CN105435732B - Getter for vacuum heat-insulating plate and vacuum heat-insulating plate - Google Patents
Getter for vacuum heat-insulating plate and vacuum heat-insulating plate Download PDFInfo
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- CN105435732B CN105435732B CN201410604804.2A CN201410604804A CN105435732B CN 105435732 B CN105435732 B CN 105435732B CN 201410604804 A CN201410604804 A CN 201410604804A CN 105435732 B CN105435732 B CN 105435732B
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Abstract
The application provides a getter for a vacuum insulation panel, which comprises an outer packaging bag and powder in the outer packaging bag; the powder comprises: a first powder which is an oxide mixture or a composite oxide formed of at least two of manganese dioxide, manganese sesquioxide, manganous oxide, copper oxide, cerium oxide, cobaltous oxide, aluminum oxide, zinc oxide, and silver oxide; and the drying agent comprises one or more of alkaline earth metal oxide, soda lime, phosphorus pentoxide, chloride and bromide. The getter has good air suction effect, does not need an activation process, and is safe and convenient to use and operate. The application also provides a vacuum insulation panel, which comprises the getter, has excellent vacuum insulation effect, and is safe and convenient to use and operate and low in cost.
Description
The present application claims priority of chinese patent application entitled "getter for vacuum insulation panel and vacuum insulation panel" filed by chinese patent office on 25/09/2014 under 201410496280.X, the entire contents of which are incorporated herein by reference.
Technical Field
The application belongs to the technical field of vacuum insulation, and particularly relates to a getter for a vacuum insulation panel and the vacuum insulation panel.
Background
A Vacuum Insulation Panel (VIP) is one of Vacuum Insulation materials, is formed by compounding a filling core material and a Vacuum protection layer, and mainly comprises three components: core insulation material (may be referred to as a core material), gas barrier film (may be referred to as a gas barrier layer), and gas absorbing material (getter, may be referred to as a getter). The vacuum heat insulation plate can effectively avoid heat transfer caused by air convection, so that the heat conductivity coefficient can be greatly reduced and is less than 0.003 w/m.k; and the material does not contain any ODS (Ozone Depleting substrates) material, has the characteristics of environmental protection, high efficiency and energy saving, and is one of the most advanced high-efficiency heat-insulating materials in the world at present. Compared with other materials, the vacuum insulation panel has extremely low heat conductivity coefficient, has the advantages of thin thickness, small volume, light weight and the like when the heat preservation technical requirements are the same, is suitable for products with higher energy-saving requirements, is mainly applied to the field of heat preservation and heat insulation, is applied to household refrigerators, yacht refrigerators, mini refrigerators, vehicle-mounted refrigerators, deep cooling freezers, electric water heaters, vending machines, freezing boxes, refrigerated containers, building wall body heat preservation, LNG storage and transportation (liquefied natural gas storage and transportation) and the like, and has great technical and economic significance.
In the production process of the vacuum insulation panel, a small amount of gas residue is generated; during the use process of the vacuum insulation panel, a small amount of gas enters the vacuum insulation panel through the gas barrier film; meanwhile, the core material of the vacuum insulation panel can release some gas in the using process; these gases include nitrogen, oxygen, water vapor, hydrogen, carbon dioxide, and the like. Therefore, the getter is one of the compositions of the vacuum insulation panel, and is a metal or non-metal material capable of absorbing residual gas molecules in a vacuum environment, that is, capable of absorbing the gas molecules by physical adsorption or chemical action, so as to maintain the vacuum degree of the vacuum insulation panel, reduce the heat transfer efficiency of the gas molecules in the vacuum insulation panel, thereby maintaining the heat conduction absorption of the vacuum insulation panel in a low range, and playing a role in heat insulation and heat preservation.
The getter is generally in a metal powder sintered porous structure, and the common getter used for vacuum insulation panels at present is in a bag shape and a pressed sheet shape. The prior art discloses various getters for vacuum insulation panels, for example, chinese patent application No. 201210521610.7 discloses a composite getter for vacuum insulation panels and a preparation method thereof, wherein the composite getter comprises a barium-lithium alloy getter and a non-evaporable getter, wherein the barium-lithium getter and the non-evaporable getter are mixed or layered and are placed inside a desiccant; or comprises a metal carrier and a desiccant layer containing barium lithium BaLi4Getter and non-evaporable getterEncapsulated in a metal carrier; and (5) after high-temperature activation in vacuum, vacuum packaging.
