CN105906367A - Non-fired high-hardness cordierite honeycomb ceramic skin and production method thereof - Google Patents
Non-fired high-hardness cordierite honeycomb ceramic skin and production method thereof Download PDFInfo
- Publication number
- CN105906367A CN105906367A CN201610267988.7A CN201610267988A CN105906367A CN 105906367 A CN105906367 A CN 105906367A CN 201610267988 A CN201610267988 A CN 201610267988A CN 105906367 A CN105906367 A CN 105906367A
- Authority
- CN
- China
- Prior art keywords
- cordierite
- honeycomb ceramic
- cordierite honeycomb
- powder
- crust
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Filtering Materials (AREA)
Abstract
Non-fired high-hardness cordierite honeycomb ceramic skin and a production method thereof are provided. The skin comprises cordierite powder, cordierite honeycomb ceramic powder, cellulose, sodium stearate, ceramic fiber, a fiber dispersant, silicon sol and water. The production method comprises the following steps: weighing proportionally the cordierite powder, cordierite honeycomb ceramic powder, cellulose and sodium stearate, and mixing well to obtain cordierite dried powder; weighing proportionally the ceramic fiber, fiber dispersant and water, and mixing well to obtain an aid; mixing the cordierite dried powder with the aid to obtain skin paste material; scrape-applying the skin paste material to the surface of the cordierite honeycomb ceramic; drying the cordierite honeycomb ceramic to form non-fired high-hardness skin on the surface of the cordierite honeyc9omb ceramic. The production method of the invention requires no firing of the skin, saving cost and manpower; the produced skin has high hardness, is good in tightness and never cracks or sheds during coating of a catalyst.
Description
Technical field
The present invention relates to cordierite honeycomb ceramic field, particularly relate to a kind of unburned high rigidity cordierite honeycomb ceramic crust and preparation method.
Background technology
Raising day by day along with the environmental consciousness of people, and the exhaustion of Fossil fuel and the rise of gas price, due to the preferable power of diesel engine and fuel economy, diesel engine is obtaining general development, and diesel engine vent gas purify after-treatment system in large scale (Φ ＞ 150mm) ceramic honey comb essential, and for large scale cordierite honeycomb ceramic, one-shot forming is it is difficult to ensure that its diameter tolerance is within 2mm, it is thus desirable to the cordierite honeycomb ceramic formed by a firing is carried out peripheral milling according to dimensional requirement, one layer of crust is scratched again on the honeycomb surface of milled cylindrical, ensure that large scale cordierite honeycomb ceramic tolerance can also make it have preferable outward appearance while being contracted in 1.5mm, make produced cordierite honeycomb ceramic surface have higher-strength alleviate or stop side to leak gas simultaneously.
The crust of cordierite honeycomb ceramic in the market is divided into be fired and unburned two types.The crust fired is one layer of crust mud of blade coating after peripheral milling, then fires through the secondary of 800-1200 DEG C, thus obtains the cordierite skin with higher hardness.Cordierite honeycomb ceramic crust prepared by this kind of method has higher intensity, but due to 2 sintering of needs so that the cost of product is greatly improved.Another is baking-free type crust, this kind of crust is to scratch the have preferable plastic crust mud same or like with ceramic honey comb material on the ceramic honey comb surface of milled cylindrical, it is dried (within 200 DEG C) at a lower temperature, obtains the cordierite honeycomb ceramic crust with higher-strength after drying.This kind of method is to use the most universal a kind of outer peel preparation method on market.The sclerosing agent that unburned cordierite honeycomb ceramic crust is conventional is Ludox, and the nanometer grade silica that Ludox produces after dehydration process can form certain network structure by siliconoxygen bond, thus plays the effect increasing crust mud intensity.But the network potentiation that Ludox is formed is limited, on market, this series products still suffers from soaking and easily peels off, is difficult to by the problem such as 500 DEG C and above thermal shock.
