CN105272168A - Formula and preparation method of fusible amorphous porcelain powder - Google Patents
Formula and preparation method of fusible amorphous porcelain powder Download PDFInfo
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- CN105272168A CN105272168A CN201410334854.3A CN201410334854A CN105272168A CN 105272168 A CN105272168 A CN 105272168A CN 201410334854 A CN201410334854 A CN 201410334854A CN 105272168 A CN105272168 A CN 105272168A
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- porcelain powder
- amorphous
- meltable
- meltable amorphous
- porcelain
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Abstract
The invention relates to a formula and a preparation method of fusible amorphous porcelain powder. The formula comprises, by weight, 8-27% of lithium oxide (Li2O), 23-36% of lead oxide (PbO), 9-33% of phosphorous pentoxide (P2O5), 7-29% of diboron trioxide (B2O3), 3-16% of silica (SiO2), and 0-0.5% of copper oxide (CuO). The fusible amorphous porcelain powder prepared in the invention has the advantages of low sintering and softening temperature, concise and reasonable technology, low cost, market competitiveness, short time for sintering film formation, wide application range, and suitableness for batch production.
Description
Technical field
The present invention relates to ceramics powder material prescription and preparation method, particularly one meltable amorphous porcelain powder.
Background technology
Meltable amorphous porcelain powder belongs to a kind of ceramics powder of full-inorganic material---ceramic membrane-forming agent, and be a kind of key foundation material preparing heatproof functional film layer by sintering film forming, purposes is extremely wide; A kind of meltable amorphous porcelain powder of the present invention, adds different functional stuffings and after sintering film forming, can be used for preparing (inorganic sintered type) silver base conductive electrode, the resistive conductive layer of carbon back, inorganic insulation layer, inorganic far infrared layer; Technology on probation is at present generally inorganic sintered type membrane-forming agent, although performance is fine, but because sintering temperature will at 700-1000 degree, most ground and functional stuffing cannot bear this high temperature, thus significantly limit the range of application of inorganic sintered type membrane-forming agent; And organic drying-type membrane-forming agent, general poor-performing, there is easy moisture absorption, easily drift about, easily go mouldy, easily aging, the life-span is short, the inherent defect such as unstable, can only in the applications of very low temperature (less than 120 degrees Celsius); Performance is slightly better, as polyimide resin, can tolerate 200 degrees Celsius, but cost is very high, and film-forming process is consuming time very long, generally all needs more than 24 hours.
Summary of the invention
The object of the invention is to, a kind of meltable amorphous porcelain powder of inorganic is provided, its sintering softening temperature (sintering film temperature into) is 280-580 degree Celsius, sintering film forming speed is fast, the force of cohesion of rete and the firm binding force of ground, and its material aging life-span is not long, technique is simple and convenient, be applicable to batch production.
Technical scheme of the present invention: a kind of meltable amorphous porcelain powder, its chemical component weight percentage composition is:
Titanium dioxide lithium (Li2O): 8%-----27%;
Plumbous oxide (PbO): 23%----36%;
Vanadium Pentoxide in FLAKES (P2O5): 9%-----33%;
Boron trioxide (B2O3): 7%----29%;
Silicon-dioxide (SiO2): 3%-----16%;
Cupric oxide (CuO): 0-----0.5%.
Preferably, described chemical composition raw material can adopt corresponding oxide solid powder, also can adopt the corresponding carbonate of each oxide compound, vitriol, oxyhydroxide.
Preferably, the granularity of described meltable amorphous porcelain powder is 150 order-600 orders.
A kind of meltable amorphous porcelain powder, its manufacture craft comprises the following steps:
(1) be scaled raw material according to chemical equivalent, whole raw material is through pulverizing and by 80 mesh standard sieves;
(2) all raw material is strictly weighed by proportioning and after mixing, is carefully mixed, must ensure that its unevenness is less than 2%, finally add additive cupric oxide and mix through mixer;
(3) above-mentioned obtained material is carried out high―temperature nuclei in van-type retort furnace, use high alumina crucible, clay crucible or chemical porcelain crucible, pyroreaction continues more than 40 minutes;
(4) after discharging through pulverize ball milling, cross 300 film standard sieves, namely made meltable amorphous porcelain powder;
(5) can use after the sintering softening temperature of last test meltable amorphous porcelain powder.
Preferably, in described step (2), Vanadium Pentoxide in FLAKES (P2O5) and titanium dioxide lithium (Li2O) easier moisture absorption, should guard against damp.
