CN110093600A - A kind of PCB brownification liquid and preparation method thereof - Google Patents
A kind of PCB brownification liquid and preparation method thereof Download PDFInfo
- Publication number
- CN110093600A CN110093600A CN201810533810.1A CN201810533810A CN110093600A CN 110093600 A CN110093600 A CN 110093600A CN 201810533810 A CN201810533810 A CN 201810533810A CN 110093600 A CN110093600 A CN 110093600A
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- CN
- China
- Prior art keywords
- pcb
- brownification
- brownification liquid
- hydrogen peroxide
- organic solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/52—Treatment of copper or alloys based thereon
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
- H05K3/382—Improvement of the adhesion between the insulating substrate and the metal by special treatment of the metal
- H05K3/385—Improvement of the adhesion between the insulating substrate and the metal by special treatment of the metal by conversion of the surface of the metal, e.g. by oxidation, whether or not followed by reaction or removal of the converted layer
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Polyethers (AREA)
Abstract
Present invention discloses a kind of PCB brownification liquid, include the following components'mass percentage: stabilizer of hydrogen peroxide 0.4%-0.8%, organic solvent 0.1%-0.4%, polyhydroxylated polymer 1.1%, season ammoniac compounds 0.2%-0.3%, chloride ion additive 0.05%-0.15%, organic acid 0.8%-1.2%, aminated compounds 25%-30%, corrosion inhibiter 20%-25%, surplus are deionized water.Further disclose a kind of preparation method of PCB brownification liquid.PCB brownification liquid of the invention can reduce the brownification liquid consumption in producing line, reduce production cost, simultaneously, the binding force between pcb board internal layer can be improved, enhance the heat resistance of pcb board, reduce the generation for scrapping plate, reduce production risk, furthermore used raw material belongs to environment-friendly type raw material, and environmental-protecting performance is more preferably.
Description
Technical field
The present invention relates to pcb board manufacturing technology fields, and in particular to a kind of PCB brownification liquid and preparation method thereof.
Background technique
PCB brownification liquid is the common medical fluid in pcb board manufacturing process, and existing PCB brownification liquid product has the disadvantages that
Consumption is big when use, improves production cost；
Shade through the processed pcb board of brownification is difficult to control, and PCB brownification liquid and the copper on pcb board surface is anti-
It should measure and also be not easy to manage；
It is insufficient through the binding force between the processed pcb board internal layer of brownification, cause formed between plate in follow-up process
Lamination；
Heat resistance through the processed pcb board of brownification is inadequate, leads to plate bursting, and then formed and scrapped, improves in production
Risk；
In existing PCB brownification liquid product, environment-friendly type raw material is rarely employed.
Summary of the invention
The purpose of the present invention is to provide a kind of PCB brownification liquid and preparation method thereof.
One of for achieving the above object, the present invention adopts the following technical scheme:
A kind of PCB brownification liquid, including following components: stabilizer of hydrogen peroxide, organic solvent, polyhydroxylated polymer, season ammonia
Class compound, chloride ion additive, organic acid, aminated compounds, corrosion inhibiter, deionized water；
The mass percent of the component are as follows: stabilizer of hydrogen peroxide 0.4%-0.8%, organic solvent 0.1%-0.4%,
Polyhydroxylated polymer 1.1%, season ammoniac compounds 0.2%-0.3%, chloride ion additive 0.05%-0.15%, organic acid
0.8%-1.2%, aminated compounds 25%-30%, corrosion inhibiter 20%-25%, surplus are deionized water.
Technical solution as a further improvement of that present invention, the stabilizer of hydrogen peroxide are edetate.
Technical solution as a further improvement of that present invention, the organic solvent are isopropanol.
Technical solution as a further improvement of that present invention, the polyhydroxylated polymer are polyethylene glycol.
In order to achieve the above-mentioned another object of the invention, the present invention adopts the following technical scheme:
A kind of preparation method of PCB brownification liquid, by mass percent are as follows: stabilizer of hydrogen peroxide 0.4%-0.8%, organic
Solvent 0.1%-0.4%, polyhydroxylated polymer 1.1%, season ammoniac compounds 0.2%-0.3%, chloride ion additive 0.05%-
0.15%, organic acid 0.8%-1.2%, aminated compounds 25%-30%, corrosion inhibiter 20%-25%, surplus are deionized water
Raw material, which is added in reaction kettle, opens stirring, after stirring two hours to obtain the final product.
Technical solution as a further improvement of that present invention, the stabilizer of hydrogen peroxide are edetate.
Technical solution as a further improvement of that present invention, the organic solvent are isopropanol.
Technical solution as a further improvement of that present invention, the polyhydroxylated polymer are polyethylene glycol.
