CN103878503A - Scaling powder and preparing method thereof - Google Patents
Scaling powder and preparing method thereof Download PDFInfo
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- CN103878503A CN103878503A CN201410083911.5A CN201410083911A CN103878503A CN 103878503 A CN103878503 A CN 103878503A CN 201410083911 A CN201410083911 A CN 201410083911A CN 103878503 A CN103878503 A CN 103878503A
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- scaling powder
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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
- B23K35/362—Selection of compositions of fluxes
-
- 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
- B23K35/40—Making wire or rods for soldering or welding
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Abstract
The invention provides scaling powder and a preparing method thereof. The scaling powder comprises, by weight, 10 parts-25 parts of rosin, 7 parts-20 parts of EVA resin, 0.5 part-0.8 part of hydrochloric acid ethylamine, 1 part-5 parts of isopropanol, 3 parts-10 parts of ethyl acetate, 1 part-6 parts of turpentine, 0.9 part-3.5 parts of butyl cellulose, 2 parts-8 parts of polyethylene, 1 part-4 parts of glutaric acid, 2 parts-5 parts of alkylphenol ethoxylates, 0.2 part-1.8 parts of amino-acid ester, 20 parts-40 parts of octanol, 0.1 part-0.6 part of hydroquinone, 0.8 part-2.7 parts of dimethylacetamide, 2 parts-9 parts of phenolic alcohol resin, 0.5 part-2.5 parts of benzotriazole, 1.2 parts-3.6 parts of o-fluorobenzoic acid, 10 parts-30 parts of n-butyl acetate and 0.3 part-0.9 part of o-hydroxybenzoic acid. Parts of the components are mixed first, then the residual components are added, mixing and filtering are carried out, and the scaling powder is achieved. The spread rate of the scaling powder is larger than 80%, halogen does not exist, and the surface insulation resistance is at the 1010 level.
Description
Technical field
The invention belongs to technical field of welding materials, be specifically related to a kind of scaling powder and preparation method thereof.
Background technology
Along with the enhancing of people's environmental protection consciousness, people also strengthen day by day to the concern of halogen problem.European Union has expressly provided the high-load requirement of halogen in wiring board electronic welding material, Halogen becomes the green revolution again of electron trade after RoHS instruction, halogen plays crucial activating agent effect in scaling powder, inevitablely after non-halogen aspect activity, stability, reliability, have higher requirement to scaling powder.
The scaling powder that the field of electronics packing is at present used is mainly divided into the liquid scaling powder of abietyl and exempts from two types of the liquid scaling powders of cleaning-type.The liquid scaling powder main feature of abietyl is for containing a certain amount of rosin, and activity is higher, and insulation impedance is also higher, but welding PCB surface is residual dirtier later, relatively more sticky hand, also easily there is the rosin problem of turning white in time length.Exempt from the liquid scaling powder of cleaning-type very low, active relatively low containing rosin or rosin or rosin content, guaranteeing, on active basis, need to increase the addition of other activating agents, so just caused the lower problem of postwelding insulation impedance, easily occur the risk of leaking electricity.
Summary of the invention
The object of this invention is to provide a kind of scaling powder and preparation method thereof.
A kind of scaling powder, comprise in weight portion: 10～25 parts of rosin, 7～20 parts of EVA resins, 0.5～0.8 part of ethylamine hydrochloride, 1～5 part of isopropyl alcohol, 3～10 parts, ethyl acetate, 1～6 part, turpentine oil, 0.9～3.5 part of butyl cellulose, 2～8 parts of polyethylene, 1～4 part of glutaric acid, 2～5 parts of APESs, 0.2～1.8 part of amino-acid ester, 20～40 parts of octanols, 0.1～0.6 part of Pyrogentisinic Acid, 0.8～2.7 part of dimethylacetylamide, 2～9 parts of phenoxy polyol resins, 0.5～2.5 part of BTA, 1.2～3.6 parts of o-fluorobenzoic acids, 10～30 parts of butyl acetates, 0.3～0.9 part of septichen.
As foregoing invention further preferably, described polyethylene powders particle diameter is less than 10 microns.
As foregoing invention further preferably, described APES is OPEO or dodecyl phenol polyethenoxy ether.
The preparation method of above-mentioned scaling powder, comprises the following steps:
Step 1, mixes rosin, EVA resin, isopropyl alcohol, ethyl acetate, turpentine oil, butyl cellulose, polyethylene, glutaric acid, amino-acid ester, octanol, Pyrogentisinic Acid, dimethylacetylamide, butyl acetate, is stirred to component and dissolves completely;
Step 2, adds remaining ingredient in step 1 gained mixture, and limit edged stirs, and after mixing, filters and get final product.
