CN100451168C - Composition for chemical Cu plating onto timber surface and the chemical Cu plating process - Google Patents
Composition for chemical Cu plating onto timber surface and the chemical Cu plating process Download PDFInfo
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- CN100451168C CN100451168C CNB2005101262093A CN200510126209A CN100451168C CN 100451168 C CN100451168 C CN 100451168C CN B2005101262093 A CNB2005101262093 A CN B2005101262093A CN 200510126209 A CN200510126209 A CN 200510126209A CN 100451168 C CN100451168 C CN 100451168C
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Abstract
The present invention discloses one kind of composition for chemical copper plating onto timber surface and the chemical copper plating process. The composition contains copper compound, complexing agent and reductant. The chemical copper plating process is to set the timber in the composition solution, so that copper ion is reduced through chemical reaction and deposited homogeneously onto the surface of the timber and the timber surface possesses metal decoration effect and conducting performance. The present invention can reach copper coating thickness over 3.5 microns and square resistivity as low as 0.06 ohm, being comparable with copper foil.
Description
[technical field]
The present invention relates to a kind of electroless copper composition, use the electroless copper plating method of this composition.More specifically, the present invention relates to a kind of composition that is used for the wood surface electroless copper, use the method for this composition at the wood surface electroless copper.
[background technology]
Timber is widely used in each link of the national economic development, from the daily living utensil of people, furniture, upholstery and furnishings member to package packing supplies, transportation means, movable equipment to heavy construction, timber is all being taken on important role.The evolution of human civilization that utilized witness of timber.
The woodwork of furnishings changes to the direction that function combines with art from traditional complete effect, and the surface decoration of timber seems particularly important like this.It mainly is to cover by unsaturated polyester (paint) that traditional wood surface is decorated, and solidifies the back and forms the successive hard films.As time goes on, this film meeting aging cracking, thus destroy its aesthetic property.Because timber has texture and the texture and the renewable performance thereof of pleasant, the property (as the conductivity of timber that the present invention gives) of exploitation timber is one of important developing direction of timber science simultaneously.
The inventor is according to the characteristic of timber, utilize chemical principle, through big quantity research and test, invented a kind of electroless copper plating method that adopts and implemented copper coating and the composition that is used for the wood surface electroless copper at wood surface, adopt treatment process of the present invention can give the metallicity of wood surface, improve the decorative effect of timber greatly, also made timber have conductivity as the metal, thereby expanded the range of application of timber more.
[summary of the invention]
[technical problem to be solved]
The object of the invention provides a kind of composition that is used for the wood surface electroless copper.
Another object of the present invention provides a kind of method of using described composition to carry out the wood surface electroless copper, the timber that adopts this method to handle, when improving wood dimensional stability, also improve the decorative effect of wood surface, and give timber special conductivity, thereby expand the range of application of timber more, improve the economic worth of timber.
[technical scheme]
Electroless copper is the characteristic according to timber, utilizes chemical principle, implements copper facing at wood surface, reaches the method that forms copper coating at wood surface.
The present invention relates to a kind of composition that is used for the wood surface electroless copper, it is characterized in that said composition contains following compositions:
Copper compound: 5.0～15.0 weight parts
Complexing agent: 10.0～50.0 weight parts
Reductive agent: 1.0～7.0 weight parts.
Preferably, said composition contains following compositions:
Copper compound: 8.0～12.0 weight parts
Complexing agent: 20.0～30.0 weight parts
Reductive agent: 2.22～3.7 weight parts.
In a kind of embodiment of the present invention, described copper compound is selected from the salt and/or the oxide compound of energy copper ion releasing.Preferably, the salt of described copper ion releasing and/or oxide compound are one or more salt or oxide compounds that are selected from cupric chloride, cupric bromide, cupric nitrate, copper sulfate, cupric oxide, Red copper oxide or hydronium(ion) oxidation copper.More preferably, the salt of described copper ion releasing and/or oxide compound are one or more salt or oxide compounds that are selected from cupric nitrate, copper sulfate, cupric oxide or hydronium(ion) oxidation copper.
