CN110962206A - Manufacturing method of colorful electromagnetic shielding technical wood - Google Patents
Manufacturing method of colorful electromagnetic shielding technical wood Download PDFInfo
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- CN110962206A CN110962206A CN201911338058.6A CN201911338058A CN110962206A CN 110962206 A CN110962206 A CN 110962206A CN 201911338058 A CN201911338058 A CN 201911338058A CN 110962206 A CN110962206 A CN 110962206A
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- electromagnetic shielding
- technical wood
- mass
- colorful
- chemical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1689—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
- C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
- C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Chemically Coating (AREA)
Abstract
A manufacturing method of colorful electromagnetic shielding technical wood comprises the following steps: firstly, preparing chemical nickel plating solution; secondly, preparing a colorizing liquid; thirdly, chemical plating; fourth, the coating is colored, the beneficial effects of the invention are: the invention uses the technical wood to replace the traditional wood veneer, thereby playing a good role in protecting the famous and precious tree species; the chemical nickel plating reduces the surface resistivity of the technical wood veneer, plays a role in shielding electromagnetic radiation, and avoids harm to human bodies caused by long-term radiation; the colorful electromagnetic shielding technical wood veneer has the appearance of a good visual effect of uniformly doping various colors such as red, blue, yellow, purple, green and the like, and meets the individual requirements of consumers.
Description
Technical Field
The invention relates to the field of wood processing, in particular to a manufacturing method of colorful electromagnetic shielding technical wood.
Background
At present, with the rapid development of electronic technology, a large number of digitized and high-frequency electronic and electrical devices are applied in many fields, and when the devices work, a large number of electromagnetic waves with different wavelengths and frequencies are radiated to the space, so that new environmental pollution, namely electromagnetic wave interference and radiation frequency interference, is caused. When the electromagnetic radiation exceeds a certain value, the interference is caused to the instruments and equipment, information leakage is caused, and the national security is further endangered, so that the problem of electromagnetic radiation is solved. Meanwhile, the electromagnetic wave interference has become a social public nuisance, and can bring harm to the health of people and induce various diseases when being in an environment polluted by electromagnetic waves for a long time. Most of antistatic products appearing in the market adopt an added active carbon layer, an anti-cracking multifunctional impregnated bond paper artificial board and a manufacturing method thereof (CN201710254261. X), and an environment-friendly antistatic ecological board (CN 201620116379.7), wherein the added active carbon particle layer is used as an antistatic layer, the conductivity of the active carbon is poor, graphite, carbon fiber and the like are required to be added, the process is complicated, and the aging performance is certain.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a manufacturing method of a colorful electromagnetic shielding technical wood, which reduces the surface resistivity of a single plate through advanced chemical plating, shields electromagnetic radiation and endows colorful color textures through colorization.
The invention adopts the technical scheme for solving the technical problems that: a manufacturing method of colorful electromagnetic shielding technical wood comprises the following steps:
firstly, preparing a chemical nickel plating solution: the chemical nickel plating solution consists of 20-35 parts by mass of nickel sulfate, 25-35 parts by mass of sodium hypophosphite, 25-35 parts by mass of a complexing agent, 20-30 parts by mass of a buffering agent and 0.01-0.02 part by mass of a stabilizer; nickel sulfate is the main nickel salt of electroplated nickel, dissociating nickel ions and sulfate ions. Sodium hypophosphite can prepare polyamide high-molecular polyimide to accelerate chemical reaction; the complexing agent is a compound capable of forming a complex ion with a metal ion. The buffering agent is used for controlling the solid combination of liquid fugacity under normal temperature and pressure. The stabilizer can slow down the reaction, keep chemical equilibrium, reduce surface tension, and prevent light, thermal decomposition or oxidative decomposition.
Secondly, preparing a colorizing liquid: the colorizing liquid is prepared by mixing 25 to 40 parts by mass of ammonium molybdate, 8 to 10 parts by mass of sodium phosphite and 0.5 to 3 parts by mass of an auxiliary agent; ammonium molybdate is a raw material for manufacturing pigments. The sodium phosphite plays a role in reducing agent whitening. The auxiliary agent plays a role in improving the optical performance so that the colorama color meets the standard.
