CN107971654A - A kind of water-soluble flux and preparation method thereof - Google Patents

A kind of water-soluble flux and preparation method thereof Download PDF

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Publication number
CN107971654A
CN107971654A CN201711203970.1A CN201711203970A CN107971654A CN 107971654 A CN107971654 A CN 107971654A CN 201711203970 A CN201711203970 A CN 201711203970A CN 107971654 A CN107971654 A CN 107971654A
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China
Prior art keywords
parts
water
soluble flux
preparation
acid
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CN201711203970.1A
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Inventor
庞婉青
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Wuxi Sheng Ya Biological Science And Technology Co Ltd Foshan Branch
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Wuxi Sheng Ya Biological Science And Technology Co Ltd Foshan Branch
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Priority to CN201711203970.1A priority Critical patent/CN107971654A/en
Publication of CN107971654A publication Critical patent/CN107971654A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/3612—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with organic compounds as principal constituents
    • B23K35/3613—Polymers, e.g. resins

Abstract

The present invention provides a kind of water-soluble flux and preparation method thereof.Preparation method is：Step 1：By citric acid, malic acid, triethanolamine and deionized water mixing, heating stirring；Step 2：Water-based acrylic resin and melamine resin are added, heating continues to stir；Step 3：Cold filtration, drying and grinding obtain active components A；Step 4：Remaining ingredient is mixed, heating stirring；Step 5：It is slowly added into active components A, water-bath insulated and stirred；Step 6：Be cooled to room temperature, filter to obtain the final product.The object of the present invention is to provide a kind of water-soluble flux, in welding, spreading area is very high, and the rate of spread is also very high, and no corrosion, to prepare high activity later, the water-soluble flux of low-corrosiveness creates condition, it is possible to achieve the good coordination of weldering property and corrosivity contradiction.

Description

A kind of water-soluble flux and preparation method thereof
Technical field
The present invention relates to the chemical synthesis agent field used in metal working technical area, and in particular to a kind of water solubility helps Solder flux and preparation method thereof.
Background technology
With the rapid development of electronics industry and the keen competition in market, solder manufacturing enterprise is intended to that welding can be produced Excellent performance, cheap product.Auxiliary material of the scaling powder as soldering paste, can not only provide excellent weldering property energy, but also Also directly affect printing performance and the storage life of soldering paste.Therefore, the quality of scaling powder directly affects the whole of surface mounting technology A technical process and product quality.Therefore, scaling powder performance is fine or not most important.
The content of the invention
Technical problems to be solved：The object of the present invention is to provide a kind of water-soluble flux, the spreading area in welding Very high, the rate of spread is also very high, and no corrosion, to prepare high activity, the water-soluble flux wound of low-corrosiveness later Condition is made, it is possible to achieve the good coordination of weldering property and corrosivity contradiction.
Technical solution：A kind of water-soluble flux, includes in parts by weight：20-30 parts of water-based acrylic resin, melamine 10-15 parts of amine-formaldehyde resins, 1-2 parts of citric acid, 1-3 parts of malic acid, 1-2 parts of tributyl phosphate, 1-2 parts of triethanolamine, dioxane 1-1.5 parts of base zinc dithiophosphate, 0.5-1 parts of Pyrogentisinic Acid, 2-5 parts of Polyethylene Octylphenol Ether, perfluoroalkyl betain 3-5 Part, 1-2 parts of hexafluoropropene epoxy oligomer, 1-3 parts of Cetyltrimethylammonium bromide, 5-10 parts of butyl glycol ether, benzo three 0.5-1 parts of nitrogen azoles, 20-30 parts of ethanol, 10-20 parts of isopropanol, 5-10 parts of glycerine, 30-40 parts of deionized water.Further preferably , a kind of water-soluble flux includes in parts by weight：25 parts of water-based acrylic resin, melamine resin 13 parts, 1.5 parts of citric acid, 2 parts of malic acid, 1.5 parts of tributyl phosphate, 1.5 parts of triethanolamine, zinc dialkyl dithiophosphate 1.3 parts, 0.8 part of Pyrogentisinic Acid, 3.5 parts of Polyethylene Octylphenol Ether, 4 parts of perfluoroalkyl betain, hexafluoropropene epoxy oligomerisation 1.5 parts of thing, 2 parts of Cetyltrimethylammonium bromide, 7.5 parts of butyl glycol ether, 0.8 part of benzotriazole, 25 parts of ethanol, isopropyl 15 parts of alcohol, 7.5 parts of glycerine, 35 parts of deionized water.