In a kind of embodiment of the present invention, described complexing agent is one or more complexing agents that are selected from carboxylic-acid and/or nitrogenous class organic compound.Preferably, described nitrogenous class organic compound is that one or more are selected from the organic compound that hydrogen is replaced by amino on the hydrocarbon carbochain.Especially, described nitrogenous class organic compound is one or more compounds that are selected from trolamine, ethylenediamine tetraacetic acid (EDTA), tetrasodium ethylenediamine tetraacetate, citric acid or Seignette salt.Preferably, described nitrogenous class organic compound is one or more compounds that are selected from tetrasodium ethylenediamine tetraacetate, citric acid or Seignette salt.
Described carboxylic-acid organic compound is one or more organic compound that are selected from carboxylic acid and/or substituted carboxylic acid.Preferably, described carboxylic-acid organic compound is that one or more are selected from acetate, Mono Chloro Acetic Acid, propionic acid, bromo-propionic acid, butyric acid, 1-chloro-butyric acid, isopropylformic acid, valeric acid, caproic acid or sad carboxylic acid.More preferably described carboxylic-acid organic compound is that one or more are selected from acetate, Mono Chloro Acetic Acid, propionic acid, bromo-propionic acid, butyric acid, isopropylformic acid, caproic acid or sad carboxylic acid.
In a kind of embodiment of the present invention, described reductive agent is one or more reductive agents that are selected from inorganic salts and hydro carbons, aldehydes, amine or carbohydrate.Especially, described reductive agent is one or more reductive agents that are selected from hypophosphite, borine, formaldehyde, dimethyamine borane, hydrazine or sugar.Preferably, described reductive agent is one or more reductive agents that are selected from hypophosphite, borine, dimethyamine borane or sugar.
The invention still further relates to a kind of wood surface electroless copper plating method, it is characterized in that this method comprises the steps:
(1) wood surface is handled:
Use earlier flint paper, successively wood surface is polished with fine sandpaper again and wash one's face, then the timber of polishing is put into the ultrasonic wave tank supersound washing 5～20min of distilled water, then drying 10～40min under 30～60 ℃ of temperature;
Preferably, supersound washing 10～20min under the about 100-300W of ultrasonic power, dry 15～35min under 40～55 ℃ of temperature more preferably washs 10-15min under the about 100-300W of ultrasonic power then, then dry 20～35min under 40～50 ℃ of temperature.
Certainly, those skilled in the art can be easy to select its washing and exsiccant temperature and time according to timber kind.
(2) wood surface stabilization treatment:
Through step (1) surface-treated timber, still there is leachable thing its inside, and the size on surface also can change, and this brings influence for surperficial plating.So-called stable liquid is exactly to seal the surface of timber, does not allow the inner leachable thing of timber arrive wood surface, makes the surface size of timber stablize constant chemical liquid again.Through step (1) surface-treated timber, putting into a kind of stable liquid dipping cleans, at 50～80 ℃ of down dry 10～40min of temperature, the 10-30 weight %NaOH solution of putting into 50～80 ℃ of temperature again floods 5～20min then, at last at 50～80 ℃ of down dry 10～40min of temperature.
Similarly, those skilled in the art can select to determine its washing and exsiccant temperature and time according to timber kind.
(3) wood surface sensitization activation treatment:
So-called sensitization makes wood surface give reducing substances exactly, in the electroless plating process, can make the very fast reduction of metal ion in next step technology, forms the catalyzer that promotes electroless copper, thereby plating speed is accelerated.The wood surface activation is an attached catalyst on wood surface, makes in the wood chemistry plating process to have katalysis.To put into ultrasonic wave tank supersound washing 30～120s at normal temperatures through the timber after step (2) stabilization treatment, be immersed in 10～60s in the sensitization activation solution then, again at 50～80 ℃ of down dry 30～120min of temperature.
