CN103408936A - High-temperature insulating material for heater and preparation method thereof - Google Patents
High-temperature insulating material for heater and preparation method thereof Download PDFInfo
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- CN103408936A CN103408936A CN2013102165447A CN201310216544A CN103408936A CN 103408936 A CN103408936 A CN 103408936A CN 2013102165447 A CN2013102165447 A CN 2013102165447A CN 201310216544 A CN201310216544 A CN 201310216544A CN 103408936 A CN103408936 A CN 103408936A
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Abstract
The invention discloses a high-temperature insulating material for a heater. The high-temperature insulating material is prepared from the following ingredients in parts by weight: 75-90 parts of silicon rubber, 2-5 parts of calcium hydroxide, 5-10 parts of magnesia, 4-6 parts of calcium carbonate, 0.4-1.1 parts of polyethylene wax, 7-11 parts of carbon black and 1-3 parts of chlorinated paraffin. According to a preparation method of the high-temperature insulating material, silicon rubber is adopted as a main material, so that the high-temperature insulating material has a good high temperature resisting effect while excellent insulating performance is guaranteed, and the service life of a product is prolonged; and due to the addition of high-activity magnesia, the improvement on the activity of the material can be facilitated, and the use effect is enhanced. The high-temperature insulating material for the heater, prepared by the preparation method, has very good high temperature resistance, and the use temperature can reach 150-180 DEG C. By adopting the formula of the high-temperature insulating material, production resources of enterprises can be saved greatly, and the production cost for the enterprises is reduced.
Description
Technical field
The present invention relates to a kind of high temperature insulating material, particularly a kind of well heater high temperature insulating material, belong to the heater material field.
Background technology
Well heater is the electrothermal device of commonly using.Its volume is little, and heating power is high, is widely used in the fields such as household electrical appliances manufacture, machinofacture.Be accompanied by expanding economy, the progress of industry, people are more and more higher to the requirement of the use properties (as insulativity, high thermal resistance) of well heater, and the general insulating material that current well heater uses can not meet people's demand gradually.Now, the research of new type high temperature insulating material has more and more received people's concern.
Summary of the invention
The objective of the invention is in order to overcome above deficiency, provide a kind of well heater with high temperature insulating material and preparation method thereof, have fabulous high temperature resistant and insulating property.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of well heater high temperature insulating material, its moiety is counted as follows by weight:
Above-mentioned a kind of well heater high temperature insulating material, wherein, preferably composition is counted as follows by weight:
Above-mentioned a kind of well heater high temperature insulating material preparation method, wherein, described carbon black model is N339.
Above-mentioned a kind of well heater high temperature insulating material preparation method, wherein, described magnesium oxide is extra light calcined magnesia, relative molecular mass is 40.30.
Above-mentioned a kind of well heater high temperature insulating material preparation method, wherein, described clorafin is chlorinated paraffin-70, its molecular weight is 1100.
Above-mentioned a kind of well heater high temperature insulating material preparation method, wherein, the molecular weight of described polyethylene wax is 3700.
Above-mentioned a kind of well heater high temperature insulating material preparation method, wherein, preparation process is as follows:
In when the banburying temperature is 120-130 ℃, silicon rubber being added to Banbury mixer, simultaneously, in Banbury mixer, add calcium hydroxide and magnesium oxide; After mixing 3-7min, add calcium carbonate, polyethylene wax, carbon black: add clorafin after mixing 4-10min.150-165 ℃ of the scopes of mixing top temperature, at pressure 13-17KN, mix banburying under the condition of Banbury mixer rotating speed 50-55r/min, and mixing time is about 2h.
A kind of well heater high temperature insulating material preparation method disclosed by the invention, adopt silicon rubber as material of main part, when guaranteeing fabulous insulativity, also have good high-temperature resistant result, increase the work-ing life of product, extra light calcined magnesia can help improve material activity, strengthens result of use.A kind of well heater of manufacture of the present invention has very high high thermal resistance with high temperature insulating material, and use temperature can reach 180-200 ℃.Adopt formula of the present invention can greatly save the resources of production of enterprise, reduce the production cost of enterprise.
