CN104527199A - Preparation method of nano microporous heat insulating panel - Google Patents
Preparation method of nano microporous heat insulating panel Download PDFInfo
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- CN104527199A CN104527199A CN201410777605.1A CN201410777605A CN104527199A CN 104527199 A CN104527199 A CN 104527199A CN 201410777605 A CN201410777605 A CN 201410777605A CN 104527199 A CN104527199 A CN 104527199A
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- cloth bag
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- quilt
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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
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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
- B32B38/00—Ancillary operations in connection with laminating processes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
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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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B2038/0052—Other operations not otherwise provided for
- B32B2038/008—Sewing, stitching
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Thermal Insulation (AREA)
Abstract
The invention provides a preparation method of a nano microporous heat insulating panel. The preparation method of the nano microporous heat insulating panel comprises the following steps of: mixing nano silica powder, an infrared light shielding agent and an reinforcing agent uniformly, putting the mixture into a three-side stitched fiber cloth bag, and sewing the unstitched side of the fiber cloth bag; flattening and pressing the stitched fiber cloth bag to obtain a blocky panel; demolding and quilting the blocky panel to obtain the nano microporous heat insulating panel. Because the powdery raw materials are wrapped before being pressed and molded, the breakage of the panel can be avoided. In addition, because the fiber cloth bag is sewn simply on a workbench and does not need to be sewn in a mold, and the heat insulating surfaces of all wrapping fiber cloth do need to be divided into sewing sections, the operation is simple, and the efficiency is high. Furthermore, because a quilting machine is controlled by a computer to quilt the blocky panel, the operation is simple, and the blocky panel can be quilted accurately.
Description
Technical field
The present invention relates to heat-insulating material field, particularly a kind of preparation method of nanometer micropore heat-insulating plate.
Background technology
Along with the increase of energy resource consumption, the research and extension of thermal insulation refractory material is classified as one of energy-saving and cost-reducing Main way by countries in the world.Con-ventional insulation refractory material has light-weight brick, lightening casting material and ceramic fibre etc., but its thermal conductivity factor is relatively high, cannot meet industrial equipment outer wall lower than the power conservation requirement of 70 DEG C under given thickness.
Nanometer micropore heat-insulating material is a kind of novel insulating refractory, it is inner containing a large amount of nanoporous, nanoporous average-size is about 50nm, thermal conductivity factor under normal temperature is lower than the thermal conductivity factor of still air, heat-insulating property is excellent, has very large using value in fields such as petrochemical industry, metallurgy, Aero-Space.
The technology that hard plate class nanometer micropore heat-insulating material is prepared by China is ripe gradually, and the nanometer micropore heat-insulating shield compressive resistance prepared is good, and heat-insulating property is excellent.But hard plate class nanometer micropore heat-insulating material bending strength is poor, almost there is no impact resistant capability, cannot use on the high-temperature service with certain radian, and this nanometer micropore heat-insulating material surface floating dust amount is large, easily float in air in installation process, human body and environment are worked the mischief, limits the promotion and application of nanometer micropore heat-insulating material to a certain extent.
Publication number is the preparation method that the Chinese patent of CN103802438A discloses a kind of nano-pore felt insulation, the structure of wherein said nano-pore felt insulation comprises the first flexible cladding, nano-pore thermal insulating warm-keeping layer, the second flexible cladding, described nano-pore thermal insulating warm-keeping layer to be filled between described first flexible cladding and the second flexible cladding and to adopt suture quilted part edge, thus be tentatively limited in the sewing area of flexible cladding by adiabatic for nano-pore raw material layer, and then carry out extrusion forming, zoning.Carry out quilting lock seaming process in the small space of the method in mould, operation easier is very large, cannot ensure quilting quality.
