CN101235205A - Preparation of temperature-sensing wax mixture - Google Patents
Preparation of temperature-sensing wax mixture Download PDFInfo
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- CN101235205A CN101235205A CNA2008100593302A CN200810059330A CN101235205A CN 101235205 A CN101235205 A CN 101235205A CN A2008100593302 A CNA2008100593302 A CN A2008100593302A CN 200810059330 A CN200810059330 A CN 200810059330A CN 101235205 A CN101235205 A CN 101235205A
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Abstract
A preparation process of a sensitive wax mixture is conducted through two parts, firstly taking certain weight of sensitive wax with same temperature controlling range, adding additives whose weight is 4-10% of the whole weight, composing into mixed wax after mixing, wherein the stirring speed of mixed wax is 150-1500 rotation/min, and the dissolving time is 168-240h, then mixing mixed wax and copper powder, wherein the weight of mixed wax is 12-40% of the whole weight, and the weight of copper powder is 60-88%, setting the temperature of an agitated tank higher 10 DEG C than the given upper limit of the temperature controlling range of sensitive wax, adding copper powder under the condition that the agitating speed is slower than 50 rotation/min, continuously agitating 4-12 hours, simultaneously adding 0.1-1% fast-thermal powder to agitate evenly on the basis of the whole weight, thereby preventing copper powder from oxygenizing in mixed wax, and finally obtaining liquid sensitive wax mixture in the agitated tank. The additive can slower the fall velocity of copper powder to evenly mix, and fast-thermal powder can solve the oxide etch of copper powder, and reaches certain lift within certain temperature.
Description
Technical field
The invention belongs to the special wax manufacture technology field, specially refer to a kind of preparation of temperature-sensing wax mixture.
Background technology
Temperature-sensing element mainly relies on Wax as temperature sensing medium, is a kind of pure sexuality temperature medium.There is the document introduction and to be used as temperature sensing medium at middle adding copper powder, the height of Wax in this mixture and copper powder proportion is directly connected to the hysteresis size of the element of adorning, a suitable ratio can obtain hysteresis quality suitable or that need, and hysteresis quality is an important indicator in temperature-sensing valve.
But, add copper powder because the proportion problem can be brought the settlement issues of copper powder in Wax, make mixture homogeneity relatively poor, also can cause the rotten candle of oxidation of copper powder.In addition the rotten candle degree of oxidization of copper powder what, the size of copper powder particle and shape, copper powder impurity what all will directly influence all sensitivity of temperature-sensing element.
Summary of the invention
For addressing the above problem, the present invention proposes a kind of preparation of temperature-sensing wax mixture, after adding compound, slowed down the settling velocity of copper powder in temperature-sensitive wax, it is mixed, and the rotten candle of the oxidation that after adding 2-mercaptobenzothiazole, efficiently solves copper powder, make controlling elements in certain temperature range, reach the specific curves of certain lift.
For achieving the above object, the present invention has adopted following technical scheme:
The process for preparation of described temperature-sensing wax mixture divides two ones to carry out, get certainweight, temperature-sensitive wax that the temperature control scope is identical earlier, add compound---the polyisobutene that accounts for its gross weight 4～10%, mix the back and form blended wax, the stirring velocity of blended wax is 150～1500 rev/mins, and solution time is 168～240 hours; Again blended wax and copper powder are mixed, this moment, blended wax accounted for 12～40% of gross weight, copper powder accounts for 60～88%, the temperature that the steel basin temperature is set in than the specified upper limit of temperature-sensitive wax temperature control scope improves 10 ℃ again, low whipping speed＜50 rev/min following the copper powder that adds, continuously stirring 4～12 hours, on the basis of above-mentioned gross weight, adding simultaneously 0.1～1% 2-mercaptobenzothiazole again---the two basic phenylpropyl alcohol plug azoles of giving birth evenly stir, prevent copper powder oxidation in blended wax, finally in steel basin, obtain liquid temperature-sensing wax mixture.
The preparation of described temperature-sensing wax mixture, its blended wax and copper powder can be the blended wax of single temperature control scope before mixing, and also can be the blended wax of multiple temperature control scope.
The preparation of described temperature-sensing wax mixture, its copper powder can be the red copper powder, also can be brass powders, or the mixing copper powder of red copper powder and brass powder, but no matter the sort of copper powder is fine sheet.
Because adopt aforesaid technical scheme, the present invention has following superiority:
1, with compound---poly-isobutyl is rare is dissolved in earlier in the temperature-sensitive wax, thereby improves the mixture homogeneity of temperature-sensitive wax and copper powder, can reach simultaneously and slow down the settled speed of copper powder.
