CN114683668A - Production method of novel vacuum heat-insulating plate and novel vacuum heat-insulating plate - Google Patents
Production method of novel vacuum heat-insulating plate and novel vacuum heat-insulating plate Download PDFInfo
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- CN114683668A CN114683668A CN202011590212.1A CN202011590212A CN114683668A CN 114683668 A CN114683668 A CN 114683668A CN 202011590212 A CN202011590212 A CN 202011590212A CN 114683668 A CN114683668 A CN 114683668A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 230000004888 barrier function Effects 0.000 claims abstract description 59
- 238000009413 insulation Methods 0.000 claims abstract description 41
- 239000011162 core material Substances 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 229920000742 Cotton Polymers 0.000 claims description 9
- 239000003463 adsorbent Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000001788 irregular Effects 0.000 claims description 4
- 239000002120 nanofilm Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 3
- 229910000733 Li alloy Inorganic materials 0.000 claims description 3
- 239000004964 aerogel Substances 0.000 claims description 3
- YSZKOFNTXPLTCU-UHFFFAOYSA-N barium lithium Chemical compound [Li].[Ba] YSZKOFNTXPLTCU-UHFFFAOYSA-N 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 3
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 3
- 239000002274 desiccant Substances 0.000 claims description 3
- 239000001989 lithium alloy Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims 1
- 238000004321 preservation Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 238000001819 mass spectrum Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
- 238000009461 vacuum packaging Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
- B32B37/1018—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1866—Handling of layers or the laminate conforming the layers or laminate to a convex or concave profile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Thermal Insulation (AREA)
Abstract
The invention provides a production method of a novel vacuum heat-insulating plate, which comprises the following steps: the method comprises the following steps: stamping or plastic sucking the first barrier film into a bottom groove to obtain a preformed first barrier film with a groove; step two: putting the cut and dried core material into the groove, and covering one side of the core material, which is far away from the bottom of the groove, with a second barrier film; step three: putting the barrier film container with the placed core material into a vacuum chamber for vacuumizing, wherein the pressure of the vacuum chamber is lower than 1X10‑1After Pa, the pressing plate mechanism in the vacuum chamber is pressed down, the core material is compressed to be the same as the thickness of the groove, and the heat sealing mechanism is used for tightly adhering and fusing the bottoms of the first barrier film and the second barrier film to obtain the vacuum insulation plate. The vacuum insulation panel produced by the production method has the advantages of short vacuumizing time, regular and flat appearance, high panel strength, no need of edge folding process and labor cost reduction. Not only can save cost, but also has better heat preservation and insulation effects when being spliced for use.
Description
Technical Field
The invention relates to the field of heat insulation materials, in particular to a novel vacuum heat insulation plate and a manufacturing method thereof.
Background
At present, the packaging mode used by the vacuum insulation panels at home and abroad is generally long bag opening and single sealing, so the vacuum exhaust flow channel is small, the vacuum degree in the bag after vacuum sealing is relatively low, and the heat conductivity coefficient performance of the vacuum insulation panels is unstable.
The vacuum insulation panel barrier bag manufactured by adopting the traditional packaging mode has longer residual edge, and the product needs to be folded after vacuum packaging. In the existing vacuum insulation panel production process, when vacuum is broken after vacuum sealing is finished, because the pressure difference between the inside and the outside of the vacuum insulation panel is about 1.0 multiplied by 105Pa, a barrier film and a core material are rapidly contracted under the action of atmospheric pressure, and in the contraction process, the core material is stretched in 3 directions at the corners of the core material, so that the barrier film is extremely easy to produce excessive stretching, the barrier layer with poor ductility is damaged, and the corner leakage rate of the vacuum insulation panel is increased. After the packaging, the edge is folded or the groove is pressed manually, the damage and air leakage of the barrier layer at the corner or the groove position of the vacuum insulation panel are easily caused, and the reject ratio of the vacuum insulation panel is increased.
Disclosure of Invention
The invention aims to overcome the defects and the performance defects of a traditional vacuum insulation panel packaged by a barrier bag in actual production and application, and provides a novel vacuum insulation panel manufacturing method and a novel vacuum insulation panel.