The preparation method of above-mentioned water-soluble flux comprises the following steps：
Step 1：By citric acid, malic acid, triethanolamine and deionized water mixing, 50-55 DEG C is heated in rotating speed 150-200r/ 20-30min is stirred under min；
Step 2：Water-based acrylic resin and melamine resin are added, is warming up to 90 DEG C, continues to stir 3-4h；
Step 3：It is cooled to room temperature, filters, active components A is ground to obtain after dry；
Step 4：Remaining ingredient is mixed, is heated to 40-45 DEG C of stirring 10-20min；
Step 5：Active components A is slowly added into, water-bath is kept the temperature at 40-45 DEG C, and 2-2.5h is stirred under rotating speed 70-120r/min；
Step 6：Be cooled to room temperature, filter to obtain the final product.
It is further preferred that being heated to 53 DEG C in step 1, rotating speed 170r/min, mixing time is 25 minutes.
It is further preferred that being heated to 43 DEG C in step 4, mixing time is 15 minutes.
It is further preferred that rotating speed is 100r/min in step 5.
Beneficial effect：The water-soluble flux of present invention spreading area in welding reaches as high as 49.3cm2, rate of spread highest can Reach 82.9%, and no corrosion, to prepare high activity later, the water-soluble flux of low-corrosiveness creates bar Part, also achieves the good coordination of weldering property and corrosivity contradiction.
Embodiment
Embodiment 1
A kind of water-soluble flux, includes in parts by weight：20 parts of water-based acrylic resin, 10 parts of melamine resin, 1 part of citric acid, 1 part of malic acid, 1 part of tributyl phosphate, 1 part of triethanolamine, 1 part of zinc dialkyl dithiophosphate, Pyrogentisinic Acid 0.5 Part, 2 parts of Polyethylene Octylphenol Ether, 3 parts of perfluoroalkyl betain, 1 part of hexafluoropropene epoxy oligomer, octadecyl front three 1 part of base ammonium bromide, 5 parts of butyl glycol ether, 0.5 part of benzotriazole, 20 parts of ethanol, 10 parts of isopropanol, 5 parts of glycerine, go from Sub- 30 parts of water.
The preparation method of above-mentioned water-soluble flux is：
Step 1：By citric acid, malic acid, triethanolamine and deionized water mixing, it is heated to 50 DEG C and is stirred under rotating speed 150r/min Mix 20min；
Step 2：Water-based acrylic resin and melamine resin are added, is warming up to 90 DEG C, continues to stir 3h；
Step 3：It is cooled to room temperature, filters, active components A is ground to obtain after dry；
Step 4：Remaining ingredient is mixed, is heated to 40 DEG C of stirring 10min；
Step 5：Active components A is slowly added into, water-bath is kept the temperature at 40 DEG C, and 2h is stirred under rotating speed 70r/min；
Step 6：Be cooled to room temperature, filter to obtain the final product.
Embodiment 2
A kind of water-soluble flux, includes in parts by weight：22 parts of water-based acrylic resin, 13 parts of melamine resin, 1.5 parts of citric acid, 1.5 parts of malic acid, 1.5 parts of tributyl phosphate, 1.5 parts of triethanolamine, zinc dialkyl dithiophosphate 1.2 Part, 0.7 part of Pyrogentisinic Acid, 3.5 parts of Polyethylene Octylphenol Ether, 4 parts of perfluoroalkyl betain, hexafluoropropene epoxy oligomer 1.5 parts, 1.5 parts of Cetyltrimethylammonium bromide, 6 parts of butyl glycol ether, 0.7 part of benzotriazole, 25 parts of ethanol, isopropanol 13 parts, 6 parts of glycerine, 35 parts of deionized water.