Summary of the invention
Present invention aim at providing a kind of unburned high rigidity cordierite honeycomb ceramic crust and preparation method, by while using Ludox as sclerosing agent, it is added to a certain amount of ceramic fibre and can strengthen the intensity of crust mud and improve its thermal shock resistance simultaneously.Can be by the thermal shock of 500-650 DEG C.
For achieving the above object, the unburned high rigidity cordierite honeycomb ceramic crust that the present invention provides, including, cordierite dry powder and auxiliary agent, wherein,
Described cordierite dry powder, including: cordierite powder, cordierite honeycomb ceramic powder, cellulose, and stearic acid sodium；The particle size range of described cordierite powder be 30-75 μm, the particle size range of described cordierite honeycomb ceramic powder be 10 μm-45 μm；Or the particle size range of described cordierite powder be 10 μm-45 μm, the particle size range of described cordierite honeycomb ceramic powder be 30-75 μm.
Further, described auxiliary agent, including: ceramic fibre, dispersing agent for fibre, Ludox and water.
Further, described cordierite powder is cordierite honeycomb ceramic powder.
Further, described cordierite powder be 50-150 weight portion, cordierite honeycomb ceramic powder be 50-150 weight portion, cellulose be 0.1-3 weight portion, stearic acid sodium 0-5 weight portion.
Further, ceramic fibre 1-50 weight portion, dispersing agent for fibre are 0.1-10 weight portion, Ludox 50-150 weight portion and water 50-150 weight portion.
Further, one or more during described ceramic fibre is alumina silicate fibre, glass fibre, meerschaum.
Further, one or more during described ceramic fibre dispersant is potassium laurate solution, stearic acid sodium, polyethylene glycol oxide, Polyethylene Glycol, polyvinyl alcohol.
Further, described Ludox, its solid content is 30-40%.
For achieving the above object, the outer peel preparation method of the unburned high rigidity cordierite honeycomb ceramic that the present invention provides, comprise the following steps:
1) weighing cordierite powder, cordierite honeycomb ceramic powder, cellulose and stearic acid sodium in proportion, mix homogeneously obtains cordierite dry powder；
2) proportionally weighing ceramic fibre, dispersing agent for fibre, Ludox and water, mix homogeneously obtains auxiliary agent；
3) carry out being mixed and made into crust pug by above-mentioned cordierite dry powder and above-mentioned auxiliary agent；
4) above-mentioned crust pug is scratched on cordierite honeycomb ceramic surface；
5) above-mentioned cordierite honeycomb ceramic is dried, forms the crust with unburned high rigidity on cordierite honeycomb ceramic surface.
Further, above-mentioned cordierite honeycomb ceramic is dried by described step 5), is to be dried at room temperature for 12h-24h or step up temperature to 70-150 DEG C according to the heating schedule of 5-50 DEG C per hour in drying plant, is incubated 2-10h.
Using the preparation method of the present invention without sintering, cost-effective, manpower, prepared cordierite honeycomb ceramic crust has higher hardness, can be by the thermal shock of 500-650 DEG C, and crust closure is good, will not ftracture or come off in catalyst application process.
The cordierite powder prepared due to embodiment of the present invention major ingredient employing cordierite honeycomb ceramic self, therefore technical scheme is not only suitable for catalyst carrier (SCR DOC) and is also applied for diesel engine particle catcher (DPF POC), is applicable to the cordierite honeycomb ceramic of different heat expansion coefficient simultaneously.
Detailed description of the invention
Hereinafter the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains the present invention, is not intended to limit the present invention.
The unburned high rigidity cordierite honeycomb ceramic crust of the present invention, including cordierite dry powder and auxiliary agent, wherein,
Cordierite dry powder includes following raw material: cordierite powder, cordierite honeycomb ceramic powder, cellulose, and stearic acid sodium.
Auxiliary agent includes following raw material: ceramic fibre, dispersing agent for fibre, Ludox, and water.
