CN110220074A - The method and vacuum heat-insulating plate of core material of vacuum heat insulation plate are prepared using super glass wool waste material - Google Patents

The method and vacuum heat-insulating plate of core material of vacuum heat insulation plate are prepared using super glass wool waste material Download PDF

Info

Publication number
CN110220074A
CN110220074A CN201910513678.2A CN201910513678A CN110220074A CN 110220074 A CN110220074 A CN 110220074A CN 201910513678 A CN201910513678 A CN 201910513678A CN 110220074 A CN110220074 A CN 110220074A
Authority
CN
China
Prior art keywords
vacuum heat
core
heat insulation
insulation plate
vacuum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910513678.2A
Other languages
Chinese (zh)
Inventor
吴维慧
其他发明人请求不公开姓名
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Xintai Energy Saving Polytron Technologies Inc
Xihua University
Original Assignee
Shandong Xintai Energy Saving Polytron Technologies Inc
Xihua University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Xintai Energy Saving Polytron Technologies Inc, Xihua University filed Critical Shandong Xintai Energy Saving Polytron Technologies Inc
Priority to CN201910513678.2A priority Critical patent/CN110220074A/en
Publication of CN110220074A publication Critical patent/CN110220074A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/02Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/028Composition or method of fixing a thermally insulating material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/06Arrangements using an air layer or vacuum
    • F16L59/065Arrangements using an air layer or vacuum using vacuum

Abstract

The invention discloses a kind of methods and vacuum heat-insulating plate that core material of vacuum heat insulation plate is prepared using super glass wool waste material, this method step includes: by the waste material or leftover pieces of flame method mineral wool, successively disperse through mashing, dilute with slurry, slagging-off, copy paper forms, negative pressure is dehydrated, dries, cuts, obtained core material of vacuum heat insulation plate.Leftover pieces that the waste material and production glass fiber battery separators that the present invention is mainly sub-elected using the super glass wool that flame method produces generate etc. are raw material, and cost is greatly reduced;The thickness in monolayer of core material greatly improves production efficiency up to 5-40mm, and core material intensity improves, and vacuumizes front and back perpendicular to the expansion rate of board direction less than 10%.Prepared heat conductivity of vacuum insulation panel is lower than 5mW (mK), and heat-insulating property is excellent, at low cost, intensity is high, safe and reliable, long service life, up to 30 years or more, keeps the temperature especially suitable for construction wall.

