CN1296315C - Ceramic powder with infrared radiation and bacteria inhibiting function and its preparing method - Google Patents
Ceramic powder with infrared radiation and bacteria inhibiting function and its preparing method Download PDFInfo
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- CN1296315C CN1296315C CNB2004100608600A CN200410060860A CN1296315C CN 1296315 C CN1296315 C CN 1296315C CN B2004100608600 A CNB2004100608600 A CN B2004100608600A CN 200410060860 A CN200410060860 A CN 200410060860A CN 1296315 C CN1296315 C CN 1296315C
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Abstract
The present invention relates to ceramic powder of a solid solution cordierite system with infrared radiating and bacteria inhibiting functions and a preparing method for the ceramic powder. The ceramic powder is mainly composed of Al2O3, SiO2, MgO and ZnO (or TiO2) which are mixed according to a certain proportion to be prepared to the white ceramic powder of a solid solution cordierite system by means of a ceramic processing technology. Through the certification of infrared radioactivity tests, the ceramic powder of the present invention has 0.87 to 0.90 of normal whole waveband radiation rate, 0.90 to 0.94 of radiation rate at 8 to 25 mum of wavebands, 0.88 to 0.94 of radiation rate at 8 to 14 mum and 0.91 to 0.94 of radiation rate at 14 to 25 mum. Through the certification of bacteria inhibiting function detection, the infrared radiation ceramic powder of the present invention has obvious inhibiting action on urea sarcina and staphylococcus aureus and has 84.1% to 100% of bacteria inhibiting rate. The present invention has the advantages of simple preparation method, low raw material cost and wide application field and can be applied to infrared inner wall coatings, infrared ceramic glazed tiles, infrared textile fabrics, infrared health-care articles, agricultural films, fresh food keeping films, etc.
Description
Technical field
The present invention relates to a kind of solid solution trichroite system ceramic powder and preparation method thereof, belong to the infrared radiant material field with infra red radiation function and bacteria resistance function.
Background technology
The infrared radiation ceramic material is that a kind of employing oxide compound is a raw material, adopts ceramic processing technology to be prepared from, and has stupalith than high radiant rate at infrared band.Infrared energy is absorbed by object, and heat effect is the key character of ir radiation.When ir radiation acts on human body, can and change into heat energy, distend the blood vessels, improving blood flow, improve cell and biological enzyme activity, transfer and strengthen the immunological competence of human body self, thereby ir radiation can play medical care effect by skin absorption.In addition, because ir radiation has certain penetration power, can the penetration cell wall, destroy the environment of bacterial body metabolism and growth and breeding, so ir radiation has certain bacteriostatic action.In recent years, the infrared radiation ceramic material is used widely at aspects such as energy-conservation heating and drying, infrared textile fabric, infrared health product, agricultural film, antistaling film, ir radiation material of construction.People such as Zhu Xiaoping, Rao Rui develops the infrared radiant material (seeing that " infrared technique " rolled up 36～39 pages of the 1st phases in 1998 20, rolled up 65～69 pages of the 1st phases in 1999 13 " material Leader ") of excellent property.But generally adopted Fe in the infrared radiation ceramic material of excellent property at present
2O
3, Mn
2O
3, Co
2O
3, CuO, Cr
2O
3, transition metal oxide such as NiO, not only raw materials cost is higher, and infrared radiant material is black or dark color, limits and has influenced the application of infrared radiant material in some fields.
Summary of the invention
It is white that problem to be solved by this invention provides a kind of color, have ceramic powder of better infrared radiation property and bacteria resistance function and preparation method thereof.
Technical scheme of the present invention is: a kind of infrared radiation ceramic material, it mainly consists of 38～42%Al
2O
3, 40～46%SiO
2, 10～16%MgO, 1～10%ZnO (or 1～11%TiO
2), after various compositions mix in the above-mentioned compositing range, adopt ceramic processing technology to prepare the infrared radiation ceramic material.Above-mentioned per-cent all is weight percentage.
The present invention also provides the preparation method of above-mentioned infrared radiation ceramic, adopts Al
2O
3, SiO
2, MgO, ZnO (or TiO
2) mix by a certain percentage for raw material, wet ball grinding 8～16 hours, material: ball: the ratio of water is 1: 2: 1.5, and is dry under 80～100 ℃, puts into corundum crucible then, in 1320～1420 ℃ of temperature ranges, carry out solid phase synthesis, the solid phase synthesis time is 2～6 hours, forms the white synthetic product of Zn (or Ti) solid solution cordierite structure, and synthetic product grinds to form fine powder, cross 200～500 mesh sieves, make the ceramic powder that granularity is 10～30 μ m.
Prove through the ir radiation property testing, ceramic powder of the present invention has good infrared radiation property, its normal direction all wave band radiant ratio is 0.87～0.90, the radiant ratio of 8 μ m～25 mu m wavebands is 0.90～0.94, the radiant ratio of 8 μ m～14 mu m wavebands is that the radiant ratio of 0.88～0.94,14 μ m～25 mu m wavebands is 0.91～0.94.
Detection through bacteria resistance function proves that infrared radiation ceramic material of the present invention has tangible bacteriostatic action to sarcina ureae, streptococcus aureus.The basic skills that bacteria resistance function detects is: the disk shape sample that the infrared radiation ceramic material is pressed into Φ 13 * 2mm; Adopt sarcina ureae, streptococcus aureus for detecting bacterial classification, be seeded in the beef extract-peptone nutrient solution, be cultured to logarithmic phase; Get the medium centrifugal collecting cell, with stroke-physiological saline solution washing 2 times, be suspended in the physiological saline, vibration is even, plate count; Get the above-mentioned bacteria suspension of 3ml, put into aseptic vial, add disk shape ceramic powder sample, live bacterial count is carried out in sampling after 24～48 hours, and calculates bacteriostasis rate.Detected result shows that the infrared radiation ceramic material reaches 84.1%～100% to the bacteriostasis rate of above-mentioned bacterial classification.
The raw materials used common raw material that is of the present invention, and the preparation method is simple, thereby cost of the present invention is lower.
Ceramic powder of the present invention has good infrared radiation property and significant bacteria resistance function, and ceramic powder is a white, applied range is specially adapted to infrared products such as ir radiation dope for inner wall of architecture, infrared radiation ceramic glaze face brick, infrared textile fabric, infrared health articles for use.
Description of drawings
Fig. 1: solid solution cordierite bodies series ceramic material synthesis process flow diagram with infra red radiation function and bacteria resistance function.
Embodiment
Embodiment 1: be 40.1%Al by weight percentage
2O
3, 43.3%SiO
2, 15.0%MgO, 1.6%ZnO prescription, various compositions are mixed, wet ball grinding 16 hours, material: ball: the ratio of water is 1: 2: 1.5, slip is dry down at 80～100 ℃, put into crucible then 1400 ℃ of following solid phase synthesis 4 hours, the solid phase synthesis product is crossed 250 mesh sieves after grinding, make the whiteware powder.
The normal direction all wave band radiant ratio of ceramic powder is that the radiant ratio of 0.89,8 μ m～25 mu m wavebands is that the radiant ratio of 0.92,8 μ m～14 mu m wavebands is that the radiant ratio of 0.90,14 μ m～25 mu m wavebands is 0.94.Ceramic powder is 100% to the bacteriostasis rate of sarcina ureae, is 86.7% to the bacteriostasis rate of streptococcus aureus.
Embodiment 2～embodiment 7:
| Raw material | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Embodiment 7 |
| Al 2O 3 | 38.5％ | 39.7％ | 41.8％ | 40.7％ | 39.1％ | 38.2％ |
| SiO 2 | 41.6％ | 42.0％ | 45.7％ | 43.0％ | 40.9％ | 44.3％ |
| MgO | 10.7％ | 14.1％ | 10.9％ | 15.3％ | 12.3％ | 15.7％ |
| ZnO | 9.2％ | 4.2％ | 1.6％ | / | / | / |
| TiO 2 | / | / | 1.0％ | 7.7％ | 1.8％ |
Above per-cent all is weight percentage.Can obtain the infrared radiation ceramic material of correspondence with reference to the method for example 1 by above proportioning.
Claims (2)
1, the ceramic powder that has ir radiation and bacteria resistance function is characterized in that the proportioning of Zn solid solution trichroite system ceramic powder is 38～42%Al by weight percentage
2O
3, 40～46%SiO
2, 10～16%MgO, 1～10%ZnO; The proportioning of Ti solid solution trichroite system ceramic powder is 38～42%Al by weight percentage
2O
3, 40～46%SiO
2, 10～16%MgO, 1～11%TiO
2, the various compositions in the above-mentioned compositing range are mixed the back adopt ceramic processing technology to make the Zn solid solution trichroite system ceramic powder or the Ti solid solution trichroite system ceramic powder of white.
