CN102672371B - Low-volatility high rosin flux and preparation method thereof - Google Patents
Low-volatility high rosin flux and preparation method thereof Download PDFInfo
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- CN102672371B CN102672371B CN2012101940937A CN201210194093A CN102672371B CN 102672371 B CN102672371 B CN 102672371B CN 2012101940937 A CN2012101940937 A CN 2012101940937A CN 201210194093 A CN201210194093 A CN 201210194093A CN 102672371 B CN102672371 B CN 102672371B
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Abstract
The invention relates to a flux, in particular to a low-volatility high rosin flux and a preparation method thereof, and the low-volatility high rosin flux is exclusively used for welding transformer pins and electric pole pins. The low-volatility high rosin flux comprises the following components of 50-70 percent of rosin, 30-48 percent of carbon bisulfide, 0.1-3 percent of tetrahydrofurfuryl alcohol and 0.05-5 percent of triethylene glycol butyl ether. The low-volatility high rosin flux disclosed by the invention is mainly used for welding electronic products such as transformers and electric poles. Compared with the prior art, the low-volatility high rosin flux has a favorable weld aiding activity and has the characteristics of low volatility, high tinning speed, less corrosion, good quality of tin points, full leading wires, easiness for cleaning and the like.
Description
Technical field
The present invention relates to scaling powder, particularly relate to a kind of high rosin scaling powder of low volatility that is exclusively used in transformer pin, the welding of electric pole pin and preparation method thereof.
Background technology
In electronics industry, welding is one of critical process of electronic product production and assembly, and the quality of welding quality directly affects the quality of electronic product.Traditional scaling powder adopts lower boiling alcohols, benzene type organic to make solvent, and the solvent of scaling powder is volatile, the Enrichment of scaling powder, needs frequent make-up diluent, increases use cost.Simultaneously, traditional colophony type scaling powder uses acidic materials as activating agent, easily causes transformer pin, the phenomenon that the electric pole human hair combing waste is black.Development along with electronics industry, the progress of technology, electronic product is also more and more, needs for transformer are also increasing, but require the scaling powder of high electronic product special use few for this welding quality such as transformer, electric pole, and existing scaling powder is difficult to meet to solve its volatile character, and the phenomenon of blackening easily occurs for the transformer pin after welding, electric pole pin, affects product quality.
Summary of the invention
The object of the invention is to avoid weak point of the prior art and provide a kind of welding quality low volatility good, that welding foot does not turn black, boiling point is higher high rosin scaling powder.
Another object of the present invention is to provide a kind of preparation method who prepares the high rosin scaling powder of weldering low volatility.
Purpose of the present invention is achieved through the following technical solutions.
The high rosin scaling powder of a kind of low volatility, by weight percentage, form by following group,
Rosin 50 ~ 68%
Carbon disulfide 30 ~ 48%
Tetrahydrofurfuryl alcohol 0.1 ~ 3%
Triethylene glycol butyl ether 0.05 ~ 5%.
Preferably, by weight percentage, form by following group,
Rosin 50 ~ 65%
Carbon disulfide 32 ~ 45%
Tetrahydrofurfuryl alcohol 0.1 ~ 1.5%
Triethylene glycol butyl ether 1 ~ 4%.
Preferably, by weight percentage, form by following group,
Rosin 56 ~ 62%
Carbon disulfide 35 ~ 40%
Tetrahydrofurfuryl alcohol 0.1 ~ 1%
Triethylene glycol butyl ether 1 ~ 3%.
Preferably, by weight percentage, form by following group,
Rosin 60%
Carbon disulfide 37%
Tetrahydrofurfuryl alcohol 1%
Triethylene glycol butyl ether 2%.
Further preferred, by weight percentage, form by following group,
Rosin 58%
Carbon disulfide 38%
Tetrahydrofurfuryl alcohol 2%
Triethylene glycol butyl ether 2%.
Further preferred, by weight percentage, form by following group,
Rosin 62%
Carbon disulfide 35%
Tetrahydrofurfuryl alcohol 0.5%
Triethylene glycol butyl ether 2.5%.