The getter comprises barium-lithium getter, desiccant and the like, and can complete the activation process in production. However, barium-lithium alloy has very high chemical activity, severe oxidation reaction in air, explosion when meeting water, so that the operation process is dangerous, and the getter needs to be activated, so the method procedure is complicated and is not beneficial to application.
Disclosure of Invention
In view of this, the present application provides a getter for a vacuum insulation panel and a vacuum insulation panel, and the getter for a vacuum insulation panel provided by the present application does not need any activation process, and is safe and convenient to use and operate.
The application provides a getter for a vacuum insulation panel, which comprises an outer packaging bag and powder in the outer packaging bag; the powder comprises:
a first powder which is an oxide mixture or a composite oxide formed of at least two of manganese dioxide, manganese sesquioxide, manganous oxide, copper oxide, cerium oxide, cobaltous oxide, aluminum oxide, zinc oxide, and silver oxide; and
the drying agent comprises one or more of alkaline earth metal oxide, soda lime, phosphorus pentoxide, chloride and bromide.
Preferably, the first powder is a composite oxide formed of at least two of copper oxide, manganese dioxide, cobalt oxide, silver oxide, and cerium oxide.
Preferably, the mass ratio of the drying agent to the first powder is 0.99: 0.01-0.5: 0.5.
Preferably, the desiccant comprises an alkaline earth metal oxide.
Preferably, the powder further comprises:
a non-evaporable getter powder which is a Zr-based alloy, a Y-based alloy or a Ti-based alloy.
Preferably, the mass of the non-evaporable getter powder is comprised between 2% and 40% of the total mass of the powder.
Preferably, the particle size of the powder is 300 to 6000 meshes.
Preferably, the outer packaging bag is made of a material with the density of more than 0.94g/cm3The high density polyethylene of (1).
The present application also provides a vacuum insulation panel comprising a getter as described above.
Compared with the prior art, the getter for the vacuum insulation panel mainly comprises an outer packaging bag and powder in the outer packaging bag, wherein the powder comprises first powder and a drying agent; the first powder is an oxide mixture or a composite oxide, and the oxide mixture or the composite oxide is formed by at least two of manganese dioxide, manganese sesquioxide, manganous manganic oxide, copper oxide, cerium dioxide, cobaltous oxide, cobaltous sesquioxide, aluminum oxide, zinc dioxide and silver oxide; the drying agent comprises one or more of alkaline earth metal oxide, soda lime, phosphorus pentoxide, chloride and bromide. The getter provided by the application is of a bag-shaped structure and has a good gas absorption effect. The getter does not contain extremely active metal elements, and has low operation and use dangers; in addition, the getter provided by the application can absorb air at room temperature without any activation process, and is simple and convenient to use and low in cost.
The vacuum insulation panel provided by the application comprises the getter for the vacuum insulation panel, so that the vacuum insulation panel not only has an excellent vacuum insulation effect, but also is safe and convenient to use and operate, and is low in cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a cross-sectional view of a getter for a vacuum insulation panel according to an embodiment of the present application;
fig. 2 is a plan view of a getter for a vacuum insulation panel according to an embodiment of the present application;
FIG. 3 is a comparison of post-ALT thermal conductivity of vacuum insulation panels made according to examples 1 and 2 of the present application and comparative example 1;
fig. 4 is a graph comparing the post-ALT rise of the vacuum insulation panels made according to examples 1 and 2 and comparative example 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The application provides a getter for a vacuum insulation panel, which comprises an outer packaging bag and powder in the outer packaging bag; the powder comprises:
a first powder which is an oxide mixture or a composite oxide formed of at least two of manganese dioxide, manganese sesquioxide, manganous oxide, copper oxide, cerium oxide, cobaltous oxide, aluminum oxide, zinc oxide, and silver oxide; and
the drying agent comprises one or more of alkaline earth metal oxide, soda lime, phosphorus pentoxide, chloride and bromide.
The getter for the vacuum insulation panel is a bag-shaped structure without activating the getter, and the inside of the getter is powder. The getter is put into a core material of the vacuum heat insulation plate to be packaged together, so that the effects of absorbing residual gas and maintaining vacuum degree can be achieved, time and labor are saved, and the use is very convenient; the getter has an obvious absorption effect on hydrogen in the vacuum insulation panel, so that the vacuum degree in the vacuum insulation panel can be well reduced, and the heat conductivity coefficient is reduced; meanwhile, the performance is stable and the safety is higher.
