CN1513925A - Inorganic galss insulating paint - Google Patents
Inorganic galss insulating paint Download PDFInfo
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- CN1513925A CN1513925A CNA021399530A CN02139953A CN1513925A CN 1513925 A CN1513925 A CN 1513925A CN A021399530 A CNA021399530 A CN A021399530A CN 02139953 A CN02139953 A CN 02139953A CN 1513925 A CN1513925 A CN 1513925A
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Abstract
An insulating paint of inorganic glass features that the low-smelting-point B2O3, PbO and LiO are used to lower the soft point of paint, the TiO2, ZnO, Al2O3 and SiO2 are used to increase the resistance to moisture and acid and the chemical stability, and the TiO2, ZnO, Al2O3 and the SiO2, Nb2O5 and GaO2 are used to lower the thermal expansion coefficient. Its advantages are high electric resistance and ionic field intensity, and low smelting point and expansion coefficient.
Description
The present invention relates to a kind of unorganic glass insulation compound, relate in particular to a kind of unorganic glass insulation compound with low melting point, low-expansion coefficient, high insulating property.
Zinc oxide resistance sheet is the core component of Zinc-Oxide Arrester, and Zinc-Oxide Arrester is the protection equipment of high voltage power transmission and transforming system.The important key factor of decision ZnO resistors tablet quality and performance is the insulating coating of resistor-piece side.At present, China's oxidation resistor disc is continued to use organosilicon as insulating coating always.Because the easy deliquescence of coating of this coating, ageing resistance is poor, causes the anti-high surge currents ability of zinc oxide resistance sheet coating, and unstable properties, thereby has influence on the quality and the performance of thunder arrester.Adopt traditional organosilicon coating, mainly by the bonding of zinc oxide resistance sheet self, the coating uniformity coefficient is not high for production oxidation resistor disc, combine not closely with zinc oxide resistance sheet, easily comes off in mobile, easily produces pore.Traditional unorganic glass coating or sealing-in material also have following shortcoming: the softening temperature of the coating of low thermal coefficient of expansion or sealing-in material is higher; The thermal expansivity of the coating of low softening point or sealing-in material is higher, and anti-high-insulativity is poor.
The objective of the invention is to avoid above-mentioned weak point of the prior art, and provide a kind of low melting point, low-expansion coefficient, high insulating property, be difficult for deliquescence, resistance to deterioration is strong, can effectively solve the unorganic glass insulation compound that reaches contradiction between high thermal expansivity and low softening point between low thermal expansivity and high softening-point.
Purpose of the present invention can reach by following measure:
A kind of unorganic glass insulation compound, its special character is: the weight percent of its main prescription consists of SiO
26-10%, B
2O
310-20%, PbO 50-62%, Al
2O
32-6%, ZnO 6-10%, TiO
22-5%, Nb
2O
50-8%, Li
2O 0-2%, GaO
20-10%, BaO 0-8%,
The optimum weight per-cent of above-mentioned prescription consists of SiO
26.5-9.0%, B
2O
312-17%, PbO 52-58%, Al
2O
33-5%, ZnO 7-9%, TiO
23-5%, Nb
2O
55-8%, Li
2O 0.2-1.0%, GaO
20.5-8%, BaO 0-6%,
A kind of technology of producing above-mentioned unorganic glass insulation compound, its special character is: this technology is
1. get raw material by prescription, mixing;
2. use the globars smelting furnace, 1000 ℃ ± 20 ℃ of temperature are founded into glass in quartz crucible;
3. the glass grinding powdered, promptly get the solid product glass powder;
4. the solid product glass powder is suspended in the organic solvent, promptly gets liquid product.
The present invention compared with prior art has following advantage:
1. softening temperature is low.Coating low-firing or sealing temperature are T=500-520 ℃ and get final product;
2. the coefficient of expansion is low, and the coefficient of linear thermal expansion of coating can be α=60 * 10
-7-70 * 10
-7/ ℃;
3. efficiently solve low thermal expansivity of coating or sealing-in material and the contradiction between high softening-point and high thermal expansivity and the contradiction between low softening point;
4. have high insulating property, can tolerate 61 kilo-ampere rush currents;
5. be suitable for insulating coating especially, can improve its anti-high surge currents ability greatly, thereby can increase substantially the quality and the performance of thunder arrester as Zinc-oxide resistor-piece side;
6. can be used for more low-expansion glass or ceramic seal, also can be used for the insulation sealing-in of circuit substrate;
7. paint coatings is difficult for deliquescence, and ageing resistance is strong, is difficult for puncturing;
8. antiacid, the alkali erosion of coating, chemical stability is good;
9. coating of the present invention can utilize the vacuum pump spraying coating process in use, coating uniformity coefficient height, and pore-free produces; Combine firmly closely difficult drop-off with the spraying body.