The preparation method of above-mentioned water-soluble flux is：Step 1：By citric acid, malic acid, triethanolamine and deionized water are mixed Close, be heated to 52 DEG C and stir 25min under rotating speed 160r/min；
Step 2：Water-based acrylic resin and melamine resin are added, is warming up to 90 DEG C, continues to stir 3h；
Step 3：It is cooled to room temperature, filters, active components A is ground to obtain after dry；
Step 4：Remaining ingredient is mixed, is heated to 42 DEG C of stirring 15min；
Step 5：Active components A is slowly added into, water-bath is kept the temperature at 42 DEG C, and 2h is stirred under rotating speed 90r/min；
Step 6：Be cooled to room temperature, filter to obtain the final product.
Embodiment 3
A kind of water-soluble flux, includes in parts by weight：25 parts of water-based acrylic resin, 13 parts of melamine resin, 1.5 parts of citric acid, 2 parts of malic acid, 1.5 parts of tributyl phosphate, 1.5 parts of triethanolamine, 1.3 parts of zinc dialkyl dithiophosphate, 0.8 part of Pyrogentisinic Acid, 3.5 parts of Polyethylene Octylphenol Ether, 4 parts of perfluoroalkyl betain, hexafluoropropene epoxy oligomer 1.5 Part, 2 parts of Cetyltrimethylammonium bromide, 7.5 parts of butyl glycol ether, 0.8 part of benzotriazole, 25 parts of ethanol, isopropanol 15 Part, 7.5 parts of glycerine, 35 parts of deionized water.
The preparation method of above-mentioned water-soluble flux is：Step 1：By citric acid, malic acid, triethanolamine and deionized water are mixed Close, be heated to 53 DEG C and stir 25min under rotating speed 170r/min；
Step 2：Water-based acrylic resin and melamine resin are added, is warming up to 90 DEG C, continues to stir 3.5h；
Step 3：It is cooled to room temperature, filters, active components A is ground to obtain after dry；
Step 4：Remaining ingredient is mixed, is heated to 43 DEG C of stirring 15min；
Step 5：Active components A is slowly added into, water-bath is kept the temperature at 43 DEG C, and 2.5h is stirred under rotating speed 100r/min；
Step 6：Be cooled to room temperature, filter to obtain the final product.
Embodiment 4
A kind of water-soluble flux, includes in parts by weight：30 parts of water-based acrylic resin, 15 parts of melamine resin, 2 parts of citric acid, 3 parts of malic acid, 2 parts of tributyl phosphate, 2 parts of triethanolamine, 1.5 parts of zinc dialkyl dithiophosphate, Pyrogentisinic Acid 0.5-1 parts, 5 parts of Polyethylene Octylphenol Ether, 5 parts of perfluoroalkyl betain, 2 parts of hexafluoropropene epoxy oligomer, octadecane 3 parts of base trimethylammonium bromide, 10 parts of butyl glycol ether, 1 part of benzotriazole, 30 parts of ethanol, 20 parts of isopropanol, glycerine 10 Part, 40 parts of deionized water.
The preparation method of above-mentioned water-soluble flux is：Step 1：By citric acid, malic acid, triethanolamine and deionized water are mixed Close, be heated to 55 DEG C and stir 30min under rotating speed 200r/min；
Step 2：Water-based acrylic resin and melamine resin are added, is warming up to 90 DEG C, continues to stir 4h；
Step 3：It is cooled to room temperature, filters, active components A is ground to obtain after dry；
Step 4：Remaining ingredient is mixed, is heated to 45 DEG C of stirring 20min；
Step 5：Active components A is slowly added into, water-bath is kept the temperature at 45 DEG C, and 2.5h is stirred under rotating speed 120r/min；
Step 6：Be cooled to room temperature, filter to obtain the final product.