Preferred, by weight percentage, form by following group,
Rosin 56%
Carbon disulfide 40%
Tetrahydrofurfuryl alcohol 1%
Triethylene glycol butyl ether 3%.
Wherein, described rosin is natural rosin.
Wherein, described natural rosin is superfine rosin.
Preparation method of the present invention is:
The first step: carbon disulfide, tetrahydrofurfuryl alcohol and triethylene glycol butyl ether are joined in the reactor with agitating function by weight percentage;
Second step: again toward the rosin that adds corresponding percentage by weight in reactor;
The 3rd step: be stirred well to rosin and dissolve fully, mixture for being brown color, stirring density is 0.96 ± 0.02(g/cm
3) liquid.
Beneficial effect of the present invention: the present invention by weight percentage, and is composed of the following components, rosin 50 ~ 70%, carbon disulfide 30 ~ 48%, tetrahydrofurfuryl alcohol 0.1 ~ 3%, triethylene glycol butyl ether 0.05 ~ 5%.Scaling powder rosin content of the present invention is high, effectively remove the welding resistance materials such as the having or not of face of weld, dust, sweat mark, efficiently prevent the weld oxidation by air, have excellent helping and weld activity, can meet welding quality and require high transformer and the quality requirement of similar electronic product thereof.Carbon disulfide, tetrahydrofurfuryl alcohol and triethylene glycol butyl ether are mixed to form in the proper ratio organic mixed solvent and do not adopt lower boiling alcohols, benzene type organic to make solvent, relative mixed solvent boiling point is not volatile than high solvent, reduce the number of times of supplementing solvent, reduce production costs and increase work efficiency, and on the high rosin scaling powder of low volatility of the present invention, tin speed is fast, and upper root to solder terminal, solder terminal is wrapped up avoid solder terminal blackout phenomenon fully.In addition, the present invention does not use acid, alkaloids to cook activating agent, and corrosivity is little, extends the service life of the electronic product after welding.The high rosin scaling powder of low volatility of the present invention is mainly for electronic products such as transformer, electric poles, compared with prior art, have excellent helping and weld the characteristics such as active, simultaneously, low, the upper tin of volatility is rapid soon, corrosivity is little, the tin point mass is good, the lead-in wire is plentiful, easy cleaning.
The specific embodiment
The invention will be further described with the following Examples.
Embodiment 1.
The high rosin scaling powder of a kind of low volatility, by weight percentage, composed of the following components,
Rosin 60%
Carbon disulfide 37%
Tetrahydrofurfuryl alcohol 1%
Triethylene glycol butyl ether 2%.
Preparation method of the present invention is:
The first step: carbon disulfide, tetrahydrofurfuryl alcohol and triethylene glycol butyl ether are joined in the reactor with agitating function by weight percentage;
Second step: again toward the rosin that adds corresponding percentage by weight in reactor;
The 3rd step: be stirred well to rosin and dissolve fully, mixture for being brown color, stirring density is 0.96 ± 0.02(g/cm
3) liquid.
On the high rosin scaling powder of low volatility of the present invention, tin speed is fast, and is penetrated into the root of solder terminal, and solder terminal is wrapped up avoid solder terminal blackout phenomenon fully.In addition, the present invention does not use acid, alkaloids to cook activating agent, and corrosivity is little, extends the service life of the electronic product after welding.The high rosin scaling powder of low volatility of the present invention is mainly for electronic products such as transformer, electric poles, compared with prior art, have excellent helping and weld activity, have simultaneously the characteristics such as low, the upper tin speed of volatility is fast, corrosivity is little, the tin point mass is good, the lead-in wire is plentiful, easy cleaning.Rosin in the present embodiment is natural rosin.
Embodiment 2.
The high rosin scaling powder of a kind of low volatility, by weight percentage, composed of the following components,
Rosin 50%
Carbon disulfide 42%
Tetrahydrofurfuryl alcohol 3%
Triethylene glycol butyl ether 5%.
The preparation method of the high rosin scaling powder of the low volatility of the present embodiment is identical with embodiment 1, does not repeat them here.
Embodiment 3.