Description

Using super glass wool waste material prepare core material of vacuum heat insulation plate method and vacuum it is exhausted Hot plate
Technical field
The invention belongs to heat-insulating material fields, and in particular to a kind of to prepare vacuum insulation plate core using super glass wool waste material The method and vacuum heat-insulating plate of material.
Background technique
Vacuum heat-insulating plate (VIP) is a kind of super insulating material developed in recent years, it is former based on vacuum insulation Reason, by inhibiting convection current and the heat transfer of gas, as far as possible reduction solid and radiation thermal conduction, one kind obtained is new and effective absolutely Hot material, thermal coefficient is generally in 5mW (mK) hereinafter, a magnitude lower than conventional insulation material thermal coefficient, excellent is exhausted Hot property is widely used it in the fields such as deepfreeze and building heat preservation.
Common VIP core material has fiber-like core material using glass fibre as representative and using fumed silica as the powder of representative Last class core material, glass fibre compare fumed silica, and advantage is that cost of material is low, and core material moulding process is simple, initial thermal conductivity Coefficient is low, increases fastly the disadvantage is that thermal coefficient rises with pressure in plate, service life is short.And the advantages of fumed silica is to make It is long with the service life, the disadvantage is that raw material is expensive, complex forming technology.
And glass fiber core material according to glass fibre preparation process classification there are three types of: be chopped silk, centrifugal process mineral wool (from Heart cotton) and flame method mineral wool (flame cotton).Chopped silk and centrifugal cotton production cost are low, and fiber is thick, the VIP core material cost of preparation Opposite flame cotton is cheap, but core material hole is big, and thermal coefficient rises with pressure in plate and increases fastly, and service life is short;And flame The production of cotton belongs to high energy consumption, high pollutive industries, and production efficiency is low, makes core material and VIP itself with the raw material of certified products A kind of theory as high-efficient energy-saving environment friendly material is runed counter to.
Flame cotton manufacturing enterprise needs to sort raw cotton according to certain technical indicator in process of production, can generate big The rejected product waste material of amount, these general waste materials can produce again new mineral wool by secondary melt down, this for enterprise both The cost of energy consumption and recycling is increased, and secondary pollution can be caused to environment.In flame cotton production glass fiber battery separators In the process, a large amount of rejected product or leftover pieces can be also generated, these waste materials can be added to secondary mashing in raw material on a small quantity New partition is made, addition will affect product technology performance too much, so waste recovery utilizes difficulty.If these can be collected Flame cotton wastes material or waste product simultaneously rationally utilize, and turn waste into wealth, not only create economic benefit for enterprise, but can be reduced energy consumption and Environmental pollution.
Summary of the invention
Aiming at the above shortcomings existing in the prior art, superfine glass cotton wastes is utilized the purpose of the present invention is to provide a kind of Material prepares the method and vacuum heat-insulating plate of core material of vacuum heat insulation plate, solves the problems, such as that flame cotton wastes object is reluctant.
To achieve the above object, the invention provides the following technical scheme:
The method for preparing core material of vacuum heat insulation plate using super glass wool waste material, step include: by flame method mineral wool Waste material or leftover pieces, successively through mashing dispersion, dilute with slurry, slagging-off, copy paper molding, negative pressure be dehydrateds, dry, cut, be made very Empty insulated panel core material.
Preferably, the microglass fiber diameter of the flame method mineral wool waste material or leftover pieces is 0.1-3 μm, and length is 0.5-5mm.Selected waste material or leftover pieces is all the rejected product of the waste material or product that sort in flame cotton production process Or leftover pieces etc., without centrifugal cotton and chopped silk fiber and other materials, the diameter and length of fiber itself depend on useless Material or leftover pieces, generally, flame method microglass fiber length secondary want above-mentioned diameter and length within the scope of above-mentioned requirements Microglass fiber production core material performance it is more preferable, thermal coefficient changes over time very slow, long service life.
Preferably, the thickness in monolayer of the core material of vacuum heat insulation plate is 5-40mm.Due to fiber after the secondary mashing of waste material Can be cataclasm, it becomes shorter, is not easy that mat shape is made, the single layer core material with a thickness of 5-40mm is made here, can not only greatly improve Production efficiency, and improve the intensity of core material.
Preferably, the density of the core material of vacuum heat insulation plate is 180-250kg/m3.In copy paper forming step, pass through The parameter such as slurry concentration, slurry feeding volume, mesh belt speed and platen pressure is controlled, realizes the Auto-regulating System of Density of Heavy Medium of core material, too small is close Degree generally results in the decline of core material intensity, and vacuum heat-insulating plate is easily broken off, and internal void become larger after heat radiation heat transfer item It will increase, whole heat-insulating property can decline;And density is too big, while increasing material utilization amount, also will increase solid thermal conduction, Whole heat-insulating property is caused to decline, in the present solution, by limiting density as 180-250kg/m3,, core material can be taken into account well Intensity and heat-conductive characteristic.
A kind of vacuum heat-insulating plate, the vacuum heat-insulating plate include barrier bag obtained by any embodiment of the present invention Core material of vacuum heat insulation plate composition, the core material of vacuum heat insulation plate are vacuum-sealed in barrier bag.
