JP2015212417A5

JP2015212417A5 -

Info

Publication number: JP2015212417A5
Application number: JP2015090607A
Authority: JP
Filing date: 2015-04-27
Publication date: 2018-03-01
Anticipated expiration: 2035-04-27

Claims

Electrolytic bath for the deposition of bright nickel layer, or a mixture for use in an electrolytic bath for the deposition of bright nickel layer, wherein the mixture is an aqueous solution, or the electrolytic bath is an aqueous solution,
(C) benzoic acid sulfimide and / or benzoic acid sulfimide anion and (h) one selected from the group consisting of chloral hydrate, bromal hydrate, formic acid, formate, acetic acid, acetate, substituted or unsubstituted aliphatic aldehyde Including two, more than two or all compounds,
Wherein either electrolytic bath additionally comprises the following ingredients, or the mixture additionally comprises the following components, the electrolytic bath or mixtures:
(A) nickel ions,
(B) one or more acids,
(E) Formula (I)

(I)
(Where
R ¹ represents C ₁ -C ₄ -alkyl or hydrogen or C ₁ -C ₄ -alkyl substituted by hydroxy, amino, C ₁ -C ₄ -alkylamino or di (C ₁ -C ₄ -alkyl) amino. Means
R ² is hydroxy, amino, C ₁ -C ₄ - refers to an alkyl) - alkylamino or di (C ₁ -C ₄ - alkyl) C ₁ -C ₄ substituted by amino
One or more acetylenically unsaturated compounds of
(F) Formula (II)

(II)
(In the formula, each independently,
Nitrogen atom is part of an aromatic ring system pyridine, Ru is selected from the group consisting of quinoline and isoquinoline,
m means an integer in the range of 1-24,
Each R ³ independently represents a branched or unbranched alkyl group having 1 to 20 carbon atoms or hydrogen or hydroxy)
One or more betaines of
(G) one or more wetting agents.

The electrolytic bath or mixture according to claim 1, wherein the electrolytic bath comprises the following components or the mixture comprises one, more than one or all of the following components in an aqueous solution:
(B) one or more inorganic acids selected from the group consisting of sulfuric acid, boric acid and hydrochloric acid and / or one or more organics selected from the group consisting of malic acid, citric acid, lactic acid and amidosulfonic acid An acid and / or (g) one or more wetting agents, wherein one or more or all of the one wetting agent or the plurality of wetting agents are:
(I) fatty alcohol ether sulfates and / or
Then acid formed by protonation,
(Ii) fatty alcohol sulfate and / or
Then acid formed by protonation,
(Iii) a mixture comprising or consisting of a fatty alcohol ether sulfate and a fatty alcohol sulfate,
(Iv) a mixture comprising or consisting of fatty alcohol ether sulfate acid and fatty alcohol sulfate acid;
(V) a mixture comprising or consisting of fatty alcohol ether sulfate and fatty alcohol sulfate acid,
And (vi) selected from the group consisting of a mixture comprising or consisting of an acid of a fatty alcohol ether sulfate and a fatty alcohol sulfate,
One selected wetting agent carries a branched or unbranched alkyl group as a carbon chain, or a plurality of selected wetting agents as a carbon chain, each independently, branched or A wetting agent bearing an unbranched alkyl group.

The electrolytic bath or mixture according to claim 1 or 2, wherein the electrolytic bath comprises the following components or the mixture comprises one, more than one or all of the following components in an aqueous solution:
(A) a total amount of 1.12 to 1.67 mol / L nickel ions, and / or (b) a total amount of 0.485 to 0.97 mol / L,
One or more inorganic acids selected from the group consisting of sulfuric acid, boric acid and hydrochloric acid, and / or one or more organic acids selected from the group consisting of malic acid, citric acid, lactic acid and amidosulfonic acid, And / or (c) a total amount of 0.0055 to 0.0274 mol / L of benzoic acid sulfimide and benzoic acid sulfimide anion, and / or (d) a total amount of 0.006 to 0.025 mol / L of allyl sulfonic acid and allyl sulfo And (e) a total amount of 0.00036 to 0.1438 mol / L of formula (I)

(I)
(Where
R ¹ represents C ₁ -C ₄ -alkyl or hydrogen or C ₁ -C ₄ -alkyl substituted by hydroxy, amino, C ₁ -C ₄ -alkylamino or di (C ₁ -C ₄ -alkyl) amino. Means
R ² is hydroxy, amino, C ₁ -C ₄ - refers to an alkyl) - alkylamino or di (C ₁ -C ₄ - alkyl) C ₁ -C ₄ substituted by amino
One or more acetylenically unsaturated compounds and / or (f) a total amount of 0.00025-0.0025 mol / L of formula (II)