(4) wood surface electroless copper:
The described copper compound of 5.0～15.0 weight parts, the described complexing agent of 10.0～50.0 weight parts and the described reductive agent of 1.0～7.0 weight parts is soluble in water, and preparing copper compound content is the wood surface electroless copper composition solution of 0.5-1.5 weight %, complexing agent content 1.0-5.0 weight %, reductive agent content 0.1-0.7 weight %; With 0.1-3.0 weight %NaOH solution the pH value of described solution is regulated and remained in 7～14 scopes down at 30～70 ℃ again, then with the resulting timber pickling of step (3) in this plating bath, every 10～30s vibration 1 time, treat to take out behind 10～60min, use distilled water wash, in alcoholic solution, flood final drying again.
Wherein, described stable liquid contains following compositions:
High molecular polymer: 1～6 weight part
Organic solvent: 2～8 weight parts
Preferably, described stable liquid contains following compositions:
High molecular polymer: 2～5 weight parts
Organic solvent: 4～8 weight parts
Especially, described high molecular polymer is one or more high molecular polymers that are selected from alcohols, phenols, ethers or ketone; Described organic solvent is one or more solvents that are selected from alcohols, phenols, ethers or ketone.
Preferably, described high molecular polymer is one or more high molecular polymers that are selected from poly-methyl alcohol, polyoxyethylene glycol, poly-phenol, polyethers or polyketone; Described organic solvent is that one or more are selected from the solvent in methyl alcohol, ethanol, phenol, phenylcarbinol, phenylethyl alcohol, methyl ether, ether or the acetone.
More preferably, described high molecular polymer is one or more high molecular polymers that are selected from polyoxyethylene glycol, polyethers or polyketone; Described organic solvent is that one or more are selected from the solvent in ethanol, phenol, phenylcarbinol, ether or the acetone.
Wherein, described sensitization activation solution contains following compositions:
Heavy metallic salt: 1～5 weight part
Organic solvent: 2～10 weight parts
Preferably, described sensitization activation solution contains following compositions:
Heavy metallic salt: 3～5 weight parts
Organic solvent: 6～10 weight parts
Especially, described heavy metallic salt is one or more salt that are selected from gold and silver, cadmium, platinum, rhodium, palladium or nickel; Described organic solvent is that one or more are selected from the organic solvent in alcohols, phenols, ethers or the ketone.
Preferably, described heavy metallic salt is one or more muriates that are selected from gold and silver, cadmium, platinum, rhodium, palladium or nickel; Described organic solvent is one or more organic solvents that are selected from methyl alcohol, ethanol, phenol, phenylcarbinol, phenylethyl alcohol, methyl ether, ether or acetone.
More preferably, described heavy metallic salt is one or more muriates that are selected from silver, platinum, rhodium, palladium or nickel; Described organic solvent is one or more organic solvents that are selected from ethanol, phenylcarbinol, phenylethyl alcohol, ether or acetone.
Preferably, in step (4),, in alcoholic solution, flood 30～150s again, at 50～80 ℃ of down dry 30～120min of temperature with 50～80 ℃ of distilled water wash 2～10min.
[beneficial effect]
With a kind of wood surface electroless copper technology, make wood surface have the gloss of metallic copper, surface decoration effect strengthens.Wood surface copper coating thickness of the present invention can reach more than the 3.5 μ m, and surface chromatic aberration is minimum to reach 6.561, surface resistivity is minimum reach 0.06 Ω/
, can compare with Copper Foil.
[embodiment]
List non-restrictive example below, further specify the present invention.
Embodiment 1 linden copper coating
(1) wood surface is handled:
With 320 purpose sand paper, the back is carried out the washed ore polishing with 800 order sand paper to the linden surface and is washed one's face earlier.Then timber is placed in the ultrasonic wave tank that power is 100W with supersound washing 10min in 70 ℃ the distilled water back dry 20min under 35 ℃ of conditions.
(2) wood surface stabilization treatment:
Through step (1) surface-treated timber, put into and clean after a kind of stable liquid of being made up of 3 weight part polyoxyethylene glycol and 5 weight part phenylcarbinols is flooded 10min, then at 60 ℃ of following dry 30min of temperature, the 0.1 weight %NaOH solution of putting into 60 ℃ of temperature again floods 10min, at last at 60 ℃ of following dry 30min of temperature.