Preferably, the barrier bag is made by barrier film hot edge seal, protective layer of the barrier film by outer layer, centre Barrier layer and the heat fusible layer of inside be combined.Glass fibre containing one layer of puncture-resistant on the outside of the protective layer The puncture resistance of VIP can be improved in cloth, this feature, and the technology for meeting vacuum heat-insulating plate standard JGT 438-2014 for building is wanted It asks, the barrier layer is one or more layers structure containing aluminium, and the heat fusible layer is PE.
Preferably, the expansion rate before and after the core material of vacuum heat insulation plate Vacuum Package perpendicular to board direction is less than 10%.This feature will not prevent VIP along perpendicular to the expanded drum of board direction after so that VIP is lost vacuum after gas leakage or breakage It falls off from mounting, improves the security reliability that VIP is used, and be able to satisfy vacuum heat-insulating plate standard JGT for building The technical requirements of 438-2014.
It preferably, further include chemosorbent in the barrier bag, the chemosorbent is placed in inside core material Or core surfaces.The chemosorbent includes calcium oxide.Calcium oxide is cheap, but can sufficiently adsorb to vacuum heat-insulating plate Performance influences maximum pernicious gas-aqueous vapor, maintains good vacuum environment in plate, improves heat-insulating property, extends and uses the longevity Life.
The beneficial effects of the present invention are: it provides and a kind of prepares core material of vacuum heat insulation plate using super glass wool waste material Method, used raw material be flame cotton manufacturing enterprise sort out in process of production do not conform to product waste material or flame The waste material generated in the rejected product of cotton production battery separator generation or leftover pieces and the production of other flame cotton products, by wet Thickness in monolayer is made in 5-40mm core material in method paper technology, and it is small to vacuumize front and back expansion rate for high mechanical strength.The present invention is handle Flame cotton wastes material recycles, not only low-carbon environment-friendly, but also reduces material cost.The present invention also provides a kind of vacuum heat-insulating plate, institutes The barrier film outer surface of use is covered with layer of glass cloth, vertical before and after Vacuum Package to improve the puncture resistance of VIP In board direction expansion rate less than 10%, meet the technical requirements of vacuum heat-insulating plate standard JGT 438-2014 for building, pacify Full reliability improves.It is lower than 5mW (mK) using heat conductivity of vacuum insulation panel obtained by the core material, high mechanical strength is swollen Swollen rate is small, long service life, and up to 30 years or more, and production cost was low, keeps the temperature market especially suitable for construction wall.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out Explanation.
Fig. 1 is the method flow diagram for preparing core material of vacuum heat insulation plate in the embodiment of the present invention using super glass wool waste material.
Specific embodiment
A preferred embodiment of the present invention will be described in detail below.
Embodiment 1 prepares core material of vacuum heat insulation plate using super glass wool waste material
As shown in Figure 1, the method for preparing core material of vacuum heat insulation plate using super glass wool waste material provided in the present embodiment, Include the following steps:
(1) garbage collection: the ultra-fine waste material or leftover pieces sorted out during flame method production mineral wool, and not The waste material that qualified product generates is collected.Ultra-fine waste material herein generally refers to fibre diameter at 0.1-3 μm, and length is in 0.5- The microglass fiber of 5mm.
(2) mashing dispersion: the waste material investment troughing mashing dispersion of collection, and add sulfuric acid, adjust plasm PH value in 3- Between 3.5.The purpose of addition sulfuric acid is surface-treated fiber, by adjusting plasm PH value between 3-3.5, can make Fiber is not easy cataclasm as far as possible in pulping process, reduces the stress of fibrous inside, is conducive to dispersion etc..
(3) it dilutes with slurry: being diluted uniform slurry pumping is beaten to mud pit, being diluted to concentration is original slurry material 1/5.Generally, concentration is all bigger when mashing, needs to carry out again in favor of improving production efficiency, therefore after being beaten dilute It releases with slurry, there are one whipping process after dilution, disperses the fiber inside slurry very uniform.As preferably production technology In, mashing and the concentration in dilution about for be diluted to that concentration is original slurry material 1/5, but this is not absolutely to require, example Such as, the quality that can be dispersed according to preceding working procedure, rear road papermaking properties require to be adjusted.
(4) it removes the gred: slurry being carried out except Slag treatment using scummer;Slag herein refers to glass that may be present in waste material The waste material aggregate that can not be broken up in glass slag ball or step (2).
(5) copy paper forms: the slurry after slagging-off being sent into forming net and carries out dehydration copy paper molding, core material blank is made, together Shi Liyong pressure roller carries out roll-in to blank, so that fiber is lain low in blank surface, surfacing, by controlling slurry feeding volume, mesh belt speed Degree and platen pressure come the thickness for adjusting core material blank are about 23.4mm.It should be noted that the core material embryo material obtained is thick herein Degree is only a kind of specific experiment example, by the core material for adjusting any thickness between the available 5-40mm of above-mentioned parameter.Core material is thick Degree is not too thin easily molded, too thick to be not easy to be dehydrated.
(6) negative pressure is dehydrated: core material blank being carried out negative pressure dehydration, makes water content control below 30%.Pass through negative pressure handle Most of moisture removal, obtains the core material of basic forming, is convenient for subsequent baking.It directly goes to toast if be not dehydrated, core material is very It is easy breakage, is not easy to take out, is in addition also not easy to toast, core surfaces are rugged after drying, cannot use.
