CN107663102A - A kind of inorganic light weight thermal insulation heat-barrier material and its method - Google Patents
A kind of inorganic light weight thermal insulation heat-barrier material and its method Download PDFInfo
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- CN107663102A CN107663102A CN201610601209.2A CN201610601209A CN107663102A CN 107663102 A CN107663102 A CN 107663102A CN 201610601209 A CN201610601209 A CN 201610601209A CN 107663102 A CN107663102 A CN 107663102A
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- glass micropearl
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- 239000000463 material Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000009413 insulation Methods 0.000 title claims abstract description 20
- 239000011521 glass Substances 0.000 claims abstract description 69
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000005245 sintering Methods 0.000 claims abstract description 11
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 238000007711 solidification Methods 0.000 claims abstract description 5
- 230000008023 solidification Effects 0.000 claims abstract description 5
- 239000011268 mixed slurry Substances 0.000 claims description 10
- 239000007791 liquid phase Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 230000008014 freezing Effects 0.000 abstract description 4
- 238000007710 freezing Methods 0.000 abstract description 4
- 239000006259 organic additive Substances 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 11
- 239000000758 substrate Substances 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 238000013019 agitation Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000001828 Gelatine Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 229910017053 inorganic salt Inorganic materials 0.000 description 2
- 239000003562 lightweight material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004425 Makrolon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910003471 inorganic composite material Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
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- 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
- C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/36—Glass starting materials for making ceramics, e.g. silica glass
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
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Abstract
The present invention proposes a kind of inorganic light weight thermal insulation heat-barrier material and its method, obtained by Ludox and hollow glass micropearl through the shaping of cryogenic freezing gel solidification, sintering, described hollow glass micropearl addition is the 10%~25% of Ludox and hollow glass micropearl gross mass.Present invention process is simply efficient, in technical process in addition to Ludox and hollow glass micropearl, without adding any organic additive, non-environmental-pollution；The present invention uses special hollow glass micropearl handling process, makes the increase of hollow glass micropearl surface-active, improves its compatibility and dispersiveness with Ludox.
Description
Technical field
The present invention relates to a kind of inorganic light weight thermal insulation heat-barrier material and its method, belong to inorganic lightweight material technical field.
Background technology
Inorganic light weight thermal insulation heat-barrier material prepares more use mechanical agitation foaming at present, is lived by adding surface
Property agent, mechanical agitation foaming, there is such as stable preparation process in light material prepared by this method with being typically different degree
The problems such as difference, complex process, materials water-resistant are poor, environmental pollution.
Hollow glass micropearl (Hollow glass beads, HGB) is a kind of widely used, performance that developed recently gets up
Excellent novel light inorganic nonmetallic materials, its main component are borosilicates, and granularity is 10~250 μm, wall thickness is 1~2 μ
M hollow ball.It has the advantages that light, stable chemical performance and heat endurance is good, electrical insulating property is high.And surface is smooth
Hard, not hygroscopic, even if loading is higher, viscosity and mobility on matrix influence also very little, can make additive and be used to make
Standby low-density, low-viscosity, hypotonicity and the strong light material of adhesion.Addition of the hollow glass micropearl as packing material,
The density of material can be not only reduced, and the hygroscopicity of material, rigidity can be improved, insulating properties, improve its compression strength and impact
Intensity etc., it is widely used to the fields such as building materials, plastics, rubber, coating, navigation and space flight.
In recent years, hollow glass micropearl is mainly used in the filling of engineering plastics and rubber as novel inorganic powder filler and changed
Property, the advantages that making it have excellent rheology processing and shock resistance.It is to polyvinyl chloride, poly- second to study at present more
The filling of alkene, polypropylene, polyamide, makrolon, organic siliconresin etc..And for inorganic salt materials, will in preparation
By the processing of (more than 1000 DEG C) of high temperature, hollow glass micropearl can shrink when long under hot conditions, ftracture, therefore, few
Hollow glass micropearl is modified for inorganic salt materials.Meanwhile hollow glass micropearl will pass through when being added in matrix material
It is surface-treated, it is general to use chemical reaction modification, surface coating modification, high energy surface modification and electroless plating method etc. to hollow more
Glass microballoon surface is modified, and to increase the compatibility of hollow glass micropearl and matrix material, improves its dispersiveness；It is but actual
In, due to hollow glass micropearl diameter very little, these method of modifying modified effects are often undesirable, and these modification technology works
Skill is complex.