Compared with the existing technology, the technical effects of the invention are that:
PCB brownification liquid of the invention can reduce the brownification liquid consumption in producing line, reduce production cost, meanwhile, it can be with
The binding force between pcb board internal layer is improved, enhances the heat resistance of pcb board, reduces the generation for scrapping plate, reduce production wind
Danger, furthermore, used raw material belongs to environment-friendly type raw material, and environmental-protecting performance is more preferably.
Specific embodiment
Below with reference to specific embodiment, the present invention will be described in detail.But these embodiments are not intended to limit this hair
Bright, structure that those skilled in the art are made according to these embodiments, method or transformation functionally include
Within the scope of the present invention.
A kind of PCB brownification liquid, including following components: stabilizer of hydrogen peroxide, organic solvent, polyhydroxylated polymer, season ammonia
Class compound, chloride ion additive, organic acid, aminated compounds, corrosion inhibiter, deionized water；
The mass percent of the component are as follows: stabilizer of hydrogen peroxide 0.4%-0.8%, organic solvent 0.1%-0.4%,
Polyhydroxylated polymer 1.1%, season ammoniac compounds 0.2%-0.3%, chloride ion additive 0.05%-0.15%, organic acid
0.8%-1.2%, aminated compounds 25%-30%, corrosion inhibiter 20%-25%, surplus are deionized water.
Further, the stabilizer of hydrogen peroxide is edetate.
Further, the organic solvent is isopropanol.
Further, the polyhydroxylated polymer is polyethylene glycol.
It should be noted that stabilizer of hydrogen peroxide is for preventing hydrogen peroxide decomposition rate too fast.
The component that organic solvent is used to that dissolution to be assisted to be insoluble in deionized water.
Polyhydroxylated polymer in brownification treatment process for increasing the thickness of brownification film and improving the uniformity of brownification film.
Season ammoniac compounds are used to improve the cleaning effect to metal surface on pcb board.
Chloride ion additive is for controlling pcb board surface brownification film color, micro-etching speed and tearing toughness.
Organic acid is used to adjust the pH value of PCB brownification liquid.
Aminated compounds is used to be used as surfactant.
Corrosion inhibiter plays the role of inhibition copper and reacts with copper surface to generate one layer of organic metal brownification film.
Deionized water is used to be used as decentralized medium.
In order to achieve the above-mentioned another object of the invention, the present invention adopts the following technical scheme:
A kind of preparation method of PCB brownification liquid, by mass percent are as follows: stabilizer of hydrogen peroxide 0.4%-0.8%, organic
Solvent 0.1%-0.4%, polyhydroxylated polymer 1.1%, season ammoniac compounds 0.2%-0.3%, chloride ion additive 0.05%-
0.15%, organic acid 0.8%-1.2%, aminated compounds 25%-30%, corrosion inhibiter 20%-25%, surplus are deionized water
Raw material, which is added in reaction kettle, opens stirring, after stirring two hours to obtain the final product.
Resulting PCB brownification liquid: pH value 10-12, specific gravity 1.5-1.9g/cm3, appearance is yellow transparent liquid.
Further, the stabilizer of hydrogen peroxide is edetate.
Further, the organic solvent is isopropanol.
Further, the polyhydroxylated polymer is polyethylene glycol.
In use, PCB brownification liquid fluting concentration 2.4-3.0ml/L on line, need to separately be added hydrogen peroxide concentration 3-5% (quality
Percentage), sulfuric acid concentration 4-6% (mass percent), handle time 55-60s, 35-37 DEG C for the treatment of temperature.Pcb board is handled
Plate face color be brown.
Compared with the existing technology, the technical effects of the invention are that:
PCB brownification liquid of the invention can reduce the brownification liquid consumption in producing line, reduce production cost, meanwhile, it can be with
The binding force between pcb board internal layer is improved, enhances the heat resistance of pcb board, reduces the generation for scrapping plate, reduce production wind
Danger, furthermore, used raw material belongs to environment-friendly type raw material, and environmental-protecting performance is more preferably.
Finally, it should be noted that embodiment of above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
Invention is explained in detail referring to aforementioned embodiments for pipe, those skilled in the art should understand that: its according to
It can so modify to technical solution documented by aforementioned each embodiment, or part of technical characteristic is equal
Replacement；And these are modified or replaceed, each embodiment technical solution of the present invention that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (8)
1. a kind of PCB brownification liquid, which is characterized in that including following components: stabilizer of hydrogen peroxide, organic solvent, polyhydroxy polycarboxylic
Close object, season ammoniac compounds, chloride ion additive, organic acid, aminated compounds, corrosion inhibiter, deionized water；
The mass percent of the component are as follows: stabilizer of hydrogen peroxide 0.4%-0.8%, organic solvent 0.1%-0.4%, polyhydroxy
Based polyalcohol 1.1%, season ammoniac compounds 0.2%-0.3%, chloride ion additive 0.05%-0.15%, organic acid 0.8%-
1.2%, aminated compounds 25%-30%, corrosion inhibiter 20%-25%, surplus are deionized water.
2. a kind of PCB brownification liquid according to claim 1, which is characterized in that the stabilizer of hydrogen peroxide is ethylenediamine
Tetraacetate.
3. a kind of PCB brownification liquid according to claim 1, which is characterized in that the organic solvent is isopropanol.
4. a kind of PCB brownification liquid according to claim 1, which is characterized in that the polyhydroxylated polymer is polyethylene glycol.
5. a kind of preparation method of PCB brownification liquid, which is characterized in that by mass percent are as follows: stabilizer of hydrogen peroxide 0.4%-
0.8%, organic solvent 0.1%-0.4%, polyhydroxylated polymer 1.1%, season ammoniac compounds 0.2%-0.3%, chloride ion add
Add agent 0.05%-0.15%, organic acid 0.8%-1.2%, aminated compounds 25%-30%, corrosion inhibiter 20%-25%, surplus
Unlatching stirring in reaction kettle is added for the raw material of deionized water, after stirring two hours to obtain the final product.
6. a kind of preparation method of PCB brownification liquid according to claim 5, which is characterized in that the hydrogen peroxide stabilizers
Agent is edetate.
7. a kind of preparation method of PCB brownification liquid according to claim 5, which is characterized in that the organic solvent is different
Propyl alcohol.
8. a kind of preparation method of PCB brownification liquid according to claim 5, which is characterized in that the polyhydroxylated polymer
For polyethylene glycol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810533810.1A CN110093600A (en) | 2018-05-29 | 2018-05-29 | A kind of PCB brownification liquid and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810533810.1A CN110093600A (en) | 2018-05-29 | 2018-05-29 | A kind of PCB brownification liquid and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110093600A true CN110093600A (en) | 2019-08-06 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810533810.1A Pending CN110093600A (en) | 2018-05-29 | 2018-05-29 | A kind of PCB brownification liquid and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN110093600A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111826645A (en) * | 2020-07-31 | 2020-10-27 | 国网河南省电力公司西峡县供电公司 | Browning liquid for inner layer copper foil of circuit board |
| CN113666477A (en) * | 2021-09-02 | 2021-11-19 | 江苏八菱环保科技有限公司 | Complex breaking additive, and brown oxidation waste liquid recovery treatment method and recovery device |
Citations (5)
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|---|---|---|---|---|
| CN1564650A (en) * | 2004-04-13 | 2005-01-12 | 广东光华化学厂有限公司 | Brownized treatment liquid for increasing adhesion of internal copper surface of circuit board and polymer material |
| US7084098B2 (en) * | 2003-09-05 | 2006-08-01 | Samsung Electro-Mechanics Co., Ltd. | Brown oxide pretreatment composition for cleaning copper surface and improving adhesion of polyimide surface, and method for improving adhesion of polyimide surface by applying the same to brown oxide process |
| CN101967634A (en) * | 2010-10-26 | 2011-02-09 | 广东多正化工科技有限公司 | Brown oxide treating agent for printed circuit board |
| CN102424964A (en) * | 2011-12-23 | 2012-04-25 | 广东东硕科技有限公司 | Browning conditioning fluid containing sulfydryl compound |
| CN107365993A (en) * | 2017-07-24 | 2017-11-21 | 苏州天承化工有限公司 | A kind of brown liquid and oxide method |
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2018
- 2018-05-29 CN CN201810533810.1A patent/CN110093600A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7084098B2 (en) * | 2003-09-05 | 2006-08-01 | Samsung Electro-Mechanics Co., Ltd. | Brown oxide pretreatment composition for cleaning copper surface and improving adhesion of polyimide surface, and method for improving adhesion of polyimide surface by applying the same to brown oxide process |
| CN1564650A (en) * | 2004-04-13 | 2005-01-12 | 广东光华化学厂有限公司 | Brownized treatment liquid for increasing adhesion of internal copper surface of circuit board and polymer material |
| CN101967634A (en) * | 2010-10-26 | 2011-02-09 | 广东多正化工科技有限公司 | Brown oxide treating agent for printed circuit board |
| CN102424964A (en) * | 2011-12-23 | 2012-04-25 | 广东东硕科技有限公司 | Browning conditioning fluid containing sulfydryl compound |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111826645A (en) * | 2020-07-31 | 2020-10-27 | 国网河南省电力公司西峡县供电公司 | Browning liquid for inner layer copper foil of circuit board |
| CN113666477A (en) * | 2021-09-02 | 2021-11-19 | 江苏八菱环保科技有限公司 | Complex breaking additive, and brown oxidation waste liquid recovery treatment method and recovery device |
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Application publication date: 20190806 |