Embodiment 1
The unburned high rigidity cordierite honeycomb ceramic crust of the present embodiment, including, cordierite powder 80 weight portion of 30 μm particle diameters, cordierite honeycomb ceramic powder 120 weight portion of 15 μm particle diameters, cellulose 1.5 weight portion, stearic acid sodium 5 weight portion, ceramic fibre 20 weight portion, dispersing agent for fibre 0.5 weight portion, Ludox 110 weight portion of 30% solid content, water 60 weight portion.
Embodiment 2
The unburned high rigidity cordierite honeycomb ceramic crust of the present embodiment, including, cordierite powder 50 weight portion of 10 μm particle diameters, cordierite honeycomb ceramic powder 250 weight portion of 40 μm particle diameters, cellulose 1 weight portion, stearic acid sodium 1 weight portion, ceramic fibre 30 weight portion, dispersing agent for fibre 2 weight portion, Ludox 120 weight portion of 32% solid content, water 50 weight portion.
Embodiment 3
The unburned high rigidity cordierite honeycomb ceramic crust of the present embodiment, including, cordierite powder 100 weight portion of 70 μm particle diameters, cordierite honeycomb ceramic powder 100 weight portion of 45 μm particle diameters, cellulose 1.3 weight portion, stearic acid sodium 1 weight portion, ceramic fibre 20 weight portion, dispersing agent for fibre 0.5 weight portion, Ludox 110 weight portion of 32% solid content, water 60 weight portion.
Embodiment 4
The unburned high rigidity cordierite honeycomb ceramic crust of the present embodiment, including, cordierite powder 250 weight portion of 30 μm particle diameters, cordierite honeycomb ceramic powder 50 weight portion of 75 μm particle diameters, cellulose 1.5 weight portion, stearic acid sodium 0.5 weight portion, ceramic fibre 50 weight portion, dispersing agent for fibre 10 weight portion, Ludox 100 weight portion of 33% solid content, water 70 weight portion.
Embodiment 5
The unburned high rigidity cordierite honeycomb ceramic crust of the present embodiment, including, cordierite honeycomb ceramic powder 120 weight portion of 40 μm particle diameters, cordierite honeycomb ceramic powder 90 weight portion of 20 μm particle diameters, cellulose 0.1 weight portion, stearic acid sodium 1.5 weight portion, ceramic fibre 25 weight portion, dispersing agent for fibre 5 weight portion, Ludox 60 weight portion of 37% solid content, water 110 weight portion.
Embodiment 6
The unburned high rigidity cordierite honeycomb ceramic crust of the present embodiment, including, cordierite powder 90 weight portion of 40 μm particle diameters, cordierite powder 120 weight portion of 20 μm particle diameters, cellulose 5 weight portion, stearic acid sodium 0 weight portion, ceramic fibre 5 weight portion, dispersing agent for fibre 0.1 weight portion, Ludox 100 weight portion of 40% solid content, water 60 weight portion.
In the above-described embodiments, the cordierite honeycomb ceramic powder added is the powder obtained by cordierite honeycomb ceramic needing to do skin；Cordierite powder is outsourcing cordierite powder or cordierite honeycomb ceramic powder, for needing the powder done obtained by the cordierite honeycomb ceramic of skin.
The ceramic fibre used is one or more combinations in alumina silicate fibre, glass fibre, meerschaum.
The ceramic fibre dispersant used refers to the scattered material of ceramic fibre that will reunite, the ceramic fibre dispersant that the present invention uses is: one or more combinations in polyvinyl alcohol, Polyethylene Glycol, polyvinyl alcohol, stearic acid sodium, moon potassium silicate etc., wherein preferably comprises polyethylene glycol oxide and potassium laurate solution.
The preferred 30%-40% of solid content of the Ludox used, according to the difference of solid content, adjusts addition in 50-150 part weight.
Below, the outer peel preparation method of unburned high rigidity cordierite honeycomb ceramic of the present invention will be described in detail.