The content of the invention
It is an object of the invention to overcome prior art insufficient, there is provided a kind of technique is simple efficiently, non-environmental-pollution, homogeneous
High-strength inorganic light weight thermal insulation heat-barrier material and its method.
The technical solution of the present invention：A kind of inorganic light weight thermal insulation heat-barrier material, by Ludox and hollow glass micropearl
Obtained through the shaping of cryogenic freezing gel solidification, sintering, described hollow glass micropearl addition is that Ludox and hollow glass are micro-
The 10%~25% of pearl gross mass.
Ludox used in the present invention is commercially available, general Nano-meter SiO_22Content is 15%~30%, using Ludox as matrix material
Material, solidifies pulp gel at low temperature.Hollow glass micropearl addition is Ludox and hollow glass micropearl gross mass
10%~25%, if addition is very few, make the solid content in the mixed slurry of Ludox and hollow glass micropearl composition too low,
Product, which occurs, when freezing gel is dried collapses；If addition is excessive, hollow glass micropearl can not be evenly dispersed into Ludox
In.Hollow glass micropearl addition changes in the range of application claims, and addition is more, and its bulk density is bigger, pressure resistance
Degree is higher, and thermal conductivity is bigger.
Hollow glass micropearl used in the present invention is commercially available, and its particle size range is generally 10~100 μm, is disperseed in Ludox
Uniformity is preferable.Described hollow glass micropearl increases the surface-active of hollow glass micropearl, improves hollow glass through preheating
The physicochemical characteristics of glass bead surface, strengthen itself and the compatibility of Ludox and the dispersiveness in Ludox, to improve material
The mechanical strength and combination property of material, while technique is simple.
The specific pre-sinter process of hollow glass micropearl is as follows：After room temperature rises to 400 ± 5 DEG C, in 1.5~2 hours from 400 ±
5 DEG C rise to 600 ± 5 DEG C, and are incubated 10~30 minutes at 600 ± 5 DEG C, and it is standby then to naturally cool to room temperature.The present invention exists
The speed that room temperature rises to 400 ± 5 DEG C can select according to heating efficiency and horsepower requirements, to 400 DEG C or so after to control liter
Warm speed and processing time at high temperature, if hollow glass micropearl heating rate between 400~600 DEG C is too fast, hollow glass
Glass microballon shrinks greatly, is likely to result in cracking and collapses, after subsequently Ludox is added, it is micro- that Ludox can enter hollow glass
In pearl, cause hollow glass micropearl to settle, influence dispersing uniformity of the hollow glass micropearl in Ludox；It is hollow if too slow
The overlong time of glass microballoon at high temperature, hollow glass micropearl can equally shunk big, cause to ftracture and collapse.Therefore, originally
Invention determines optimum temperature rise speed and high-temperature process time, makes the slow thermally equivalent of hollow glass micropearl.
Soaking time of the present invention under 600 DEG C or so is also restricted by above-mentioned reason, it is determined that 10~30 minutes it
Between, if the time is too short, hollow glass micropearl surface-active deficiency, reduced with Ludox compatibility；Time is oversize, and hollow glass is micro-
The overlong time of pearl at high temperature, hollow glass micropearl can equally shunk big, cause to ftracture and collapse.
Change in the range of the pre-sinter process of application claims, the surface-active improvement of hollow glass micropearl is influenceed
Seldom, can be neglected in engineering.
A kind of method for preparing inorganic light weight thermal insulation heat-barrier material, is realized by following steps：
The first step, hollow glass micropearl preheating,
Hollow glass micropearl rose to 600 ± 5 in 1.5~2 hours after room temperature rises to 400 ± 5 DEG C from 400 ± 5 DEG C
DEG C, and it is incubated 10~30 minutes at 600 ± 5 DEG C；
Second step, mixed slurry is prepared,
Using Ludox as liquid phase, a certain amount of hollow glass micropearl through first step preheating is added, is well mixed, it is empty
Heart glass microballoon addition is the 10%~25% of Ludox and hollow glass micropearl gross mass；
3rd step, low temperature gel solidification,
The mixed slurry that second step is obtained injects mould, makes the abundant curing molding of mixed slurry at low temperature, is stripped, obtains
To base substrate；
The present invention occurs gelatine using low temperature Ludox and realizes the fast curing-formed of base substrate, the base substrate after curing molding
With higher intensity, easy mold release and the drying and sintering that can directly heat up.Technological operation is simple and condition is easily controllable, molding blank
Structural integrity ungauged regions are without deformation after drying, and finished product rate is high, and with short production cycle, production cost is low.