2,2-mercaptobenzothiazole---the two basic phenylpropyl alcohol plug azoles of giving birth can prevent between copper powder, temperature-sensitive wax, the compound the rotten candle of oxidation.
Embodiment
The preparation of the temperature-sensing wax mixture of embodiment 1 single temperature control scope
Add the polyisobutene that accounts for its gross weight 7% in the temperature-sensitive wax of single temperature control scope, mix the back and form blended wax, the stirring velocity of blended wax is controlled at 750 rev/mins, and solution time was controlled at 204 hours; Again blended wax and copper powder are mixed, this moment, blended wax accounted for 26% of gross weight, copper powder accounts for 74%, the temperature that the steel basin temperature is set in than the specified upper limit of temperature-sensitive wax temperature control scope improves 10 ℃ again, low whipping speed＜50 rev/min add copper powder down, and continuously stirring 8 hours adds 0.1～1% two basic phenylpropyl alcohol plug azoles of giving birth simultaneously again and evenly stirs on the basis of above-mentioned gross weight, prevent copper powder oxidation in blended wax, finally in steel basin, obtain the liquid temperature-sensing wax mixture of single temperature control scope.
The preparation of the temperature-sensing wax mixture of 2 two kinds of temperature control scopes of embodiment
Add the polyisobutene that accounts for its gross weight 4% separately in the temperature-sensitive wax of two kinds of different temperature control scopes, form two kinds of blended wax after the mixing respectively, the stirring velocity of two kinds of blended wax all is controlled at 150 rev/mins, and solution time all was controlled at 168 hours; Again two kinds of blended wax are mixed earlier, mix with copper powder again, this moment, two kinds of first blended blended wax accounted for 12% of its gross weight, copper powder accounts for 88%, the temperature that the steel basin temperature is set in the specified upper limit of higher a kind of temperature control scope in two kinds of different temperature control scope temperature-sensitive waxes improves 10 ℃ again, low whipping speed＜50 rev/min following the copper powder that adds, continuously stirring 4 hours, adding simultaneously 0.1～1% two basic phenylpropyl alcohol plug azoles of giving birth on the basis of above-mentioned gross weight more evenly stirs, prevent copper powder oxidation in blended wax, finally in steel basin, obtain the liquid temperature-sensing wax mixture of two kinds of temperature control scopes.
The preparation of embodiment temperature-sensing wax mixture of temperature control scope more than 3 three kinds and three kinds
In the temperature-sensitive wax of different temperature control scopes more than three kinds and three kinds, add the polyisobutene that accounts for its gross weight 10% separately, form blended wax more than three kinds and three kinds after the mixing respectively, the stirring velocity of blended wax all is controlled at 1500 rev/mins more than three kinds and three kinds, and solution time all was controlled at 240 hours; Again blended wax more than three kinds and three kinds is mixed earlier, mix with copper powder again, this moment, blended wax accounted for 40% of gross weight more than three kinds and three kinds, copper powder accounts for 60%, the steel basin temperature is set in more than three kinds and three kinds the temperature of the specified upper limit of higher a kind of temperature control scope improves 10 ℃ again in the different temperature-sensitive waxes, low whipping speed＜50 rev/min following the copper powder that adds, continuously stirring 12 hours, adding simultaneously 0.1～1% two basic phenylpropyl alcohol plug azoles of giving birth on the basis of above-mentioned gross weight more evenly stirs, prevent copper powder oxidation in blended wax, finally in steel basin, obtain the liquid temperature-sensing wax mixture of temperature control scope more than three kinds and three kinds.
The present invention does not limit to the above embodiment that says, used copper powder can be the red copper powder, can be brass powder yet, or the mixing copper powder of red copper powder and brass powder, but no matter the sort of copper powder is fine sheet.Different is that red copper powder specific conductivity is higher, and cost is bigger, and the brass powder specific conductivity is lower, and cost is less relatively.
When the thermal expansion force of temperature-sensing wax mixture and institute's mixing ratio were fixed on certain certain value, the variation of external force just directly had influence on the linear relationship of temperature and lift, otherwise external force is constant; The proportionlity of the temperature-sensitive wax adding copper powder of different temperature control scopes can change the linear relationship of temperature lift equally, so temperature-sensing element is by its specific curves of multiple factor affecting in temperature-sensing valve.
Temperature-sensing wax mixture and the mixing of copper powder are temperature-sensitive wax and the mutual blended of compound according to variant production, different temperature control scopes, production batching after proportionlity is determined drops in the tempering tank by given weight, can mix after the temperature of equipment and stirring velocity are transferred to regulation.
