
For above-mentioned existing problems, the object of the invention is to technical problem to be solved is, provide a kind of method that adopts the spraying chemical plating: chemical plating solution is imposed on to the rear fabric face of activation in the mode of spraying, each drop can permeate while being absorbed by fabric face towards periphery, in fabric face generation redox reaction, restore metal simple-substance and be attached to fabric face.For achieving the above object, technical solution of the present invention is:
A kind of preparation method of fabric face spraying chemical plating, described preparation method carries out according to the following steps:
The no-palladium activating of a fabric is processed:
After the fabric cleaned up is placed in to mixed aqueous solution that nickel salt that concentration is 0.05～0.25g/mL and concentration are 0.02～0.25g/mL hydrochloric acid and floods 10～30min, taking out and putting into concentration is 0.01～0.2g/mL NaBH
4with flood 10～30min in the NaOH mixed aqueous solution of concentration 0.01～0.2g/mL after take out, use washed with de-ionized water, dry 20min under 60 ℃ of conditions.
Wherein, described nickel salt is a kind of in nickelous sulfate or nickel acetate or nickel chloride.
The b chemical plating of spraying:
The chemical plating solution prepared is packed into and is placed with in the first reactor of atomizer, and the first reactor is inserted in cooling bath, and the first reactor upper port connects the air-flow bottle; Fabric after the activation of a step is placed in to the second reactor, connect atomizer and air-flow bottle in the first reactor, making chemical plating solution be atomized into hanging drop imports and is equipped with in the second reaction vessel of fabric through pipeline with air-flow, atomization 1～2h, atomization temperature is 20～70 ℃, at fabric face, forms uniform metal level, takes out the fabric in the second reaction vessel, use washed with de-ionized water, put into 60 ℃ of dry 60min of thermostatic drying chamber and get final product.
Described chemical plating solution is a kind of in nickel salt solution or copper salt solution or silver salt solution.
Owing to having adopted above technical scheme, the preparation method of a kind of fabric face spraying chemical plating of the present invention, what adopt is chemical plating solution to be atomized into to hanging drop be deposited in the fabric face and fabric void after activation, and infiltration towards periphery, the generation metal simple-substance that reacts is adsorbed on fabric face, thereby can realize chemical plating being uniformly distributed at fabric face in the situation that spray seldom quantification plating solution, saved chemical plating fluid, avoid the aging of the pollution of solution and plating solution, improved the adhesive force between metal level and fabric.Atomization method of the present invention is simple, and cost of material is low, is suitable for large-scale continuous production.The spraying that prepared by the present invention chemistry metal-coated fabric has good electric conductivity, electromagnetic wave shielding, pliability and ABRASION RESISTANCE, the characteristics such as washing resistance, have stronger adhesive force, and wearability is good.Can be widely used in sensor, antistatic, antibiotic, reflection and absorption ultraviolet ray and infrared ray, exposure suit and military affairs, the special dimensions such as national defence.
the accompanying drawing explanation:
Accompanying drawing is the present invention's chemical plating reaction principle schematic diagram of spraying.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described, sees accompanying drawing.
A kind of preparation method of fabric face metallized spraying chemical plating, described preparation method carries out according to the following steps:
The preliminary treatment of a fabric
Fabric is placed in to the sodium hydroxide solution of 20g/L, under the condition of 90 ℃, processes 60min, then clean up dry for standby;
The no-palladium activating of b fabric is processed:
After the fabric cleaned up is placed in to mixed aqueous solution that nickel salt that concentration is 0.05～0.25g/mL and concentration are 0.02～0.25g/mL hydrochloric acid and floods 10～30min, taking out and putting into concentration is 0.01～0.2g/mL NaBH
4with flood 10～30min in the NaOH mixed aqueous solution of concentration 0.01～0.2g/mL after take out, there is the elemental nickel of catalytic activity in fabric face absorption, use washed with de-ionized water, dry 20min under 60 ℃ of conditions.Can not only reduce heavy metal pollution by the method for no-palladium activating, can also reduce production costs.
