CN108788521A - A kind of transformer scaling powder and preparation method thereof - Google Patents
A kind of transformer scaling powder and preparation method thereof Download PDFInfo
- Publication number
- CN108788521A CN108788521A CN201810686330.9A CN201810686330A CN108788521A CN 108788521 A CN108788521 A CN 108788521A CN 201810686330 A CN201810686330 A CN 201810686330A CN 108788521 A CN108788521 A CN 108788521A
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- Prior art keywords
- scaling powder
- acid
- transformer
- mass percentage
- transformer scaling
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Classifications
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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
-
- 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
Abstract
The invention discloses a kind of transformer scaling powder, it is prepared by the component as follows in terms of mass percentage：The new certain herbaceous plants with big flowers acid 2-4% activating agents 1-5% of composite modified rosin 30-50% ethyl acetate 20-30% ethylene glycol ethyl ether 10-20% turpentine oil 5-10%；The sum of said components mass percentage is 100%.The present invention also provides a kind of preparation methods of transformer scaling powder.The transformer scaling powder of the present invention improves rate of volatilization under high temperature, avoids generating white crystals thing, and postwelding insulation resistance is high, without cleaning so that machine operates continuously, and can adapt to the continuity of technique, reduces production cost.
Description
Technical field
The present invention relates to transformer material fields more particularly to a kind of transformer scaling powder and preparation method thereof.
Background technology
Scaling powder that IPC materials are done is presently used under high rosin, the time puts to be had the crystal of white and be precipitated long, cannot
It preserves for a long time.For the temperature of the general scolding tin of network transformer at 400 DEG C, enameled wire can just be removed by reaching corresponding temperature, with certainly
The quickening of dynamicization process, present machine is instead of the operation of artificial soldering flux applying scolding tin, and flux bath and tin stove distance cannot
Too far, if the distance is too far very so that solvent volatilization is too fast, and it is the crystal of white, crystal product to lead to flux bath bottom entirely
It is tired to make machine continuous operation inconvenient, working efficiency is reduced, cannot meet the technological requirements.
Invention content
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide a kind of transformer scaling powder, the changes
Depressor scaling powder improves rate of volatilization under high temperature, avoids generating white crystals thing, and postwelding insulation resistance is high, without clear
It washes so that machine operates continuously, and can adapt to the continuity of technique, reduces production cost.
The second object of the present invention is to provide a kind of preparation method of transformer scaling powder, which presses raw material
Order mixes, and stirs so that raw material can be completely dissolved, and step is simple, easy to operate.
An object of the present invention adopts the following technical scheme that realization：
A kind of transformer scaling powder is prepared by the component as follows in terms of mass percentage：
The sum of said components mass percentage is 100%.
Further, transformer scaling powder is prepared by the component as follows in terms of mass percentage：
The sum of said components mass percentage is 100%.
Further, transformer scaling powder is prepared by the component as follows in terms of mass percentage：
Further, the composite modified rosin is pentalyn or rosin glycerides.
Further, the activating agent is succinic acid, adipic acid, glutaric acid, itaconic acid, glycolic, new certain herbaceous plants with big flowers acid, malic acid
With in salicylic acid one kind or arbitrary combination.
The second object of the present invention adopts the following technical scheme that realization：
A kind of preparation method of transformer scaling powder, including,
Material preparation step：Weigh composite modified rosin, ethyl acetate, ethylene glycol ethyl ether, turpentine oil, new certain herbaceous plants with big flowers acid respectively according to the ratio
And activating agent, it is spare；
Mixing step：After ethyl acetate, ethylene glycol ethyl ether and turpentine oil are mixed, composite modified rosin is added, then side
It stirs side and new certain herbaceous plants with big flowers acid and activating agent is added, stir evenly, transformer scaling powder is obtained after being completely dissolved.
Further, in mixing step, mixing speed 300-600r/min, mixing time 40-60min.
Compared with prior art, the beneficial effects of the present invention are：
(1) transformer scaling powder of the invention, the transformer scaling powder improve the rate of volatilization under high temperature, avoid generating
White crystals thing, and postwelding insulation resistance is high, without cleaning so that machine operates continuously, and can adapt to the continuity of technique,
Reduce production cost；
(2) preparation method of transformer scaling powder of the invention, the preparation method is by ethyl acetate, ethylene glycol ethyl ether and pine
After fuel-economizing mixing, composite modified rosin is added, new certain herbaceous plants with big flowers acid and activating agent are then added while stirring, mixes, fully stirs in order
It mixes uniformly so that raw material can be completely dissolved, and step is simple, easy to operate.
Description of the drawings
Fig. 1 is the copper, Cu corrosion design sketch of embodiment 1；
Fig. 2 is the copper, Cu corrosion design sketch of embodiment 2；
Fig. 3 is the copper, Cu corrosion design sketch of embodiment 3.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the present invention is described further, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
A kind of transformer scaling powder is prepared by the component as follows in terms of mass percentage：
The sum of said components mass percentage is 100%.
As the mode that further carries out, transformer scaling powder be prepared by component in terms of mass percentage as follows and
At：
The sum of said components mass percentage is 100%.
As the mode that further carries out, transformer scaling powder be prepared by component in terms of mass percentage as follows and
At：
As the mode that further carries out, the composite modified rosin is pentalyn or rosin glycerides.
As the mode that further carries out, the activating agent be succinic acid, adipic acid, glutaric acid, itaconic acid, glycolic,
New certain herbaceous plants with big flowers acid, malic acid and one kind in salicylic acid or arbitrary combination.