The present invention using Ludox at low temperature can gel solidification property, and SiO2Inherently the one of target product
Kind raw material.The low temperature gel process of Ludox is irreversible, once freezing, base substrate just have been cured shaping, after heating not
It can melt and deform, as long as possessing the condition of moisture evaporation when drying, its drying process is completed at ambient pressure, it is not necessary to true
Empty condition, it is not required that strictly control drying temperature.Cryogenic temperature is≤- 40 DEG C, can use liquid nitrogen or other frozen forms.
The present invention realizes slurry original position near-net-shape by low temperature Ludox gelatine, in base substrate prepared by the present invention
The most of moisture freezed can distil removing in the state of fully charge, and heating simply accelerates the removing of frozen water content.With it
He compares drying means, and the physical arrangement of base substrate and molecule structure change are minimum in this method, its institutional framework and mode of appearance
Preferably preserved, blank forming and drying process almost ungauged regions, internal stress will not be produced in base substrate, dried and base during sintering
Body is not likely to produce cracking.
4th step, dry, sintering, obtain inorganic light weight thermal insulation heat-barrier material.
Base substrate of the present invention can be dried at ambient pressure, and drying temperature does not have strict limitation, can at normal temperatures dry, also may be used
With the optional temperature below 200 DEG C as needed, drying time is 2~48 hours, according to the drying journey of drying temperature and base substrate
Degree is selected, and ensures that base substrate is finally thoroughly dried.
Base substrate is sintered to techniques well known, and sintering temperature is typically at 800 DEG C or so.
The beneficial effect of the present invention compared with prior art：
(1) present invention process is simply efficient, any without adding in technical process in addition to Ludox and hollow glass micropearl
Organic additive, non-environmental-pollution；
(2) present invention uses special hollow glass micropearl handling process, makes the increase of hollow glass micropearl surface-active, carries
Its high compatibility and dispersiveness with Ludox；
(3) the obtained inorganic composite materials of the present invention have light, good mechanical property, heat-insulated and sound insulation value good etc. excellent
Point, is especially suitable for preparing and requires strict product to intensity and density of material, before having a wide range of applications in terms of the insulation
Scape；
(4) present invention can control the density of inorganic lightweight material by adjusting the addition of hollow glass micropearl；
(5) present invention not only has abundant foam structure, and due to the distinctive hole-closing structure of microballon, is reducing material
Expect it is hygroscopic simultaneously, improve the anti-pressure ability and material heat insulation and preservation effect of material.
Brief description of the drawings
Fig. 1 is flow chart of the present invention.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing and instantiation.
The present invention adds hollow glass micropearl in Ludox, passes through machinery as shown in figure 1, using Ludox as liquid phase
Stirring makes its dispersed, then injection molding, freezes curing molding, dries, sintering, obtains inorganic light weight thermal insulation heat-barrier material.
Embodiment 1
1st, hollow glass micropearl preheating, technique be 2 hours after room temperature rises to 400 DEG C, at 1.5 hours from 400 DEG C
600 DEG C are risen to, and 10 minutes are incubated at 600 DEG C.
2nd, the hollow glass micropearl after preheating is added in the Ludox of solid content 25%, obtained after being uniformly dispersed
Mixed slurry, the addition of hollow glass micropearl are the 25% of slurry gross mass.
3rd, mechanical agitation mixed slurry, injection molding, curing molding is freezed in liquid nitrogen, dried, 800 DEG C of sintering, obtained inorganic
Light heat insulating material.
The bulk density for the inorganic light weight thermal insulation heat-barrier material that the present embodiment obtains is 0.2g/cm3, compression strength is
1.6MPa, thermal conductivity 0.08W/mK.