Embodiment
Described carbon black N339 of the present invention is purchased from Anyang with containing carbon black company limited; Described magnesium oxide is extra light calcined magnesia, purchased from the sharp rubber of this grace Science and Technology Ltd. in Luoyang.Described clorafin is purchased from the happy permanent chemical industry company limited in Guangdong.
Example one:
A kind of well heater preparation method of high temperature insulating material, its preparation method is as follows: in when the banburying temperature is 120-130 ℃, 85 parts of silicon rubber being added to Banbury mixer, simultaneously, in Banbury mixer, add 4 parts of calcium hydroxides and 5 parts of magnesium oxide; After mixing 3-7min, add 4 parts of calcium carbonate, 0.7 part of polyethylene wax, 9 parts of carbon blacks: after mixing 4-10min, add 3 parts of clorafins.150-165 ℃ of the scopes of mixing top temperature, at pressure 13-17KN, mix banburying under the condition of Banbury mixer rotating speed 50-55r/min, and mixing time is about 2h.
Performance index: use temperature can reach 200 ℃
Example two:
A kind of well heater preparation method of high temperature insulating material, its preparation method is as follows: in when the banburying temperature is 120-130 ℃, 78 parts of silicon rubber being added to Banbury mixer, simultaneously, in Banbury mixer, add 5 parts of calcium hydroxides and 9 parts of magnesium oxide; After mixing 3-7min, add 5 parts of calcium carbonate, 0.5 part of polyethylene wax, 8 parts of carbon blacks: after mixing 4-10min, add 1 part of clorafin.150-165 ℃ of the scopes of mixing top temperature, at pressure 13-17KN, mix banburying under the condition of Banbury mixer rotating speed 50-55r/min, and mixing time is about 2h.
Performance index: use temperature can reach 190 ℃
Example three:
A kind of well heater preparation method of high temperature insulating material, its preparation method is as follows: in when the banburying temperature is 120-130 ℃, 90 parts of silicon rubber being added to Banbury mixer, simultaneously, in Banbury mixer, add 3 parts of calcium hydroxides and 7 parts of magnesium oxide; After mixing 3-7min, add 6 parts of calcium carbonate, 0.9 part of polyethylene wax, 10 parts of carbon blacks: after mixing 4-10min, add 2 parts of clorafins.150-165 ℃ of the scopes of mixing top temperature, at pressure 13-17KN, mix banburying under the condition of Banbury mixer rotating speed 50-55r/min, and mixing time is about 2h.
Performance index: use temperature can reach 185 ℃
In sum, a kind of well heater high temperature insulating material of the present invention, adopt silicon rubber as material of main part, when guaranteeing fabulous insulativity, also has good high-temperature resistant result, increase the work-ing life of product, extra light calcined magnesia can help improve material activity, strengthens result of use.A kind of well heater of manufacture of the present invention has very high high thermal resistance with high temperature insulating material, and use temperature can reach 150-180 ℃.Adopt formula of the present invention can greatly save the resources of production of enterprise, reduce the production cost of enterprise.
The prepared a kind of well heater of the present invention performance data such as the following table of high temperature insulating material:
The prepared a kind of well heater of the table 1 the present invention performance data of high temperature insulating material
| Test event | Unit | Index |
| Dielectric strength | Kv/mm | 27 |
| Volume resistance | Ωcm | 10 16 |
| Body surface resistance | Ωcm | 10 15 |
| The highest lasting temperature | ℃ | 200 |
Here description of the invention and application is illustrative, wants that not therefore, the present invention is not subjected to the restriction of the present embodiment by scope restriction of the present invention in the above-described embodiments, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (7)
1. a well heater high temperature insulating material, is characterized in that, its moiety is counted as follows by weight:
75-90 parts, silicon rubber
2-5 parts, calcium hydroxide
5-10 parts, magnesium oxide
4-6 parts, calcium carbonate
0.4-1.1 parts of polyethylene waxs
7-11 parts of carbon blacks
1-3 parts of clorafins.