Referring to fig. 1 and 2, fig. 1 is a cross-sectional view of a getter for a vacuum insulation panel according to an embodiment of the present application; fig. 2 is a plan view of a getter for a vacuum insulation panel according to an embodiment of the present invention. In fig. 1, 1 is a high density polyethylene bag, 2 is powder, and 3 is an edge seal.
The getter for the vacuum insulation panel comprises an outer packaging bag 1 and an edge sealing 3. The outer packaging bag is used for packaging, sealing and protecting contents. Preferably, the outer packaging bag is made of a material having a density of more than 0.94g/cm3The high density polyethylene of (1). In the embodiment of this application, the material of outside wrapping bag is dupont paper, and this kind of material can be ventilative water proof, can absorb steam well, can prevent liquid rivers again and go out, still has light in weight, tough and durable characteristic. The outer packing bag is commercially available, and the size of the outer packing bag is not particularly limited in this application and can be processed according to the size and performance requirements of the vacuum insulation panel, etc. As shown in fig. 2, the embodiment of the present application provides a getter product having a length of 100mm and a width of 70 mm. In addition, the thickness of the getter product provided by the embodiment of the application is very thin, a groove and the like do not need to be processed on a core material during application, the use is convenient, and the heat insulation effect of the vacuum heat insulation plate is not adversely affected.
In the outer packing bag 1, the getter for vacuum insulation panel provided in the present application comprises powder 2. In the present application, the particle size of the powder is preferably 300 to 6000 mesh, more preferably 400 to 5000 mesh, and most preferably 500 to 2000 mesh; the amount of the powder can be adjusted according to the performance requirements of the vacuum insulation panel.
In the present application, the powder includes a first powder which is an oxide mixture or a composite oxide formed of at least two of manganese dioxide, manganese sesquioxide, manganomanganic oxide, copper oxide, cerium oxide, cobaltosic oxide, aluminum sesquioxide, zinc oxide, and silver oxide. The getter can play a good role in air suction, especially can have an obvious absorption effect on hydrogen in a vacuum insulation panel, can better reduce the vacuum degree in the vacuum insulation panel, and reduces the heat conductivity coefficient. The getter does not contain extremely active metal elements, and has low operation and use dangers; in addition, the getter provided by the application can absorb air at room temperature without any activation process such as a high-temperature activation process and the like, and is simple and convenient to use and low in cost.
In the present application, the first powder may be an oxide mixture or a composite oxide composed of manganese dioxide (MnO)2) Manganese oxide (Mn)2O3) Manganomanganic oxide (Mn)3O4) Copper oxide (CuO), cerium oxide (CeO)2) Cobaltosic oxide (Co)3O4) Cobalt oxide (Co)2O3) Aluminum oxide (Al)2O3) Zinc oxide (ZnO)2) And silver oxide (Ag)2O), preferably at least two of copper oxide, manganese dioxide, cobaltous oxide, silver oxide and cerium oxide.
When the first powder is the above-mentioned oxide mixture, the ratio of the mixture is not particularly limited, and may be, for example, 3% to 95%. The first powder is preferably the composite oxide, and the gas absorption effect is better; the composite oxide is preferably formed of at least two of copper oxide, manganese dioxide, cobaltous oxide, silver oxide and cerium oxide, and more preferably a composite oxide of copper oxide and manganese dioxide, a composite oxide of copper oxide, manganese dioxide, cobaltous oxide and silver oxide, and a composite oxide of copper oxide and cerium oxide. The molecular composition and particle size of the composite oxide are not particularly limited, and in one embodiment of the present application, the first powder is a composite oxide of copper oxide and manganese dioxide, wherein the mass ratio of copper oxide to manganese dioxide is 0.4: 0.6; the first powder had a particle size of 300 mesh. The source of the composite oxide is not particularly limited, and the composite oxide can be obtained from the market, such as a commercial product sold in hopcalite; it can also be prepared by self-preparation, such as coprecipitation method, adsorption-impregnation method, sol-gel method, etc.