(3) wood surface sensitization activation treatment:
To put into ultrasonic wave tank supersound washing 60s at normal temperatures through the timber after step (2) stabilization treatment, be immersed in 30s in a kind of sensitization activation solution of forming by 4 weight part gold perchlorides and 8 parts by weight of ethanol then, again at 60 ℃ of temperature dry 60min down.
(4) wood surface electroless copper:
The copper sulfate of selecting for use, ethylenediamine tetraacetic acid (EDTA) and formaldehyde are soluble in water, and preparing copper compound content is the wood surface electroless copper composition solution of 0.8 weight %, complexing agent content 1.5 weight %, reductive agent content 0.2 weight %; Again 45 ℃ down with 25 weight %NaOH solution with the pH value adjusting of described solution and remain on 12, then with the resulting timber pickling of step (3) in this plating bath, every 15s vibration 1 time, treat to take out behind the 15min, with 60 ℃ of distilled water wash 2min, in ethanolic soln, flood 1min again, at last dry 60min under 60 ℃.
The weighting method that adopts people in the art to know is measured and is not plated linden weight and dried linden weight, and measures the surface-area of sample, and it is fast to calculate average plating like this.The plating speed of this embodiment reaches 0.35 μ m/min.
Embodiment 2 elm copper coatings
(1) wood surface is handled:
With 320 purpose sand paper, the back is carried out the washed ore polishing with 800 order sand paper to the elm surface and is washed one's face earlier.Then timber is placed in the ultrasonic wave tank that power is 150W with supersound washing 10min in 70 ℃ the distilled water back dry 20min under 35 ℃ of conditions.
(2) wood surface stabilization treatment:
Through step (1) surface-treated timber, put into and clean after a kind of stable liquid of being made up of 4 weight part polyethers and 8 weight part acetone is flooded 10min, then at 60 ℃ of following dry 30min of temperature, the 0.5 weight %NaOH solution of putting into 60 ℃ of temperature again floods 10min, at last at 60 ℃ of following dry 30min of temperature.
(3) wood surface sensitization activation treatment:
To put into ultrasonic wave tank supersound washing 60s at normal temperatures through the timber after step (2) stabilization treatment, be immersed in 30s in a kind of sensitization activation solution of forming by 4 weight part nickelous chlorides and 8 weight part acetone then, again at 60 ℃ of temperature dry 60min down.
(4) wood surface electroless copper:
The cupric nitrate of selecting for use, citric acid and hydrazine are soluble in water, and preparing copper compound content is the wood surface electroless copper composition solution of 0.8 weight %, complexing agent content 1.2 weight %, reductive agent content 0.4 weight %; Again 45 ℃ down with 20 weight %NaOH solution with the pH value adjusting of described solution and remain on 13, then with the resulting timber pickling of step (3) in this plating bath, every 15s vibration 1 time, treat to take out behind the 15min, with 60 ℃ of distilled water wash 2min, in ethanolic soln, flood 1min again, at last dry 60min under 60 ℃.
Adopt the color difference analysis instrument to detect own copper facing elm sample, the result shows that its aberration has only 6.561.
Embodiment 3 Chinese catalpa wood surface copper facing
(1) wood surface is handled:
With 320 purpose sand paper, the back is carried out the washed ore polishing with 800 order sand paper to the Chinese catalpa wood surface and is washed one's face earlier.Then timber is placed in the ultrasonic wave tank that power is 150W with supersound washing 20min in 65 ℃ the distilled water back dry 30min under 35 ℃ of conditions.
(2) wood surface stabilization treatment:
Through step (1) surface-treated timber, put into and clean after a kind of stable liquid of being made up of 5 weight part polyketone and 6 parts by weight of ethanol is flooded 15min, then at 55 ℃ of following dry 35min of temperature, the 0.8 weight %NaOH solution of putting into 60 ℃ of temperature again floods 12min, at last at 60 ℃ of following dry 30min of temperature.