Comparative example 1
Difference lies in replace malic acid with citric acid with embodiment 1 for the present embodiment.Specifically：
A kind of water-soluble flux, includes in parts by weight：20 parts of water-based acrylic resin, 10 parts of melamine resin, 2 parts of citric acid, 1 part of tributyl phosphate, 1 part of triethanolamine, 1 part of zinc dialkyl dithiophosphate, 0.5 part of Pyrogentisinic Acid, octyl 2 parts of phenol polyethenoxy ether, 3 parts of perfluoroalkyl betain, 1 part of hexafluoropropene epoxy oligomer, Cetyltrimethylammonium bromide 1 Part, 5 parts of butyl glycol ether, 0.5 part of benzotriazole, 20 parts of ethanol, 10 parts of isopropanol, 5 parts of glycerine, 30 parts of deionized water.
The preparation method of above-mentioned water-soluble flux is：
Step 1：By citric acid, triethanolamine and deionized water mixing, are heated to 50 DEG C and are stirred under rotating speed 150r/min 20min；
Step 2：Water-based acrylic resin and melamine resin are added, is warming up to 90 DEG C, continues to stir 3h；
Step 3：It is cooled to room temperature, filters, active components A is ground to obtain after dry；
Step 4：Remaining ingredient is mixed, is heated to 40 DEG C of stirring 10min；
Step 5：Active components A is slowly added into, water-bath is kept the temperature at 40 DEG C, and 2h is stirred under rotating speed 70r/min；
Step 6：Be cooled to room temperature, filter to obtain the final product.
Comparative example 2
Difference lies in do not contain melamine resin with embodiment 1 for the present embodiment.Specifically：
A kind of water-soluble flux, includes in parts by weight：20 parts of water-based acrylic resin, 1 part of citric acid, 1 part of malic acid, phosphorus Sour 1 part of tributyl, 1 part of triethanolamine, 1 part of zinc dialkyl dithiophosphate, 0.5 part of Pyrogentisinic Acid, Polyethylene Octylphenol Ether 2 Part, 3 parts of perfluoroalkyl betain, 1 part of hexafluoropropene epoxy oligomer, 1 part of Cetyltrimethylammonium bromide, butyl glycol ether 5 parts, 0.5 part of benzotriazole, 20 parts of ethanol, 10 parts of isopropanol, 5 parts of glycerine, 30 parts of deionized water.
The preparation method of above-mentioned water-soluble flux is：
Step 1：By citric acid, malic acid, triethanolamine and deionized water mixing, it is heated to 50 DEG C and is stirred under rotating speed 150r/min Mix 20min；
Step 2：Water-based acrylic resin is added, is warming up to 90 DEG C, continues to stir 3h；
Step 3：It is cooled to room temperature, filters, active components A is ground to obtain after dry；
Step 4：Remaining ingredient is mixed, is heated to 40 DEG C of stirring 10min；
Step 5：Active components A is slowly added into, water-bath is kept the temperature at 40 DEG C, and 2h is stirred under rotating speed 70r/min；
Step 6：Be cooled to room temperature, filter to obtain the final product.
Comparative example 3
Difference lies in do not contain hexafluoropropene epoxy oligomer and octadecyl trimethyl bromination with embodiment 1 for the present embodiment Ammonium.Specifically：
A kind of water-soluble flux, includes in parts by weight：20 parts of water-based acrylic resin, 10 parts of melamine resin, 1 part of citric acid, 1 part of malic acid, 1 part of tributyl phosphate, 1 part of triethanolamine, 1 part of zinc dialkyl dithiophosphate, Pyrogentisinic Acid 0.5 Part, 2 parts of Polyethylene Octylphenol Ether, 3 parts of perfluoroalkyl betain, 5 parts of butyl glycol ether, 0.5 part of benzotriazole, ethanol 20 parts, 10 parts of isopropanol, 5 parts of glycerine, 30 parts of deionized water.