Thirdly, chemical plating: placing the technical wood veneer into a sodium borohydride solution for treatment, taking out, standing for 3-5min, placing into the chemical plating solution obtained in the first step, and carrying out chemical plating to obtain a nickel-plated electromagnetic shielding technical wood veneer; the sodium borohydride as a reducing agent can be used for chemical plating of nonferrous metals, wherein the sodium borohydride is mainly applied to chemical nickel plating, and the purpose of immersing the decorative surface decorative veneer into the sodium borohydride solution is to ensure that nickel plating is uniform and complete and is not easy to fall off when the decorative surface decorative veneer is subsequently immersed into a nickel plating solution.
Fourth, coating colorization: putting the nickel-plated electromagnetic shielding technical wood veneer into a colorizing liquid, and adjusting the temperature of the colorizing liquid to 80-95 ℃ for 10-30 min.
For further improvement, the complexing agent in the first step is one or more of citric acid, tartaric acid, succinic acid, butenedioic acid, sodium fluoride, ammonium bifluoride and the like.
Further perfecting, in the first step, the buffer is one or more of trisodium citrate, potassium citrate, boric acid, acetic acid and the like.
Further perfection, the stabilizer in the first step is one or more of aminoacetic acid, aminopropionic acid, ammonium fluoride and the like.
Further perfecting, wherein the pH value of the chemical nickel plating solution in the first step is 7-9.
The invention has the beneficial effects that: the invention uses the technical wood to replace the traditional wood veneer, thereby playing a good role in protecting the famous and precious tree species; the chemical nickel plating reduces the surface resistivity of the technical wood veneer, plays a role in shielding electromagnetic radiation, and avoids harm to human bodies caused by long-term radiation; the colorful electromagnetic shielding technical wood veneer has the appearance of a good visual effect of uniformly doping various colors such as red, blue, yellow, purple, green and the like, and meets the individual requirements of consumers.
Detailed Description
In a first embodiment, a method for manufacturing a colorful electromagnetic shielding engineered wood includes the following steps:
firstly, preparing a chemical nickel plating solution: the chemical nickel plating solution consists of 35 g of nickel sulfate, 35 g of sodium hypophosphite, 35 g of sodium fluoride, 30 g of potassium citrate and 0.02 g of aminopropionic acid;
secondly, preparing a colorizing liquid: the colorizing liquid is prepared by mixing 40 g of ammonium molybdate, 10 g of sodium phosphite and 3 g of auxiliary agent;
thirdly, chemical plating: placing the technical wood veneer into a sodium borohydride solution for treatment, taking out, standing for 5min, placing into the chemical plating solution obtained in the first step, and obtaining the nickel-plated electromagnetic shielding technical wood veneer after chemical plating;
fourth, coating colorization: and (3) placing the nickel-plated electromagnetic shielding technical wood veneer into the colorizing liquid, and adjusting the temperature of the colorizing liquid to 95 ℃ for 30 min.
In a second embodiment, a method for manufacturing a colorful electromagnetic shielding laminated wood includes the following steps:
firstly, preparing a chemical nickel plating solution: the chemical nickel plating solution consists of 35 g of nickel sulfate, 35 g of sodium hypophosphite, 35 g of tartaric acid, 30 g of trisodium citrate and 0.02 g of ammonium fluoride;
secondly, preparing a colorizing liquid: the colorizing liquid is prepared by mixing 40 g of ammonium molybdate, 10 g of sodium phosphite and 3 g of auxiliary agent;
thirdly, chemical plating: placing the technical wood veneer into a sodium borohydride solution for treatment, taking out, standing for 5min, placing into the chemical plating solution obtained in the first step, and obtaining the nickel-plated electromagnetic shielding technical wood veneer after chemical plating;
fourth, coating colorization: and (3) placing the nickel-plated electromagnetic shielding technical wood veneer into the colorizing liquid, and adjusting the temperature of the colorizing liquid to 95 ℃ for 30 min.