In order to solve the technical problem, the invention provides a production method of a novel vacuum insulation panel, which comprises the following steps:
the method comprises the following steps: stamping or plastic sucking the first barrier film into a bottom groove to obtain a preformed first barrier film with a groove; the cross section of the groove along the direction parallel to the first barrier film is round, square, polygonal or irregular;
step two: placing the cut and dried core material into the groove, then placing a drying agent and an adsorbent in the core material, and covering a second barrier film on one side of the core material, which is far away from the bottom of the groove, so as to obtain a barrier film container with the core material;
step three: putting the barrier film container with the placed core material into a vacuum chamber for vacuumizing, wherein the pressure of the vacuum chamber is lower than 1X10-1After Pa, the pressing plate mechanism in the vacuum chamber is pressed down, the core material is compressed to be the same as the thickness of the groove, and the heat sealing mechanism is used for tightly adhering and fusing the bottoms of the first barrier film and the second barrier film to obtain the vacuum insulation plate.
In a preferred embodiment: the first barrier film is of a multilayer structure consisting of an aluminum film, an aluminum-free film, a nano film and hand-tearing steel.
In a preferred embodiment: the middle core material comprises one or more of glass fiber chopped strands, centrifugal cotton, flame cotton, gas silicon, ultrathin cotton and aerogel.
In a preferred embodiment: the adsorbent is one or more of calcium oxide, cobalt oxide, barium-lithium alloy and iron alloy.
In a preferred embodiment: the width of an edge sealing edge formed on the periphery of the core material of the vacuum insulation panel is 2-30 mm.
The invention also provides a novel vacuum insulation panel, which adopts the production method.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
1. the invention provides a production method of a novel vacuum insulation panel, which comprises the steps of stamping, stretching or carrying out vacuum forming on a multi-layer high-barrier composite material to form a first barrier film with a groove; the first barrier film can be formed by a multilayer structure made of aluminum films, aluminum-free films, nano films, hand-tearing steel and the like, and the helium mass spectrum leakage rate is less than 10 under the vacuum condition-8Pa.l/s.cm2Thereby greatly improving the performance and the actual heat preservation effect of the vacuum heat insulation plate and further prolonging the heat preservation time.
2. The invention provides a production method of a novel vacuum heat-insulating plate, which is characterized in that a first barrier film with a groove is preformed, the planar shape of the groove can be round, square, polygonal or any shape, the edge sealing surface is smooth, the size precision tolerance is small, and the first barrier film can be embedded in different positions to achieve the effects of heat preservation and energy conservation. The defect that the conventional vacuum insulation panel is not easy to produce special-shaped plates is overcome.
3. The invention provides a production method of a novel vacuum heat-insulating plate, which is characterized in that a first barrier film with a groove is preformed, so that the corner part and the groove position of the vacuum heat-insulating plate are more wear-resistant, the risk of air leakage in moving transportation or use is reduced, the product performance is ensured, and the service life is prolonged.
4. The invention provides a production method of a novel vacuum heat-insulating plate, which is characterized in that a first barrier film with a groove is preformed, so that the flow channel area is large and the stroke is short during vacuum pumping, and the vacuum degree in a bag is lower than that of a traditional barrier bag during the same vacuum pumping time, so that the product performance and the quality are ensured; after the first barrier film with the groove is preformed to be made into the vacuum insulation panel, the corner part or the groove position is attached to the core material at the beginning, so that the damage and air leakage caused by the instant excessive stretching of the barrier layer are avoided; after the preformed barrier film bottom shell container is manufactured into the vacuum insulation board, the distance from the core material to the edge sealing edge can be controlled within 10-30mm, and secondary damage and air leakage of the barrier film caused by the edge folding process are avoided.
5. The invention provides a novel vacuum heat-insulating plate.A first barrier film with a groove is preformed, the plane shape of the groove can be made into a round shape, a square shape, a polygonal shape or any shape according to the requirements of customers, and the dimensional precision tolerance is small, so that the novel vacuum heat-insulating plate can be embedded at different positions to achieve the effects of heat preservation and energy conservation; the novel vacuum heat-insulating plate has high plate surface leveling strength and is more suitable for manufacturing large-size thin and long plates which are not easy to fold or break; each corner and the slotting position of the novel vacuum heat-insulating plate are more wear-resistant, the air leakage risk during moving transportation or use is reduced, the product performance is ensured, and the service life is prolonged; the novel vacuum heat insulation plate has lower vacuum degree, more stable performance and more obvious energy-saving effect. In a word, the novel vacuum insulation panel greatly enhances the heat insulation performance, and the heat insulation time is prolonged, so that the cost performance of the vacuum insulation panel is improved, and the novel vacuum insulation panel is more energy-saving and environment-friendly.