As the further improvement of foregoing invention, the whipping temp in step 1 is preferably 30～45 ℃.
As the further improvement of foregoing invention, the whipping temp in step 2 is preferably 35～40 ℃.
The scaling powder rate of spread of the present invention is greater than 80%, and weldering property is moderate, halogen-free, and ionic pollution degree reaches highest level, is applicable to highly reliable electronics product, and by bronze mirror corrosion test, surface insulation resistance is in 1010 grades.
The specific embodiment
Embodiment 1
A kind of scaling powder, comprises in weight portion: 10 parts of rosin, 7 parts of EVA resins, 0.5 part of ethylamine hydrochloride, 1 part of isopropyl alcohol, 3 parts, ethyl acetate, 1 part, turpentine oil, 0.9 part of butyl cellulose, 2 parts of polyethylene, 1 part of glutaric acid, 2 parts of APESs, 0.2 part of amino-acid ester, 20 parts of octanols, 0.1 part of Pyrogentisinic Acid, 0.8 part of dimethylacetylamide, 2 parts of phenoxy polyol resins, 0.5 part of BTA, 1.2 parts of o-fluorobenzoic acids, 10 parts of butyl acetates, 0.3 part of septichen.
Described polyethylene powders particle diameter is less than 10 microns; Described APES is OPEO.
The preparation method of above-mentioned scaling powder, comprises the following steps:
Step 1, mixes rosin, EVA resin, isopropyl alcohol, ethyl acetate, turpentine oil, butyl cellulose, polyethylene, glutaric acid, amino-acid ester, octanol, Pyrogentisinic Acid, dimethylacetylamide, butyl acetate, is stirred to component and dissolves completely;
Step 2, adds remaining ingredient in step 1 gained mixture, and limit edged stirs, and after mixing, filters and get final product.
Whipping temp in step 1 is 30 ℃; Whipping temp in step 2 is 40 ℃.
Embodiment 2
A kind of scaling powder, comprises in weight portion: 13 parts of rosin, 15 parts of EVA resins, 0.7 part of ethylamine hydrochloride, 2 parts of isopropyl alcohols, 5 parts, ethyl acetate, 3 parts, turpentine oil, 1.2 parts of butyl celluloses, 4 parts of polyethylene, 2 parts of glutaric acids, 4 parts of APESs, 0.7 part of amino-acid ester, 24 parts of octanols, 0.2 part of Pyrogentisinic Acid, 1.2 parts of dimethylacetylamides, 4 parts of phenoxy polyol resins, 0.9 part of BTA, 1.6 parts of o-fluorobenzoic acids, 14 parts of butyl acetates, 0.5 part of septichen.
Described polyethylene powders particle diameter is less than 10 microns; Described APES is dodecyl phenol polyethenoxy ether.
The preparation method of above-mentioned scaling powder, comprises the following steps:
Step 1, mixes rosin, EVA resin, isopropyl alcohol, ethyl acetate, turpentine oil, butyl cellulose, polyethylene, glutaric acid, amino-acid ester, octanol, Pyrogentisinic Acid, dimethylacetylamide, butyl acetate, is stirred to component and dissolves completely;
Step 2, adds remaining ingredient in step 1 gained mixture, and limit edged stirs, and after mixing, filters and get final product.
Whipping temp in step 1 is 45 ℃; Whipping temp in step 2 is 35 ℃.
Embodiment 3
A kind of scaling powder, comprises in weight portion: 17 parts of rosin, 16 parts of EVA resins, 0.8 part of ethylamine hydrochloride, 4 parts of isopropyl alcohols, 9 parts, ethyl acetate, 5 parts, turpentine oil, 2.1 parts of butyl celluloses, 7 parts of polyethylene, 2 parts of glutaric acids, 4 parts of APESs, 1.3 parts of amino-acid esters, 28 parts of octanols, 0.5 part of Pyrogentisinic Acid, 1.6 parts of dimethylacetylamides, 9 parts of phenoxy polyol resins, 1.8 parts of BTAs, 2.4 parts of o-fluorobenzoic acids, 24 parts of butyl acetates, 0.7 part of septichen.
Described polyethylene powders particle diameter is less than 10 microns; Described APES is dodecyl phenol polyethenoxy ether.
The preparation method of above-mentioned scaling powder, comprises the following steps:
Step 1, mixes rosin, EVA resin, isopropyl alcohol, ethyl acetate, turpentine oil, butyl cellulose, polyethylene, glutaric acid, amino-acid ester, octanol, Pyrogentisinic Acid, dimethylacetylamide, butyl acetate, is stirred to component and dissolves completely;
Step 2, adds remaining ingredient in step 1 gained mixture, and limit edged stirs, and after mixing, filters and get final product.