Publication number is that the Chinese patent of CN201696812U discloses a kind of nano-pore heat-insulating plate, and wherein plate body adopts nano-pore insulating materials, and plate surface is coated with one deck waterproof cloth, and waterproof cloth is provided with between at least 2 sewing areas.Be of a size of 30 × 30mm ~ 120 × 120mm between sewing area, the frame between each sewing area adopts resurrection glass fibre sewing thread to make.In force, water proofing property high silica glass cloth is carried out cutting needed for the shape of nano-pore heat insulating materials, size, water proofing property high silica glass cloth is carried out coated to nano-pore heat insulating materials, makes high silica glass cloth be close to nano-pore heat insulating materials surface.The water proofing property high silica glass cloth of nano-pore heat insulating materials marginal portion is sewed up, makes it preliminary fixing.Then carry out diced into sections with resurrection glass fibre line by involved size and make one by one, finally glass fabric unnecessary for marginal portion being cut out and go, namely make the nano-pore heat-insulating plate of coated process.
Nano-pore heat-insulating plate is prepared according to this patented method, in the process of clad nano hole heat-insulating material, easily cause Materials Fracture to damage, and after the coated process completing nano-pore heat insulating materials, need between artificial division sewing area, then again sewing interval is made one by one in mould, operating difficulties, workload is large, and production efficiency is low.
Summary of the invention
The technical problem that the present invention solves is the preparation method providing a kind of nanometer micropore heat-insulating plate, and nanometer micropore heat-insulating material not easy fracture, simple to operate, production efficiency is high.
The invention provides a kind of preparation method of nanometer micropore heat-insulating plate, comprise the following steps:
(A), after nano silica powder, infrared light screening agent and reinforcing agent being mixed, the fiber cloth bag that three side seams are closed is put into, staples cloth bag remainder;
(B) the fiber cloth bag after stitching is shakeout compacting, obtain block sheet material;
(C) by described block sheet material demoulding, quilt, obtains nanometer micropore heat-insulating plate.
Preferably, in described step (A), described fiber cloth bag is alkali-free glass fiber cloth bag, high silica glass cloth bag or ceramic fibre cloth bag.
Preferably, in described step (A), the thickness of described fiber cloth bag is 0.15 ~ 0.35mm.
Preferably, in described step (B), described compacting thickness is 3 ~ 20mm.
Preferably, in described step (B), the pressure of described compacting is 3 ~ 8MPa.
Preferably, in described step (B), the pressing speed of described compacting is 120 ~ 550mm/min, and dwell time during described compacting is 10 ~ 30 seconds.
Preferably, in described step (C), the method for described quilt is: utilize mapping software to draw the mimic diagram of block sheet material, and draw on mimic diagram between sewing area, carries out quilt by conputer controlled quilt machine in sewing area.
Preferably, in described step (A), the wire diameter of described stitching sewing thread used is 0.15 ~ 4mm.
Preferably, in described step (C), the wire diameter of described quilt sewing thread used is 0.15 ~ 4mm.
Preferably, in described step (A), described infrared light screening agent is one or more in carborundum, crystal whisker of hexa potassium titanate, carbon black and zircon sand.
Compared with prior art, the preparation method of nanometer micropore heat-insulating plate of the present invention, comprise the following steps: after after the mixing of nano silica powder, infrared light screening agent and reinforcing agent evenly, put into the fiber cloth bag that three side seams are closed, staples cloth bag remainder; Fiber cloth bag after sewing up is shakeout compacting, obtains block sheet material; By described block sheet material demoulding, quilt, obtains nanometer micropore heat-insulating plate.First, be pressed after the present invention is coated by powder material, avoid sheet material fracture.Secondly, simply sew up on the table, without the need to sewing up in a mold, also make interval without the need to dividing on the heat-insulating material surface of each covered fiber cloth, simple to operate, efficiency is high.Further, made by conputer controlled quilt machine, operation is simpler, and it is higher to make precision.
Detailed description of the invention
In order to understand the present invention further, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
The embodiment of the invention discloses a kind of preparation method of nanometer micropore heat-insulating plate, comprise the following steps:
(A), after even after nano silica powder, infrared light screening agent and reinforcing agent being mixed, the fiber cloth bag that three side seams are closed is put into, staples cloth bag remainder;
(B) the fiber cloth bag after stitching is shakeout compacting, obtain block sheet material;
(C) by described block sheet material demoulding, quilt, obtains nanometer micropore heat-insulating plate.