The invention will be further described below in conjunction with specific embodiment:
The weight percent that the present invention mainly fills a prescription is formed: SiO
26-10%, B
2O
310-20%, PbO 50-62%, Al
2O
32-6%, ZnO 6-10%, TiO
22-5%, Nb
2O
50-8%, Li
2O 0-2%, GaO
20-10%, BaO 0-8%.
The optimum weight per-cent that the present invention mainly fills a prescription is formed: SiO
26.5-9.0%, B
2O
312-17%, PbO 52-58%, Al
2O
33-5%, ZnO 7-9%, TiO
23-5%, Nb
2O
55-8%, Li
2O 0.2-1.0%, GaO
20.5-8%, BaO 0-6%.
The performance analysis of the main component of the present invention:
Utilize low melting point oxide B
2O
3, PbO, Li
2O reduces the softening temperature of coating, to satisfy the required low temperature of firing; With TiO
2, ZnO, Al
2O
3With the SiO that introduces
2Improve the moisture resistance of coating, acidproof and chemical stability; With TiO
2, ZnO, Al
2O
3With the SiO that introduces
2, Nb
2O
5, GaO
2Reduce the thermal expansivity of coating; An amount of oxide compound BaO, the CaO of introducing, it makes the present invention have high resistance on the one hand; The heavy ion field intensity that has of this type oxide itself can limit parent glass neutral and alkali ionic and move, thereby make coating have high insulating property on the other hand.SiO in the system component
2Content is in the 6-10% scope, if SiO
2Content is higher than 10%, and softening temperature of the present invention will significantly improve; If SiO
2Content is lower than 6.5%, and its chemical stability then can reduce, and thermal expansivity increases.B
2O
3Content is in the 10-20% scope, if B
2O
3Content is higher than 18%, and moisture resistance of the present invention, acid resistance descend, and is accompanied by the increase of thermal expansivity; If B
2O
3Content is lower than 10%, and then its softening temperature raises.PbO content is in the 50-62% scope, if PbO content is higher than 62%, moisture resistance of the present invention, acid resistance significantly descend, and is accompanied by the increase of thermal expansivity; If PbO content is lower than 50%, then its softening temperature raises.Al
2O
3Content is in the 2-6% scope, if Al
2O
3Content is higher than 6%, and softening temperature of the present invention significantly raises; If Al
2O
3Content is lower than 2%, the then increase of its thermal expansivity, and chemical stability reduces.ZnO content is in the 6-10% scope, if ZnO content is higher than 10%, softening temperature of the present invention significantly raises; If ZnO content is lower than 6%, then its moisture resistance, acid resistance descend, and chemical stability reduces.TiO
2Content is in the 2-5% scope, if TiO
2Content is higher than 5%, and softening temperature of the present invention significantly raises, the easy crystallization of coating; If TiO
2Content is lower than 2%, and then its moisture resistance, acid resistance descend, and chemical stability reduces, the increase of thermal expansivity.Nb
2O
5Content is in the 0-8% scope, if Nb
2O
5Content is higher than 8%, and softening temperature of the present invention raises, and chooses suitable Nb
2O
5Content can change under the little situation at its softening temperature then, improves its chemical stability, reduces thermal expansivity.Li
2O content should be in the 0-2% scope, if Li
2O content is higher than 2%, and thermal expansivity of the present invention enlarges markedly, and reduces the anti-insulating property of coating.Choose suitable Li
2O content in the scope that can allow at the thermal expansivity of coating, reduces the coating softening temperature.GaO
2Content should be in the 0-10% scope, an amount of GaO
2Also can regulate the chemical stability and the thermal expansivity of coating.Suitable BaO content can significantly suppress parent glass neutral and alkali ionic and move, thereby improves high insulating property of the present invention.
Production technique of the present invention:
1. get raw material by prescription of the present invention, mixing;
2. utilize the globars smelting furnace, under the temperature about 1000 ℃, in quartz crucible, found into glass;
3. again the glass grinding powdered, get solid product of the present invention.
4. also can utilize captain's molecular chain can block the principle of the sinking of glass powder, the solid product glass powder is suspended in the organic solvent, obtain organic liquid, liquid product promptly of the present invention.
