CN109185601A - A kind of high temperature resistant hard bilayers vacuum heat-insulating plate - Google Patents
A kind of high temperature resistant hard bilayers vacuum heat-insulating plate Download PDFInfo
- Publication number
- CN109185601A CN109185601A CN201811449379.9A CN201811449379A CN109185601A CN 109185601 A CN109185601 A CN 109185601A CN 201811449379 A CN201811449379 A CN 201811449379A CN 109185601 A CN109185601 A CN 109185601A
- Authority
- CN
- China
- Prior art keywords
- vacuum heat
- insulating plate
- high temperature
- temperature resistant
- resistant hard
- 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
Links
- 239000011162 core material Substances 0.000 claims abstract description 50
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000003365 glass fiber Substances 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 239000005030 aluminium foil Substances 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920002522 Wood fibre Polymers 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 30
- 229920000742 Cotton Polymers 0.000 description 9
- 239000000835 fiber Substances 0.000 description 8
- 238000007731 hot pressing Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000011152 fibreglass Substances 0.000 description 4
- 244000000626 Daucus carota Species 0.000 description 3
- 235000005770 birds nest Nutrition 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 235000005765 wild carrot Nutrition 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000011325 microbead Substances 0.000 description 2
- 239000011490 mineral wool Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000779 depleting effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- F16L59/028—Composition or method of fixing a thermally insulating material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of high temperature resistant hard bilayers vacuum heat-insulating plates, it is combined by internal layer vacuum heat-insulating plate, outer layer vacuum heat-insulating plate, it is hollow structure among the core material of outer layer vacuum heat-insulating plate, internal layer vacuum heat-insulating plate is placed in hollow structure, hard films material is equipped with outside the core material of outer layer vacuum heat-insulating plate, after vacuumize process, it is compounded to form high temperature resistant hard bilayers vacuum heat-insulating plate.The present invention can be effectively shielded from heat bridge effect, and thermal insulation property is superior, and the service life of product is effectively extended by structure design.
Description
Technical field
The invention patent relates to vacuum heat-insulating plate fields, and in particular to a kind of high temperature resistant hard bilayers vacuum heat-insulating plate.
Technical background
The English of vacuum heat-insulating plate is " Vacuum Insulation Panel ", and abbreviation VIP plate, is in thermal insulation material
One kind is combined by filling core material and vacuum protection surface layer, it is effectively prevented from the transmitting of heat caused by cross-ventilation, therefore
Thermal coefficient can be greatly lowered, and be less than 0.0025w/m.k, and do not contain any OD material (ozone depleting substances), tool
There are environmental protection and energy-efficient characteristic, is current efficient thermal insulation material state-of-the-art in the world.
Core material is the important component of VIP plate, plays the role of vital, pumping to the thermal coefficient of vacuum heat-insulating plate
Core material after vacuum has certain intensity, can play the role of skeletal support, and the fiber of core material is distributed the insulation to VIP plate
Degree plays a decisive role.The fiber distribution of core material is more uniform, its thermal coefficient is lower, then heat-insulating property is better.
The core material of vacuum heat-insulating plate is mainly monomer core material at present, i.e. an only monolith core material, such as powder core material, micropore
Polyurethane core material and glass fiber core material etc., these core materials all have good heat-insulation and heat-preservation.But single layer core material also has it
Limitation can play the role of heat-insulating property superposition, can also effectively improve vacuum if two blocks of different core materials are met together
The service life etc. of heat-insulating shield.So being current to be badly in need of solving with regard to how to invent a kind of high temperature resistant hard multi-layer vacuum heat-insulating plate
A problem.
The Chinese patent application of Patent No. CN107639920A discloses a kind of compound dry method hot pressing of low thermal conductivity
Core material of vacuum heat insulation plate and preparation method thereof, belongs to glass-fibre technology field, the core material by mass percentage, by 70~
80wt% ultra-fine fibre glass dry method volume cotton and 20~30wt% wet process core material of vacuum heat insulation plate hot pressing form, which realizes
Ultra-fine fibre glass dry method rolls up the seamless combination of cotton and wet process core material of vacuum heat insulation plate, and thermal coefficient is further reduced, table
Surface evenness is higher.It, will superfine glass in the prior art the method includes at fine, collection cotton, clot, paving cotton, hot pressing and cutting
Fiber production is separated with hot pressing, carry out the two can individually, solves hot pressing in the prior art and ultra-fine fibre glass production
Line both sides' speeds match problem cooperates the production process of different performance ultra-fine fibre glass with the hot pressing process and carries out.