In the present invention, with nano silica powder, infrared light screening agent and reinforcing agent for preparing the material of main part of nanometer micropore heat-insulating plate, with fiber cloth bag for coating, floating dust amount is avoided excessive.
According to the present invention, after even after first nano silica powder, infrared light screening agent and reinforcing agent being mixed, put into three fiber cloth bags sewed up, the one side of staples cloth bag remainder.Described infrared light screening agent is the material that those skilled in the art commonly use, be preferably in carborundum, crystal whisker of hexa potassium titanate, carbon black and zircon sand one or more, when the present invention selects the mixing of multiple infrared light screening agent, the mass ratio for different types of opacifier is not particularly limited.Described reinforcing agent ensure that the intensity of nanometer micropore heat-insulating plate, is preferably one or more in glass fibre, basalt fibre and quartz fibre.
The homogeneous mixture of nano silica powder, infrared light screening agent and reinforcing agent is loaded, then staples cloth bag remainder in the fiber cloth bag that the present invention closes in three side seams.Described fiber cloth bag decreases floating dust and intensity is better, is preferably alkali-free glass fiber cloth bag, high silica glass cloth bag or ceramic fibre cloth bag.The thickness of described fiber cloth is preferably 0.15 ~ 0.35mm.Described three fiber cloth bags sewed up can be sewed up on any operating desk, without the need to carrying out in a mold, avoiding quilt in a mold and to lockstitch a border unworkable problem.And during one side of staples cloth bag remainder, also can sew up on any operating desk, without the need to carrying out in a mold, avoiding quilt in a mold and to lockstitch a border unworkable problem.Described stitching sewing thread used is one or more in glass fiber yarn, ceramic fibre yarn and polyester thread, to ensure having certain intensity.The wire diameter of described sewing thread is preferably 0.15 ~ 0.4mm.After the one side of fiber cloth bag remainder is sewed up, powder raw material is all limited in cloth bag.
According to the present invention, after the one side of staples cloth bag remainder, the fiber cloth bag after sewing up is shakeout compacting, obtains block sheet material.Shakeout the fiber cloth bag after stitching, smooth when ensure that compacting, so that obtain smooth block sheet material.The present invention is not particularly limited for the method shakeout, can for shaking up or plate pressure.The pressure of described compacting is preferably 3 ~ 8MPa, is more preferably 5 ~ 7MPa.The pressing speed of described compacting is preferably 120 ~ 550mm/min, is more preferably 200 ~ 400mm/min; Dwell time during compacting is preferably 10 ~ 30 seconds, is more preferably 15 ~ 20s.Described compacting thickness is preferably 3 ~ 20mm.
According to the present invention, after obtaining block sheet material, by described block sheet material demoulding, quilt, obtain nanometer micropore heat-insulating plate.Block sheet material after compacting, namely can demoulding, then carries out quilt in arbitrary working region, is not particularly limited for quilt region, without the need to carrying out in a mold, avoiding quilt in a mold and to lockstitch a border unworkable problem.The method of described quilt is preferably: utilize mapping software to draw block sheet material mimic diagram, and draw on mimic diagram between sewing area, carry out quilt by conputer controlled quilt machine in sewing area.Described quilt method, makes interval without the need to dividing at the block plate surface of each covered fiber cloth, simple to operate, improves efficiency, also improves simultaneously and make precision.Described quilt interval is preferably 20 × 20mm ~ 120 × 120mm.The wire diameter of described quilt sewing thread used is preferably 0.15 ~ 4mm.By quilt, the nanometer micropore heat-insulating plate that the present invention obtains is made up of multiple region, can suitably bend, and the backing being applicable to have on the high-temperature service of certain radian is heat insulation.