Drawings
Fig. 1 is a schematic view of the structure of the novel vacuum insulation panel in the preferred embodiment of the present invention.
FIG. 2 is a schematic illustration of a first barrier film after pre-forming a recess in accordance with a preferred embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like, are used in a broad sense, and for example, "connected" may be a wall-mounted connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, and those skilled in the art will understand the specific meaning of the terms in the present invention specifically.
The embodiment provides a production method of a novel vacuum insulation panel, which comprises the following steps:
the method comprises the following steps: stamping or plastic sucking the first barrier film into a bottom groove to obtain a preformed first barrier film with a groove; the cross section of the groove along the direction parallel to the first barrier film is round, square, polygonal or irregular;
step two: placing the cut and dried core material into the groove, then placing a drying agent and an adsorbent in the core material, and covering a second barrier film on one side of the core material, which is far away from the bottom of the groove, so as to obtain a barrier film container with the core material;
step three: putting the barrier film container with the placed core material into a vacuum chamber for vacuumizing, wherein the pressure of the vacuum chamber is lower than 1X10-1After Pa, the pressing plate mechanism in the vacuum chamber is pressed down, the core material is compressed to be the same as the thickness of the groove, and the heat sealing mechanism is used for tightly adhering and fusing the bottoms of the first barrier film and the second barrier film to obtain the vacuum insulation plate.
As shown in fig. 1, the vacuum insulation panel obtained through the above steps includes: the manufacturing method comprises the steps of preforming a first barrier film 1 with grooves, an intermediate core material 2, an adsorbent 3 and a second barrier film. The middle core material 2 is placed in a groove of the first barrier film 1 with the groove in the pre-forming mode, the second barrier film is arranged on one side, away from the bottom of the groove, of the middle core material and attached to the outer portion of the groove of the first barrier film 1 to form a circle of edge sealing extending along the circumferential direction of the middle core material.
The preformed first barrier film 1 with the groove is formed by punching, drawing or plastic-sucking multiple layers of high-barrier composite materials; the first barrier film 1 can be formed by a multilayer structure made of aluminum films, aluminum-free films, nano films, hand-tearing steel and the like, and the helium mass spectrum leakage rate is less than 10 under the vacuum condition-8Pa.l/s.cm2。
The cross section of the groove along the direction parallel to the first barrier film 1 is circular, square, polygonal or irregular, and the edge sealing surface is smooth.
The middle core material 2 comprises one or more of glass fiber chopped strands, centrifugal cotton, flame cotton, gas silicon, ultrathin cotton and aerogel.
The adsorbent 3 is placed in the middle core material 2, and the adsorbent is one or more of calcium oxide, cobalt oxide, barium-lithium alloy and iron alloy.
The distance from the periphery of the middle core material 2 to the edge of the edge seal is controlled to be 10-30 mm.
The corner of the groove is arc preformed, does not transmit light, is not air-leakage and is wear-resistant, and the helium mass spectrum leakage rate under the vacuum condition is less than 10-8Pa.l/s.cm2。
In the embodiment, the novel vacuum insulation panel is specifically applied to heat insulation materials such as refrigerators, freezers and cold chain containers; in addition, the design is suitable for various application fields, such as the shell heat preservation of public transport vehicles (airplanes, cruise ships and high-speed rails), the wall and structure heat preservation of various buildings (gymnasiums, theaters and commercial buildings), industrial and commercial pipelines (chemical plants and biological medicine plants) and the like; the scope of the invention should not be limited thereby, except as by simple substitution.
The above description is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art can make insubstantial changes in the technical scope of the present invention within the technical scope of the present invention, and the actions infringe the protection scope of the present invention are included in the present invention.
