Cyanide-free plating solutions
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metal salt, an electroless reducing agent, a complexing agent, an electroless plating stabilizer, and a particulate matter stabi- lizer, said particulate matter stabilizer com- prising an admixture of a nonionic com- pound along with a member selected from the group of an anionic compound, a cationic compound, and an amphoteric compound and mixtures thereof. Electroless Plating of Aramid Surfaces U.S. Patent 5,302,415. Apr. 12, 1994 V Gabara ef al, assignors to E.I.DoPoti de Nemoufs and Co., Wmington, De/. In a process for electrolessly plating aramid fibers with a durable metal coating comprising the steps of contacting the fibers to be plated with an activation solution, rinsing the fibers, and immersing the fibers in a solution of metal cations to be plated, the improvement comprising contacting with an aqueous solution con- sisting of 80-90% sulfuric acid for 2-60 set at a temperature in the range from lO- 1OOT; and washing the acid-contacted fibers with water until substantially all of the acid is removed before contacting with the sensitizing solution. Immersion Tln-Lead Plating Bath U.S. Patent 5,302,256. Apr. 12, 1994 T Miura et al., assignors to LeaRonal Japan Inc., Tokyo An immersion tin-lead alloy plating bath having a basic composition comprising at least one organic sulfonic acid selected from the group consisting of an alkane sulfonic acid, an alkanol sulfonic acid, and an aromatic sulfonic acid, divalent tin and lead salts of the organic sulfonic acid or acids, and thiourea as a chelating agent and further containing at least one of thiocyanic acid, and derivative thereof as an additive. Cyanide-Free Plating Solutions U.S. Patent 5,302,276. Apr. 12, 1994 F.I. Nobel et al, assignors to LeaRonalInc., Freeport, N.Y A solution for use in electroplating, which comprises at least one monovalent metal of copper, silver, gold or combina- tions thereof in an amount of between OS-100 g/L complexed by a thiosulfate ion and wherein the thiosulfate ion and metal ion or ions are present in a molar ratio of 1:1 to 3: 1 and a stabilizer of an organic ’ w +f?+iii&MAURER-SHUMAKER DIVISION OF NOVAMAXTECHNOLOGIES(U.S.)INC. 37Op5 tndustrial Road,bonla, Michigan 48150 .313-591-0800 * WORLD WIDE DlSTRlBUTlON * NEW “ULTRA ZINC” PROCESS * ULTRAMATE For GM6035M * FAX --- (313) 591-0867 ULTRAPHOS@ 1 POPNickel Free Zinc Phosphate Zinc, Iron, Manganese Phosphates for Iron & Steel ULTRAMATE@ OILS Emulsion & SolventType MAKERCLEAN@ CLEANERS lmmenion or Spray for Iron, Steel & Aluminum ALTRASEAL=’ORGANICS Water based dlp - spin 81 spray coating sulfinate compound in an amount of at least about 2-15 g/L to stabilize the thiosulfate ion when the solution is operated at an acidic pH between 4 and 6. Plural-Component External-Mix Spray Gun U.S. Patent 5,303,865. Apr. 19, 1994 J. Sert, assignor to Bnks Manufadwing Co., Franklin Pa&, 111. A plural-component spraying device comprising a fluid tip having an orifice; means for pressure delivery of a first liquid to the fluid tip; an injector nozzle having an orifice; and means for delivering a second liquid to the injector nozzle. Zinc-Nickel-Phosphorus Electroless Coatlng U.S. F’atent5,304,403. Apr. 19, 1994 M. Schlesinger and D.D. Snyder, assignors to General Motors Corp., Defroif A method for electrolessly depositing a sacrificial, corrosion-protective zinc-based alloy coating onto a clean or chemically etched metal substrate, by forming a depo- sition solution comprising a zinc salt and a nickel salt each in an amount sufficient to OPTIMIZE YOUR PLATING ?? Production Efficiency ?? Quality Assurance up “I LX1 l.hS fa ?? Worker Safety Automated handling syateme for all plating and cleaning applications. Models for payloads from 5-699 Iba. with random loading. From Class 10 to heavy industrial productton, Adroit Automation otters a lull line ot leatures to meet your roqulnmente. Options Include: flexible Vo, multlple heads, barrel rotatlonS, PC interface, addltlonal exes end cuetom fbduea. Please cellto discuss your appllcatlon 460 East 76th Avenue, Building 6 Denver, Colorado 60229 l-800-288-8868 Phone (303) 288-8866 Fax: (303) 286-8887 Circle 040 on reader information card Circle 003 on reader information card 84 METAL FINISHING . MARCH 1995
Transcript of Cyanide-free plating solutions
metal salt, an electroless reducing agent, a complexing agent, an electroless plating stabilizer, and a particulate matter stabi- lizer, said particulate matter stabilizer com- prising an admixture of a nonionic com- pound along with a member selected from the group of an anionic compound, a cationic compound, and an amphoteric compound and mixtures thereof.