Whipping temp in step 1 is 32 ℃; Whipping temp in step 2 is 38 ℃.
Embodiment 4
A kind of scaling powder, comprises in weight portion: 20 parts of rosin, 18 parts of EVA resins, 0.7 part of ethylamine hydrochloride, 4 parts of isopropyl alcohols, 9 parts, ethyl acetate, 5 parts, turpentine oil, 3.1 parts of butyl celluloses, 7 parts of polyethylene, 3 parts of glutaric acids, 4 parts of APESs, 1.3 parts of amino-acid esters, 36 parts of octanols, 0.5 part of Pyrogentisinic Acid, 2.3 parts of dimethylacetylamides, 8 parts of phenoxy polyol resins, 2.3 parts of BTAs, 2.8 parts of o-fluorobenzoic acids, 25 parts of butyl acetates, 0.7 part of septichen.
Described polyethylene powders particle diameter is less than 10 microns; Described APES is OPEO.
The preparation method of above-mentioned scaling powder, comprises the following steps:
Step 1, mixes rosin, EVA resin, isopropyl alcohol, ethyl acetate, turpentine oil, butyl cellulose, polyethylene, glutaric acid, amino-acid ester, octanol, Pyrogentisinic Acid, dimethylacetylamide, butyl acetate, is stirred to component and dissolves completely;
Step 2, adds remaining ingredient in step 1 gained mixture, and limit edged stirs, and after mixing, filters and get final product.
Whipping temp in step 1 is 40 ℃; Whipping temp in step 2 is 38 ℃.
Embodiment 5
A kind of scaling powder, comprises in weight portion: 22 parts of rosin, 17 parts of EVA resins, 0.6 part of ethylamine hydrochloride, 3 parts of isopropyl alcohols, 6 parts, ethyl acetate, 4 parts, turpentine oil, 3.2 parts of butyl celluloses, 6 parts of polyethylene, 3 parts of glutaric acids, 4 parts of APESs, 1.3 parts of amino-acid esters, 22 parts of octanols, 0.2 part of Pyrogentisinic Acid, 0.9 part of dimethylacetylamide, 3 parts of phenoxy polyol resins, 0.6 part of BTA, 1.6 parts of o-fluorobenzoic acids, 23 parts of butyl acetates, 0.5 part of septichen.
Described polyethylene powders particle diameter is less than 10 microns; Described APES is OPEO.
The preparation method of above-mentioned scaling powder, comprises the following steps:
Step 1, mixes rosin, EVA resin, isopropyl alcohol, ethyl acetate, turpentine oil, butyl cellulose, polyethylene, glutaric acid, amino-acid ester, octanol, Pyrogentisinic Acid, dimethylacetylamide, butyl acetate, is stirred to component and dissolves completely;
Step 2, adds remaining ingredient in step 1 gained mixture, and limit edged stirs, and after mixing, filters and get final product.
Whipping temp in step 1 is 42 ℃; Whipping temp in step 2 is 35 ℃.
Embodiment 6
A kind of scaling powder, comprises in weight portion: 25 parts of rosin, 20 parts of EVA resins, 0.8 part of ethylamine hydrochloride, 5 parts of isopropyl alcohols, 10 parts, ethyl acetate, 6 parts, turpentine oil, 3.5 parts of butyl celluloses, 8 parts of polyethylene, 4 parts of glutaric acids, 5 parts of APESs, 1.8 parts of amino-acid esters, 40 parts of octanols, 0.6 part of Pyrogentisinic Acid, 2.7 parts of dimethylacetylamides, 9 parts of phenoxy polyol resins, 2.5 parts of BTAs, 3.6 parts of o-fluorobenzoic acids, 30 parts of butyl acetates, 0.9 part of septichen.
Described polyethylene powders particle diameter is less than 10 microns; Described APES is dodecyl phenol polyethenoxy ether.
The preparation method of above-mentioned scaling powder, comprises the following steps:
Step 1, mixes rosin, EVA resin, isopropyl alcohol, ethyl acetate, turpentine oil, butyl cellulose, polyethylene, glutaric acid, amino-acid ester, octanol, Pyrogentisinic Acid, dimethylacetylamide, butyl acetate, is stirred to component and dissolves completely;
Step 2, adds remaining ingredient in step 1 gained mixture, and limit edged stirs, and after mixing, filters and get final product.
Whipping temp in step 1 is 32 ℃; Whipping temp in step 2 is 39 ℃.