Claims (6)
1. The production method of the novel vacuum heat-insulating plate is characterized by comprising the following steps of:
the method comprises the following steps: stamping or plastic sucking the first barrier film into a bottom groove to obtain a preformed first barrier film with a groove; the cross section of the groove along the direction parallel to the first barrier film is round, square, polygonal or irregular;
step two: placing the cut and dried core material into the groove, then placing a drying agent and an adsorbent in the core material, and covering a second barrier film on one side of the core material, which is far away from the bottom of the groove, so as to obtain a barrier film container with the core material;
step three: putting the barrier film container with the placed core material into a vacuum chamber for vacuumizing, wherein the pressure of the vacuum chamber is lower than 1X10-1After Pa, the pressing plate mechanism in the vacuum chamber is pressed down, the core material is compressed to be the same as the thickness of the groove, and the heat sealing mechanism is used for tightly adhering and fusing the bottoms of the first barrier film and the second barrier film to obtain the vacuum insulation plate.
2. The method for producing a novel vacuum insulation panel according to claim 1, wherein: the first barrier film is of a multilayer structure consisting of an aluminum film, an aluminum-free film, a nano film and hand-tearing steel.
3. The method for producing a novel vacuum insulation panel according to claim 1, wherein the intermediate core material comprises one or more of chopped fiberglass, centrifugal cotton, flame cotton, gas silicon, ultra-thin cotton and aerogel.
4. The method for producing a novel vacuum insulation panel according to claim 1, wherein the adsorbent is one or more of calcium oxide, cobalt oxide, barium lithium alloy and iron alloy.
5. The method of claim 1, wherein the edge seal formed around the core material of the vacuum insulation panel has a width of 2-30 mm.
6. A novel vacuum insulation panel characterized by using the production method according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011590212.1A CN114683668A (en) | 2020-12-29 | 2020-12-29 | Production method of novel vacuum heat-insulating plate and novel vacuum heat-insulating plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011590212.1A CN114683668A (en) | 2020-12-29 | 2020-12-29 | Production method of novel vacuum heat-insulating plate and novel vacuum heat-insulating plate |
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| Publication Number | Publication Date |
|---|---|
| CN114683668A true CN114683668A (en) | 2022-07-01 |
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| CN202011590212.1A Pending CN114683668A (en) | 2020-12-29 | 2020-12-29 | Production method of novel vacuum heat-insulating plate and novel vacuum heat-insulating plate |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202644757U (en) * | 2012-04-26 | 2013-01-02 | 昆山蓝胜建材有限公司 | Structurally-improved vacuum heat insulating plate |
| JP2014163494A (en) * | 2013-02-27 | 2014-09-08 | Toshiba Home Technology Corp | Heat insulator |
| CN107781580A (en) * | 2017-09-29 | 2018-03-09 | 福建赛特新材股份有限公司 | The production method and vacuum heat-insulating plate of a kind of vacuum heat-insulating plate |
| CN111255980A (en) * | 2020-01-07 | 2020-06-09 | 福建赛特新材股份有限公司 | Vacuum heat insulation plate |
| CN212004800U (en) * | 2020-01-20 | 2020-11-24 | 福建赛特新材股份有限公司 | Barrier film for vacuum insulation panel and vacuum insulation panel |
-
2020
- 2020-12-29 CN CN202011590212.1A patent/CN114683668A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202644757U (en) * | 2012-04-26 | 2013-01-02 | 昆山蓝胜建材有限公司 | Structurally-improved vacuum heat insulating plate |
| JP2014163494A (en) * | 2013-02-27 | 2014-09-08 | Toshiba Home Technology Corp | Heat insulator |
| CN107781580A (en) * | 2017-09-29 | 2018-03-09 | 福建赛特新材股份有限公司 | The production method and vacuum heat-insulating plate of a kind of vacuum heat-insulating plate |
| CN111255980A (en) * | 2020-01-07 | 2020-06-09 | 福建赛特新材股份有限公司 | Vacuum heat insulation plate |
| CN212004800U (en) * | 2020-01-20 | 2020-11-24 | 福建赛特新材股份有限公司 | Barrier film for vacuum insulation panel and vacuum insulation panel |
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