CS253773B1 - Electrolyte for the cathodic deposition of alloys of cobalt with phosphorus - Google Patents
Electrolyte for the cathodic deposition of alloys of cobalt with phosphorus Download PDFInfo
- Publication number
- CS253773B1 CS253773B1 CS239685A CS239685A CS253773B1 CS 253773 B1 CS253773 B1 CS 253773B1 CS 239685 A CS239685 A CS 239685A CS 239685 A CS239685 A CS 239685A CS 253773 B1 CS253773 B1 CS 253773B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- cobalt
- electrolyte
- water
- phosphorus
- concentration
- Prior art date
Links
- 239000003792 electrolyte Substances 0.000 title claims description 21
- 239000011574 phosphorus Substances 0.000 title claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 title claims description 8
- 230000008021 deposition Effects 0.000 title claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title description 6
- 229910000531 Co alloy Inorganic materials 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 claims description 12
- 239000003945 anionic surfactant Substances 0.000 claims description 7
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 6
- 229910001096 P alloy Inorganic materials 0.000 claims description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 4
- XFKKOXUFYOLJKZ-UHFFFAOYSA-L S(=O)(=O)(O)OC=1C(C(=O)[O-])=CC=CC1.[Co+2].S(=O)(=O)(O)OC=1C(C(=O)[O-])=CC=CC1 Chemical compound S(=O)(=O)(O)OC=1C(C(=O)[O-])=CC=CC1.[Co+2].S(=O)(=O)(O)OC=1C(C(=O)[O-])=CC=CC1 XFKKOXUFYOLJKZ-UHFFFAOYSA-L 0.000 claims description 4
- 150000004820 halides Chemical class 0.000 claims description 4
- SIBIBHIFKSKVRR-UHFFFAOYSA-N phosphanylidynecobalt Chemical group [Co]#P SIBIBHIFKSKVRR-UHFFFAOYSA-N 0.000 claims description 4
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 claims description 4
- -1 phosphorus compound Chemical class 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 claims description 3
- 235000011164 potassium chloride Nutrition 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 239000004254 Ammonium phosphate Substances 0.000 claims 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 claims 1
- 235000019289 ammonium phosphates Nutrition 0.000 claims 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims 1
- 229910000160 potassium phosphate Inorganic materials 0.000 claims 1
- 235000011009 potassium phosphates Nutrition 0.000 claims 1
- 235000015424 sodium Nutrition 0.000 claims 1
- 239000001488 sodium phosphate Substances 0.000 claims 1
- 229910000162 sodium phosphate Inorganic materials 0.000 claims 1
- 238000000576 coating method Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 229910017052 cobalt Inorganic materials 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 4
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 150000001868 cobalt Chemical class 0.000 description 2
- 150000003018 phosphorus compounds Chemical class 0.000 description 2
- 229910001379 sodium hypophosphite Inorganic materials 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- GJYJYFHBOBUTBY-UHFFFAOYSA-N alpha-camphorene Chemical compound CC(C)=CCCC(=C)C1CCC(CCC=C(C)C)=CC1 GJYJYFHBOBUTBY-UHFFFAOYSA-N 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical class O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 150000003017 phosphorus Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910001380 potassium hypophosphite Inorganic materials 0.000 description 1
- CRGPNLUFHHUKCM-UHFFFAOYSA-M potassium phosphinate Chemical compound [K+].[O-]P=O CRGPNLUFHHUKCM-UHFFFAOYSA-M 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
Landscapes
- Electroplating And Plating Baths Therefor (AREA)
- Chemically Coating (AREA)
Description
Vynález se týká elektrolytu pro katodické vylučování slitin kobaltu s fosforem.The invention relates to an electrolyte for the cathodic deposition of cobalt-phosphorus alloys.
Dosud známé a v literatuře uváděné elektrolyty pro katodické vylučování, slitiny kobaltu s fosforem používají jednoduchých anorganických kobaltnatých solí rozpustných ve vodě, například síranů, chloridů, fluoroboritanů a sloučenin fosforu ve formě jednovazné nebo trojvazné, například může jít o fosfornany nebo fosforitany. Tyto elektrolyty pracují při nízkém pH 1 až 2 .Known and reported electrolytes for cathodic deposition, cobalt-phosphorus alloys use simple water-soluble inorganic cobalt salts, for example, sulfates, chlorides, fluoroborates and phosphorus compounds in the form of monovalent or trivalent, for example, hypophosphites or phosphites. These electrolytes operate at a low pH of 1-2.