Electroless Plating of Aramid Surfaces U.S. Patent 5,302,415. Apr. 12, 1994 V Gabara ef al, assignors to E.I. Do Poti de Nemoufs and Co., Wmington, De/.
In a process for electrolessly plating aramid fibers with a durable metal coating comprising the steps of contacting the fibers to be plated with an activation solution, rinsing the fibers, and immersing the fibers in a solution of metal cations to be plated, the improvement comprising contacting with an aqueous solution con- sisting of 80-90% sulfuric acid for 2-60 set at a temperature in the range from lO- 1OOT; and washing the acid-contacted fibers with water until substantially all of the acid is removed before contacting with the sensitizing solution.
Immersion Tln-Lead Plating Bath U.S. Patent 5,302,256. Apr. 12, 1994 T Miura et al., assignors to LeaRonal Japan Inc., Tokyo
An immersion tin-lead alloy plating bath having a basic composition comprising at least one organic sulfonic acid selected from the group consisting of an alkane sulfonic acid, an alkanol sulfonic acid, and an aromatic sulfonic acid, divalent tin and lead salts of the organic sulfonic acid or acids, and thiourea as a chelating agent and further containing at least one of thiocyanic acid, and derivative thereof as an additive.
Cyanide-Free Plating Solutions U.S. Patent 5,302,276. Apr. 12, 1994 F.I. Nobel et al, assignors to LeaRonal Inc., Freeport, N.Y
A solution for use in electroplating, which comprises at least one monovalent metal of copper, silver, gold or combina- tions thereof in an amount of between OS-100 g/L complexed by a thiosulfate ion and wherein the thiosulfate ion and metal ion or ions are present in a molar ratio of 1: 1 to 3: 1 and a stabilizer of an organic
’ w +f?+iii&MAURER-SHUMAKER
DIVISION OF NOVAMAXTECHNOLOGIES(U.S.)INC. 37Op5 tndustrial Road, bonla, Michigan 48150 .313-591-0800
* WORLD WIDE DlSTRlBUTlON * NEW “ULTRA ZINC” PROCESS * ULTRAMATE For GM6035M * FAX --- (313) 591-0867
ULTRAPHOS@ 1 POP Nickel Free Zinc Phosphate Zinc, Iron, Manganese Phosphates for Iron & Steel
ULTRAMATE@ OILS Emulsion & Solvent Type
MAKERCLEAN@ CLEANERS lmmenion or Spray for Iron, Steel & Aluminum
ALTRASEAL=’ ORGANICS Water based dlp - spin 81 spray coating
sulfinate compound in an amount of at least about 2-15 g/L to stabilize the thiosulfate ion when the solution is operated at an acidic pH between 4 and 6.
Plural-Component External-Mix Spray Gun U.S. Patent 5,303,865. Apr. 19, 1994 J. Sert, assignor to Bnks Manufadwing Co., Franklin Pa&, 111.
A plural-component spraying device comprising a fluid tip having an orifice; means for pressure delivery of a first liquid to the fluid tip; an injector nozzle having an orifice; and means for delivering a second liquid to the injector nozzle.
Zinc-Nickel-Phosphorus Electroless Coatlng U.S. F’atent5,304,403. Apr. 19, 1994 M. Schlesinger and D.D. Snyder, assignors to General Motors Corp., Defroif
A method for electrolessly depositing a sacrificial, corrosion-protective zinc-based alloy coating onto a clean or chemically etched metal substrate, by forming a depo- sition solution comprising a zinc salt and a nickel salt each in an amount sufficient to
OPTIMIZE YOUR PLATING
?? Production Efficiency
?? Quality Assurance up “I LX1 l.hS
fa ?? Worker Safety
Automated handling syateme for all plating and cleaning applications. Models for payloads from 5-699 Iba. with random loading.
From Class 10 to heavy industrial productton, Adroit Automation otters a lull line ot leatures to meet your roqulnmente. Options Include: flexible Vo, multlple heads, barrel rotatlonS, PC interface, addltlonal exes end cuetom fbduea.
Please cell to discuss your appllcatlon
460 East 76th Avenue, Building 6
Denver, Colorado 60229 l-800-288-8868 Phone (303) 288-8866 Fax: (303) 286-8887
Circle 040 on reader information card Circle 003 on reader information card
84 METAL FINISHING . MARCH 1995
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