Test the production efficiency of preparation method of the present invention, result shows, the production efficiency of preparation method of the present invention can reach more than 20 per hour.
Test the rupture strength of the nanometer micropore heat-insulating plate that the present invention obtains, result shows, all higher than 0.18MPa.
Prepare nanometer micropore heat-insulating plate according to preparation method of the present invention, first powder material coated after be pressed, avoid sheet material fracture.Secondly, simply sew up on the table, without the need to sewing up in a mold, also make interval without the need to dividing on the heat-insulating material surface of each covered fiber cloth, simple to operate, efficiency is high.Further, made by conputer controlled quilt machine, operation is simpler, and it is higher to make precision.
In order to understand the present invention further, below in conjunction with embodiment, the preparation method to nanometer micropore heat-insulating plate provided by the invention is described in detail, and protection scope of the present invention is not limited by the following examples.
Embodiment 1
(1) employing wire diameter is the alkali-free glass fiber cloth bag of glass fiber yarn by general industry stitching sewing machine 300 × 300mm of 0.25mm, any three edges of fiber cloth bag are carried out sealing make, remaining next edge is not made, be convenient to load material, wherein fiber cloth thickness is 0.3mm;
(2) take 60 weight portion nano silicons, 30 weight portion carborundum, 10 parts by weight of glass fiber put into Hermetical stirring device, by dry method high-speed stirred, mixture is uniformly dispersed, then take 500g material and put into the alkali-free glass fiber cloth bag that step (1) prepares, wire diameter is adopted to be that the glass fiber yarn of 0.25mm carries out sealing by general industry sewing machine and makes, so far, material is completely restricted in cloth bag;
(3) by packed for fiber cloth that material is housed enter in mould, and by shaking up, the material in cloth bag shakeouts by the mode such as plate pressure;
(4) under the pressure condition of 3MPa, suppress the fiber cloth bag that material is housed with the pressing speed of 240mm/min, compacting thickness is 20mm, and the dwell time is 15s.
(5) demoulding of fiber cloth nanometer micropore heat-insulating shield is covered completing after compacting, employing wire diameter is that the glass fiber yarn of 0.25mm carries out quilt process by conputer controlled quilt machine, makes it be formed and has 100 bendable nano micropore heat-insulating plates be of a size of between 30 × 30mm sewing area.
Embodiment 2
(1) employing wire diameter is the high silica glass cloth bag of ceramic fibre yarn by general industry stitching sewing machine 400 × 500mm of 0.35mm, any three edges of fiber cloth bag are carried out sealing make, remaining next edge is not made, be convenient to load material, wherein fiber cloth thickness is 0.25mm;
(2) take 70 weight portion nano silicons, 15 weight portion zircon sands, 15 weight portion ceramic fibres put into Hermetical stirring device, by dry method high-speed stirred, mixture is uniformly dispersed, then take 560g material and put into the alkali-free glass fiber cloth bag that step (1) prepares, wire diameter is adopted to be that the ceramic fibre yarn of 0.35mm carries out sealing by general industry sewing machine and makes, so far, material is completely restricted in cloth bag;
(3) by packed for fiber cloth that material is housed enter in mould, and by shaking up, the material in cloth bag shakeouts by the mode such as plate pressure;
(4) under the pressure condition of 5MPa, suppress the fiber cloth bag that material is housed with the pressing speed of 300mm/min, compacting thickness is 10mm, and the dwell time is 10s.
(5) demoulding of fiber cloth nanometer micropore heat-insulating shield is covered completing after compacting, employing wire diameter is that the ceramic fibre yarn of 0.35mm carries out quilt process by conputer controlled quilt machine, makes it be formed and has 20 bendable nano micropore heat-insulating plates be of a size of between 100 × 100mm sewing area.