In addition to the first powder, the powder 2 in the outer packaging bag 1 of the getter of the present application comprises a desiccant which can absorb mainly the moisture and carbon dioxide in the residual gas of the vacuum insulation panel. The drying agent comprises one or more of alkaline earth metal oxide, soda lime, phosphorus pentoxide, chloride and bromide, preferably comprises alkaline earth metal oxide, more preferably calcium oxide or a mixture of calcium oxide and magnesium oxide, and most preferably calcium oxide.
In the present application, the particle size of the drying agent is preferably 300 to 6000 mesh, more preferably 400 to 3000 mesh, and most preferably 500 to 1000 mesh. The proportion between the drying agent and the first powder is important, and too much drying agent is not beneficial to absorbing hydrogen and carbon monoxide; too little desiccant is used, and the effect of absorbing water vapor and carbon dioxide is poor. In the present application, the mass ratio of the desiccant to the first powder is preferably 0.99:0.01 to 0.5:0.5, more preferably 0.93:0.07 to 0.6:0.4, more preferably 0.93:0.07, 0.9:0.1 or 0.8:0.2, and most preferably 0.93: 0.07.
Preferably, said powders in the getter of the present application also comprise non-evaporable getter powders, preferably Zr-based, Y-based or Ti-based alloys, more preferably Zr-based or Ti-based alloys, most preferably Zr-based alloys; the main function of the vacuum insulation panel is to further absorb hydrogen, carbon monoxide, carbon dioxide, oxygen and the like in the vacuum insulation panel. In the embodiment of the application, the alloy consists of at least two of Zr, Ti, V, Mn, Fe, Ni, Co, Re (rare earth), Y, Al and Cu, wherein the mass content of Zr in the Zr-based alloy is 60-95%, and the content of other elements in the alloy is 5-40%; the mass content of Ti in the Ti-based alloy is 55-96%, and the content of other elements in the alloy is 4-45%. Preferably, the mass of the non-evaporable getter powder is comprised between 2% and 40%, more preferably between 5% and 35%, of the total mass of the powder.
In the present application, the method for preparing the getter for the vacuum insulation panel preferably includes the steps of:
mixing the first powder and a desiccant in the presence of a first protective gas to obtain a powder;
and packaging the powder into a bag by using the material of an external packaging bag in the presence of a second protective gas to obtain the getter for the vacuum insulation panel.
In the embodiment of the application, firstly, the drying agent and the first powder are mixed under the protection of the first protective gas, and preferably mixed for 4 to 5 hours to obtain the powder. Wherein the first protective gas is preferably nitrogen or an inert gas such as argon; the mixing is a technique known to those skilled in the art, and the present application is not particularly limited.
After the powder is obtained, the getter is preferably packaged into a bag by using an automatic packaging machine under the protection of a second protective gas by using the material of an external packaging bag, so that the getter for the vacuum insulation panel is obtained. Wherein the second protective gas is preferably nitrogen or an inert gas such as argon, and the second protective gas is preferably the same kind as the first protective gas. The packaging into bags by using an automatic packaging machine is a common technical means in the field, and the application is not particularly limited.
After the getter is obtained, the getter is placed into a getter performance test bench to be tested for getter performance, and the method is national standard GB/T25497-. Test results show that the getter for the vacuum insulation panel has excellent gas absorption capacity of absorbing hydrogen, carbon monoxide, oxygen and the like.
The present application also provides a vacuum insulation panel comprising a getter as described above.
The vacuum insulation panel provided by the application comprises the getter for the vacuum insulation panel, so that the vacuum insulation panel not only has an excellent vacuum insulation effect, but also is safe and convenient to use and operate, and is low in cost.
The vacuum insulation panel further comprises a core material and a gas barrier layer, and the vacuum insulation panel can be commonly used in the field, and the application is not particularly limited.
The core material, the gas barrier layer and the getter are assembled according to a method commonly used in the art to manufacture a vacuum insulation panel. Herein, the size, quality, etc. of the vacuum insulation panel are not particularly limited.
This application is right vacuum insulation panel carries out ageing tests, and the ageing condition is: the sample is aged in a constant temperature and humidity box, the temperature is 80 ℃, and the humidity is 70 RH. The result shows that the vacuum insulation panel can maintain a low heat conductivity coefficient and has excellent vacuum insulation performance. Meanwhile, the vacuum insulation panel has the advantages of safe and convenient use and operation, low cost and the like.
