CN104264134A - Formula of acid-based colloidal palladium activation solution - Google Patents
Formula of acid-based colloidal palladium activation solution Download PDFInfo
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- CN104264134A CN104264134A CN201410480905.3A CN201410480905A CN104264134A CN 104264134 A CN104264134 A CN 104264134A CN 201410480905 A CN201410480905 A CN 201410480905A CN 104264134 A CN104264134 A CN 104264134A
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- formula
- acid
- activation solution
- solution
- liquid
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Classifications
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- 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
- C23C18/18—Pretreatment of the material to be coated
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/28—Sensitising or activating
- C23C18/30—Activating or accelerating or sensitising with palladium or other noble metal
Abstract
The invention discloses a formula of an acid-based colloidal palladium activation solution. The formula of the acid-based colloidal palladium activation solution comprises the following components in weight mixture ratios: a solution A containing 1g/L of palladium oxide, 165ml/L of oxalic acid, 2.68g/L of ferrous chloride and 200mL/L of deionized water; a solution B containing 75g/L of ferrous chloride, 8.5g/L of sodium ferrate and 110mL/L of oxalic acid. The invention provides the formula of the acid-based colloidal palladium activation solution, which has the advantages of strong activation performance and environmental friendliness.
Description
Technical field
The present invention relates to the formula of the activation solution in a kind of chemical-copper-plating process.
Background technology
In chemical-copper-plating process, activation solution forms the colloidal solid containing palladium metal in the solution, physisorption is utilized when activation treatment, palladium active center is formed at matrix surface, therefore, precious metal in activation solution can not and metallic copper between produce and replace metal level, the catalysis particle of the just unimolecular layer produced on matrix surface after activation, provides good condition of surface to the bonding force improving coating.The colloidal pd activation solution that existing acidic group colloidal pd activation solution is is dispersion medium with high salt concentration aqueous acid, owing to containing the higher hydrochloric acid of concentration in activation solution, the activity of hydrochloric acid is very strong, the acid that a kind of penetrating power is very strong, skill corrodes around multi-ply wood aperture with in the zone of oxidation of internal layer terminal pad Copper Foil, produce " pink circle ", containing thicker colloidal stannate compounds in acidic group colloidal pd activation solution, both the activation performance improving colloidal palladium had been unfavorable for, impair again electroless copper plating layer and matrix Copper Foil bonding force, and hydrochloric acid consumption is large in acidic group colloidal pd activation solution, acid mist is large, poor working environment, be unfavorable for operator ' s health and harm environment.
Summary of the invention
Goal of the invention: the invention solves the problems referred to above, provides the formula of the acidic group colloidal pd activation solution of the strong and environmental protection of a kind of activation performance.
Technical scheme: a kind of formula of acidic group colloidal pd activation solution, comprises following composition by weight ratio, first liquid: palladous oxide 1g/L, oxalic acid 165mL/L, iron protochloride 2.68g/L, deionized water 200mL/L;
Second liquid: iron protochloride 75g/L, Na2Fe04 8.5g/L, oxalic acid 110 mL/L.
Concrete, the concentration of oxalic acid is 34%.
Concrete, the proportioning of first liquid and second liquid is 1:1.
Beneficial effect: compared with prior art, its advantage is that the wustite compound produced does not affect the activation performance of colloidal palladium in the present invention, and with the environmental protection more of careless acid instead of HCl, the health can not damaging operator does not pollute the environment yet.
Embodiment
Below in conjunction with embodiment, illustrate the present invention further.
Embodiment 1
A formula for acidic group colloidal pd activation solution, comprises first liquid and second liquid.
Following composition by weight ratio, first liquid: palladous oxide 1g/L, concentration is the oxalic acid 165mL/L of 34%, iron protochloride 2.68g/L, deionized water 200mL/L;
Prepared by first liquid: by palladous oxide heating for dissolving in oxalic acid, constant temperature 55 DEG C is deposited, then is dissolved in by iron protochloride in oxalic acid and deionized water, and constant temperature 55 DEG C is deposited, and is slowly added in the solution containing palladous oxide by above solution of ferrous chloride.
Second liquid: iron protochloride 75g/L, Na2Fe04 8.5g/L, concentration is oxalic acid 110 mL/L of 34%;
Prepared by second liquid: the deionized water adding 600mL in a reservoir, and be sequentially added into iron protochloride, Na2Fe04, concentration is the oxalic acid of 34%, stir and heat help dissolving, constant temperature 55 DEG C is deposited.
First liquid is joined the proportions of second liquid by 1:1.
The invention provides the formula of the acidic group colloidal pd activation solution of the strong and environmental protection of a kind of activation performance.
Claims (3)
1. a formula for acidic group colloidal pd activation solution, is characterized in that: comprise following composition by weight ratio, first liquid: palladous oxide 1g/L, oxalic acid 165mL/L, iron protochloride 2.68g/L, deionized water 200mL/L;
Second liquid: iron protochloride 75g/L, Na2Fe04 8.5g/L, oxalic acid 110 mL/L.
2. the formula of a kind of acidic group colloidal pd activation solution according to claim 1, is characterized in that: the concentration of oxalic acid is 34%.
3. the formula of a kind of acidic group colloidal pd activation solution according to claim 1, is characterized in that: the proportioning of first liquid and second liquid is 1:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410480905.3A CN104264134A (en) | 2014-09-19 | 2014-09-19 | Formula of acid-based colloidal palladium activation solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410480905.3A CN104264134A (en) | 2014-09-19 | 2014-09-19 | Formula of acid-based colloidal palladium activation solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104264134A true CN104264134A (en) | 2015-01-07 |
Family
ID=52155702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410480905.3A Pending CN104264134A (en) | 2014-09-19 | 2014-09-19 | Formula of acid-based colloidal palladium activation solution |
Country Status (1)
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59170253A (en) * | 1983-03-16 | 1984-09-26 | Hitachi Ltd | Palladium activating solution |
| CN101054663A (en) * | 2007-05-29 | 2007-10-17 | 南京工业大学 | Activating process for nonmetal basal body chemical plating |
| CN103449538A (en) * | 2013-07-02 | 2013-12-18 | 南京吉安特环保技术有限公司 | Preparation method of nano palladium oxide hollow spheres |
| CN103469180A (en) * | 2013-09-16 | 2013-12-25 | 苏州志向纺织科研股份有限公司 | Method for preparing antistatic polyester through chemical nickel-plating process |
-
2014
- 2014-09-19 CN CN201410480905.3A patent/CN104264134A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59170253A (en) * | 1983-03-16 | 1984-09-26 | Hitachi Ltd | Palladium activating solution |
| CN101054663A (en) * | 2007-05-29 | 2007-10-17 | 南京工业大学 | Activating process for nonmetal basal body chemical plating |
| CN103449538A (en) * | 2013-07-02 | 2013-12-18 | 南京吉安特环保技术有限公司 | Preparation method of nano palladium oxide hollow spheres |
| CN103469180A (en) * | 2013-09-16 | 2013-12-25 | 苏州志向纺织科研股份有限公司 | Method for preparing antistatic polyester through chemical nickel-plating process |
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Application publication date: 20150107 |