Embodiment 7
The difference of the present embodiment and embodiment 6 is not contain septichen.Specifically:
A kind of scaling powder, comprises in weight portion: 25 parts of rosin, 20 parts of EVA resins, 0.8 part of ethylamine hydrochloride, 5 parts of isopropyl alcohols, 10 parts, ethyl acetate, 6 parts, turpentine oil, 3.5 parts of butyl celluloses, 8 parts of polyethylene, 4 parts of glutaric acids, 5 parts of APESs, 1.8 parts of amino-acid esters, 40 parts of octanols, 0.6 part of Pyrogentisinic Acid, 2.7 parts of dimethylacetylamides, 9 parts of phenoxy polyol resins, 2.5 parts of BTAs, 3.6 parts of o-fluorobenzoic acids, 30 parts of butyl acetates.
Described polyethylene powders particle diameter is less than 10 microns; Described APES is dodecyl phenol polyethenoxy ether.
The preparation method of above-mentioned scaling powder, comprises the following steps:
Step 1, mixes rosin, EVA resin, isopropyl alcohol, ethyl acetate, turpentine oil, butyl cellulose, polyethylene, glutaric acid, amino-acid ester, octanol, Pyrogentisinic Acid, dimethylacetylamide, butyl acetate, is stirred to component and dissolves completely;
Step 2, adds remaining ingredient in step 1 gained mixture, and limit edged stirs, and after mixing, filters and get final product.
Whipping temp in step 1 is 32 ℃; Whipping temp in step 2 is 39 ℃.
Embodiment 1～7 gained sample is carried out to performance measurement, and result is as follows:
As can be seen from the table, the scaling powder rate of spread provided by the invention is all greater than 80%, and weldering property is moderate, halogen-free, and ionic pollution degree reaches highest level, is all better than comparative example.In addition, owing to not adding septichen in comparative example, cause scaling powder hydraulic performance decline, this may be to reduce because septichen has the surface tension that liquid solder embodies at welded material surface, mobility and the spreading ability of liquid solder are strengthened, thereby affected scaling powder performance.In addition, the embodiment 4 gained scaling powder rates of spread, ionic pollution degree, surface insulation resistance are all better, are optimum embodiment of the present invention.
Claims (6)
1. a scaling powder, it is characterized in that: comprise in weight portion: 10～25 parts of rosin, 7～20 parts of EVA resins, 0.5～0.8 part of ethylamine hydrochloride, 1～5 part of isopropyl alcohol, 3～10 parts, ethyl acetate, 1～6 part, turpentine oil, 0.9～3.5 part of butyl cellulose, 2～8 parts of polyethylene, 1～4 part of glutaric acid, 2～5 parts of APESs, 0.2～1.8 part of amino-acid ester, 20～40 parts of octanols, 0.1～0.6 part of Pyrogentisinic Acid, 0.8～2.7 part of dimethylacetylamide, 2～9 parts of phenoxy polyol resins, 0.5～2.5 part of BTA, 1.2～3.6 parts of o-fluorobenzoic acids, 10～30 parts of butyl acetates, 0.3～0.9 part of septichen.
2. a kind of scaling powder according to claim 1, is characterized in that: described polyethylene powders particle diameter is less than 10 microns.
3. a kind of scaling powder according to claim 1, is characterized in that: described APES is OPEO or dodecyl phenol polyethenoxy ether.
4. the preparation method of the scaling powder described in claims 1 to 3 any one, is characterized in that: comprise the following steps:
Step 1, mixes rosin, EVA resin, isopropyl alcohol, ethyl acetate, turpentine oil, butyl cellulose, polyethylene, glutaric acid, amino-acid ester, octanol, Pyrogentisinic Acid, dimethylacetylamide, butyl acetate, is stirred to component and dissolves completely;
Step 2, adds remaining ingredient in step 1 gained mixture, and limit edged stirs, and after mixing, filters and get final product.
5. the preparation method of scaling powder according to claim 4, is characterized in that: the whipping temp in step 1 is 30～45 ℃.
6. the preparation method of scaling powder according to claim 4, is characterized in that: the whipping temp in step 2 is 35～40 ℃.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271219A (en) * | 2016-08-26 | 2017-01-04 | 王泽陆 | A kind of No clean high-temperature electronic brazing flux and preparation method thereof |
| CN108274162A (en) * | 2018-04-11 | 2018-07-13 | 苏州龙腾万里化工科技有限公司 | A kind of anti-oxidant scaling powder |
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| CN103521952A (en) * | 2012-07-06 | 2014-01-22 | 重庆微世特电子材料有限公司 | Welding-bonding dual-purpose halogen-free electronic addition agent and preparation method thereof |
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| CN101412166A (en) * | 2008-11-28 | 2009-04-22 | 廖龙根 | Halogen-free scaling powder |
| CN102513733A (en) * | 2010-12-31 | 2012-06-27 | 广东中实金属有限公司 | Flux |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103878503B (en) | 2015-08-26 |
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