In a third embodiment, a method for manufacturing a colorful electromagnetic shielding laminated wood includes the following steps:
firstly, preparing a chemical nickel plating solution: the chemical nickel plating solution consists of 35 g of nickel sulfate, 35 g of sodium hypophosphite, 35 g of butenedioic acid, 30 g of potassium citrate and 0.02 g of aminopropionic acid;
secondly, preparing a colorizing liquid: the colorizing liquid is prepared by mixing 40 g of ammonium molybdate, 10 g of sodium phosphite and 3 g of auxiliary agent;
thirdly, chemical plating: placing the technical wood veneer into a sodium borohydride solution for treatment, taking out, standing for 5min, placing into the chemical plating solution obtained in the first step, and obtaining the nickel-plated electromagnetic shielding technical wood veneer after chemical plating;
fourth, coating colorization: and (3) placing the nickel-plated electromagnetic shielding technical wood veneer into the colorizing liquid, and adjusting the temperature of the colorizing liquid to 95 ℃ for 30 min.
In a fourth embodiment, a method for manufacturing a colorful electromagnetic shielding laminated wood includes the following steps:
firstly, preparing a chemical nickel plating solution: the chemical nickel plating solution consists of 35 g of nickel sulfate, 35 g of sodium hypophosphite, 35 g of succinic acid, 30 g of trisodium citrate and 0.02 g of aminopropionic acid;
secondly, preparing a colorizing liquid: the colorizing liquid is prepared by mixing 40 g of ammonium molybdate, 10 g of sodium phosphite and 3 g of auxiliary agent;
thirdly, chemical plating: placing the technical wood veneer into a sodium borohydride solution for treatment, taking out, standing for 5min, placing into the chemical plating solution obtained in the first step, and obtaining the nickel-plated electromagnetic shielding technical wood veneer after chemical plating;
fourth, coating colorization: and (3) placing the nickel-plated electromagnetic shielding technical wood veneer into the colorizing liquid, and adjusting the temperature of the colorizing liquid to 95 ℃ for 30 min.
In a fifth embodiment, a method for manufacturing a colorful electromagnetic shielding engineered wood includes the following steps:
firstly, preparing a chemical nickel plating solution: the chemical nickel plating solution consists of 35 g of nickel sulfate, 35 g of sodium hypophosphite, 35 g of hydrogen fluoride, 30 g of acetic acid and 0.02 g of aminopropionic acid;
secondly, preparing a colorizing liquid: the colorizing liquid is prepared by mixing 40 g of ammonium molybdate, 10 g of sodium phosphite and 3 g of auxiliary agent;
thirdly, chemical plating: placing the technical wood veneer into a sodium borohydride solution for treatment, taking out, standing for 5min, placing into the chemical plating solution obtained in the first step, and obtaining the nickel-plated electromagnetic shielding technical wood veneer after chemical plating;
fourth, coating colorization: and (3) placing the nickel-plated electromagnetic shielding technical wood veneer into the colorizing liquid, and adjusting the temperature of the colorizing liquid to 95 ℃ for 30 min.
In summary, in the first embodiment, when the plating solution has low viscosity, the plating solution can be quickly coated on a place where a single plate is soaked by a sodium borohydride solution, and can be quickly solidified and dried within 7-1 seconds, so that the plating solution is suitable for mass production, has high electrical conductivity, can effectively transmit and release static electricity, has high tensile strength, can adapt to temperature change and thermal expansion and cold contraction of the single plate, is not easy to damage in daily use, and can keep electrical conductivity unchanged when being stretched; in the second embodiment, the plating solution has high viscosity, so that the plating solution can be locally accumulated on the surface of the single plate, or the thickness of the plating solution on the surface of the single plate is increased, and thus the effect of shielding electromagnetic radiation can be improved, the plating solution has high viscosity and is slowly solidified, people can more conveniently control the distribution and smearing of the plating solution, the plating solution can change the shape even if being solidified due to high plasticity, the adaptability is strong, the plasticity and the conductivity do not change along with the temperature within the range of-40 to 120 ℃, and thus the plating solution can adapt to various high-temperature or severe cold environments, has the heat insulation and flame retardant effects, and can also play a role in protection when a fire disaster occurs; the third to fifth embodiments only have the function of shielding electromagnetic radiation, the drying time after coating is long, the production efficiency is low, the coating is easy to fall off in use, the service life is short, the conductivity is low, static electricity cannot be effectively transferred, effective adaptation cannot be performed when different environments are met or different emergency situations occur, and the application range is narrow.
Although the present invention has been described with reference to preferred embodiments, workers skilled in the art will recognize that changes may be made in form and detail without departing from the scope of the claims.