Nízká hodnota pH je také příčinou nízkého katodového proudového výtěžku, vysokého makropnutí, které způsobuje praskání povlaku zvláště při jeho velkých tlouštkách. Nízký katodový proudový výtěžek způsobuje změnu koncentrace kobaltu v elektrolytu zvláště při dlouhodobém pokovování.The low pH also causes a low cathode current yield, high macro-stress, which causes the coating to crack, especially at high thicknesses. The low cathode current yield causes a change in the cobalt concentration in the electrolyte, especially during long term plating.
Výše uvedené nedostatky odstraňuje elektrolyt pro katodické vylučování slitin kobaltu s fosforem podle vynálezu, jehož podstata spočívá v tom, že elektrolyt sestává z vodného roztoku sulfosalicylanu kobaltnatého v koncentraci 50 až 300 g na 1 000 ml vody, sloučeniny fosforu zvolené ze skupiny obsahující fosfornan sodný, draselný nebo amonný nebo kyselinu fosforitou v koncentraci 1 až 40 g na 1 000 ml vody, dále obsahuje halogenid zvolený ze skupiny obsahující bromid draselný, chlorid draselný a jodid draselný v koncentraci 1 až 50 g na .1. 000 ml vody a anionaktivní smáčedlo v koncentraci 0,01 až 10 g na 1 000 ml vody.The above drawbacks overcome the electrolyte for cathodic deposition of cobalt-phosphorus alloys according to the invention, which consists in that the electrolyte consists of an aqueous solution of cobalt sulphosalicylate at a concentration of 50 to 300 g per 1000 ml of water, a phosphorus compound selected from sodium hypophosphite, potassium or ammonium or phosphorous acid at a concentration of 1 to 40 g per 1 000 ml of water, further comprising a halide selected from the group consisting of potassium bromide, potassium chloride and potassium iodide at a concentration of 1 to 50 g per. 000 ml of water and anionic surfactant at a concentration of 0.01 to 10 g per 1000 ml of water.
Halogenidy v roztoku slouží pro zlepšení rozpustnosti kobaltových elektrod. Je vhodné použit ve vodě rozpustné halogenidy ve formě sodných, draselných nebo kobaltnatých solí, například již zmíněné draselné soli nebo chlorid sodný, popřípadě chlorid kobaltnatý v koncentraci 1 až 50 g v 1 000 ml vody.Halides in solution serve to improve the solubility of cobalt electrodes. It is suitable to use water-soluble halides in the form of sodium, potassium or cobalt salts, for example the aforementioned potassium salts or sodium chloride or cobalt chloride in a concentration of 1 to 50 g in 1000 ml of water.
Anionaktivní smáčedlo slouží v elektrolytu k odstranění vodíkového pittingu. Zvláště výhodné je použít alkylsulfonany nebo sulfonované estery kyseliny j.antarové v koncentraci i),0i až 10 g na 1 000 ml vody.Anionic surfactant is used in the electrolyte to remove hydrogen pitting. It is particularly preferred to use alkyl sulfonates or sulfonated esters of succinic acid at a concentration of i), from 10 to 10 g per 1000 ml of water.
Fosfor se do elektrolytu přidává ve formě rozpustného fosfornanu nebo kyseliny fosforité. Koncentrace solí fosforu se pohybuje v rozmezí 1 až 40 g na 1 000 ml elektrolytu. Koncentrace sloučenin fosforu v elektrolytu je závislá na požadovaném obsahu fosforu v povlaku.Phosphorus is added to the electrolyte in the form of soluble hypophosphite or phosphorous acid. The concentration of phosphorus salts ranges from 1 to 40 g per 1000 ml of electrolyte. The concentration of phosphorus compounds in the electrolyte is dependent on the desired phosphorus content of the coating.
Nový a vyšší účinek vynálezu spočívá ve srovnání se známými elektrolyty ve zvýšení katodového proudového výtěžku, snížení makropnutí a zvýšení stability koncentrace kobaltu v elektrolytu.The novel and higher effect of the invention, compared to known electrolytes, is to increase the cathode current yield, reduce the macropress, and increase the stability of the cobalt concentration in the electrolyte.