(3) wood surface sensitization activation treatment:
To put into ultrasonic wave tank supersound washing 60s at normal temperatures through the timber after step (2) stabilization treatment, be immersed in 35s in a kind of sensitization activation solution of forming by 3 weight part tri-chlorination palladiums and 8 weight part phenylethyl alcohols then, again at 60 ℃ of temperature dry 60min down.
(4) wood surface electroless copper:
The cupric oxide of selecting for use, Seignette salt and sugar are soluble in water, and preparing copper compound content is the wood surface electroless copper composition solution of 1.2 weight %, complexing agent content 3.2 weight %, reductive agent content 0.6 weight %; Again 45 ℃ down with 25 weight %NaOH solution with the pH value adjusting of described solution and remain on 12, then with the resulting timber pickling of step (3) in this plating bath, every 15s vibration 1 time, treat to take out behind the 15min, with 60 ℃ of distilled water wash 2min, in ethanolic soln, flood 1min again, at last dry 60min under 60 ℃.
Employing face resistance determinator is measured own copper facing Chinese catalpa wood sample, and the result shows that its resistivity only is 0.06 Ω/, can compare with Copper Foil.
Claims (7)
1, a kind of composition that is used for the wood surface electroless copper is characterized in that said composition is made up of following compositions:
Copper compound: 8.0～12.0 weight parts
Complexing agent: 20.0～30.0 weight parts
Reductive agent: 2.22～3.7 weight parts; Described copper compound is selected from the salt and/or the oxide compound of copper ion releasing; Described complexing agent is one or more complexing agents that are selected from carboxylic-acid and/or nitrogenous class organic compound; Described reductive agent is one or more reductive agents that are selected from inorganic salts and hydro carbons, aldehydes, amine or carbohydrate.
2, composition according to claim 1 is characterized in that the salt of described copper ion releasing and/or oxide compound are one or more salt or oxide compounds that are selected from cupric chloride, cupric bromide, cupric nitrate, copper sulfate, cupric oxide, Red copper oxide or hydronium(ion) oxidation copper; Described nitrogenous class organic compound is one or more compounds that are selected from trolamine, ethylenediamine tetraacetic acid (EDTA), tetrasodium ethylenediamine tetraacetate, citric acid or Seignette salt; Described carboxylic-acid organic compound is that one or more are selected from acetate, Mono Chloro Acetic Acid, propionic acid, bromo-propionic acid, butyric acid, 1-chloro-butyric acid, isopropylformic acid, valeric acid, caproic acid or sad carboxylic acid; Described reductive agent is one or more reductive agents that are selected from hypophosphite, borine, formaldehyde, dimethyamine borane, hydrazine or sugar.
3, a kind of wood surface electroless copper plating method is characterized in that this method comprises the steps:
(1) wood surface is handled:
Wood surface is polished and wash one's face with sand paper, then the timber of polishing is put into the ultrasonic wave tank supersound washing 5～20min of distilled water, then dry 10～40min under 30～60 ℃ of temperature;
(2) wood surface stabilization treatment:
Through step (1) surface-treated timber, putting into a kind of stable liquid dipping cleans, at 50～80 ℃ of down dry 10～40min of temperature, the 10-30 weight %NaOH solution of putting into 50～80 ℃ of temperature again floods 5～20min then, at last at 50～80 ℃ of down dry 10～40min of temperature;
(3) wood surface sensitization activation treatment:
To put into ultrasonic wave tank supersound washing 30～120s at normal temperatures through the timber after step (2) stabilization treatment, be immersed in 10～60s in the sensitization activation solution then, again at 50～80 ℃ of down dry 30～120min of temperature.
(4) wood surface electroless copper:
The described copper compound of 5.0～15.0 weight parts, the described complexing agent of 10.0～50.0 weight parts and the described reductive agent of 1.0～7.0 weight parts is soluble in water, and preparing copper compound content is the wood surface electroless copper composition solution of 0.5-1.5 weight %, complexing agent content 1.0-5.0 weight %, reductive agent content 0.1-0.7 weight %; With 0.1-3.0 weight %NaOH solution the pH value of described solution is regulated and remained in 7～14 scopes down at 30～70 ℃ again, then with the resulting timber pickling of step (3) in this plating bath, every 10～30s vibration 1 time, treat to take out behind 10～60min, use distilled water wash, in alcoholic solution, flood final drying again.