A kind of core material of vacuum heat insulation plate of the Chinese patent application of Patent No. CN107588287A, wherein the vacuum
Insulated panel core material includes mineral wool board, and the density of the mineral wool board is 250~300Kg/m3.It is exhausted that the invention additionally provides the vacuum
The preparation method of hot plate core material, and the vacuum heat-insulating plate including the core material of vacuum heat insulation plate.The vacuum that the invention provides is exhausted
Hot plate core material not only promotes refuse reclamation, but also significantly reduces the production cost of core material of vacuum heat insulation plate and obtain preferable
Fire protecting performance, can be cost-effective for producing movable board room field.
A kind of thermal coefficient of the Chinese patent application of Patent No. CN103196007A is smaller, lower-cost vacuum is exhausted
Hot plate core material and preparation method thereof.The core material of vacuum heat insulation plate includes mixed-forming: 70-100wt%, diameter be 6~
13um, length be 4~20mm fiber elongation method production glass chopped silk and 0~30wt%, diameter be 1.0~4um, length
For the glass fibre cotton of 1~5mm flame method production.Core plate production method uses multilayer liquid feeding, and multilayer vacuumizes dehydration, makes core plate
Inside composed structure thin and that fiber alignment is neat is formed, this structure is conducive to the reduction of core material thermal coefficient.
A kind of micro-structure of the Chinese patent application of Patent No. CN102620114A imitates the core material of vacuum heat insulation plate of Bird's Nest
And preparation method thereof, which is made of the aperture that inorfil cotton and inorfil cotton surround, and is a kind of heat-barrier material, can make
For core material of vacuum heat insulation plate.The invention is from bionics principle, using plastic microbead as core, bird saliva is imitated with inorganic glue, to cotton
Silk overlapped points are fixed, and make inorfil cotton in plastic microbead surface low-density uniform winding, and institute's shape after being decomposed with microballon
It is present in the gap between Bird's Nest branch at cavity is imitative, is prepared for a kind of stable structure, the micro-structure that fibre net homogeneity is good, rebound degree is low
The composite vacuum insulation plate core material of similar Bird's Nest.
Such as above-mentioned several patents, the relevant technical products in this field are disclosed, but how to improve making for vacuum heat-insulating plate
It is that technical problems to be solved are badly in need of in this field with service life and heat-insulating property.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of high temperature resistant hard bilayers vacuum heat-insulating plates.
In order to solve the above-mentioned technical problem, used technical solution is: a kind of high temperature resistant hard bilayers vacuum heat-insulating plate,
It is combined by internal layer vacuum heat-insulating plate and outer layer vacuum heat-insulating plate, outer layer vacuum heat-insulating plate middle section is hollow knot
Structure, the internal layer vacuum heat-insulating plate are placed in hollow structure;It is covered with hard film layer outside the core material of the outer layer vacuum heat-insulating plate,
After vacuumize process, be formed as high temperature resistant hard bilayers vacuum heat-insulating plate.
As an improvement, upper and lower surfaces 0.1-2.0cm of the hollow structure apart from outer layer vacuum heat-insulating plate, a distance left side,
Right hand edge 1.0-2.0cm, apart from front and rear edges 1.0-2.0cm.
As an improvement, the size of the internal layer vacuum heat-insulating plate is identical as hollow structure size.
As an improvement, the core material of the outer layer vacuum heat-insulating plate is by mass percentage, by 70-80wt% rotary glass
The nanometer wood fibre of fiber, the flame glass fibre of 10-15wt% and 10-15wt% is prepared.
As an improvement, the hard membrane material is stainless steel membrane material, with a thickness of 0.1-3mm.
As an improvement, the core material of the internal layer vacuum heat-insulating plate is by mass percentage, it is fine by 60-80wt% rotary glass
The flame glass fibre of peacekeeping 20-40wt% forms.