Preferably, the high―temperature nuclei temperature of described meltable amorphous porcelain powder is 700---1000 degree Celsius.Preferably, the sintering softening temperature of described meltable amorphous porcelain powder is 280---580 degree Celsius.
The present invention compared with prior art, has the following advantages:
(1) under the prerequisite of possessing equal in quality, the sintering softening temperature of described meltable amorphous porcelain powder is lower, solve the large difficult point of current techniques one, major part ground (as category of glass, ceramic-like, metal species, synthetic mica class) and the lower functional stuffing (as Graphite Powder 99) of heatproof all can be suitable for, and sintering film forming speed is fast, only needs 8-16 minute;
(2) the present invention is all inorganic, and high temperature resistant, not aging, the life-span is long;
(3), after the present invention sinters film forming, the force of cohesion of rete is firm, with the firm binding force of ground;
(4) film-forming process when the present invention applies is simple and convenient, is applicable to adopting silk-screen printing technique film forming, easily and fast, evenly, is applicable to batch production;
(5) cost of the present invention is low, and average consumptive material is few, possesses the larger market competitiveness.
Accompanying drawing explanation
Fig. 1 is fabrication processing of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation, but be not limiting the scope of the invention.
The formula that embodiment 1. the present embodiment adopts is:
Vanadium Pentoxide in FLAKES (P
2o
5): 26%; Titanium dioxide lithium (Li
2o) 30%; Plumbous oxide (PbO) 18%; Boron trioxide (B
2o
3) 16%; Silicon-dioxide (SiO
2) 9%; Cupric oxide (CuO) 1%; Can directly adopt corresponding oxide solid powder as raw material, the solid powder that also can adopt the corresponding carbonate of each oxide compound, vitriol, oxyhydroxide etc. is raw material (being scaled raw material according to chemical equivalent), whole raw material must through pulverizing and by 80 mesh standard sieves, Vanadium Pentoxide in FLAKES (P
2o
5) and titanium dioxide lithium (Li
2o) easier moisture absorption, should guard against damp, and cupric oxide (CuO) is additive, should finally add, and whole raw material is strictly weighed by proportioning and after mixing, carefully must mix through mixer, its unevenness should be less than 2%; High―temperature nuclei can carry out in van-type retort furnace, use high alumina crucible, clay crucible or chemical porcelain crucible, the temperature of the present embodiment high―temperature nuclei is 790 degrees Celsius, the time of pyroreaction generally should continue more than 40 minutes, and the feature reacted completely is that the melting charge in crucible is evenly clarified, and can stir if desired with stainless steel bar, through pulverizing ball milling after discharging, cross 300 film standard sieves, namely complete the preparation of meltable amorphous porcelain powder, can use after testing the sintering softening temperature of meltable amorphous porcelain powder.The sintering softening temperature of meltable amorphous porcelain powder prepared by the present embodiment is 380-400 degree Celsius.
The formula that embodiment 2. the present embodiment adopts is:
Vanadium Pentoxide in FLAKES (P
2o
5): 29%; Titanium dioxide lithium (Li
2o) 33%; Plumbous oxide (PbO) 21%; Boron trioxide (B
2o
3) 9%; Silicon-dioxide (SiO
2) 6%; Cupric oxide (CuO) 2%; Making processes is identical with embodiment 1, but the present embodiment high―temperature nuclei temperature is 720 degrees Celsius, and sintering softening temperature prepared by the present embodiment is 320-340 degree Celsius.
The formula that embodiment 3. the present embodiment adopts is:
Vanadium Pentoxide in FLAKES (P
2o
5): 25%; Titanium dioxide lithium (Li
2o) 28%; Plumbous oxide (PbO) 17%; Boron trioxide (B
2o
3) 18%; Silicon-dioxide (SiO
2) 11%; Cupric oxide (CuO) 1%; Making processes is identical with embodiment 1, but the high―temperature nuclei temperature of the present embodiment is 820 degrees Celsius, and sintering softening temperature prepared by the present embodiment is 420-440 degree Celsius.
Claims (7)
1. a meltable amorphous porcelain powder, is characterized in that: chemical component weight percentage composition is:
Titanium dioxide lithium (Li2O): 8%-----27%;
Plumbous oxide (PbO): 23%----36%;
Vanadium Pentoxide in FLAKES (P2O5): 9%-----33%;
Boron trioxide (B2O3): 7%----29%;
Silicon-dioxide (SiO2): 3%-----16%;
Cupric oxide (CuO): 0-----0.5%.