4, method according to claim 3 is characterized in that described stable liquid contains following compositions:
High molecular polymer: 1～6 weight part
Organic solvent: 2～8 weight parts; Described high molecular polymer is one or more high molecular polymers that are selected from poly-methyl alcohol, polyoxyethylene glycol, poly-phenol, polyethers or polyketone; Described organic solvent is that one or more are selected from the solvent in methyl alcohol, ethanol, phenol, phenylcarbinol, phenylethyl alcohol, methyl ether, ether or the acetone.
5, method according to claim 3 is characterized in that described sensitization activation solution contains following compositions:
Heavy metallic salt: 1～5 weight part
Organic solvent: 2～10 weight parts; Described organic solvent is one or more organic solvents that are selected from methyl alcohol, ethanol, phenol, phenylcarbinol, phenylethyl alcohol, methyl ether, ether or acetone.
6, method according to claim 5 is characterized in that described heavy metallic salt is one or more muriates that are selected from gold and silver, cadmium, platinum, rhodium, palladium or nickel.
7, method according to claim 3 is characterized in that in step (4), with 50～80 ℃ of distilled water wash 2～10min, floods 30～150s again in alcoholic solution, at 50～80 ℃ of down dry 30～120min of temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005101262093A CN100451168C (en) | 2005-11-25 | 2005-11-25 | Composition for chemical Cu plating onto timber surface and the chemical Cu plating process |
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| CNB2005101262093A CN100451168C (en) | 2005-11-25 | 2005-11-25 | Composition for chemical Cu plating onto timber surface and the chemical Cu plating process |
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| CN100451168C true CN100451168C (en) | 2009-01-14 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101148757B (en) * | 2007-10-15 | 2011-04-27 | 北京林业大学 | Composition of surface chemistry plating liquid and preparation method for wooden electromagnetic screen material |
| DE102010012204B4 (en) | 2010-03-19 | 2019-01-24 | MacDermid Enthone Inc. (n.d.Ges.d. Staates Delaware) | Improved process for direct metallization of non-conductive substrates |
| CN101831645B (en) * | 2010-05-28 | 2012-10-17 | 河海大学常州校区 | Cemented carbide steelwork surface electroless copper plating method |
| CN102896672B (en) * | 2012-10-15 | 2015-09-23 | 安徽农业大学 | Metal-modified Wood composite material and preparation method thereof |
| CN108145817B (en) * | 2017-12-26 | 2019-06-18 | 广东省林业科学研究院 | A kind of preparation method and applications of mould proof heat-treated wood |
| CN109333718A (en) * | 2018-10-19 | 2019-02-15 | 南京林业大学 | A kind of bamboo wood mildew-proof treatment method |
| CN110253703B (en) * | 2019-05-07 | 2020-12-29 | 杭州电子科技大学 | Preparation method of high-strength antibacterial wood and high-strength antibacterial wood |
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|---|---|---|---|---|
| CN87102861A (en) * | 1986-04-25 | 1987-12-09 | 矿山安全设备公司 | Electroless copper and plating bath thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102861A (en) * | 1986-04-25 | 1987-12-09 | 矿山安全设备公司 | Electroless copper and plating bath thereof |
Non-Patent Citations (2)
| Title |
|---|
| 木材表面化学镀处理技术. 周杲，赵广杰.木材工业，第19卷第3期. 2005 |
| 木材表面化学镀处理技术. 周杲，赵广杰.木材工业，第19卷第3期. 2005 * |
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Assignee: Dongguan Taisheng Furniture Co., Ltd. Assignor: Beijing Forestry University Contract fulfillment period: 2009.7.1 to 2015.6.30 contract change Contract record no.: 2009990001082 Denomination of invention: Composition for chemical Cu plating onto timber surface and the chemical Cu plating process Granted publication date: 20090114 License type: Exclusive license Record date: 2009.9.28 |
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