The high rosin scaling powder of a kind of low volatility, by weight percentage, composed of the following components,
Rosin 68%
Carbon disulfide 31.85%
Tetrahydrofurfuryl alcohol 0.1%
Triethylene glycol butyl ether 0.05%.
The preparation method of the high rosin scaling powder of the low volatility of the present embodiment is identical with embodiment 1, does not repeat them here.
Embodiment 4.
The high rosin scaling powder of a kind of low volatility, by weight percentage, composed of the following components,
Rosin 65%
Carbon disulfide 32%
Tetrahydrofurfuryl alcohol 1.5%
Triethylene glycol butyl ether 1.5%.
The preparation method of the high rosin scaling powder of the low volatility of the present embodiment is identical with embodiment 1, does not repeat them here.
Embodiment 5.
The high rosin scaling powder of a kind of low volatility, by weight percentage, composed of the following components,
Rosin 50%
Carbon disulfide 45%
Tetrahydrofurfuryl alcohol 1%
Triethylene glycol butyl ether 4%.
The preparation method of the high rosin scaling powder of the low volatility of the present embodiment is identical with embodiment 1, does not repeat them here.
Embodiment 6.
The high rosin scaling powder of a kind of low volatility, by weight percentage, composed of the following components,
Rosin 58%
Carbon disulfide 40%
Tetrahydrofurfuryl alcohol 1%
Triethylene glycol butyl ether 1%.
The preparation method of the high rosin scaling powder of the low volatility of the present embodiment is identical with embodiment 1, does not repeat them here.
Embodiment 7.
The high rosin scaling powder of a kind of low volatility, by weight percentage, composed of the following components,
Rosin 60%
Carbon disulfide 36%
Tetrahydrofurfuryl alcohol 1%
Triethylene glycol butyl ether 3%.
The preparation method of the high rosin scaling powder of the low volatility of the present embodiment is identical with embodiment 1, does not repeat them here.
Embodiment 8.
The high rosin scaling powder of a kind of low volatility, by weight percentage, composed of the following components,
Rosin 58%
Carbon disulfide 38%
Tetrahydrofurfuryl alcohol 2%
Triethylene glycol butyl ether 2%.
The preparation method of the high rosin scaling powder of the low volatility of the present embodiment is identical with embodiment 1, does not repeat them here.
Embodiment 9.
The high rosin scaling powder of a kind of low volatility, by weight percentage, composed of the following components,
Rosin 62%
Carbon disulfide 35%
Tetrahydrofurfuryl alcohol 0.5%
Triethylene glycol butyl ether 2.5%.
The preparation method of the high rosin scaling powder of the low volatility of the present embodiment is identical with embodiment 1, does not repeat them here.
Embodiment 10.
The high rosin scaling powder of a kind of low volatility, by weight percentage, composed of the following components,
Rosin 56%
Carbon disulfide 40%
Tetrahydrofurfuryl alcohol 1%
Triethylene glycol butyl ether 3%.
The preparation method of the high rosin scaling powder of the low volatility of the present embodiment is identical with embodiment 1, does not repeat them here.
Raw material in formula used in the present invention all can be from buying gained on the market.
Performance to the high rosin scaling powder of low volatility of embodiments of the invention 1 to embodiment 10 is tested, its average test result as shown in Table 1,
Table one test item and result
Finally should be noted that; above embodiment is only be used to illustrating technical scheme of the present invention but not limiting the scope of the invention; although with reference to preferred embodiment, the present invention is explained in detail; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement technical scheme of the present invention, and not break away from essence and the scope of technical solution of the present invention.
Claims (10)
1. high rosin scaling powder of low volatility is characterized in that: by weight percentage, by following component, formed,
Rosin 50 ~ 68%
Carbon disulfide 30 ~ 48%
Tetrahydrofurfuryl alcohol 0.1 ~ 3%
Triethylene glycol butyl ether 0.05 ~ 5%.
2. the high rosin scaling powder of a kind of low volatility according to claim 1 is characterized in that: by weight percentage, by following component, formed,
Rosin 50 ~ 65%
Carbon disulfide 32 ~ 45%
Tetrahydrofurfuryl alcohol 0.1 ~ 1.5%
Triethylene glycol butyl ether 1 ~ 4%.