2, according to the described preparation method of claim 1 with ceramic powder of ir radiation and bacteria resistance function, it is characterized in that by the described proportioning of claim 1 with raw material mix, ball milling, drying, high temperature solid-state synthesize, grind and sieve, make the infrared radiation ceramic material, wherein: wet ball grinding 8～16 hours, material: ball: the ratio of water is 1: 2: 1.5, dry down at 80～100 ℃, the solid phase synthesis temperature is 1320～1420 ℃, the solid phase synthesis time is 2～6 hours, ceramic powder is crossed 200～500 mesh sieves, and the granularity of powder is 10～30 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100608600A CN1296315C (en) | 2004-09-16 | 2004-09-16 | Ceramic powder with infrared radiation and bacteria inhibiting function and its preparing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100608600A CN1296315C (en) | 2004-09-16 | 2004-09-16 | Ceramic powder with infrared radiation and bacteria inhibiting function and its preparing method |
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| Publication Number | Publication Date |
|---|---|
| CN1587190A CN1587190A (en) | 2005-03-02 |
| CN1296315C true CN1296315C (en) | 2007-01-24 |
Family
ID=34603605
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100608600A Expired - Fee Related CN1296315C (en) | 2004-09-16 | 2004-09-16 | Ceramic powder with infrared radiation and bacteria inhibiting function and its preparing method |
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|---|---|
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010185B (en) * | 2010-09-28 | 2014-04-23 | 景德镇博智陶瓷有限公司 | Thermostable white nano far-infrared ceramic powder and preparation method thereof |
| CN102701746B (en) * | 2012-05-14 | 2014-02-19 | 武汉理工大学 | Preparation method of infrared radiation ceramic powder in spinel-silicate multi-phase composite system |
| CN103053617A (en) * | 2012-09-14 | 2013-04-24 | 方孝贤 | Preparation method and application antimicrobial liquid |
| CN106630989B (en) * | 2017-01-06 | 2019-08-16 | 盐城工学院 | A kind of high IR emissivity ceramics and preparation method thereof |
| CN115926551A (en) * | 2022-11-02 | 2023-04-07 | 杭州明敏涂料有限公司 | Cordierite infrared reflection heat insulation coating and preparation process thereof |
| CN117720340A (en) * | 2024-02-06 | 2024-03-19 | 内蒙古华宸再生资源科技有限公司 | High-silicon functional porcelain and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053784A (en) * | 1991-03-23 | 1991-08-14 | 李冬绮 | Far-infrared ceramic and manufacture method thereof |
| US5166102A (en) * | 1989-10-18 | 1992-11-24 | Ceramiques Et Composites | Glass compositions containing oxygen and nitrogen and production of nitroceramics/vetroceramics composites therefrom |
| CN1247174A (en) * | 1998-09-04 | 2000-03-15 | 江西省萍乡市化工填料(集团)公司 | High-strength antiwear ceramic sheet and its making method |
| CN1284977A (en) * | 1997-12-03 | 2001-02-21 | 纳尔科化学公司 | Cross-linded polyamide binders for ceramics manufacture |
| JP2002220256A (en) * | 2001-01-22 | 2002-08-09 | Asahi Glass Co Ltd | Lead-free glass, electronic circuit board composition, and the electronic circuit board |
-
2004
- 2004-09-16 CN CNB2004100608600A patent/CN1296315C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5166102A (en) * | 1989-10-18 | 1992-11-24 | Ceramiques Et Composites | Glass compositions containing oxygen and nitrogen and production of nitroceramics/vetroceramics composites therefrom |
| CN1053784A (en) * | 1991-03-23 | 1991-08-14 | 李冬绮 | Far-infrared ceramic and manufacture method thereof |
| CN1284977A (en) * | 1997-12-03 | 2001-02-21 | 纳尔科化学公司 | Cross-linded polyamide binders for ceramics manufacture |
| CN1247174A (en) * | 1998-09-04 | 2000-03-15 | 江西省萍乡市化工填料(集团)公司 | High-strength antiwear ceramic sheet and its making method |
| JP2002220256A (en) * | 2001-01-22 | 2002-08-09 | Asahi Glass Co Ltd | Lead-free glass, electronic circuit board composition, and the electronic circuit board |
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| Publication number | Publication date |
|---|---|
| CN1587190A (en) | 2005-03-02 |
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