(7) it dries: dewatered core material blank being sent into tunnel oven and is dried, drying temperature makes at 300-350 DEG C The water content of core material blank is controlled 1% hereinafter, the thickness of gained core material about 20.2mm.
Herein only as an example, the core material that obtained thickness is about 20.2mm passes through regulating step (5) by above-mentioned technique In slurry feeding volume, mesh belt speed and platen pressure, the core material of available different-thickness, if the thickness in monolayer of core material can be 5- 40mm。
(8) it cuts: the core material blank after drying being cut into the sample of specified size, such as cut into having a size of 300mm × 300mm sample obtains core material of vacuum heat insulation plate, referred to herein as super glass wool waste material core material.
Embodiment 2 makes vacuum heat-insulating plate using glass fiber core material made from embodiment 1
Specific manufacturing process is as follows:
(1) core material obtained in embodiment 1 tunnel oven cooking cycle 10 minutes of 250 DEG C.If do not carried out to core material Baking, when vacuumizing, moisture can constantly discharge under vacuum conditions on the surface of the material for absorption, this process needs to grow very much (if only needing 30 minutes after baking, do not toast and need 5 more than hour).This step carries out material before Vacuum Package Drying, can greatly improve production efficiency.
(2) core material after baking is taken out, is fitted into the plastic-aluminum combined barrier bag for being covered with glass-fiber-fabric, is subsequently placed in vacuum Room.Barrier bag is made by barrier film hot edge seal, and barrier film is by the protective layer of outer layer, intermediate barrier layer and the heat fusion of inside Layer is combined, and the paracentesis resistance of VIP can be improved in the glass fabric containing one layer of puncture-resistant on the outside of protective layer, this feature Can, meet the technical requirements of vacuum heat-insulating plate standard JGT 438-2014 for building, barrier layer is one or more layers knot containing aluminium Structure, the heat fusible layer are PE.
(3) open vacuum system vacuumize, evacuated time be greater than 10min, and vacuum chamber pressure be less than 5Pa when, to barrier Bag carries out Vacuum Heat sealing, obtains the vacuum heat-insulating plate being made of single layer super glass wool waste material core material.
The expansion rate and thermal coefficient initial value of the measurement vacuum heat-insulating plate of embodiment 3
Super glass wool waste material core thickness obtained in embodiment 1 is measured, average thickness 20.1mm is right The vacuum heat-insulating plate thickness of sample made in embodiment 2 measures, and average thickness is 18.8mm (cutting barrier bag thickness), Being calculated and vacuumizing the expansion rate of front and back is 6.9%, will not after so that VIP is lost vacuum after gas leakage or breakage less than 10% Along perpendicular to the expanded drum of board direction, prevents VIP from falling off from mounting, improve the security reliability that VIP is used, and It is able to satisfy the technical requirements of vacuum heat-insulating plate standard JGT 438-2014 for building.To vacuum heat-insulating plate obtained in embodiment 2 The thermal coefficient of sample is tested, and thermal coefficient initial value is 4.2mW/mK.
The durability of the test vacuum heat-insulating plate of embodiment 4
The vacuum insulation plate sample for taking 9 embodiments 2 to make, takes out after being immersed in the water 1 day, is wiped over clean surface, then It is placed in the ageing oven of temperature and humidity alternation and carries out damp and hot refrigerating cycle test 30 times, place 2 after taking-up under experimental conditions After it, test thermal conductivity value is 4.5mW/mK, and ascending amount △ is only 0.3mW/mK, close to nano silica core material Performance is less than 5mW/mK, can reach the I type index of vacuum heat-insulating plate for building after aging.
Damp and hot refrigerating cycle condition is as follows:
It is warming up to (70 ± 5) DEG C within (1) 1 hour, relative humidity RH (90 ± 5) %, is then kept for 3 hours;
It is cooled to temperature (- 20 ± 5) DEG C within (2) 1 hours, is then kept for 3 hours.
In above-mentioned technique, the waste material or leftover pieces that the raw material of use generates when being flame method production mineral wool are realized useless Material utilizes, and solves the waste disposal problem of flame method production mineral wool, not only created economic benefit for enterprise, but also can be reduced energy Source consumption and environmental pollution.Flame cotton is very thin, but after the process flow described in above-described embodiment 1, thickness can be made Biggish core material blank can be prepared by required thickness using single layer core material embryo material when making vacuum heat-insulating plate using the core material embryo material The vacuum heat-insulating plate of degree, compared with the prior art in the method that needs to prepare vacuum heat-insulating plate by stack technology, not only simplify The manufacture craft of vacuum heat-insulating plate, reduces production cost, while also improving production efficiency, moreover, single layer structure is true Empty heat-insulating shield is compared to the vacuum heat-insulating plate of stepped construction, and the intensity of plate is bigger, less easy fracture.Moreover, by above-mentioned implementation The experiment of example 3-4 measures it is found that due to fiber finer, and core material hole is small, without organic matter (the flame cotton rejected product that uses and useless Material is all free of organic matter, prepares in the technique of core material also that organic matter is not added), thermal coefficient rises pressure in plate unwise Sense rises very slowly at any time, can reach construction timber I type index, and service life greatly prolongs, and service life can be greater than 30 years, And expansion rate is low.Compared with prior art using core material of vacuum heat insulation plate produced by the present invention and its vacuum heat-insulating plate, no matter It is that all there is very big advantage from product performance index, cost and energy consumption environmental-friendly etc..
Finally, it is stated that although through the foregoing embodiment to the present invention have been described in detail, art technology Personnel should be appreciated that can make various changes to it in form and details, without departing from claims of the present invention Limited range.