The preparation method of above-mentioned water-soluble flux is：
Step 1：By citric acid, malic acid, triethanolamine and deionized water mixing, it is heated to 50 DEG C and is stirred under rotating speed 150r/min Mix 20min；
Step 2：Water-based acrylic resin and melamine resin are added, is warming up to 90 DEG C, continues to stir 3h；
Step 3：It is cooled to room temperature, filters, active components A is ground to obtain after dry；
Step 4：Remaining ingredient is mixed, is heated to 40 DEG C of stirring 10min；
Step 5：Active components A is slowly added into, water-bath is kept the temperature at 40 DEG C, and 2h is stirred under rotating speed 70r/min；
Step 6：Be cooled to room temperature, filter to obtain the final product.
The partial properties index of 1 scaling powder of the present invention of table
Name of product Spreading area (cm2) Corrosivity The rate of spread (%)
Embodiment 1 49.1 Nothing 82.2
Embodiment 2 49.2 Nothing 82.7
Embodiment 3 49.3 Nothing 82.9
Embodiment 4 49.2 Nothing 82.5
Comparative example 1 44.1 Nothing 77.6
Comparative example 2 45.3 Nothing 77.1
Comparative example 3 46.7 Nothing 78.8
By table 1, it can be seen that, water-soluble flux of the present invention spreading area in welding reaches as high as 49.3cm2, the rate of spread is most Height can reach 82.9%, and no corrosion, and to prepare high activity later, the water-soluble flux of low-corrosiveness creates Condition, also achieves the good coordination of weldering property and corrosivity contradiction.

Claims (6)

  1. A kind of 1. water-soluble flux, it is characterised in that：Include in parts by weight：20-30 parts of water-based acrylic resin, melamine 10-15 parts of amine-formaldehyde resins, 1-2 parts of citric acid, 1-3 parts of malic acid, 1-2 parts of tributyl phosphate, 1-2 parts of triethanolamine, dioxane 1-1.5 parts of base zinc dithiophosphate, 0.5-1 parts of Pyrogentisinic Acid, 2-5 parts of Polyethylene Octylphenol Ether, perfluoroalkyl betain 3-5 Part, 1-2 parts of hexafluoropropene epoxy oligomer, 1-3 parts of Cetyltrimethylammonium bromide, 5-10 parts of butyl glycol ether, benzo three 0.5-1 parts of nitrogen azoles, 20-30 parts of ethanol, 10-20 parts of isopropanol, 5-10 parts of glycerine, 30-40 parts of deionized water.
  2. A kind of 2. water-soluble flux according to claim 1, it is characterised in that：Include in parts by weight：Aqueous acrylamide 25 parts of acid resin, 13 parts of melamine resin, 1.5 parts of citric acid, 2 parts of malic acid, 1.5 parts of tributyl phosphate, three ethanol 1.5 parts of amine, 1.3 parts of zinc dialkyl dithiophosphate, 0.8 part of Pyrogentisinic Acid, 3.5 parts of Polyethylene Octylphenol Ether, perfluoroalkyl 4 parts of glycine betaine, 1.5 parts of hexafluoropropene epoxy oligomer, 2 parts of Cetyltrimethylammonium bromide, 7.5 parts of butyl glycol ether, benzene And 0.8 part of triazole, 25 parts of ethanol, 15 parts of isopropanol, 7.5 parts of glycerine, 35 parts of deionized water.