(1) proportionally weighing cordierite powder, cordierite honeycomb ceramic powder, cellulose and stearic acid sodium, be sufficiently stirred for after mixing, mix homogeneously obtains cordierite dry powder；
(2) proportionally weighing ceramic fibre, dispersing agent for fibre, Ludox and water, be sufficiently stirred for after mixing, mix homogeneously obtains auxiliary agent；
(3) above-mentioned cordierite dry powder is mixed with above-mentioned auxiliary agent, be sufficiently stirred for making required crust pug；
(4) the crust pug prepared uniformly is scratched on cordierite honeycomb ceramic surface；
(5) being dried 12-24 hour by the ceramic honey comb that crust was scraped in above-mentioned uniform painting, drying mode can be that under room temperature, natural drying or use drying equipment gradually heat up dry in the environment of not higher than 150 DEG C；
(6) through the most dried, the crust with unburned high rigidity is formed on cordierite honeycomb ceramic surface.
It is dried embodiment 1
It is positioned over scraping the cordierite honeycomb ceramic coating crust on drying frame so that it is natural drying 12h under being room temperature.
It is dried embodiment 2
It is positioned over scraping the cordierite honeycomb ceramic coating crust on drying frame so that it is natural drying 24h under being room temperature.
It is dried embodiment 3
Being positioned over scraping the cordierite honeycomb ceramic coating crust on drying frame, be put in drying plant and step up temperature to 150 DEG C according to the following heating schedule according to per hour 10 DEG C, 100 DEG C of insulation 2h are dried to crust.
It is dried embodiment 4
Being positioned over scraping the cordierite honeycomb ceramic coating crust on drying frame, be put in drying plant and step up temperature to 100 DEG C according to the following heating schedule according to per hour 50 DEG C, 100 DEG C of insulation 5h are dried to crust.
It is dried embodiment 5
Being positioned over scraping the cordierite honeycomb ceramic coating crust on drying frame, be put in drying plant and step up temperature to 70 DEG C according to the following heating schedule according to per hour 5 DEG C, 100 DEG C of insulation 10h are dried to crust.
The unburned cordierite honeycomb ceramic crust with higher hardness that the present invention provides, it is possible to be applicable to different heat expansion coefficient and the cordierite honeycomb ceramic of different purposes.
One of ordinary skill in the art will appreciate that: the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, although the present invention being described in detail with reference to previous embodiment, for a person skilled in the art, the technical scheme that foregoing embodiments is recorded still can be modified by it, or wherein portion of techniques feature is carried out equivalent.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a unburned high rigidity cordierite honeycomb ceramic crust, including, cordierite dry powder and auxiliary agent, it is characterised in that described cordierite dry powder, including, cordierite powder, cordierite honeycomb ceramic powder, cellulose, and stearic acid sodium；Described auxiliary agent, including, ceramic fibre, dispersing agent for fibre, Ludox and water.
Unburned high rigidity cordierite honeycomb ceramic crust the most according to claim 1, it is characterised in that the particle size range of described cordierite powder be 30-75 μm, the particle size range of described cordierite honeycomb ceramic powder be 10 μm-45 μm；Or the particle size range of described cordierite powder be 10 μm-45 μm, the particle size range of described cordierite honeycomb ceramic powder be 30-75 μm.
Unburned high rigidity cordierite honeycomb ceramic crust the most according to claim 1, it is characterised in that described cordierite powder is cordierite honeycomb ceramic powder.
Unburned high rigidity cordierite honeycomb ceramic crust the most according to claim 1, it is characterised in that described cordierite powder be 50-150 weight portion, cordierite honeycomb ceramic powder be 50-150 weight portion, cellulose be 0.1-3 weight portion, stearic acid sodium 0-5 weight portion.
Unburned high rigidity cordierite honeycomb ceramic crust the most according to claim 1, it is characterised in that ceramic fibre 1-50 weight portion, dispersing agent for fibre are 0.1-10 weight portion, Ludox 50-150 weight portion and water 50-150 weight portion.
The most unburned high rigidity cordierite honeycomb ceramic crust, it is characterised in that described ceramic fibre is one or more in alumina silicate fibre, glass fibre, meerschaum.