As an improvement, the internal layer vacuum insulation plate surface covers composite film, the membrane material of the composite film is by poly- second
Alkene, polypropylene, polyester, any two kinds or any three kinds or any four or is all combined in nylon at aluminium foil.
Advantage for present invention: (1) two layers of vacuum heat-insulating plate is combined to the insulation for improving vacuum heat-insulating plate together
Heat insulating ability.(2) product service life is high.(3) after one of failure of vacuum heat-insulating plate, another piece still can normally make
With improving its use scope and condition.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Appended drawing reference are as follows: 10, the core material of outer layer vacuum heat-insulating plate;20, internal layer vacuum heat-insulating plate;30, hard membrane material.
Specific embodiment
Combined with specific embodiments below, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate the present invention
Rather than limit the scope of the invention, after the present invention has been read, those skilled in the art are to various equivalences of the invention
It is as defined in the appended claims that the modification of form falls within the application.
A kind of high temperature resistant hard bilayers vacuum heat-insulating plate is combined by internal layer vacuum heat-insulating plate, outer layer vacuum heat-insulating plate,
It is hollow structure among the core material 10 of outer layer vacuum heat-insulating plate, internal layer vacuum heat-insulating plate 20 is placed in hollow structure, outer layer vacuum
It is covered with hard films material 30 outside the core material 10 of heat-insulating shield, forms high temperature resistant hard bilayers vacuum heat-insulating plate after vacuumize process.
The hard membrane material 30 of the high temperature resistant hard bilayers vacuum heat-insulating plate is stainless steel, and thickness is in 0.1-3mm.It is preferred that
For 2mm.The core material of the internal layer vacuum heat-insulating plate 20 by 60-80wt% centrifugal glass fibre and 20-40wt% flame glass
Glass fiber composition.
The membrane material of the internal layer vacuum heat-insulating plate 20 is by any two kinds in polyethylene, aluminium foil, polypropylene, polyester, nylon
Or any three kinds or it is any four kinds or all be combined.Such as it can choose are as follows: from inside and outside to being followed successively by polyethylene, aluminium
Foil, polypropylene, three layers of compound tense, each thickness degree are followed successively by 10-30nm, 20-75nm, 30-50nm, by three layers of film layer after compound
It is wrapped in core material outer layer, vacuumize process is carried out and obtains internal layer vacuum heat-insulating plate 20.
In addition, the core material 10 of the outer layer vacuum heat-insulating plate is by 70-80wt% centrifugation glass fiber, the flame of 10-15wt%
The nanometer wood fibre of glass fibre and 10-15wt% are prepared.Core material 10 is cut, intermediate setting is hollow knot
Internal layer vacuum heat-insulating plate is arranged in hollow structure structure, meanwhile, hollow structure size is identical as interior vacuum insulation board size.
Upper and lower surfaces of the hollow structure apart from outer layer vacuum heat-insulating plate are 0.1-2.0cm, apart from left and right edge
It is 1.0-2.0cm apart from back edge for 1.0-2.0cm.
The core material for selecting different fibre fractionations is made different high temperature resistant hard bilayers vacuum heat-insulating plates, and measures and lead
Hot coefficient is as shown in the table:
Table 1
The high temperature resistant hard bilayers vacuum heat-insulating plate of the core material preparation of different fiber compositions
Be shown in Table 1, in 3 groups of embodiments, thermal coefficient be respectively 0.0025w/m2.k, 0.0028w/m2.k,
0.0023w/m2.k, it is seen that obtained high temperature resistant hard bilayers vacuum heat-insulating plate has efficient adiabatic heat-insulation.
It above are only the specific embodiment of the present invention, but the design concept of the present invention is not limited to this, all benefits
It is made a non-material change to the present invention with this design, should belong to the behavior for invading the scope of protection of the invention.But it is all
Without departing from the content of technical solution of the present invention, according to the technical essence of the invention any type of letter to the above embodiments
Single modification, equivalent variations and remodeling, still fall within the protection scope of technical solution of the present invention.