  3. 3. the preparation method of claim 1 to 2 any one of them water-soluble flux, it is characterised in that：Comprise the following steps：
    Step 1：By citric acid, malic acid, triethanolamine and deionized water mixing, 50-55 DEG C is heated in rotating speed 150-200r/ 20-30min is stirred under min；
    Step 2：Water-based acrylic resin and melamine resin are added, is warming up to 90 DEG C, continues to stir 3-4h；
    Step 3：It is cooled to room temperature, filters, active components A is ground to obtain after dry；
    Step 4：Remaining ingredient is mixed, is heated to 40-45 DEG C of stirring 10-20min；
    Step 5：Active components A is slowly added into, water-bath is kept the temperature at 40-45 DEG C, and 2-2.5h is stirred under rotating speed 70-120r/min；
    Step 6：Be cooled to room temperature, filter to obtain the final product.
  4. 4. the preparation method of water-soluble flux according to claim 3, it is characterised in that：It is heated in the step 1 53 DEG C, rotating speed 170r/min, mixing time is 25 minutes.
  5. 5. the preparation method of water-soluble flux according to claim 3, it is characterised in that：It is heated in the step 4 43 DEG C, mixing time is 15 minutes.
  6. 6. the preparation method of water-soluble flux according to claim 3, it is characterised in that：Rotating speed is in the step 5 100r/min。
CN201711203970.1A 2017-11-24 2017-11-24 A kind of water-soluble flux and preparation method thereof Withdrawn CN107971654A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110732805A (en) * 2018-10-16 2020-01-31 嘉兴学院 Cleaning-free soldering flux for high-density assembly parts and preparation method thereof
CN112621024A (en) * 2020-12-08 2021-04-09 湖北省哈福生物化学有限公司 Soldering flux material composition and preparation method of soldering flux
CN113798720A (en) * 2021-09-23 2021-12-17 沭阳县壹陆捌助剂有限公司 Production process of C9 type neutral soldering flux

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Publication number Priority date Publication date Assignee Title
CN101214594A (en) * 2007-12-28 2008-07-09 潘惠凯 Environment-friendly type lead-free solder water-based scaling powder and preparation thereof
CN101850483A (en) * 2009-03-31 2010-10-06 宁波银羊焊锡材料有限公司 Environmental-friendly water-soluble flux and preparation method thereof
CN102233495A (en) * 2010-05-07 2011-11-09 宁波卓诚焊锡科技有限公司 Water-soluble flux for lead-free solder
CN102513733A (en) * 2010-12-31 2012-06-27 广东中实金属有限公司 Flux
CN102825398A (en) * 2012-08-08 2012-12-19 北京工业大学 Soldering flux matched with lead-free solder
CN104191106A (en) * 2014-08-18 2014-12-10 烟台恒迪克能源科技有限公司 Electronic circuit surface assembling water-soluble soldering flux and preparing method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101214594A (en) * 2007-12-28 2008-07-09 潘惠凯 Environment-friendly type lead-free solder water-based scaling powder and preparation thereof
CN101850483A (en) * 2009-03-31 2010-10-06 宁波银羊焊锡材料有限公司 Environmental-friendly water-soluble flux and preparation method thereof
CN102233495A (en) * 2010-05-07 2011-11-09 宁波卓诚焊锡科技有限公司 Water-soluble flux for lead-free solder
CN102513733A (en) * 2010-12-31 2012-06-27 广东中实金属有限公司 Flux
CN102825398A (en) * 2012-08-08 2012-12-19 北京工业大学 Soldering flux matched with lead-free solder
CN104191106A (en) * 2014-08-18 2014-12-10 烟台恒迪克能源科技有限公司 Electronic circuit surface assembling water-soluble soldering flux and preparing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110732805A (en) * 2018-10-16 2020-01-31 嘉兴学院 Cleaning-free soldering flux for high-density assembly parts and preparation method thereof
CN112621024A (en) * 2020-12-08 2021-04-09 湖北省哈福生物化学有限公司 Soldering flux material composition and preparation method of soldering flux
CN112621024B (en) * 2020-12-08 2022-04-29 湖北省哈福生物化学有限公司 Soldering flux material composition and preparation method of soldering flux
CN113798720A (en) * 2021-09-23 2021-12-17 沭阳县壹陆捌助剂有限公司 Production process of C9 type neutral soldering flux

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