Embodiment 3
(1) employing wire diameter is the ceramic fibre cloth bag of polyester thread by general industry stitching sewing machine 200 × 200mm of 0.4mm, any three edges of fiber cloth bag are carried out sealing make, remaining next edge is not made, and be convenient to load material, wherein fiber cloth thickness is 0.35mm;
(2) take 60 weight portion nano silicons, 35 weight portions any combination crystal whisker of hexa potassium titanate and titanium dioxide, 5 weight portions any combination basalt fibre and quartz fibre put into Hermetical stirring device, by dry method high-speed stirred, mixture is uniformly dispersed, then take 336g material and put into the ceramic fibre cloth bag that step (1) prepares, wire diameter is adopted to be that the polyester thread of 0.4mm carries out sealing by general industry sewing machine and makes, so far, material is completely restricted in cloth bag;
(3) by packed for fiber cloth that material is housed enter in mould, and by shaking up, the material in cloth bag shakeouts by the mode such as plate pressure;
(4) under the pressure condition of 8MPa, suppress the fiber cloth bag that material is housed with the pressing speed of 500mm/min, compacting thickness is 3mm, and the dwell time is 30s.
(5) demoulding of fiber cloth nanometer micropore heat-insulating shield is covered completing after compacting, employing wire diameter is that the ceramic fibre yarn of 0.4mm carries out quilt process by conputer controlled quilt machine, makes it be formed and has 25 bendable nano micropore heat-insulating plates be of a size of between 40 × 40mm sewing area.
Comparative example 1
The technical method adopting patent CN201696812U to provide prepares a kind of heat-insulating plate, and concrete steps are as follows:
(1) water proofing property high silica glass cloth is carried out cutting needed for the shape of nano-pore heat insulating materials, size (400 × 500 × 10mm), water proofing property high silica glass cloth is carried out coated to nano-pore heat insulating materials, makes high silica glass cloth be close to nano-pore heat insulating materials surface;
(2) the water proofing property high silica glass cloth of nano-pore heat insulating materials marginal portion is sewed up, make it preliminary fixing;
(3) then carry out diced into sections (20 are of a size of between the sewing area of 100 × 100mm) with resurrection glass fibre line by designed size and make one by one, finally glass fabric unnecessary for marginal portion is cut out and go, namely make the nano-pore heat-insulating plate of coated process.
Comparative example 2
Adopt technical method disclosed in patent CN103802438A to prepare a kind of nano-pore felt insulation, concrete steps are as follows:
(1) the first flexible cladding is laid on the bottom of mould, nano-thermal-insulating raw material is tiled on described first flexible cladding, form nano-pore thermal insulating warm-keeping layer;
(2) on the described nano-pore thermal insulating warm-keeping layer of step (1), the second flexible cladding is laid, along the part or all of outward flange of described nano-pore thermal insulating warm-keeping layer, ceramic fibre yarn is adopted to carry out quilt process to described first flexible cladding and the second flexible cladding, form nano-pore thermal insulating warm-keeping layer and be folded in composite construction between two flexible claddings, the stitch track wherein carrying out described quilt lock seaming at least comprises two relative sides;
(3) carry out precompressed process to the composite construction in step (2), preload pressure is 2MPa, and pressing speed is 300mm/min, and the dwell time is 1s;
(4) carry out pressurized treatments to the composite construction of step (3) after precompressed process, pressure is 8MPa, and pressing speed is 200mm/min, and compacting thickness is 10mm, and the dwell time is 10s;
(5), after the demoulding, adopt ceramic fibre yarn to carry out making it be formed without shuttle quilt to the composite construction of step (4) after pressurized treatments and there is the nano-pore felt insulation that 20 are of a size of 100 × 100mm quilt interval.
The bendable nano micropore heat-insulating plate number consecutively embodiment of the present invention 1 ~ 3 prepared is A, B, C, the heat-insulating plate that comparative example 1 ~ 2 prepares and nano-pore felt insulation number consecutively are D, E, test the rupture strength of sample respectively, and the production efficiency in Statistics Implementation process, obtain data as shown in the table:
| Sample | Rupture strength (MPa) | Production efficiency (individual/hour) |
| A | 0.18 | 20 |
| B | 0.20 | 40 |
| C | 0.21 | 35 |
| D | 0.08 | 6 |
| E | 0.18 | 10 |
From data in table, bendable nano micropore heat-insulating plate (A, B, C) rupture strength of the present invention is better; D, E are known in contrast, and production same size has the sample between identical sewing area, adopts technical method provided by the invention greatly to enhance productivity.
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a preparation method for nanometer micropore heat-insulating plate, comprises the following steps:
(A), after nano silica powder, infrared light screening agent and reinforcing agent being mixed, the fiber cloth bag that three side seams are closed is put into, staples cloth bag remainder;
(B) the fiber cloth bag after stitching is shakeout compacting, obtain block sheet material;
(C) by described block sheet material demoulding, quilt, obtains nanometer micropore heat-insulating plate.
2. preparation method according to claim 1, is characterized in that, in described step (A), described fiber cloth bag is alkali-free glass fiber cloth bag, high silica glass cloth bag or ceramic fibre cloth bag.
3. preparation method according to claim 2, is characterized in that, in described step (A), the thickness of described fiber cloth bag is 0.15 ~ 0.35mm.
4. preparation method according to claim 1, is characterized in that, in described step (B), described compacting thickness is 3 ~ 20mm.
5. preparation method according to claim 4, is characterized in that, in described step (B), the pressure of described compacting is 3 ~ 8MPa.
6. preparation method according to claim 5, is characterized in that, in described step (B), the pressing speed of described compacting is 120 ~ 550mm/min, and dwell time during described compacting is 10 ~ 30 seconds.
7. preparation method according to claim 1, it is characterized in that, in described step (C), the method of described quilt is: utilize mapping software to draw the mimic diagram of block sheet material, and draw on mimic diagram between sewing area, in sewing area, carry out quilt by conputer controlled quilt machine.
8. preparation method according to claim 1, is characterized in that, in described step (A), the wire diameter of described stitching sewing thread used is 0.15 ~ 4mm.
9. preparation method according to claim 1, is characterized in that, in described step (C), the wire diameter of described quilt sewing thread used is 0.15 ~ 4mm.
10. preparation method according to claim 1, is characterized in that, in described step (A), described infrared light screening agent is one or more in carborundum, crystal whisker of hexa potassium titanate, zircon sand, carbon black and titanium dioxide.
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| CN105217950A (en) * | 2015-09-07 | 2016-01-06 | 世纪良基投资集团有限公司 | A kind of composite glass wool |
| CN105972388A (en) * | 2016-06-25 | 2016-09-28 | 常州腾拓机械设备有限公司 | Nano micropore insulation board production line |
| CN108117371A (en) * | 2017-12-26 | 2018-06-05 | 宁波爱克创威新材料科技有限公司 | A kind of super-hydrophobic nano microporous thermal insulation material and preparation method thereof |
| CN108314412A (en) * | 2018-02-23 | 2018-07-24 | 山东鲁阳节能材料股份有限公司 | A kind of insulating product and preparation method thereof |
| CN110216932A (en) * | 2019-06-24 | 2019-09-10 | 江西晖能新材料有限公司 | The preparation method and flexible nano heat-insulation and heat-preservation felt of flexible nano heat-insulation and heat-preservation felt |
| CN112140659A (en) * | 2020-08-21 | 2020-12-29 | 航天特种材料及工艺技术研究所 | Suture type flexible nano heat insulation material and preparation method thereof |
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| JP2014100798A (en) * | 2012-11-16 | 2014-06-05 | Teijin Dupont Films Japan Ltd | Oriented laminated polyester film and method for producing the same |
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| CN105217950A (en) * | 2015-09-07 | 2016-01-06 | 世纪良基投资集团有限公司 | A kind of composite glass wool |
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| CN112140659A (en) * | 2020-08-21 | 2020-12-29 | 航天特种材料及工艺技术研究所 | Suture type flexible nano heat insulation material and preparation method thereof |
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| CN104527199B (en) | 2017-02-22 |
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