The mixing of temperature-sensitive wax and compound will mix respectively according to the trade mark, the temperature control scope of temperature-sensitive wax earlier, the temperature-sensitive wax wax of different temperature control scopes can not be mixed to mix with compound.But the temperature-sensitive wax of the different trades mark, temperature control scope can obtain final different mixture as required with after compound mixes, and this speed, time, temperature of stirring when mixing is relevant.
Claims (3)
1, a kind of preparation of temperature-sensing wax mixture, it is characterized in that: this process for preparation divides two ones to carry out, get certainweight, temperature-sensitive wax that the temperature control scope is identical earlier, add compound---the polyisobutene that accounts for its gross weight 4～10%, mix the back and form blended wax, the stirring velocity of blended wax is 150～1500 rev/mins, and solution time is 168～240 hours; Again blended wax and copper powder are mixed, this moment, blended wax accounted for 12～40% of gross weight, copper powder accounts for 60～88%, the temperature that the steel basin temperature is set in than the specified upper limit of temperature-sensitive wax temperature control scope improves 10 ℃ again, low whipping speed＜50 rev/min following the copper powder that adds, continuously stirring 1～12 hour, on the basis of above-mentioned gross weight, adding simultaneously 0.1～1% 2-mercaptobenzothiazole again---the two basic phenylpropyl alcohol plug azoles of giving birth evenly stir, prevent copper powder oxidation in blended wax, finally in steel basin, obtain liquid temperature-sensing wax mixture.
2, the preparation of temperature-sensing wax mixture as claimed in claim 1 is characterized in that: its blended wax and copper powder can be the blended wax of single temperature control scope before mixing, and also can be the blended wax of multiple temperature control scope.
3, the preparation of temperature-sensing wax mixture as claimed in claim 1 is characterized in that: its copper powder can be the red copper powder, also can be brass powder, or the mixing copper powder of red copper powder and brass powder, but no matter the sort of copper powder is fine sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810059330A CN101235205B (en) | 2008-01-23 | 2008-01-23 | Preparation of temperature-sensing wax mixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810059330A CN101235205B (en) | 2008-01-23 | 2008-01-23 | Preparation of temperature-sensing wax mixture |
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| Publication Number | Publication Date |
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| CN101235205A true CN101235205A (en) | 2008-08-06 |
| CN101235205B CN101235205B (en) | 2012-09-12 |
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| CN200810059330A Expired - Fee Related CN101235205B (en) | 2008-01-23 | 2008-01-23 | Preparation of temperature-sensing wax mixture |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059578A (en) * | 2013-01-22 | 2013-04-24 | 慈溪市东南复合材料有限公司 | Temperature-sensing wax mixture for temperature-sensing component |
| CN104774477A (en) * | 2015-03-24 | 2015-07-15 | 曲阜天博汽车零部件制造有限公司 | Composite temperature sensitive wax used in thermoregulator temperature-sensing element and preparation method thereof |
| CN113845779A (en) * | 2021-09-18 | 2021-12-28 | 瑞安市万泰汽车电器有限公司 | Composite temperature-sensing wax used in temperature-sensing element of electronic thermostat and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD240826A3 (en) * | 1980-11-04 | 1986-11-19 | Petrolchemisches Kombinat | TEMPERATURACTIVE EXPRESSION FOR HEATING BODY THERMOSTATS |
| US5709740A (en) * | 1996-02-23 | 1998-01-20 | Hoechst Celanese Corp. | Thermally expandable, viscosity modified wax compositions and method of use in actuators |
| CN1224644C (en) * | 2002-07-30 | 2005-10-26 | 中国石油化工股份有限公司 | Low-melting heat sensitive wax |
-
2008
- 2008-01-23 CN CN200810059330A patent/CN101235205B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059578A (en) * | 2013-01-22 | 2013-04-24 | 慈溪市东南复合材料有限公司 | Temperature-sensing wax mixture for temperature-sensing component |
| CN103059578B (en) * | 2013-01-22 | 2015-04-22 | 慈溪市东南复合材料有限公司 | Temperature-sensing wax mixture for temperature-sensing component |
| CN104774477A (en) * | 2015-03-24 | 2015-07-15 | 曲阜天博汽车零部件制造有限公司 | Composite temperature sensitive wax used in thermoregulator temperature-sensing element and preparation method thereof |
| CN104774477B (en) * | 2015-03-24 | 2018-01-23 | 曲阜天博汽车零部件制造有限公司 | A kind of compound temperature-sensing wax in thermosistor temperature-sensing element and preparation method thereof |
| CN113845779A (en) * | 2021-09-18 | 2021-12-28 | 瑞安市万泰汽车电器有限公司 | Composite temperature-sensing wax used in temperature-sensing element of electronic thermostat and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN101235205B (en) | 2012-09-12 |
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