Wherein, described nickel salt is a kind of in nickelous sulfate or nickel acetate or nickel chloride;
The c chemical plating of spraying:
The chemical plating solution prepared is packed into and is placed with in the first reactor 1 of atomizer, and the first reactor 1 is inserted in cooling bath, and the upper port of the first reactor 1 connects the air-flow bottle, and the gas in the air-flow bottle adopts nitrogen or air.Fabric 4 after the activation of a step is placed in the second reactor 2, connect atomizer and air-flow bottle in the first reactor 1, making chemical plating solution be atomized into hanging drop imports and is equipped with in the second reaction vessel 2 of fabric 4 through pipeline with air-flow, atomization 1～2h, atomization temperature is 20～70 ℃, at fabric face, forms uniform metal level, takes out the fabric 4 in the second reaction vessel 2, use washed with de-ionized water, put into 60 ℃ of dry 60min of thermostatic drying chamber and can obtain metallized fabric.The 3rd reactor 3 is for collecting the second reactor 2 residual solutions.As required, fabric 4 can horizontally suspend in the second reactor 2, makes the fabric that one side is coated with metal level, also can be hung vertically in the second reactor 2, makes the fabric that two sides is coated with metal level.Conventional solution chemistry plating is along with the carrying out of reaction, and the byproducts build-up that reaction produces increases, and makes the hydraulic performance decline of plating solution, causes the chemical plating fluid aging phenomenon, adopts the mode of spraying by the chemical plating fluid atomization, can avoid the aging of chemical plating solution.
Described chemical plating solution is a kind of in nickel salt solution or copper salt solution or silver salt solution.
Specific embodiment
Embodiment mono-
As stated above fabric is placed in to the sodium hydroxide solution of 20g/L, under the condition of 90 ℃, processes 60min, then clean up dry for standby; After the fabric cleaned up is placed in to the mixed aqueous solution dipping 10min that nickelous sulfate that concentration is 0.05g/mL and concentration are 0.02g/mL hydrochloric acid, taking out and putting into concentration is 0.01 g/mL NaBH
4with in the concentration NaOH mixed aqueous solution that is 0.01 g/mL, after dipping 10min, take out, use washed with de-ionized water, dry 20min under 60 ℃ of conditions.The electroless copper plating solution consists of: copper sulphate 10g/L, and sodium potassium tartrate tetrahydrate 50g/L, NaOH 10g/L, formaldehyde 10g/L, pH value is 12.The chemical copper plating solution prepared is packed into and is equipped with in the first reactor 1 of atomizer, and wherein the first reactor 1 is placed in cooling bath, and the upper port of the first reactor 1 connects the air-flow bottle; Fabric 4 after activation is horizontally suspended in the second reactor 2, and temperature is controlled at 20 ℃; First connect atomizer and air-flow bottle in the first reactor 1, making chemical copper plating solution be atomized into hanging drop imports and horizontally suspends in the second reaction vessel 2 of fabric 4 through pipeline with air-flow, atomization 1h, take out the fabric 4 in the second reactor 2, use washed with de-ionized water, put into 60 ℃ of dry 60min of thermostatic drying chamber and get final product.
Embodiment bis-
As stated above fabric is placed in to the sodium hydroxide solution of 20g/L, under the condition of 90 ℃, processes 60min, then clean up dry for standby; After the fabric cleaned up is placed in to the mixed aqueous solution dipping 30min that nickel acetate that concentration is 0.25g/mL and concentration are 0.25g/mL hydrochloric acid, taking out and putting into concentration is 0.2 g/mL NaBH
4with in the concentration NaOH mixed aqueous solution that is 0.2 g/mL, after dipping 30min, take out, use washed with de-ionized water, dry 20min under 60 ℃ of conditions.Chemical plating liquid consists of: silver nitrate 20g/L, and proper ammonia, sodium potassium tartrate tetrahydrate 100g/L, pH value is 12.5.The chemical silvering solution prepared is packed into and is equipped with in the first reactor 1 of atomizer, and wherein the first reactor 1 is inserted in cooling bath, and the upper port of the first reactor 1 connects the air-flow bottle; Fabric 4 after activation is horizontally suspended in the second reactor 2; First connect atomizer and air-flow bottle in the first reactor 1, making the chemical silvering solution mist change into hanging drop imports and horizontally suspends in the second reaction vessel 2 of fabric 4 through pipeline with air-flow, atomization 1.5h, take out the fabric 4 in the second reactor 2, use washed with de-ionized water, put into 60 ℃ of dry 60min of thermostatic drying chamber and get final product.