Claims (5)
1. A manufacturing method of colorful electromagnetic shielding technical wood comprises the following steps:
firstly, preparing a chemical nickel plating solution: the chemical nickel plating solution consists of 20-35 parts by mass of nickel sulfate, 25-35 parts by mass of sodium hypophosphite, 25-35 parts by mass of a complexing agent, 20-30 parts by mass of a buffering agent and 0.01-0.02 part by mass of a stabilizer;
secondly, preparing a colorizing liquid: the colorizing liquid is prepared by mixing 25 to 40 parts by mass of ammonium molybdate, 8 to 10 parts by mass of sodium phosphite and 0.5 to 3 parts by mass of an auxiliary agent;
thirdly, chemical plating: placing the technical wood veneer into a sodium borohydride solution for treatment, taking out, standing for 3-5min, placing into the chemical plating solution obtained in the first step, and carrying out chemical plating to obtain a nickel-plated electromagnetic shielding technical wood veneer;
fourth, coating colorization: putting the nickel-plated electromagnetic shielding technical wood veneer into a colorizing liquid, and adjusting the temperature of the colorizing liquid to 80-95 ℃ for 10-30 min.
2. The method for manufacturing colorful electromagnetic shielding technical wood according to claim 1, which is characterized in that: in the first step, the complexing agent is one or more of citric acid, tartaric acid, succinic acid, butenedioic acid, sodium fluoride, ammonium bifluoride and the like.
3. The method for manufacturing colorful electromagnetic shielding technical wood according to claim 1, which is characterized in that: the buffering agent in the step one is one or more of trisodium citrate, potassium citrate, boric acid, acetic acid and the like.
4. The method for manufacturing colorful electromagnetic shielding technical wood according to claim 1, which is characterized in that: the stabilizer in the first step is one or more of aminoacetic acid, aminopropionic acid, ammonium fluoride and the like.
5. The method for manufacturing colorful electromagnetic shielding technical wood according to claim 1, which is characterized in that: and in the first step, the pH value of the chemical nickel plating solution is 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911338058.6A CN110962206A (en) | 2019-12-23 | 2019-12-23 | Manufacturing method of colorful electromagnetic shielding technical wood |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911338058.6A CN110962206A (en) | 2019-12-23 | 2019-12-23 | Manufacturing method of colorful electromagnetic shielding technical wood |
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| CN110962206A true CN110962206A (en) | 2020-04-07 |
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| CN201911338058.6A Pending CN110962206A (en) | 2019-12-23 | 2019-12-23 | Manufacturing method of colorful electromagnetic shielding technical wood |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1160411A (en) * | 1997-06-10 | 1999-03-02 | Nof Corp | Wood preservative |
| CN1772450A (en) * | 2005-11-08 | 2006-05-17 | 东北林业大学 | Making process of electromagnetically shielding composite wooden material |
| CN101270474A (en) * | 2007-03-21 | 2008-09-24 | 内蒙古农业大学 | Activation technique for lumber chemical nickel plating |
| CN101307439A (en) * | 2008-07-16 | 2008-11-19 | 东北林业大学 | Chemical nickel plating process on surface of wood |
| CN104213105A (en) * | 2014-10-11 | 2014-12-17 | 东北林业大学 | Method of nickel, ferrum and phosphorus ternary alloy chemical plating on wood surface |
-
2019
- 2019-12-23 CN CN201911338058.6A patent/CN110962206A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1160411A (en) * | 1997-06-10 | 1999-03-02 | Nof Corp | Wood preservative |
| CN1772450A (en) * | 2005-11-08 | 2006-05-17 | 东北林业大学 | Making process of electromagnetically shielding composite wooden material |
| CN101270474A (en) * | 2007-03-21 | 2008-09-24 | 内蒙古农业大学 | Activation technique for lumber chemical nickel plating |
| CN101307439A (en) * | 2008-07-16 | 2008-11-19 | 东北林业大学 | Chemical nickel plating process on surface of wood |
| CN104213105A (en) * | 2014-10-11 | 2014-12-17 | 东北林业大学 | Method of nickel, ferrum and phosphorus ternary alloy chemical plating on wood surface |
Non-Patent Citations (1)
| Title |
|---|
| 孙丽丽: "新型化学镀法制备木质电磁屏蔽材料的研究", 《中国博士学位论文全文数据库》 * |
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Application publication date: 20200407 |