2. a kind of well heater high temperature insulating material formula as claimed in claim 1 is characterized in that:
85 parts, silicon rubber
4 parts, calcium hydroxide
5 parts, magnesium oxide
4 parts, calcium carbonate
0.7 part of polyethylene wax
9 parts of carbon blacks
3 parts of clorafins.
3. a kind of well heater high temperature insulating material formula as claimed in claim 1, is characterized in that, preparation process is as follows: in when the banburying temperature is 120-130 ℃, silicon rubber being added to Banbury mixer, simultaneously, in Banbury mixer, add calcium hydroxide and magnesium oxide; After mixing 3-7min, add calcium carbonate, polyethylene wax, carbon black: add clorafin after mixing 4-10min.
4. a kind of well heater high temperature insulating material preparation method as claimed in claim 3, is characterized in that, when mixing, and 150-165 ℃ of the scopes of melting temperature.
5. a kind of well heater high temperature insulating material preparation method as claimed in claim 3, is characterized in that, when mixing, pressure is 13-17KN.
6. a kind of well heater high temperature insulating material preparation method as claimed in claim 3, is characterized in that, when mixing, and Banbury mixer rotating speed 50-55r/min.
7. a kind of well heater high temperature insulating material preparation method as claimed in claim 3, is characterized in that, when mixing, mixing time is 2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310216544.7A CN103408936B (en) | 2013-05-31 | A kind of heater high temperature insulating material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310216544.7A CN103408936B (en) | 2013-05-31 | A kind of heater high temperature insulating material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103408936A true CN103408936A (en) | 2013-11-27 |
| CN103408936B CN103408936B (en) | 2016-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109722031A (en) * | 2017-10-31 | 2019-05-07 | 丹阳博亚新材料技术服务有限公司 | A kind of insulating materials of corrosion-resistant and high-temperature resistant |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585967A (en) * | 2009-02-20 | 2009-11-25 | 山东美晨科技股份有限公司 | Post vulcanization free silicon rubber formula |
| CN102220002A (en) * | 2010-04-15 | 2011-10-19 | 扬州亚光电缆有限公司 | Nanometer high-temperature resistant ceramic silica gel |
| CN102731848A (en) * | 2012-05-30 | 2012-10-17 | 芜湖荣基密封系统有限公司 | Wear-resistant multiple-rubber-mixed rubber sealing ring |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101585967A (en) * | 2009-02-20 | 2009-11-25 | 山东美晨科技股份有限公司 | Post vulcanization free silicon rubber formula |
| CN102220002A (en) * | 2010-04-15 | 2011-10-19 | 扬州亚光电缆有限公司 | Nanometer high-temperature resistant ceramic silica gel |
| CN102731848A (en) * | 2012-05-30 | 2012-10-17 | 芜湖荣基密封系统有限公司 | Wear-resistant multiple-rubber-mixed rubber sealing ring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109722031A (en) * | 2017-10-31 | 2019-05-07 | 丹阳博亚新材料技术服务有限公司 | A kind of insulating materials of corrosion-resistant and high-temperature resistant |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Inventor after: She Deyun Inventor before: Hong Jiansheng |
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Effective date of registration: 20161027 Address after: 212000 No. five peak mountain road, Dagang New District, Jiangsu, Zhenjiang 19 Applicant after: JIANGSU SUNTEXX MATERIALS CO.,LTD. Address before: 212212 Yangzhong Bridge Economic Development Zone, Jiangsu, Zhenjiang Applicant before: ZHENJIANG TIANXIN ELECTRICAL APPLIANCE Co.,Ltd. |
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Effective date of registration: 20220726 Address after: 212000 group 9, Lu Village, Guyang Town, Dantu District, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Shangtai New Material Co.,Ltd. Address before: 212000 No. 19, Wufengshan Road, Dagang, Zhenjiang New District, Jiangsu Province Patentee before: JIANGSU SUNTEXX MATERIALS CO.,LTD. |