Embodiment tri-
As stated above fabric is placed in to the sodium hydroxide solution of 20g/L, under the condition of 90 ℃, processes 60min, then clean up dry for standby; After the fabric cleaned up is placed in to the mixed aqueous solution dipping 20min that nickel chloride that concentration is 0.2g/mL and concentration are 0.1g/mL hydrochloric acid, taking out and putting into concentration is 0.1 g/mL NaBH
4with in the concentration NaOH mixed aqueous solution that is 0.1 g/mL, after dipping 20min, take out, use washed with de-ionized water, at dry 20min under 60 ℃ of conditions.Chemical nickel-plating liquid consists of: nickelous sulfate 35g/L, and succinic acid 35g/L, malic acid 30g/L, inferior sodium phosphate 30 g/L, pH value is 7.The chemical nickel-plating solution prepared is packed into and is equipped with in the first reactor 1 of atomizer, and wherein the first reactor 1 is inserted in cooling bath, and the upper port of the first reactor 1 connects the air-flow bottle; Fabric 4 after activation is hung vertically in the second reactor 2; First connect atomizer and air-flow bottle in the first reactor 1, making chemical nickel-plating solution be atomized into hanging drop has in the second reaction vessel 2 of fabric 4 through pipeline importing vertical hanging with air-flow, atomization 2h, take out the fabric 4 in the second reactor 2, use washed with de-ionized water, put into 60 ℃ of dry 60min of thermostatic drying chamber and get final product.
Claims (2)
1. the preparation method of fabric face spraying chemical plating, it is characterized in that: described preparation method carries out according to the following steps:
The no-palladium activating of a fabric is processed:
After the fabric cleaned up is placed in to mixed aqueous solution that nickel salt that concentration is 0.05～0.25g/mL and concentration are 0.02～0.25g/mL hydrochloric acid and floods 10～30min, taking out and putting into concentration is 0.01～0.2g/mL NaBH
4with flood 10～30min in the NaOH mixed aqueous solution of concentration 0.01～0.2g/mL after take out, use washed with de-ionized water, dry 20min under 60 ℃ of conditions;
Wherein, described nickel salt is a kind of in nickelous sulfate or nickel acetate or nickel chloride;
The b chemical plating of spraying:
The chemical plating solution prepared is packed in the first reactor (1) that is placed with atomizer, the first reactor (1) is inserted in cooling bath, the upper port of the first reactor (1) connects the air-flow bottle, and the fabric (4) after the activation of a step is placed in the second reactor (2); Connect atomizer and air-flow bottle in the first reactor (1), making chemical plating solution be atomized into hanging drop imports and is equipped with in second reaction vessel (2) of fabric (4) through pipeline with air-flow, atomization 1～2h, atomization temperature is 20～70 ℃, form uniform metal level on fabric (4) surface, take out the fabric (4) in the second reaction vessel (2), use washed with de-ionized water, put into 60 ℃ of dry 60min of thermostatic drying chamber and get final product.
2. the preparation method of fabric face spraying chemical plating is characterized in that: described chemical plating solution is a kind of in nickel salt solution or copper salt solution or silver salt solution.
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| CN201310430255.7A CN103469562B (en) | 2013-09-22 | 2013-09-22 | Preparation method of fabric surface by employing atomizing chemical plating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747634A (en) * | 2019-11-28 | 2020-02-04 | 南京海派企业管理咨询有限公司 | Textile radiation-proof agent and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108085968B (en) * | 2017-12-05 | 2020-10-16 | 武汉纺织大学 | Preparation method of metal coated fabric |
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| CN102002688A (en) * | 2010-08-24 | 2011-04-06 | 桂林理工大学 | No-palladium activate fluid formula and activation method of fabric chemical plating iron and nickel |
| CN102867940A (en) * | 2012-10-12 | 2013-01-09 | 武汉工程大学 | Process for preparing lithium sulfur battery modified anode |
| CN103114437A (en) * | 2013-02-01 | 2013-05-22 | 东华大学 | Method for chemically plating nickel at textile surface without using palladium |
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2013
- 2013-09-22 CN CN201310430255.7A patent/CN103469562B/en not_active Expired - Fee Related
Patent Citations (4)
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| US5683744A (en) * | 1993-04-30 | 1997-11-04 | Commissariat A L'energie Atomique | Process for the preparation of a porous material layer covered with an electronically conductive polymer and the product obtained by this process |
| CN102002688A (en) * | 2010-08-24 | 2011-04-06 | 桂林理工大学 | No-palladium activate fluid formula and activation method of fabric chemical plating iron and nickel |
| CN102867940A (en) * | 2012-10-12 | 2013-01-09 | 武汉工程大学 | Process for preparing lithium sulfur battery modified anode |
| CN103114437A (en) * | 2013-02-01 | 2013-05-22 | 东华大学 | Method for chemically plating nickel at textile surface without using palladium |
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| CN110747634A (en) * | 2019-11-28 | 2020-02-04 | 南京海派企业管理咨询有限公司 | Textile radiation-proof agent and preparation method thereof |
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