5. use liquid product of the present invention can utilize the vacuum pump spraying coating process, paint coatings can be firmly, equably attached to the spraying surface, is fired into the glaze layer 500 ℃ ± 20 ℃ temperature ranges at last.
Claims (3)
1. unorganic glass insulation compound is characterized in that: the weight percent of its main prescription is formed and is comprised SiO
26-10%, B
2O
310-20%, PbO 50-62%, Al
2O
32-6%, ZnO 6-10%, TiO
22-5%, Nb
2O
50-8%, Li
2O 0-2%, GaO
20-10%, BaO 0-8%.
2. unorganic glass insulation compound as claimed in claim 1 is characterized in that: the weight percent of described prescription is formed and is comprised SiO
26.5-9.0%, B
2O
312-17%, PbO 52-58%, Al
2O
33-5%, ZnO 7-9%, TiO
23-5%, Nb
2O
55-8%, Li
2O 0.2-1.0%, GaO
20.5-8%, BaO 0-6%.
3. technology of producing the described unorganic glass insulation compound of claim 1, it is characterized in that: this production technique is as follows
1). get raw material by prescription, mixing;
2). use the globars smelting furnace, 1000 ℃ ± 20 ℃ of temperature are founded into glass in quartz crucible;
3). the glass grinding powdered, promptly get the solid product glass powder;
4). the solid product glass powder is suspended in the organic solvent, promptly gets liquid product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02139953 CN1252192C (en) | 2002-12-31 | 2002-12-31 | Inorganic galss insulating paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02139953 CN1252192C (en) | 2002-12-31 | 2002-12-31 | Inorganic galss insulating paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1513925A true CN1513925A (en) | 2004-07-21 |
| CN1252192C CN1252192C (en) | 2006-04-19 |
Family
ID=34231965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02139953 Expired - Fee Related CN1252192C (en) | 2002-12-31 | 2002-12-31 | Inorganic galss insulating paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1252192C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805125A (en) * | 2010-03-11 | 2010-08-18 | 西安创联轮德器件有限公司 | Insulating glass medium slurry for 430 stainless steel and preparation method thereof |
| CN102347093A (en) * | 2011-07-19 | 2012-02-08 | 彩虹集团公司 | Inorganic adhesive for silicon-based solar cell front silver paste and preparation method thereof |
| CN106684044A (en) * | 2016-12-19 | 2017-05-17 | 东莞珂洛赫慕电子材料科技有限公司 | Low-melting-point inorganic binder slurry for aluminum material, and preparation method of low-melting-point inorganic binder slurry |
| CN112708292A (en) * | 2020-12-24 | 2021-04-27 | 黄山市晶特美新材料有限公司 | Preparation method and application of low-expansion-coefficient glass slurry |
| CN113766681A (en) * | 2021-09-10 | 2021-12-07 | 厦门海洋芯科技有限公司 | Electric heating film electrode and electric heating body with same |
-
2002
- 2002-12-31 CN CN 02139953 patent/CN1252192C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805125A (en) * | 2010-03-11 | 2010-08-18 | 西安创联轮德器件有限公司 | Insulating glass medium slurry for 430 stainless steel and preparation method thereof |
| CN101805125B (en) * | 2010-03-11 | 2011-12-07 | 西安创联宏晟电子有限公司 | Insulating glass medium slurry for 430 stainless steel and preparation method thereof |
| CN102347093A (en) * | 2011-07-19 | 2012-02-08 | 彩虹集团公司 | Inorganic adhesive for silicon-based solar cell front silver paste and preparation method thereof |
| CN106684044A (en) * | 2016-12-19 | 2017-05-17 | 东莞珂洛赫慕电子材料科技有限公司 | Low-melting-point inorganic binder slurry for aluminum material, and preparation method of low-melting-point inorganic binder slurry |
| CN112708292A (en) * | 2020-12-24 | 2021-04-27 | 黄山市晶特美新材料有限公司 | Preparation method and application of low-expansion-coefficient glass slurry |
| CN112708292B (en) * | 2020-12-24 | 2021-12-14 | 黄山市晶特美新材料有限公司 | Preparation method and application of low-expansion-coefficient glass slurry |
| CN113766681A (en) * | 2021-09-10 | 2021-12-07 | 厦门海洋芯科技有限公司 | Electric heating film electrode and electric heating body with same |
| CN113766681B (en) * | 2021-09-10 | 2023-08-18 | 厦门海洋芯科技有限公司 | Electrothermal film electrode and electric heating body with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1252192C (en) | 2006-04-19 |
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