The most unburned high rigidity cordierite honeycomb ceramic crust, it is characterised in that described ceramic fibre dispersant is one or more in potassium laurate solution, stearic acid sodium, polyethylene glycol oxide, Polyethylene Glycol, polyvinyl alcohol.
The most unburned high rigidity cordierite honeycomb ceramic crust, it is characterised in that described Ludox, its solid content is 30-40%.
9. the outer peel preparation method of unburned high rigidity cordierite honeycomb ceramic, it is characterised in that comprise the following steps:
1) weighing cordierite powder, cordierite honeycomb ceramic powder, cellulose and stearic acid sodium in proportion, mix homogeneously obtains cordierite dry powder；
2) proportionally weighing ceramic fibre, dispersing agent for fibre, Ludox and water, mix homogeneously obtains auxiliary agent；
3) carry out being mixed and made into crust pug by above-mentioned cordierite dry powder and above-mentioned auxiliary agent；
4) above-mentioned crust pug is scratched on cordierite honeycomb ceramic surface；
5) above-mentioned cordierite honeycomb ceramic is dried, forms the crust with unburned high rigidity on cordierite honeycomb ceramic surface.
The outer peel preparation method of unburned high rigidity cordierite honeycomb ceramic the most according to claim 9, it is characterized in that, above-mentioned cordierite honeycomb ceramic is dried by described step 5), it is to be dried at room temperature for 12h-24h or step up temperature to 70-150 DEG C according to the heating schedule of 5-50 DEG C per hour in drying plant, is incubated 2-10h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610267988.7A CN105906367A (en) | 2016-04-27 | 2016-04-27 | Non-fired high-hardness cordierite honeycomb ceramic skin and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610267988.7A CN105906367A (en) | 2016-04-27 | 2016-04-27 | Non-fired high-hardness cordierite honeycomb ceramic skin and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105906367A true CN105906367A (en) | 2016-08-31 |
Family
ID=56753124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610267988.7A Pending CN105906367A (en) | 2016-04-27 | 2016-04-27 | Non-fired high-hardness cordierite honeycomb ceramic skin and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105906367A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107915498A (en) * | 2017-11-21 | 2018-04-17 | 重庆奥福精细陶瓷有限公司 | A kind of low thermal expansion major diameter honeycomb ceramic carrier and preparation method thereof |
| CN112574603A (en) * | 2020-11-27 | 2021-03-30 | 山东鲁阳浩特高技术纤维有限公司 | Honeycomb ceramic carrier surface reinforcing coating and preparation method and application thereof |
| CN115536375A (en) * | 2022-10-14 | 2022-12-30 | 云南菲尔特环保科技股份有限公司 | Low-thermal-expansion and high-thermal-shock-resistance pansy honeycomb ceramic skin and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101801879A (en) * | 2007-07-31 | 2010-08-11 | 康宁股份有限公司 | Be applied to the composition of ceramic honeycomb body |
| CN102276288A (en) * | 2011-05-31 | 2011-12-14 | 宜兴王子制陶有限公司 | Preparation method of honeycomb ceramic having outer skin |
| CN104402384A (en) * | 2014-10-24 | 2015-03-11 | 彭红 | Formula of roasting-free large honeycomb ceramic carrier skin mud with high hardness and good water resistance |
| CN105503235A (en) * | 2015-12-15 | 2016-04-20 | 凯龙蓝烽新材料科技有限公司 | Method for preparing honeycomb ceramics high in skin firmness and strong in thermal shock resistance |
| CN105503269A (en) * | 2015-12-15 | 2016-04-20 | 凯龙蓝烽新材料科技有限公司 | Preparing method for bonding material used for particulate trap |
-
2016
- 2016-04-27 CN CN201610267988.7A patent/CN105906367A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101801879A (en) * | 2007-07-31 | 2010-08-11 | 康宁股份有限公司 | Be applied to the composition of ceramic honeycomb body |