Claims (10)

1. the method for preparing core material of vacuum heat insulation plate using super glass wool waste material, which is characterized in that step includes: by flame method The waste material or leftover pieces of mineral wool successively disperse through mashing, dilute with slurry, slagging-off, copy paper molding, negative pressure dehydration, drying, sanction It cuts, core material of vacuum heat insulation plate is made.
2. the method according to claim 1 for preparing core material of vacuum heat insulation plate using super glass wool waste material, feature exist In the microglass fiber diameter of the flame method mineral wool waste material or leftover pieces is 0.1-3 μm, length 0.5-5mm.
3. the core material of vacuum heat insulation plate prepared by method of any of claims 1 or 2.
4. according to core material of vacuum heat insulation plate described in right 3, which is characterized in that the thickness in monolayer of core material of vacuum heat insulation plate is 5- 40mm。
5. according to core material of vacuum heat insulation plate described in right 3, which is characterized in that the density of core material of vacuum heat insulation plate is 180- 250kg/m3
6. a kind of preparation method of vacuum heat-insulating plate, which comprises the steps of: by method described in claim 1 Single layer core material of vacuum heat insulation plate obtained, is fitted into barrier bag after tunnel oven for baking, taking-up, in vacuum seal in vacuum chamber Mouthful, the vacuum heat-insulating plate is made.
7. a kind of vacuum heat-insulating plate prepared by method of claim 6.
8. a kind of vacuum heat-insulating plate according to claim 7, which is characterized in that the barrier film by outer layer protection The heat fusible layer of layer, intermediate barrier layer and inside is combined, and layer of glass cloth is contained on the outside of the protective layer, The barrier layer is one or more layers structure containing aluminium, and the heat fusible layer is PE.
9. a kind of vacuum heat-insulating plate according to claim 7, which is characterized in that the core material of vacuum heat insulation plate vacuum seal Expansion rate before and after dress perpendicular to board direction is less than 10%.
10. a kind of vacuum heat-insulating plate according to claim 7, which is characterized in that include changing in being gone back in the barrier bag Adsorbent is learned, the chemosorbent is placed in the inside or surface of core material of vacuum heat insulation plate.
CN201910513678.2A 2019-06-14 2019-06-14 The method and vacuum heat-insulating plate of core material of vacuum heat insulation plate are prepared using super glass wool waste material Pending CN110220074A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910513678.2A CN110220074A (en) 2019-06-14 2019-06-14 The method and vacuum heat-insulating plate of core material of vacuum heat insulation plate are prepared using super glass wool waste material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910513678.2A CN110220074A (en) 2019-06-14 2019-06-14 The method and vacuum heat-insulating plate of core material of vacuum heat insulation plate are prepared using super glass wool waste material

Publications (1)

Publication Number Publication Date
CN110220074A true CN110220074A (en) 2019-09-10

Family

ID=67817117

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910513678.2A Pending CN110220074A (en) 2019-06-14 2019-06-14 The method and vacuum heat-insulating plate of core material of vacuum heat insulation plate are prepared using super glass wool waste material

Country Status (1)