The preparation method of above-mentioned transformer scaling powder, including,
Material preparation step：Weigh composite modified rosin, ethyl acetate, ethylene glycol ethyl ether, turpentine oil, new certain herbaceous plants with big flowers acid respectively according to the ratio
And activating agent, it is spare；
Mixing step：After ethyl acetate, ethylene glycol ethyl ether and turpentine oil are mixed, composite modified rosin is added, then side
It stirs side and new certain herbaceous plants with big flowers acid and activating agent is added, stir evenly, transformer scaling powder is obtained after being completely dissolved.
As the mode that further carries out, in mixing step, mixing speed 300-600r/min, mixing time 40-
60min。
It is specific embodiment of the present invention below, used raw material, equipment etc. remove special limit in the following embodiments
It can be obtained by buying pattern outside fixed.
Embodiment 1-5：
The component and content of embodiment 1-5 is as shown in the table.
1 embodiment 1-5 of table and comparative example 1-2 proportionings
The preparation method of the transformer scaling powder of embodiment 1-5 and comparative example 1-2 is prepared as follows, side
Method includes,
Material preparation step：Weigh composite modified rosin, ethyl acetate, ethylene glycol ethyl ether, turpentine oil, new certain herbaceous plants with big flowers acid respectively according to the ratio
And activating agent, it is spare；
Mixing step：After ethyl acetate, ethylene glycol ethyl ether and turpentine oil are mixed, composite modified rosin is added, then side
It stirs side and new certain herbaceous plants with big flowers acid and activating agent is added, stir evenly, mixing speed 300-600r/min, mixing time 40-60min,
Transformer scaling powder is obtained after being completely dissolved.
Comparative example 3：
3 difference from Example 1 of comparative example is that the preparation method of comparative example 3 includes：According to the ratio by composite modified pine
Perfume, ethyl acetate, ethylene glycol ethyl ether, turpentine oil, new certain herbaceous plants with big flowers acid and activating agent mixing, stir evenly, mixing speed 300-600r/
Min, mixing time 40-60min obtain transformer scaling powder after being completely dissolved.
Effect assessment and performance detection
By IPC-TM-650 2.6.15 test methods tables one, with Sn-0.7Cu systems solder detection welding embodiment 1-5 and
The effect of comparative example 1-3, the results are shown in Table 2.
2 copper, Cu corrosion result of table
By the copper, Cu corrosion design sketch of table 2 and the embodiment 1-3 of Fig. 1-3 as it can be seen that the transformer scaling powder of embodiment 1-5
Copper coin is corrosion-free after welding, and postwelding spreading ratio has no irritating odor 90% or more in welding, postwelding solid residue
It sprawls uniformly, 2.0 × 1011 Ω can be more than from cleaning, surface insulation resistance, solder joint is bright, and wherein 5 effect of embodiment is optimal.
And copper coin has slight erosion, spreading ratio relatively low after the scaling powder welding of comparative example 1-2, this illustrates the effect of the scaling powder of the present invention
Caused by formula and content cooperative effect, formula is outside the range or is not the specific formula, cannot get due effect.
Copper coin heavy corrosion after the scaling powder welding of comparative example 3, and spreading ratio is minimum, this explanation, and preparation method of the invention is by component
Increase by particular order so that scaling powder effect is good.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (7)
1. a kind of transformer scaling powder, which is characterized in that it is prepared by the component as follows in terms of mass percentage：
The sum of said components mass percentage is 100%.
2. transformer scaling powder as described in claim 1, which is characterized in that it is by the group as follows in terms of mass percentage
Divide and is prepared：
The sum of said components mass percentage is 100%.
3. transformer scaling powder as claimed in claim 2, which is characterized in that it is by the group as follows in terms of mass percentage
Divide and is prepared：
4. transformer scaling powder as described in claim 1, which is characterized in that the composite modified rosin is rosin pentaerythrite
Ester or rosin glycerides.
5. transformer scaling powder as described in claim 1, which is characterized in that the activating agent is succinic acid, adipic acid, penta 2
Acid, itaconic acid, glycolic, new certain herbaceous plants with big flowers acid, malic acid and one kind in salicylic acid or arbitrary combination.
6. a kind of preparation method of transformer scaling powder as described in any one in claim 1-5, it is characterised in that including,
Material preparation step：It weighs composite modified rosin, ethyl acetate, ethylene glycol ethyl ether, turpentine oil, new certain herbaceous plants with big flowers acid respectively according to the ratio and lives
Property agent, it is spare；
Mixing step：After ethyl acetate, ethylene glycol ethyl ether and turpentine oil are mixed, composite modified rosin is added, then side is stirred
New certain herbaceous plants with big flowers acid and activating agent is added in side, stirs evenly, transformer scaling powder is obtained after being completely dissolved.
7. the preparation method of transformer scaling powder as claimed in claim 6, which is characterized in that in mixing step, mixing speed
For 300-600r/min, mixing time 40-60min.
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| CN201810686330.9A CN108788521B (en) | 2018-06-28 | 2018-06-28 | Transformer flux and preparation method thereof |
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| CN201810686330.9A CN108788521B (en) | 2018-06-28 | 2018-06-28 | Transformer flux and preparation method thereof |
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| CN108788521A true CN108788521A (en) | 2018-11-13 |
| CN108788521B CN108788521B (en) | 2021-08-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114590045A (en) * | 2021-12-31 | 2022-06-07 | 南通威斯派尔半导体技术有限公司 | Printing method of high-precision solder pattern |
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| CN101143407A (en) * | 2007-10-24 | 2008-03-19 | 汕头市骏码凯撒有限公司 | Soldering paste and its preparation method |
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| CN114590045A (en) * | 2021-12-31 | 2022-06-07 | 南通威斯派尔半导体技术有限公司 | Printing method of high-precision solder pattern |
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