| CN102276288A (en) * | 2011-05-31 | 2011-12-14 | 宜兴王子制陶有限公司 | Preparation method of honeycomb ceramic having outer skin |
| CN104402384A (en) * | 2014-10-24 | 2015-03-11 | 彭红 | Formula of roasting-free large honeycomb ceramic carrier skin mud with high hardness and good water resistance |
| CN105503235A (en) * | 2015-12-15 | 2016-04-20 | 凯龙蓝烽新材料科技有限公司 | Method for preparing honeycomb ceramics high in skin firmness and strong in thermal shock resistance |
| CN105503269A (en) * | 2015-12-15 | 2016-04-20 | 凯龙蓝烽新材料科技有限公司 | Preparing method for bonding material used for particulate trap |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107915498A (en) * | 2017-11-21 | 2018-04-17 | 重庆奥福精细陶瓷有限公司 | A kind of low thermal expansion major diameter honeycomb ceramic carrier and preparation method thereof |
| CN107915498B (en) * | 2017-11-21 | 2020-04-21 | 重庆奥福精细陶瓷有限公司 | Low-thermal-expansion large-diameter honeycomb ceramic carrier and preparation method thereof |
| CN112574603A (en) * | 2020-11-27 | 2021-03-30 | 山东鲁阳浩特高技术纤维有限公司 | Honeycomb ceramic carrier surface reinforcing coating and preparation method and application thereof |
| CN115536375A (en) * | 2022-10-14 | 2022-12-30 | 云南菲尔特环保科技股份有限公司 | Low-thermal-expansion and high-thermal-shock-resistance pansy honeycomb ceramic skin and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102424569B (en) | Thermal shock resistant thin-walled cordierite honeycomb ceramics and preparation method thereof | |
| CN104591782B (en) | MoSi 2-BSG coated zirconia fiberboard integrated heat-insulating material and preparation method thereof | |
| US9067831B2 (en) | Honeycomb structure comprising a multilayer cement skin | |
| CN105906367A (en) | Non-fired high-hardness cordierite honeycomb ceramic skin and production method thereof | |
| CN105237044B (en) | Porous fibrous ZrO2TaSi on surface of ceramic heat-insulating material2-SiO2-BSG high-emissivity coating and preparation method thereof | |
| CN106242624A (en) | A kind of preparation method of aluminium oxide Multichannel ceramic membrane supporter | |
| CN112321313A (en) | Ceramic fiber aerogel composite material and preparation method thereof | |
| CN103387377A (en) | Splicing mud for splice of very large ceramic honeycomb carrier | |
| US20220089488A1 (en) | Bionic Laminated Thermal Insulation Material | |
| CN105503235A (en) | Method for preparing honeycomb ceramics high in skin firmness and strong in thermal shock resistance | |
| CN106927839B (en) | A kind of micropore insulation brick | |
| CN104193210A (en) | Hydrophobic expanded perlite and preparation method thereof | |
| CN107915498B (en) | Low-thermal-expansion large-diameter honeycomb ceramic carrier and preparation method thereof | |
| CN108218335A (en) | A kind of building heat insulating exterior wall | |
| CN109534804B (en) | Honeycomb ceramic carrier and preparation method thereof | |
| CN108298995B (en) | Low-dimensional SiO2 high-strength light-weight heat-insulating material and preparation method thereof | |
| CN102515796B (en) | High-temperature composite environment-friendly paint used in glass kiln | |
| CN102276288A (en) | Preparation method of honeycomb ceramic having outer skin | |
| CN105819781A (en) | Heat insulation material | |
| CN108002851A (en) | Refractory brick containing mullite and preparation method thereof | |
| CN109399646A (en) | The method that agricultural waste material prepares aerosil | |
| CN109293335A (en) | A kind of high-strength heat-insulation plate and preparation method thereof | |
| TW201725234A (en) | High reflectance heat insulation compositions and manufacturing method thereof, heat insulating material | |
| CN104261754A (en) | Wall thermal insulation material produced by building material waste residue and preparation method thereof | |
| CN109180141B (en) | Alumina aerogel heat insulation soft felt and forming process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |