CN102476828B - Method for preparing zirconia heat insulation material by using eiderdown as template - Google Patents
Method for preparing zirconia heat insulation material by using eiderdown as template Download PDFInfo
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- CN102476828B CN102476828B CN 201010556196 CN201010556196A CN102476828B CN 102476828 B CN102476828 B CN 102476828B CN 201010556196 CN201010556196 CN 201010556196 CN 201010556196 A CN201010556196 A CN 201010556196A CN 102476828 B CN102476828 B CN 102476828B
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- CN
- China
- Prior art keywords
- eider down
- eiderdown
- solution
- template
- lagging material
- Prior art date
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- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000012774 insulation material Substances 0.000 title abstract 4
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000005245 sintering Methods 0.000 claims abstract description 18
- OERNJTNJEZOPIA-UHFFFAOYSA-N zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000002791 soaking Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 241000272525 Anas platyrhynchos Species 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 3
- 241000272814 Anser sp. Species 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- LBVWQMVSUSYKGQ-UHFFFAOYSA-J zirconium(4+) tetranitrite Chemical compound [Zr+4].[O-]N=O.[O-]N=O.[O-]N=O.[O-]N=O LBVWQMVSUSYKGQ-UHFFFAOYSA-J 0.000 abstract 3
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 4
- 206010013786 Dry skin Diseases 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- 241000271566 Aves Species 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to a method for preparing a zirconia heat insulation material by using eiderdown as a template, and belongs to the field of material science; natural eiderdown is used as a preparation template, and a zirconium nitrate solution is used as a soaking agent; and a zirconia heat insulation material with a maintained eiderdown dendritic structure is prepared; the method comprises the following steps: preparing a Zr(NO3)4 solution with a concentration of 5-10%; soaking eiderdown in the Zr(NO3)4 solution for 5 minutes-48 hours by using a soaking method; drying the eiderdown soaked with the Zr(NO3)4 solution in an oven at a temperature range of 50-100 DEG C for 3-48 hours; sintering the dried eiderdown in a sintering furnace at a temperature range of 600-1000 DEG C so as to prepare the zirconia (ZrO2) heat insulation material with the original eiderdown dendritic structure form. The invention has a simple process, and the obtained ZrO2 has the original eiderdown dendritic structure, and has excellent heat insulation effect and wide application prospects.
Description
Technical field
The invention belongs to a kind of method for preparing the zirconium white lagging material, particularly a kind of method of utilizing the birds eider down to prepare the zirconium white lagging material.
Background technology
Along with the continuous development of material preparation technology, utilize the animals and plants material to enjoy the investigator to pay close attention to for template prepares type material.Birds eider down structure presents a kind of arborizations structure, and as trunk, the suede sprig is distributed in staple on every side as branch to each root down fiber, the bifurcation shape and the trilateral inner complex that are distributing again on the suede sprig and varying in size with staple.This structure can implicit a large amount of still airs, and air is the poor conductor of heat, so this structure has excellent heat-proof quality to eider down and plays an important role.From chemical ingredients, eider down belongs to protein fiber, mainly is made up of amino acid.Zirconium white (ZrO
2) be a kind of important Industrial products, wherein fibrous ZrO
2Be mainly used in the heat-insulation and heat-preservation material, as can be used for flyer, spacecraft heat insulating member, battery diaphragm, various process furnace, etc. static pressure stove, insulation soaking pit furnace lining, atomic reactor lagging material etc.Traditional ZrO
2The fiber production method is more, makes as available pickling process, hybrid system, sol-gel method etc.The fiber that makes by traditional method is thread, and the smooth no divaricator of fiber surface is constructed fairly simple.Though these fiber accumulations have heat-insulating property preferably together, its structure pattern is unfavorable for locking air and obtains excellent heat-insulating property.There is limited evidence currently of has the people to study the ZrO of other patterns
2The performance of lagging material.
Summary of the invention
The object of the present invention is to provide a kind of with low cost, technology is simple, the eider down that utilizes easy and simple to handle, the finished product excellent property prepares the method for zirconium white lagging material as template.
The technical solution that realizes the object of the invention is: a kind of eider down that utilizes prepares the method for zirconium white lagging material as template, and step is as follows:
(1) with zirconium nitrate Zr (NO
3)
4Be preparation of raw material Zr (NO
3)
4Solution;
(2) eider down is immersed Zr (NO
3)
4Solution soaking;
(3) will be impregnated with Zr (NO
3)
4The eider down of solution toasts dry in baking oven;
(4) will place the sintering oven sintering through the eider down of step 3 drying, namely make the ZrO with the original arborizations structural form of eider down
2Lagging material.
The present invention compared with prior art, its remarkable advantage: technology is simple, required preparation temperature is lower, prepared ZrO
2Have the original arborizations structure of eider down, this structure is conducive to implicit a large amount of still air, can effectively bring into play ZrO
2Heat-blocking action, have wide research and application prospect.
Below in conjunction with accompanying drawing the present invention is described in further detail.
Description of drawings
Fig. 1 is the ZrO that utilizes eider down to make as template among the present invention
2The microscopic appearance figure of lagging material.
Fig. 2 is the down-like ZrO that records
2With traditional fibre shape ZrO
2The comparison diagram of thermal conductivity.
Embodiment
The present invention utilizes eider down to prepare the method for zirconium white lagging material as template, and step is as follows:
(1) with zirconium nitrate Zr (NO
3)
4Be preparation of raw material Zr (NO
3)
4Solution; Zirconium nitrate (Zr (NO
3)
4) mass concentration of solution is 5～10%.
(2) eider down is immersed Zr (NO
3)
4Solution soaking; Eider down is duck's down, goose down, wild duck down or VELVET, and the time of soaking eider down is 5 minutes～48 hours.
(3) will be impregnated with Zr (NO
3)
4The eider down of solution toasts dry in baking oven; The storing temperature of eider down in baking oven is 50～100 ℃, and be 3～48 hours time of drying.
(4) will place the sintering oven sintering through the eider down of step 3 drying, namely make the ZrO with the original arborizations structural form of eider down
2Lagging material.Wherein, the sintering temperature of dry eider down in sintering oven is 600～1000 ℃.
The principle that the present invention utilizes eider down to prepare the method for zirconium white lagging material as template is: eider down is through Zr (NO
3)
4After solution soaking and the oven dry, Zr (NO
3)
4Solute can evenly be wrapped in the eider down surface; Be enclosed with Zr (NO
3)
4Eider down in heat-processed, Zr (NO
3)
4Decomposition reaction can at first take place and form uniform ZrO on the eider down surface
2, and eider down is ablated in temperature-rise period subsequently, thus can obtain to keep the ZrO of the natural branching structure of eider down
2Lagging material.
Embodiment 1
The preparation mass percent concentration is 5%Zr (NO
3)
4Solution, dried eider down is immersed in the solution 5 minutes, and gentle agitation in addition, reach the purpose of accelerating the rate of dispersion of solution in eider down, eider down after soaking is squeezed except redundant solution in filter screen, put into loft drier then 50 ℃ of temperature range inner dryings 48 hours, dried eider down is placed crucible, 600 ℃ of sintering temperature oxidations make down-like ZrO in electric furnace
2Lagging material.The ZrO that makes
2The stereoscan photograph of microscopic appearance as shown in Figure 1, as seen from the figure, this material has kept the branching structure of eider down.This down-like ZrO that records
2With traditional fibre shape ZrO
2Thermal conductivity as shown in Figure 2, as seen from the figure, down-like ZrO
2The thermal conductivity of (5% solution, 600 ℃ of sintering) is starkly lower than traditional fibre shape ZrO
2, illustrate to have better effect of heat insulation.
Embodiment 2
The preparation mass percent concentration is 10%Zr (NO
3)
4Solution, dried eider down is immersed in the solution 48 hours, and gentle agitation in addition, reach the purpose of accelerating the rate of dispersion of solution in eider down, eider down after soaking is squeezed except redundant solution in filter screen, put into loft drier then 100 ℃ of temperature range inner dryings 3 hours, dried eider down is placed crucible, 1000 ℃ of sintering temperature oxidations make down-like ZrO in electric furnace
2Lagging material.This down-like ZrO that records
2With traditional fibre shape ZrO
2Thermal conductivity as shown in Figure 2, as seen from the figure, down-like ZrO
2The thermal conductivity of (10% solution, 1000 ℃ of sintering) is starkly lower than traditional fibre shape ZrO
2, illustrate to have better effect of heat insulation.
Embodiment 3
The preparation mass percent concentration is 7%Zr (NO
3)
4Solution, dried eider down is immersed in the solution 24 hours, and gentle agitation in addition, reach the purpose of accelerating the rate of dispersion of solution in eider down, eider down after soaking is squeezed except redundant solution in filter screen, put into loft drier then 75 ℃ of temperature range inner dryings 25 hours, dried eider down is placed crucible, 800 ℃ of sintering temperature oxidations make down-like ZrO in electric furnace
2Lagging material.This down-like ZrO that records
2With traditional fibre shape ZrO
2Thermal conductivity as shown in Figure 2, as seen from the figure, down-like ZrO
2The thermal conductivity of (7% solution, 800 ℃ of sintering) is starkly lower than traditional fibre shape ZrO
2, illustrate to have better effect of heat insulation.
Claims (5)
1. one kind is utilized eider down to prepare the method for zirconium white lagging material as template, it is characterized in that step is as follows:
(1) with zirconium nitrate Zr (NO
3)
4Be preparation of raw material Zr (NO
3)
4Solution;
(2) eider down is immersed Zr (NO
3)
4Solution soaking;
(3) will be impregnated with Zr (NO
3)
4The eider down of solution toasts dry in baking oven;
(4) will place the sintering oven sintering through the eider down of step 3 drying, namely make the ZrO with the original arborizations structural form of eider down
2Lagging material.
2. the eider down that utilizes according to claim 1 prepares the method for zirconium white lagging material as template, it is characterized in that: in step (1), and zirconium nitrate (Zr (NO
3)
4) mass concentration of solution is 5～10%.
3. the eider down that utilizes according to claim 1 prepares the method for zirconium white lagging material as template, and it is characterized in that: in step (2), eider down is duck's down, goose down, wild duck down or VELVET, and the time of soaking eider down is 5 minutes～48 hours.
4. the eider down that utilizes according to claim 1 prepares the method for zirconium white lagging material as template, and it is characterized in that: in step (3), the storing temperature of eider down in baking oven is 50～100 ℃, and be 3～48 hours time of drying.
5. the eider down that utilizes according to claim 1 prepares the method for zirconium white lagging material as template, and it is characterized in that: in step (4), the sintering temperature of dry eider down in sintering oven is 600～1000 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010556196 CN102476828B (en) | 2010-11-24 | 2010-11-24 | Method for preparing zirconia heat insulation material by using eiderdown as template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010556196 CN102476828B (en) | 2010-11-24 | 2010-11-24 | Method for preparing zirconia heat insulation material by using eiderdown as template |
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| Publication Number | Publication Date |
|---|---|
| CN102476828A CN102476828A (en) | 2012-05-30 |
| CN102476828B true CN102476828B (en) | 2013-08-14 |
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|---|---|---|---|
| CN 201010556196 Expired - Fee Related CN102476828B (en) | 2010-11-24 | 2010-11-24 | Method for preparing zirconia heat insulation material by using eiderdown as template |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106187117B (en) * | 2016-07-12 | 2019-05-24 | 南京理工宇龙新材料科技股份有限公司 | A kind of heat-barrier material and preparation method thereof based on branch construct aluminium oxide |
| CN106242587A (en) * | 2016-07-13 | 2016-12-21 | 南京理工宇龙新材料科技股份有限公司 | A kind of high performance heat-barrier material compositions and preparation method thereof |
| CN106350898B (en) * | 2016-08-24 | 2019-01-04 | 南京理工大学 | A kind of preparation method of hollow zirconium fiber |
| CN109942312A (en) * | 2019-04-17 | 2019-06-28 | 南京理工大学 | A method of porous zirconium dioxide thermal insulation ceramics are obtained using pomelo peel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007153736A (en) * | 2002-07-12 | 2007-06-21 | Shimane Univ | Method for producing stabilized zirconia fiber and stabilized zirconia fiber |
| CN100336585C (en) * | 2003-09-05 | 2007-09-12 | 同济大学 | Bionic nano superstructure material preparation method using white envelope as model |
| CN101265100B (en) * | 2008-04-25 | 2010-09-15 | 北京工业大学 | Method for preparing macropore-mesopore Ce1-xZrxO2 solid solution |
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| Publication number | Publication date |
|---|---|
| CN102476828A (en) | 2012-05-30 |
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Granted publication date: 20130814 |