(II)
(In the formula, each independently,
Nitrogen atom is part of an aromatic ring system pyridine, Ru is selected from the group consisting of quinoline and isoquinoline,
m means an integer in the range of 1-24,
Each R ³ independently represents a branched or unbranched alkyl group having 1 to 20 carbon atoms or hydrogen or hydroxy)
One or more betaines and / or (g) one or more wetting agents in a total amount of 0.0006 to 0.025 mol / L , one wetting agent or one wetting agent Or some or all
(I) fatty alcohol ether sulfates and / or
Then acid formed by protonation,
(Ii) fatty alcohol sulfate and / or
Then acid formed by protonation,
(Iii) a mixture comprising or consisting of a fatty alcohol ether sulfate and a fatty alcohol sulfate,
(Iv) a mixture comprising or consisting of fatty alcohol ether sulfate acid and fatty alcohol sulfate acid;
(V) a mixture comprising or consisting of fatty alcohol ether sulfate and fatty alcohol sulfate acid,
And (vi) an acid and fatty alcohol sulfates of fatty alcohol ether sulfates, or a wetting agent that will be selected from the group consisting of a mixture consisting,
The fatty alcohol ether sulfate has the formula (III)

(III)
(In the formula, each independently,
n represents an integer within the range of 1 to 24;
R ⁴ represents a branched or unbranched alkyl group having 1 to 20 carbon atoms, and X is selected from the group consisting of Li, Na, K, Rb, Cs and NH ₄ )
Fatty alcohol ether sulfates and / or
Then it is selected from the group consisting of generating acids by protonation,
And / or the fatty alcohol sulfate is of the formula (IV)

(IV)
(In the formula, each independently,
n represents an integer within the range of 1 to 24;
R ⁴ represents a branched or unbranched alkyl group having 1 to 20 carbon atoms, and X is selected from the group consisting of Li, Na, K, Rb, Cs and NH ₄ ) Alcohol sulfate and / or
Then selected from the group consisting of generating acids by protonation, of the wetting agent, and / or (h) the total amount 0.003～0.018Mol / L,
One, two, more than two or all compounds selected from the group consisting of chloral hydrate, bromaric hydrate, formate, formate, acetic acid, acetate, substituted or unsubstituted aliphatic aldehydes and / or ( i) Formula (V) with a total amount of 0-0.0025 mol / L

(V)
(Where

Means a double or triple bond in the cis or trans configuration;
R ⁵ means C ₁ -C ₄ -alkyl or hydrogen or CH ₂ OR ⁶ substituted by hydroxy, and R ⁶ is C ₁ -C ₄ -alkyl or hydrogen or sulfonic acid group substituted by hydroxy Or its salt,
R ⁵ and R ⁶ do not mean hydrogen at the same time, and the broken line means a single bond)
One or more compounds of

In addition,
F ⁻ , Cl ⁻ , Br ⁻ , I ⁻ , SO ₄ ²⁻ , OH ⁻ and ClO ₄ ⁻
Containing one, two, more than two or all anions selected from the group consisting of and / or additionally,
Li ⁺ , Na ⁺ , K ⁺ , Rb ⁺ , Cs ⁺ , Mg ²⁺ , Ca ²⁺ and Sr ²⁺
4. The electrolytic bath or mixture according to claim 1, comprising one, two, more or all cations selected from the group consisting of:

Electrolytic bath or mixture according to one of claims 1 to 4, which is a single-phase solution.

6. Electrolytic bath or mixture according to one of claims 1 to 5, having a pH value in the range of 2.8 to 5.2, preferably 3.8 to 4.8.

A method for producing an article having a bright nickel layer by depositing nickel on a corresponding workpiece, comprising the following steps:
(A) preparing and / or producing an electrolytic bath or mixture according to one of claims 1 to 6;
(B) producing a bright nickel layer by electrodepositing nickel onto the work piece from a prepared or produced electrolytic bath or mixture.

The method according to claim 7, wherein the temperature of the electrolytic bath or the mixture of step (b) is in the range of 40-70 ° C.

9. A method according to claim 7 or 8, wherein in step (b) a bright nickel layer is deposited on the copper, brass or zinc surface of the workpiece.

The method according to one of claims 7 to 9, wherein the article is a component of a conduit or a component of a component for a conduit.

11. A method according to claim 7, wherein in step (b), a deposition on the surface of the workpiece is performed, the surface being part of the semi-bright nickel layer of the workpiece.

The following additional steps:
12. A method according to claim 7, comprising (c) depositing a further metal layer on the bright nickel layer, preferably electrodepositing, preferably electrodepositing a chromium layer on the bright nickel layer. The method according to item.

Use of an electrolytic bath or mixture according to one of claims 1 to 6 for the deposition or production of a bright nickel layer.

14. Use according to claim 13, for the deposition or production of a bright nickel layer on a component of a component for a conduit.

A bright nickel layer
Depositing nickel on the corresponding workpiece using the electrolytic bath or mixture according to one of claims 1 to 6;
Or an article comprising a bright nickel layer, preferably a component of a conduit or a component of a conduit for a conduit, which can be produced using the method according to one of claims 7-12.