For further explanation of the present application, the following examples are provided to specifically describe the getter for vacuum insulation panel and the vacuum insulation panel, but they should not be construed as limiting the scope of the present application.
In the following examples, the first powder is a commercial product of hopcalite having a particle size of 300 mesh.
Example 1
Under the protection of inert gas, according to the ratio of 0.93:0.07, mixing the calcium oxide and the first powder for 4 hours, and then packaging the mixture into a bag by using DuPont paper under the protection of inert gas to obtain a getter for the vacuum insulation panel; wherein the first powder is CuO and MnO2And the mass ratio of the two is 0.4: 0.6.
the getter for the vacuum insulation panel was subjected to a getter performance test according to the method described above. The results showed that the hydrogen absorption capacity reached 6.1 Pa.L/mg (the amount of gas that can be absorbed per mg of powder), and the carbon monoxide and oxygen absorption capacities were 3.1 Pa.L/mg and 2.4 Pa.L/mg, respectively.
Assembling the getter, the core material and the gas barrier layer to obtain a vacuum insulation panel; the core material is glass fiber, and the gas barrier layer is a composite aluminum foil bag.
The vacuum insulation panels (designated as L07 for a101B) were subjected to an aging test as described above. The results are shown in table 1, fig. 3 and fig. 4, where table 1 is the aging comparative experimental data of the vacuum insulation panels manufactured in examples 1 and 2 and comparative example 1, fig. 3 is a comparative graph of the thermal conductivity after ALT of the vacuum insulation panels manufactured in examples 1 and 2 and comparative example 1, and fig. 4 is a comparative graph of the thermal conductivity after ALT of the vacuum insulation panels manufactured in examples 1 and 2 and comparative example 1. Wherein, ALT is English abbreviation of Accelerated life test.
Example 2
Under the protection of inert gas, according to the ratio of 0.9:0.1, mixing the calcium oxide and the first powder for 4 hours, and then packaging the mixture into a bag by using DuPont paper under the protection of inert gas to obtain a getter for the vacuum insulation panel; wherein the first powder is CuO or MnO2、Co2O3And Ag2A composite oxide of O, and the mass ratio of the four is 0.3: 0.5: 0.15: 0.05.
the getter for the vacuum insulation panel was subjected to a getter performance test according to the method described above. The results showed that the hydrogen absorption capacity was 6.5 Pa.L/mg, and the carbon monoxide and oxygen absorption capacities were 3.2 Pa.L/mg and 2.2 Pa.L/mg, respectively.
The getters were assembled according to the method of example 1 to obtain a vacuum insulation panel. The vacuum insulation panels (designated as L08 for B103B) were subjected to aging tests as described above and the results are shown in table 1, fig. 3 and fig. 4.
Comparative example 1
A commercially available getter product (SMARTCOMBO product supplied by SAES company, italy) was assembled according to the method of example 1 to obtain a vacuum insulation panel. The vacuum insulation panels (marked as standards, corresponding to standard values) were subjected to aging tests as described above, and the results are shown in table 1, fig. 3 and fig. 4.
TABLE 1 comparative experimental data on aging of vacuum insulation panels manufactured in examples 1 and 2 and comparative example 1 of the present application
As can be seen from table 1, fig. 3 and fig. 4, after different aging times, the thermal conductivity and the gas pressure of the vacuum insulation panels added with the getter samples of examples 1 and 2 and comparative example 1 were increased to different extents, but the thermal conductivity and the gas pressure of the vacuum insulation panels added with the getter of examples 1 and 2 were increased to a smaller extent than those of the standard sample of comparative example 1. The getter product in the embodiment of the application can well maintain the air pressure value in the vacuum heat insulation plate, maintains the lower heat conductivity coefficient of the getter product and has better performance.
Example 3
Under the protection of inert gas, according to the ratio of 0.8:0.2, mixing the drying agent and the first powder for 4 hours, and then packaging the mixture into a bag by using DuPont paper under the protection of inert gas to obtain a getter for the vacuum insulation panel; wherein the first powder is CuO and CeO2And the mass ratio of the two is 0.8: 0.2; the drying agent is a mixture of calcium oxide and magnesium oxide, and the mass ratio of the calcium oxide to the magnesium oxide is 0.9: 0.1.
the getter for the vacuum insulation panel was subjected to a getter performance test according to the method described above. The results showed that the hydrogen absorption capacity was 5.5 Pa.L/mg, and the carbon monoxide and oxygen absorption capacities were 4.1 Pa.L/mg and 3.2 Pa.L/mg, respectively.