Claims (7)
1. a kind of high temperature resistant hard bilayers vacuum heat-insulating plate, it is characterised in that: by internal layer vacuum heat-insulating plate (20) and outer layer vacuum
Heat-insulating shield (10) is combined, and outer layer vacuum heat-insulating plate (10) middle section is hollow structure, the internal layer vacuum insulation
Plate (20) is placed in hollow structure;Hard film layer (30) are covered with outside the core material of the outer layer vacuum heat-insulating plate (10), are vacuumized
After processing, be formed as high temperature resistant hard bilayers vacuum heat-insulating plate.
2. a kind of high temperature resistant hard bilayers vacuum heat-insulating plate according to claim 1, it is characterised in that: the hollow knot
Upper and lower surfaces 0.1-2.0cm of the structure apart from outer layer vacuum heat-insulating plate, apart from left and right edge 1.0-2.0cm, apart from front and rear edges
1.0-2.0cm。
3. a kind of high temperature resistant hard bilayers vacuum heat-insulating plate according to claim 1, it is characterised in that: the internal layer is true
The size of empty heat-insulating shield (20) is identical as hollow structure size.
4. a kind of high temperature resistant hard bilayers vacuum heat-insulating plate according to claim 1, it is characterised in that: the outer layer is true
The core material of empty heat-insulating shield by mass percentage, by 70-80wt% centrifugal glass fibre, the flame glass fibre of 10-15wt%
It is prepared with the nanometer wood fibre of 10-15wt%.
5. a kind of high temperature resistant hard bilayers vacuum heat-insulating plate according to claim 1, it is characterised in that: the hard films
Material is stainless steel membrane material, with a thickness of 0.1-3mm.
6. a kind of high temperature resistant hard bilayers vacuum heat-insulating plate according to claim 1, it is characterised in that: the internal layer vacuum
The core material of heat-insulating shield by mass percentage, by the flame glass fibre group of 60-80wt% centrifugal glass fibre and 20-40wt%
At.
7. a kind of high temperature resistant hard bilayers vacuum heat-insulating plate according to claim 1, it is characterised in that: the internal layer vacuum
Heat-insulating shield (20) surface covers composite film, and the membrane material of the composite film is by polyethylene, aluminium foil, polypropylene, polyester, nylon
Any two kinds or any three kinds or any four are all combined.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811449379.9A CN109185601A (en) | 2018-11-30 | 2018-11-30 | A kind of high temperature resistant hard bilayers vacuum heat-insulating plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811449379.9A CN109185601A (en) | 2018-11-30 | 2018-11-30 | A kind of high temperature resistant hard bilayers vacuum heat-insulating plate |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109185601A true CN109185601A (en) | 2019-01-11 |
Family
ID=64938432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811449379.9A Pending CN109185601A (en) | 2018-11-30 | 2018-11-30 | A kind of high temperature resistant hard bilayers vacuum heat-insulating plate |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109185601A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111578045A (en) * | 2020-05-22 | 2020-08-25 | 上海海事大学 | Multifunctional composite vacuum insulation panel and manufacturing and packaging method thereof |
CN114919248A (en) * | 2022-04-28 | 2022-08-19 | 苏州市君悦新材料科技股份有限公司 | Preparation method of vacuum heat insulation plate |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101504105A (en) * | 2009-03-12 | 2009-08-12 | 成都思摩纳米技术有限公司 | Glass fibre reinforced plastic integral composite vacuum insulation plate, manufacturing method and use thereof |
CN104565683A (en) * | 2015-02-04 | 2015-04-29 | 滁州银兴电气有限公司 | Double-layer hot-seal high-obstruction composite vacuum insulation board |
CN105156839A (en) * | 2015-09-22 | 2015-12-16 | 苏州维艾普新材料股份有限公司 | Vacuum insulating board layered composite core material |
CN105570620A (en) * | 2016-01-19 | 2016-05-11 | 南京航空航天大学 | High-temperature-resistant cold-insulation double-faced composite vacuum heat-insulating board |
CN107781582A (en) * | 2017-11-27 | 2018-03-09 | 无锡市明江保温材料有限公司 | Vacuum composite thermal insulating plate |