Elektrolytická lázeň pro vylučování slitiny kobalt-fosfor pracuje při vyšším pH 2,5 až 4. Katodový proudový výtěžek se pohybuje v rozmezí 85 až 90 %, obsah fosforu v povlaku se pohybuje v rozmezí 1 až 10 % hmotnostních v závislosti na obsahu fosforu v elektrolytu. Vyloučené povlaky jsou lesklé, hladké a pružné.The cobalt-phosphorous electrolysis bath operates at a higher pH of 2.5 to 4. The cathode current yield is between 85 and 90%, the phosphorus content of the coating is between 1 and 10% by weight, depending on the phosphorus content of the electrolyte . The deposited coatings are glossy, smooth and elastic.
Vynález bude osvětlen následujícími příklady.The invention will be illustrated by the following examples.
PřikladlHe did
Elektrolyt má následující složení:The electrolyte has the following composition:
000 ml voda000 ml water
250 g sulfosalicylen kobaltnatý 5 g bromid draselný g fosfornan sodný 0,01 g anionaktivní smáčedlo250 g cobalt sulphosalicylene 5 g potassium bromide g sodium hypophosphite 0,01 g anionic surfactant
Příklad 2Example 2
Elektrolyt má následující složení:The electrolyte has the following composition:
000 ml voda000 ml water
250 g sulfosalicylen kobaltnatý 5 g chlorid draselný g kyselina fosforitů250 g cobalt sulphosalicylene 5 g potassium chloride g phosphorous acid
0,05 g anionaktivní smáčedlo0.05 g anionic surfactant
Příklad 3Example 3
Elektrolyt má následující složení:The electrolyte has the following composition:
000 ml voda000 ml water
250 g sulfosalicylan kobaltnatý 5 g jodid draselný g fosfornan draselný 10 g anionaktivní smáčedlo250 g cobalt sulphosalicylate 5 g potassium iodide g potassium hypophosphite 10 g anionic surfactant
Přiklad 4Example 4
Elektrolyt má následující složení:The electrolyte has the following composition:
000 ml voda000 ml water
250 g sulfosalicylan kobaltnatý 5 g jodid draselný ·, g fosfornan amonný 5 g anionaktivní smáčedlo250 g cobalt sulphosalicylate 5 g potassium iodide · g g ammonium hypophosphite 5 g anionic surfactant
Elektrolytická lázeň pracuje ve všech příkladech při pH kolem hodnoty 2,8 a teplotě 50 °C, elektrolyt se mechanicky míchá. Katodová proudová hustota je 2 až 5 A/din , obsah fosforu v povlaku je 6 % hmotnostních, mlkrotvrdost slitinového povlaku je 800 HVm.The electrolyte bath operates in all examples at a pH around 2.8 and a temperature of 50 ° C, the electrolyte being mechanically stirred. The cathode current density is 2 to 5 A / din, the phosphorus content of the coating is 6% by weight, the hardness of the alloy coating is 800 HVm.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS239685A CS253773B1 (en) | 1985-04-01 | 1985-04-01 | Electrolyte for the cathodic deposition of alloys of cobalt with phosphorus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS239685A CS253773B1 (en) | 1985-04-01 | 1985-04-01 | Electrolyte for the cathodic deposition of alloys of cobalt with phosphorus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS253773B1 true CS253773B1 (en) | 1987-12-17 |
Family
ID=5360987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS239685A CS253773B1 (en) | 1985-04-01 | 1985-04-01 | Electrolyte for the cathodic deposition of alloys of cobalt with phosphorus |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS253773B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD4331C1 (en) * | 2014-07-02 | 2015-09-30 | Институт Прикладной Физики Академии Наук Молдовы | Process for preparing an aqueous gluconate electrolyte for deposition of nanocrystalline Co-W coatings |
-
1985
- 1985-04-01 CS CS239685A patent/CS253773B1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD4331C1 (en) * | 2014-07-02 | 2015-09-30 | Институт Прикладной Физики Академии Наук Молдовы | Process for preparing an aqueous gluconate electrolyte for deposition of nanocrystalline Co-W coatings |
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