Example 4
Under the protection of inert gas, according to the ratio of 0.8:0.1: mixing the drying agent, the first powder and the non-evaporable getter powder Zr-V-Fe alloy for 4 hours at a mass ratio of 0.1, and packaging the mixture into a bag by using DuPont paper under the protection of inert gas to obtain a getter for the vacuum insulation panel; wherein the first powder is CuO and CeO2And the mass ratio of the two is 0.8: 0.2; the drying agent is a mixture of calcium oxide and magnesium oxide, and the mass ratio of the calcium oxide to the magnesium oxide is 0.9: 0.1.
the getter for the vacuum insulation panel was subjected to a getter performance test according to the method described above. The results showed that the hydrogen absorption capacity was 5.2 Pa.L/mg, and the carbon monoxide and oxygen absorption capacities were 4.5 Pa.L/mg and 3.9 Pa.L/mg, respectively.
Wherein the non-evaporable getter powder Zr-V-Fe alloy is prepared by melting 80% of Zr, V and Fe in total by 20% in a vacuum arc furnace and then crushing under the protection of inert gas.
As can be seen from the above embodiments, the getter for the vacuum insulation panel provided by the present application mainly comprises a drying agent and a first powder, wherein the first powder is an oxide mixture or a composite oxide, and the oxide mixture or the composite oxide is formed by at least two of manganese dioxide, manganese sesquioxide, manganese tetraoxide, copper oxide, cerium dioxide, cobaltosic oxide, aluminum oxide, zinc dioxide, and silver oxide; the drying agent comprises one or more of alkaline earth metal oxide, soda lime, phosphorus pentoxide, chloride and bromide. The getter has better gettering effect, does not contain extremely active metal elements, and has low operation and use dangerousness; in addition, the getter provided by the application can absorb air at room temperature without any activation process, and is simple and convenient to use and low in cost. The vacuum insulation panel provided by the application comprises the getter for the vacuum insulation panel, so that the vacuum insulation panel not only has an excellent vacuum insulation effect, but also is safe and convenient to use and operate, and is low in cost.
Claims (3)
1. A getter for a vacuum insulation panel comprises an outer packaging bag and powder in the outer packaging bag; the granularity of the powder is 300-6000 meshes;
the powder consists of a first powder and a desiccant; the first powder is a composite oxide of copper oxide and manganese dioxide, and the drying agent is calcium oxide; the mass ratio of the drying agent to the first powder is 0.93: 0.07; or the first powder is a composite oxide of copper oxide, manganese dioxide, cobaltous oxide and silver oxide, and the drying agent is calcium oxide; the mass ratio of the drying agent to the first powder is 0.9: 0.1; or the first powder is a composite oxide of copper oxide and cerium dioxide, and the drying agent is a mixture of calcium oxide and magnesium oxide; the mass ratio of the drying agent to the first powder is 0.8: 0.2;
alternatively, the powder consists of a first powder, a desiccant and a non-evaporable getter powder; the first powder is a composite oxide of copper oxide and cerium dioxide, the drying agent is a mixture of calcium oxide and magnesium oxide, and the non-evaporable getter powder is a Zr-based alloy; the mass ratio of the drying agent to the first powder to the non-evaporable getter powder is 0.8:0.1: 0.1.
2. The getter of claim 1, wherein the outer package is made of a material having a density greater than 0.94g/cm3The high density polyethylene of (1).