CN209309561U (en) * | 2018-11-30 | 2019-08-27 | 南京工业大学 | A kind of high temperature resistant hard bilayers vacuum heat-insulating plate |
-
2018
- 2018-11-30 CN CN201811449379.9A patent/CN109185601A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101504105A (en) * | 2009-03-12 | 2009-08-12 | 成都思摩纳米技术有限公司 | Glass fibre reinforced plastic integral composite vacuum insulation plate, manufacturing method and use thereof |
CN104565683A (en) * | 2015-02-04 | 2015-04-29 | 滁州银兴电气有限公司 | Double-layer hot-seal high-obstruction composite vacuum insulation board |
CN105156839A (en) * | 2015-09-22 | 2015-12-16 | 苏州维艾普新材料股份有限公司 | Vacuum insulating board layered composite core material |
CN105570620A (en) * | 2016-01-19 | 2016-05-11 | 南京航空航天大学 | High-temperature-resistant cold-insulation double-faced composite vacuum heat-insulating board |
CN107781582A (en) * | 2017-11-27 | 2018-03-09 | 无锡市明江保温材料有限公司 | Vacuum composite thermal insulating plate |
CN209309561U (en) * | 2018-11-30 | 2019-08-27 | 南京工业大学 | A kind of high temperature resistant hard bilayers vacuum heat-insulating plate |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111578045A (en) * | 2020-05-22 | 2020-08-25 | 上海海事大学 | Multifunctional composite vacuum insulation panel and manufacturing and packaging method thereof |
CN111578045B (en) * | 2020-05-22 | 2022-01-28 | 上海海事大学 | Multifunctional composite vacuum insulation panel and manufacturing and packaging method thereof |
CN114919248A (en) * | 2022-04-28 | 2022-08-19 | 苏州市君悦新材料科技股份有限公司 | Preparation method of vacuum heat insulation plate |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107339549B (en) | The core material and its production method and vacuum heat-insulating plate that vacuum heat-insulating plate uses | |
CN109185601A (en) | A kind of high temperature resistant hard bilayers vacuum heat-insulating plate | |
CN209309561U (en) | A kind of high temperature resistant hard bilayers vacuum heat-insulating plate | |
CN102912871B (en) | External wall fireproof heat preservation plate | |
CN102953230A (en) | Glass fiber chopped strand mat, production method and core material for vacuum heat-insulation boards | |
CN107355640A (en) | The method and vacuum heat-insulating plate of core material of vacuum heat insulation plate are prepared using glass fibre aggregation leftover pieces | |
CN107215012A (en) | A kind of A grades fire-retardant acoustical absorption heat preserving veneer glass wool product | |
CN107162546A (en) | A kind of diatom plate with antibacterial functions and preparation method thereof | |
CN107023087A (en) | A kind of excellent vacuum heat-insulating plate of fire protecting performance and its production method | |
CN104494235B (en) | A kind of vacuum heat-insulating plate and manufacture method thereof | |
CN103570333B (en) | Ultra-thin vermiculite-based fire-proof plate and preparation method thereof | |
CN105036797B (en) | Multilayered-structure porous ceramic sound-absorbing material and preparing method thereof | |
CN102979009A (en) | Chopped glass fiber core material harmless to human body and preparation method thereof | |
CN203831862U (en) | Environmentally friendly bamboo fiberboard | |
KR20040035914A (en) | Fiber board with thermally-treated surface | |
CN102561583B (en) | Heat preservation wall slab for rear wall of greenhouse | |
CN112573891A (en) | Far infrared health maintenance diatom ooze board and preparation method thereof | |
CN205344017U (en) | Phenolic foam presss from both sides core flame -retardant composite board | |
CN107339551A (en) | A kind of long fibre weaves core material vacuum heat-insulating material | |
CN106468038B (en) | Aramid fiber cellular fibronectin paper and preparation method thereof | |
CN203049805U (en) | Extruded sheet composite insulation board | |
CN103204665A (en) | Fiber and particle hybrid inorganic composite material felt and making method thereof | |
CN106956339A (en) | Straw curtain foundation wall body plate of material and preparation method thereof | |
CN203007728U (en) | Harmless chopped fiberglass core material | |
CN106003273B (en) | A kind of environment-friendly wood plate and preparation method thereof based on Porous Medium Adsorption effect |
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 |