Country Link
CN (1) CN110220074A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111578044A (en) * 2020-05-18 2020-08-25 江南大学 Functional heat-insulating composite material and preparation method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101793340A (en) * 2010-04-06 2010-08-04 重庆再升科技发展有限公司 Vacuum insulated panel core material and manufacturing method thereof
CN104294698A (en) * 2014-08-18 2015-01-21 常州大利节能新材料有限公司 Ultrastrong vacuum thermal insulation plate core material manufacturing technology
CN107354804A (en) * 2017-06-29 2017-11-17 合肥华凌股份有限公司 Recycle the method and its application of core material of vacuum heat insulation plate
CN107355640A (en) * 2017-07-19 2017-11-17 四川迈科隆真空新材料有限公司 The method and vacuum heat-insulating plate of core material of vacuum heat insulation plate are prepared using glass fibre aggregation leftover pieces
JP2018059536A (en) * 2016-09-30 2018-04-12 大日本印刷株式会社 Outer packing material for vacuum heat insulation material, vacuum heat insulation material, and article with vacuum heat insulation material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101793340A (en) * 2010-04-06 2010-08-04 重庆再升科技发展有限公司 Vacuum insulated panel core material and manufacturing method thereof
CN104294698A (en) * 2014-08-18 2015-01-21 常州大利节能新材料有限公司 Ultrastrong vacuum thermal insulation plate core material manufacturing technology
JP2018059536A (en) * 2016-09-30 2018-04-12 大日本印刷株式会社 Outer packing material for vacuum heat insulation material, vacuum heat insulation material, and article with vacuum heat insulation material
CN107354804A (en) * 2017-06-29 2017-11-17 合肥华凌股份有限公司 Recycle the method and its application of core material of vacuum heat insulation plate
CN107355640A (en) * 2017-07-19 2017-11-17 四川迈科隆真空新材料有限公司 The method and vacuum heat-insulating plate of core material of vacuum heat insulation plate are prepared using glass fibre aggregation leftover pieces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111578044A (en) * 2020-05-18 2020-08-25 江南大学 Functional heat-insulating composite material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN104140100B (en) The method of gas absorption microporous activated carbon is prepared in a kind of vacuum lyophilization
CN103904328B (en) A kind of preparation method of biomass lamella material with carbon element and application thereof
CN101910702B (en) Core material for vacuum insulation material, vacuum insulation material, and processes for producing these
CN106348274A (en) Method for preparing graphene from agriculture and forestry waste biomass as carbon source
CN102969489B (en) A kind of Si-C composite material and preparation method thereof, lithium ion battery containing this material
CN104157815B (en) A kind of Bacterial cellulose porous membrane and preparation method thereof
D'Amore et al. Innovative thermal and acoustic insulation foam from recycled waste glass powder
CN100560863C (en) A kind of preparation method of low-temperature thermal insulation paper
CN105060289B (en) A kind of method that few layer graphene is prepared based on biomass waste material
CN201266007Y (en) Continuous microwave hot wind combined drying equipment
CN103277631B (en) A kind of glass-fiber vacuum insulation panel nano core material and preparation method thereof
CN107606593A (en) A kind of steam raising plant based on surface local photothermal deformation
CN102522515A (en) Cellulose/polymer fiber composite diaphragm material for lithium secondary battery and preparation method thereof
CN102388253A (en) Vacuum insulation material and appliance provided therewith
CN105870425B (en) A kind of Carbon negative electrode material of sodium ion battery and preparation method thereof
CN104466110B (en) Preparation method of high-performance lithium ion battery negative electrode material
US8906339B2 (en) High modulus graphitized carbon fiber and method for fabricating the same
CN105135851B (en) A kind of belt infrared radiation drying system and its installation and drying means
CN103855346A (en) Storage battery AGM separator, preparation method thereof and storage battery
CN107293700A (en) A kind of lithium ion battery anode active material and preparation method thereof, negative pole and battery
CN103244793A (en) Novel glass fiber vacuum insulation panel core and preparation method
CN101074842A (en) Efficient energy-saving drying process and apparatus
CN106356557B (en) A kind of lithium ion battery fluorine doped aramid fiber polymeric compound electrolyte preparation method
CN103206027B (en) A kind of light-weight building vacuum heat-insulation plate
CN101694079A (en) Method for preparing nanometer glass fiber thermal insulation material by flame method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination