CN103540459A - Water-based printed circuit board welding flux cleaning agent and preparation method thereof - Google Patents
Water-based printed circuit board welding flux cleaning agent and preparation method thereof Download PDFInfo
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- CN103540459A CN103540459A CN201310523476.9A CN201310523476A CN103540459A CN 103540459 A CN103540459 A CN 103540459A CN 201310523476 A CN201310523476 A CN 201310523476A CN 103540459 A CN103540459 A CN 103540459A
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Abstract
The invention provides a water-based printed circuit board welding flux cleaning agent. The cleaning agent is prepared from the following raw materials in parts by weight: 30-40 parts of ethanol, 3-4 parts of fatty alcohol polyoxyethylene polyoxypropylene ether, 5-6 parts of oleyl alcohol polyoxyethylene ether sodium sulfate, 1-2 parts of fatty alcohol polyoxyethylene ether sodium sulfate, 1-2 parts of oxalic acid, 5-10 parts of sodium benzoate, 9-12 parts of propylene glycol, 4-5 parts of an auxiliary and 100-120 parts of deionized water. The cleaning agent has the beneficial effects that the cleaning agent uses various surfactants, has a good synergistic effect, uses alcohol organic solvents in a matching manner, can quickly and efficiently remove welding flux, rosin and other organic and inorganic matters, has low corrosivity and improves the yield of the circuit board; the auxiliary can form a protective film on the surface of the circuit board to isolate air to prevent water and other molecules in the air from corroding the circuit board; the cleaning agent is resistant to oxidation, prevents short circuit and is convenient for operation of the next preparation process.
Description
Technical field
The present invention relates to clean-out system field, relate in particular to a kind of water-based printing circuit card welding agent clean-out system and preparation method thereof.
Background technology
Along with the high speed development of unicircuit, the volume of circuit card is more and more less, and electronic component is more and more less, and density is increasing.If the dirt dust of the inside does not clean up in making processes, likely can cause the problems such as short circuit, corrosion, affect the normal operation of circuit card.At present majority circuit plate sanitising agent is all made with organism, and cleaning effect is good, is difficult for causing the problems such as short circuit, corrosion, and still, organic compound not only cost is high, and contaminate environment, damage the ozone layer, harmful to HUMAN HEALTH.Also have minority waterborne cleaning agent, but cleaning performance is limited, has security risk, require further improvement formula, technique, to reach clean thorough, pollution-free, the object of corroding little, healthy, circuit safety, reducing costs.
Summary of the invention
The object of the present invention is to provide a kind of water-based printing circuit card welding agent clean-out system and preparation method thereof, this clean-out system have advantages of clean thoroughly, cleaning speed is fast, it is little to corrode.
Technical scheme of the present invention is as follows:
A circuit card welding agent clean-out system, is characterized in that being made by the raw material of following weight part: ethanol 30-40, aliphatic alcohol polyethenoxy polyethenoxy ether 3-4, Brij sodium sulfate 5-6, polyoxyethylenated alcohol sodium sulfate 1-2, oxalic acid 1-2, Sodium Benzoate 5-10, propylene glycol 9-12, auxiliary agent 4-5, deionized water 100-120;
Described auxiliary agent is made by the raw material of following weight part: Silane coupling reagent KH-570 2-3, phytic acid 1-2, methyl methacrylate 3-4, oxidation inhibitor 1035 1-2,2-aminoethyl 17 alkenyl imidazoline 1-2, ethanol 15-18; Preparation method mixes Silane coupling reagent KH-570, phytic acid, ethanol, is heated to 60-70 ℃, stirs after 20-30 minute, then adds other remaining component, is warming up to 80-85 ℃, stirs 30-40 minute, obtains.
The preparation method of described water-based printing circuit card welding agent clean-out system, it is characterized in that comprising the following steps: by deionized water, ethanol, aliphatic alcohol polyethenoxy polyethenoxy ether, Brij sodium sulfate, polyoxyethylenated alcohol sodium sulfate, Sodium Benzoate, mixed with propylene glycol, under 1000-1200 rev/min of stirring, speed with 6-8 ℃/minute is heated to 60-70 ℃, add other remaining components, continue to stir 15-20 minute, obtain.
Beneficial effect of the present invention
Clean-out system of the present invention is used kinds of surface promoting agent, and synergistic effect is good, is used in conjunction with alcohol organic solvent, can rapidly and efficiently remove the organic and inorganic things such as welding agent, rosin, and corrodibility is little, has improved the yield rate of circuit card.Auxiliary agent of the present invention can form protective membrane at circuit board surface, and isolated air, prevents water and other molecule open circuit potential plates in atmosphere, and anti-oxidant, anti-short circuit, facilitates next step manufacture craft to carry out.
Embodiment
A circuit card welding agent clean-out system, by following weight part (kilogram) raw material make: ethanol 35, aliphatic alcohol polyethenoxy polyethenoxy ether 3.5, Brij sodium sulfate 5.6, polyoxyethylenated alcohol sodium sulfate 1.5, oxalic acid 2, Sodium Benzoate 7, propylene glycol 11, auxiliary agent 5, deionized water 110;
Described auxiliary agent by following weight part (kilogram) raw material make: Silane coupling reagent KH-570 2.5, phytic acid 1.5, methyl methacrylate 3.5, oxidation inhibitor 1,035 1.5,2-aminoethyl 17 alkenyl imidazolines 1.5, ethanol 16; Preparation method mixes Silane coupling reagent KH-570, phytic acid, ethanol, is heated to 65 ℃, stirs after 25 minutes, then adds other remaining component, is warming up to 83 ℃, stirs 35 minutes, obtains.
The preparation method of described water-based printing circuit card welding agent clean-out system, comprise the following steps: by deionized water, ethanol, aliphatic alcohol polyethenoxy polyethenoxy ether, Brij sodium sulfate, polyoxyethylenated alcohol sodium sulfate, Sodium Benzoate, mixed with propylene glycol, under 1100 revs/min of stirrings, with the speed of 7 ℃/minute, be heated to 66 ℃, add other remaining components, continue to stir 17 minutes, obtain.
This water-based printing circuit card welding agent clean-out system is used for cleaning copper printed circuit board (PCB), through 10 times of amplification detection of Olympus microscope, surface is clean without pollutents such as obvious rosin, scolding tin, greasy dirt, fingerprints, cleaning solution resistivity is greater than 2*106 Ω .cm, First Pass Yield reaches 80%, is better than normal level.
Claims (2)
1. a water-based printing circuit card welding agent clean-out system, is characterized in that being made by the raw material of following weight part: ethanol 30-40, aliphatic alcohol polyethenoxy polyethenoxy ether 3-4, Brij sodium sulfate 5-6, polyoxyethylenated alcohol sodium sulfate 1-2, oxalic acid 1-2, Sodium Benzoate 5-10, propylene glycol 9-12, auxiliary agent 4-5, deionized water 100-120;
Described auxiliary agent is made by the raw material of following weight part: Silane coupling reagent KH-570 2-3, phytic acid 1-2, methyl methacrylate 3-4, oxidation inhibitor 1035 1-2,2-aminoethyl 17 alkenyl imidazoline 1-2, ethanol 15-18; Preparation method mixes Silane coupling reagent KH-570, phytic acid, ethanol, is heated to 60-70 ℃, stirs after 20-30 minute, then adds other remaining component, is warming up to 80-85 ℃, stirs 30-40 minute, obtains.
2. the preparation method of water-based printing circuit card welding agent clean-out system according to claim 1, it is characterized in that comprising the following steps: by deionized water, ethanol, aliphatic alcohol polyethenoxy polyethenoxy ether, Brij sodium sulfate, polyoxyethylenated alcohol sodium sulfate, Sodium Benzoate, mixed with propylene glycol, under 1000-1200 rev/min of stirring, speed with 6-8 ℃/minute is heated to 60-70 ℃, add other remaining components, continue to stir 15-20 minute, obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310523476.9A CN103540459A (en) | 2013-10-30 | 2013-10-30 | Water-based printed circuit board welding flux cleaning agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310523476.9A CN103540459A (en) | 2013-10-30 | 2013-10-30 | Water-based printed circuit board welding flux cleaning agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103540459A true CN103540459A (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310523476.9A Pending CN103540459A (en) | 2013-10-30 | 2013-10-30 | Water-based printed circuit board welding flux cleaning agent and preparation method thereof |
Country Status (1)
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| CN (1) | CN103540459A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016124973A (en) * | 2014-12-26 | 2016-07-11 | 花王株式会社 | Surfactant composition |
| CN112877143A (en) * | 2021-01-22 | 2021-06-01 | 盐城市贝加尔电子材料有限公司 | Preparation method of acidic degreasing agent for PCB (printed circuit board) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1162630A (en) * | 1996-04-16 | 1997-10-22 | 北京中咨能海咨询公司 | Carbon deposit cleaning agent for gas water heater |
| CN103147079A (en) * | 2013-02-04 | 2013-06-12 | 安徽省繁昌县皖南阀门铸造有限公司 | Metal rust-preventative oil containing terpene resin T-120 |
-
2013
- 2013-10-30 CN CN201310523476.9A patent/CN103540459A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1162630A (en) * | 1996-04-16 | 1997-10-22 | 北京中咨能海咨询公司 | Carbon deposit cleaning agent for gas water heater |
| CN103147079A (en) * | 2013-02-04 | 2013-06-12 | 安徽省繁昌县皖南阀门铸造有限公司 | Metal rust-preventative oil containing terpene resin T-120 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016124973A (en) * | 2014-12-26 | 2016-07-11 | 花王株式会社 | Surfactant composition |
| CN112877143A (en) * | 2021-01-22 | 2021-06-01 | 盐城市贝加尔电子材料有限公司 | Preparation method of acidic degreasing agent for PCB (printed circuit board) |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140129 |