3. the high rosin scaling powder of a kind of low volatility according to claim 2 is characterized in that: by weight percentage, by following component, formed,
Rosin 56 ~ 62%
Carbon disulfide 35 ~ 40%
Tetrahydrofurfuryl alcohol 0.1 ~ 1%
Triethylene glycol butyl ether 1 ~ 3%.
4. the high rosin scaling powder of a kind of low volatility according to claim 3 is characterized in that: by weight percentage, by following component, formed,
Rosin 60%
Carbon disulfide 37%
Tetrahydrofurfuryl alcohol 1%
Triethylene glycol butyl ether 2%.
5. the high rosin scaling powder of a kind of low volatility according to claim 3 is characterized in that: by weight percentage, by following component, formed,
Rosin 58%
Carbon disulfide 38%
Tetrahydrofurfuryl alcohol 2%
Triethylene glycol butyl ether 2%.
6. the high rosin scaling powder of a kind of low volatility according to claim 3 is characterized in that: by weight percentage, by following component, formed,
Rosin 62%
Carbon disulfide 35%
Tetrahydrofurfuryl alcohol 0.5%
Triethylene glycol butyl ether 2.5%.
7. the high rosin scaling powder of a kind of low volatility according to claim 3 is characterized in that: by weight percentage, by following component, formed,
Rosin 56%
Carbon disulfide 40%
Tetrahydrofurfuryl alcohol 1%
Triethylene glycol butyl ether 3%.
8. the high rosin scaling powder of the described a kind of low volatility of according to claim 1-7 any one, it is characterized in that: described rosin is natural rosin.
9. the high rosin scaling powder of a kind of low volatility according to claim 8, it is characterized in that: described natural rosin is superfine rosin.
10. the preparation method of the high rosin scaling powder of the described a kind of low volatility of claim 1-7 any one is as follows:
The first step: carbon disulfide, tetrahydrofurfuryl alcohol and triethylene glycol butyl ether are joined in the reactor with agitating function by weight percentage;
Second step: again toward the rosin that adds corresponding percentage by weight in reactor;
The 3rd step: be stirred well to rosin and dissolve fully, mixture for being brown color, stirring density is 0.96 ± 0.02(g/cm
3) liquid.
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| CN2012101940937A CN102672371B (en) | 2012-06-13 | 2012-06-13 | Low-volatility high rosin flux and preparation method thereof |
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| CN2012101940937A CN102672371B (en) | 2012-06-13 | 2012-06-13 | Low-volatility high rosin flux and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080809A (en) * | 2016-11-21 | 2018-05-29 | 常州佳讯光电产业发展有限公司 | Low junction temperature solar diode welding compound |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1902338A (en) * | 2003-10-09 | 2007-01-24 | 凯克控股公司 | Surface reactive preservative for use with solder preforms |
| CN101622094A (en) * | 2007-01-04 | 2010-01-06 | 弗赖斯金属有限公司 | Flux composition |
| CN102026967A (en) * | 2007-10-10 | 2011-04-20 | 巴斯夫欧洲公司 | Sulphonium salt initiators |
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- 2012-06-13 CN CN2012101940937A patent/CN102672371B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1902338A (en) * | 2003-10-09 | 2007-01-24 | 凯克控股公司 | Surface reactive preservative for use with solder preforms |
| CN101622094A (en) * | 2007-01-04 | 2010-01-06 | 弗赖斯金属有限公司 | Flux composition |
| CN102026967A (en) * | 2007-10-10 | 2011-04-20 | 巴斯夫欧洲公司 | Sulphonium salt initiators |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080809A (en) * | 2016-11-21 | 2018-05-29 | 常州佳讯光电产业发展有限公司 | Low junction temperature solar diode welding compound |
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Address after: 523000 Pu heart village, two row Town, Shek Pai Town, Guangdong, Dongguan Patentee after: Guangdong Jian Xin Polytron Technologies Inc Address before: 523333, Guangdong City, Dongguan Shi Pai Town, Po Road two Jintian restaurant, 100 meters on the left Patentee before: Dongguan Jianxin Electronic Material Co., Ltd. |