3. Vacuum insulation panel, characterized in that it comprises a getter according to any of claims 1 to 2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410604804.2A CN105435732B (en) | 2014-09-25 | 2014-10-31 | Getter for vacuum heat-insulating plate and vacuum heat-insulating plate |
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| CN201410496280 | 2014-09-25 | ||
| CN201410496280X | 2014-09-25 | ||
| CN201410604804.2A CN105435732B (en) | 2014-09-25 | 2014-10-31 | Getter for vacuum heat-insulating plate and vacuum heat-insulating plate |
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| CN105435732B true CN105435732B (en) | 2020-03-24 |
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| JP6986332B2 (en) * | 2016-04-28 | 2021-12-22 | 三星電子株式会社Samsung Electronics Co., Ltd. | Insulation materials, vacuum heat insulating materials, their manufacturing methods and refrigerators equipped with them |
| CN109569216A (en) * | 2018-12-28 | 2019-04-05 | 青岛海尔股份有限公司 | Getter and preparation method thereof and vacuum heat-insulating plate with it |
| CN109692652A (en) * | 2019-02-20 | 2019-04-30 | 西华大学 | A kind of normal-temperature nano composite getter |
| CN112604642A (en) * | 2020-11-24 | 2021-04-06 | 重庆再升科技股份有限公司 | Getter for vacuum insulation panel and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4687640A (en) * | 1985-11-08 | 1987-08-18 | Figgie International Inc. | Chlorine gas filtering material suitable for use in a chemical oxygen generator |
| CN1210618A (en) * | 1996-02-09 | 1999-03-10 | 工程吸气公司 | Comibination of materials for low temperature triggering of activation of getter materials and getter devices containing the same |
| CN102941056A (en) * | 2012-12-07 | 2013-02-27 | 南京善工真空电子有限公司 | Composite degasser for vacuum heat insulation plate and preparation method of composite degasser |
| CN103994304A (en) * | 2014-04-01 | 2014-08-20 | 福建赛特新材股份有限公司 | Normal temperature composite getter device for vacuum heat insulation plate |
| CN104066502A (en) * | 2011-12-27 | 2014-09-24 | 工程吸气公司 | Getter devices containing a combination of getter materials |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1263965B (en) * | 1993-02-24 | 1996-09-05 | Getters Spa | VACUUM INSULATED SHIRT SUITABLE FOR THERMAL CONTAINERS CONTAINING LIQUIDS AND IN PARTICULAR AQUOUS AND / OR ORGANIC LIQUIDS |
| CA2152833A1 (en) * | 1994-07-06 | 1996-01-07 | Timothy A. Neeser | Vacuum insulation panel and method for manufacturing |
| IT1271207B (en) * | 1994-07-07 | 1997-05-27 | Getters Spa | DEVICE FOR THE MAINTENANCE OF THE VACUUM IN THERMALLY INSULATING SPACES AND PROCEDURE FOR ITS PRODUCTION |
| IT1277457B1 (en) * | 1995-08-07 | 1997-11-10 | Getters Spa | COMBINATION OF GETTER MATERIALS AND RELATED DEVICE |
| EP1101237B2 (en) * | 1999-06-02 | 2017-08-16 | SAES GETTERS S.p.A. | Composite materials capable of hydrogen sorption independently from activating treatments and methods for the production thereof |
| US6428612B1 (en) * | 2001-04-19 | 2002-08-06 | Hughes Electronics Corporation | Hydrogen getter package assembly |
| US20120009376A1 (en) * | 2010-07-12 | 2012-01-12 | Rusek Jr Stanley J | Vacuum Insulation Panel, Insulated Masonry Structure Comprising Same, And Method Of Construction |
| KR101859234B1 (en) * | 2012-04-30 | 2018-05-18 | 주식회사 케이씨씨 | Combination getter for vacuum insulation material and vacuum insulation material comprising the same |
-
2014
- 2014-10-31 CN CN201410605421.7A patent/CN105617976A/en active Pending
- 2014-10-31 CN CN201410604804.2A patent/CN105435732B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4687640A (en) * | 1985-11-08 | 1987-08-18 | Figgie International Inc. | Chlorine gas filtering material suitable for use in a chemical oxygen generator |
| CN1210618A (en) * | 1996-02-09 | 1999-03-10 | 工程吸气公司 | Comibination of materials for low temperature triggering of activation of getter materials and getter devices containing the same |
| CN104066502A (en) * | 2011-12-27 | 2014-09-24 | 工程吸气公司 | Getter devices containing a combination of getter materials |
| CN102941056A (en) * | 2012-12-07 | 2013-02-27 | 南京善工真空电子有限公司 | Composite degasser for vacuum heat insulation plate and preparation method of composite degasser |
| CN103994304A (en) * | 2014-04-01 | 2014-08-20 | 福建赛特新材股份有限公司 | Normal temperature composite getter device for vacuum heat insulation plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105617976A (en) | 2016-06-01 |
| CN105435732A (en) | 2016-03-30 |
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