2. one according to claim 1 meltable amorphous porcelain powder, is characterized in that: the raw material of described chemical composition can adopt corresponding oxide solid powder, also can adopt the corresponding carbonate of each oxide compound, vitriol, oxyhydroxide.
3. one according to claim 1 meltable amorphous porcelain powder, is characterized in that: the granularity of described meltable amorphous porcelain powder is 150 order-600 orders.
4. the making method of a kind of meltable amorphous porcelain powder according to claim 1, comprises the following steps:
(1) convert as raw material according to chemical equivalent, whole raw material is through pulverizing and by 80 mesh standard sieves;
(2) all raw material is strictly weighed by proportioning and is carefully mixed through mixer after mixing, and must ensure that its unevenness is less than 2%, finally adds additive cupric oxide and mix;
(3) above-mentioned obtained material is carried out high―temperature nuclei in van-type retort furnace, use high alumina crucible, clay crucible or chemical porcelain crucible, pyroreaction continues more than 40 minutes;
(4) after discharging through pulverize ball milling, cross 300 film standard sieves, namely made meltable amorphous porcelain powder;
(5) can use after the sintering softening temperature of last test meltable amorphous porcelain powder.
5. one according to claim 4 meltable amorphous porcelain powder, is characterized in that: Vanadium Pentoxide in FLAKES (P2O5) and titanium dioxide lithium (Li2O) easier moisture absorption in described step (2).
6. one according to claim 4 meltable amorphous porcelain powder, is characterized in that: the high―temperature nuclei temperature of described meltable amorphous porcelain powder is 700---1000 degree Celsius.
7. one according to claim 4 meltable amorphous porcelain powder, is characterized in that: the sintering softening temperature of described meltable amorphous porcelain powder is 280---580 degree Celsius.
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| CN201410334854.3A CN105272168A (en) | 2014-07-15 | 2014-07-15 | Formula and preparation method of fusible amorphous porcelain powder |
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|---|---|---|---|
| CN201410334854.3A CN105272168A (en) | 2014-07-15 | 2014-07-15 | Formula and preparation method of fusible amorphous porcelain powder |
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| CN105272168A true CN105272168A (en) | 2016-01-27 |
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| CN201410334854.3A Pending CN105272168A (en) | 2014-07-15 | 2014-07-15 | Formula and preparation method of fusible amorphous porcelain powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237378A (en) * | 2016-08-05 | 2016-12-21 | 四川北极光口腔医疗器械有限公司 | A kind of preparation method planting use baking-ceramic tooth |
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| US6348424B1 (en) * | 1998-11-11 | 2002-02-19 | Nec Corporation | Low-temperature calcined glass ceramic and a manufacturing process therefor |
| JP2002087843A (en) * | 2000-09-11 | 2002-03-27 | Asahi Glass Co Ltd | Low melting point glass |
| CN103771715A (en) * | 2013-08-06 | 2014-05-07 | 浙江光达电子科技有限公司 | Glass dust for back silver paste of solar battery and preparation method of glass dust |
| CN104748538A (en) * | 2013-12-25 | 2015-07-01 | 汇力恒通（厦门）远红外科技有限公司 | Low-temperature infrared radiation panel |
-
2014
- 2014-07-15 CN CN201410334854.3A patent/CN105272168A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6348424B1 (en) * | 1998-11-11 | 2002-02-19 | Nec Corporation | Low-temperature calcined glass ceramic and a manufacturing process therefor |
| JP2002087843A (en) * | 2000-09-11 | 2002-03-27 | Asahi Glass Co Ltd | Low melting point glass |
| CN103771715A (en) * | 2013-08-06 | 2014-05-07 | 浙江光达电子科技有限公司 | Glass dust for back silver paste of solar battery and preparation method of glass dust |
| CN104748538A (en) * | 2013-12-25 | 2015-07-01 | 汇力恒通（厦门）远红外科技有限公司 | Low-temperature infrared radiation panel |
Non-Patent Citations (1)
| Title |
|---|
| 丁骁: "硅太阳电池正银浆料配方和性能研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237378A (en) * | 2016-08-05 | 2016-12-21 | 四川北极光口腔医疗器械有限公司 | A kind of preparation method planting use baking-ceramic tooth |
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