Embodiment 2
1st, hollow glass micropearl preheating, technique be 2 hours after room temperature rises to 400 DEG C, at 1.5 hours from 400 DEG C
600 DEG C are risen to, and 10 minutes are incubated at 600 DEG C.
2nd, the hollow glass micropearl after preheating is added in the Ludox of solid content 25%, obtained after being uniformly dispersed
Mixed slurry, the addition of hollow glass micropearl are the 10% of slurry gross mass.
3rd, mechanical agitation mixed slurry, injection molding, curing molding is freezed in liquid nitrogen, 800 DEG C of sintering, obtains light inorganic quality guarantee
Warm heat-barrier material.
The bulk density for the inorganic light weight thermal insulation heat-barrier material that the present embodiment obtains is 0.15g/cm3, compression strength is
0.6MPa, thermal conductivity 0.04W/mK.
Unspecified part of the present invention is known to the skilled person technology.
Claims (4)
- A kind of 1. inorganic light weight thermal insulation heat-barrier material, it is characterised in that：Congealed by Ludox and hollow glass micropearl through low temperature cold Adhesive curing shaping, sintering obtain, and described hollow glass micropearl addition is Ludox and hollow glass micropearl gross mass 10%~25%.
- A kind of 2. inorganic light weight thermal insulation heat-barrier material according to claim 1, it is characterised in that：Described hollow glass is micro- Pearl passes through preheating, and pre-sinter process is as follows：After room temperature rises to 400 ± 5 DEG C, risen in 1.5~2 hours from 400 ± 5 DEG C 600 ± 5 DEG C, and 10~30 minutes are incubated at 600 ± 5 DEG C, then naturally cool to room temperature.
- A kind of 3. method for preparing inorganic light weight thermal insulation heat-barrier material, it is characterised in that realized by following steps：The first step, hollow glass micropearl preheating,Hollow glass micropearl rose to 600 ± 5 DEG C in 1.5~2 hours after room temperature rises to 400 ± 5 DEG C from 400 ± 5 DEG C, and 10~30 minutes are incubated at 600 ± 5 DEG C, then naturally cools to room temperature；Second step, mixed slurry is prepared,Using Ludox as liquid phase, a certain amount of hollow glass micropearl through first step preheating is added, is well mixed, hollow glass Glass microballon addition is the 10%~25% of Ludox and hollow glass micropearl gross mass；3rd step, the shaping of mixed slurry low temperature gel solidification；4th step, dry, sintering, obtain inorganic light weight thermal insulation heat-barrier material.
- A kind of 4. method for preparing inorganic light weight thermal insulation heat-barrier material according to claim 3, it is characterised in that：Described Temperature≤- 40 DEG C of low temperature gel in three steps.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610601209.2A CN107663102B (en) | 2016-07-27 | 2016-07-27 | Inorganic light heat-insulating material and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610601209.2A CN107663102B (en) | 2016-07-27 | 2016-07-27 | Inorganic light heat-insulating material and method thereof |
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| CN107663102A true CN107663102A (en) | 2018-02-06 |
| CN107663102B CN107663102B (en) | 2019-12-10 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005162551A (en) * | 2003-12-04 | 2005-06-23 | Sanyo Chem Ind Ltd | Grout material composition |
| CN103601358A (en) * | 2013-11-20 | 2014-02-26 | 天津大学 | Preparation method of silicon dioxide-diboron trioxide low-melting-point glass combined hollow glass bead heat-insulating material |
| CN104108938A (en) * | 2014-07-04 | 2014-10-22 | 航天特种材料及工艺技术研究所 | Preparation method for Sialon ceramic |
-
2016
- 2016-07-27 CN CN201610601209.2A patent/CN107663102B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005162551A (en) * | 2003-12-04 | 2005-06-23 | Sanyo Chem Ind Ltd | Grout material composition |
| CN103601358A (en) * | 2013-11-20 | 2014-02-26 | 天津大学 | Preparation method of silicon dioxide-diboron trioxide low-melting-point glass combined hollow glass bead heat-insulating material |
| CN104108938A (en) * | 2014-07-04 | 2014-10-22 | 航天特种材料及工艺技术研究所 | Preparation method for Sialon ceramic |
Non-Patent Citations (1)
| Title |
|---|
| 申娜娜: ""空心玻璃微珠轻质高强材料的制备与性能研究"", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》 * |
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