CN106809819A - A kind of preparation method of building thermal insulation material - Google Patents
A kind of preparation method of building thermal insulation material Download PDFInfo
- Publication number
- CN106809819A CN106809819A CN201611267929.6A CN201611267929A CN106809819A CN 106809819 A CN106809819 A CN 106809819A CN 201611267929 A CN201611267929 A CN 201611267929A CN 106809819 A CN106809819 A CN 106809819A
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- China
- Prior art keywords
- preparation
- insulation material
- thermal insulation
- building thermal
- graphene
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- 239000012774 insulation material Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 37
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 63
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 46
- 239000004964 aerogel Substances 0.000 claims abstract description 19
- 239000006185 dispersion Substances 0.000 claims abstract description 19
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 17
- 239000010439 graphite Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000011229 interlayer Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000001879 gelation Methods 0.000 claims abstract description 5
- 239000000243 solution Substances 0.000 claims description 17
- 239000006260 foam Substances 0.000 claims description 8
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 8
- 238000005119 centrifugation Methods 0.000 claims description 4
- 239000002608 ionic liquid Substances 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 241000446313 Lamella Species 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010790 dilution Methods 0.000 claims description 2
- 239000012895 dilution Substances 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 238000000703 high-speed centrifugation Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000011253 protective coating Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000004321 preservation Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- XMWRBQBLMFGWIX-UHFFFAOYSA-N C60 fullerene Chemical compound C12=C3C(C4=C56)=C7C8=C5C5=C9C%10=C6C6=C4C1=C1C4=C6C6=C%10C%10=C9C9=C%11C5=C8C5=C8C7=C3C3=C7C2=C1C1=C2C4=C6C4=C%10C6=C9C9=C%11C5=C5C8=C3C3=C7C1=C1C2=C4C6=C2C9=C5C3=C12 XMWRBQBLMFGWIX-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011489 building insulation material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910003472 fullerene Inorganic materials 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
- E04B1/78—Heat insulating elements
Abstract
The present invention discloses a kind of preparation method of building thermal insulation material, including expanded graphite is prepared into graphene oxide dispersion, by gelation process, the aeroge of solid-state is made into after drying, by in graphene aerogel addition heat-barrier material interlayer, heat-blocking action is played, the more preferable building thermal insulation material of effect of heat insulation is fabricated to.Graphene is used as a kind of loose porous material, with great specific surface area and stability, can can play good heat insulation effect as insulation material interlayer, and using aeroge porosity characteristic and light Graphene the characteristics of can be used for preparing lighter and handier building thermal insulation material.
Description
Technical field
The invention belongs to insulation material technical field, and in particular to a kind of preparation method of building thermal insulation material.
Background technology
Graphene, from 2004 by it is found that since, become carbon family (fullerene of zero dimension, one-dimensional CNT,
Two-dimensional graphene and three-dimensional graphite) in a newcomer.Because its unique two-dimensional structure, light weight, heat conduction are made it have
Property the superiority such as good, transparent high, electric conductivity is high, the fields such as the energy, environment, sensing and biology can be widely used in.Closely
The electric conductivity of a little year Graphenes, high-specific surface area turn into the focus of people's research, and the performance composite on Graphene grinds
Study carefully relatively fewer.Graphene is the preferable filler of alternative CNT, its dispersed and phase interaction with polymeric matrix
Be influence composite prepare two key factors, preparation method mainly have solution mixed melting be blended and in-situ polymerization
Deng.
The heat preservation and insulation of existing building thermal insulation material is simultaneously not outstanding enough and not degradable, and easily environment is caused greatly
Injury.And the bigger serface and cavernous structure of Graphene are conducive to improving heat preservation and insulation, and Graphene is used as environment
Friendly material, is more suitable for the trend of current Green Development.
The content of the invention
For above-mentioned prior art, the present invention provides a kind of preparation method of building thermal insulation material for the problem, should
Planting material has good heat-proof quality and stability so that its application is more extensive.The method is simple to operate, with low cost,
Can be widely applied to a large amount of productions.
The present invention provides the preparation method of building thermal insulation material to improve the heat-proof quality of existing building insulation material.It is first
Graphene oxide dispersion is first prepared, by gelation process, the aeroge of solid-state is made into after drying, will
Graphene aerogel is added in heat-barrier material interlayer, plays heat-blocking action, is fabricated to the more preferable building thermal insulation material of effect of heat insulation.
Concrete technical scheme of the invention is comprised the following steps：
(1) preparation of graphene oxide dispersion
With big Sheet Graphite as raw material, graphene oxide is prepared with Hummers methods are improved, selected during high speed centrifugation
Upper strata centrifugate is taken, dilution obtains graphene oxide dispersion.
(2) preparation of graphene aerogel
The graphene oxide concentration that centrifugation in above-mentioned (1) is obtained, is configured to certain density GO solution, using hydro-thermal method
HTHP, aeroge is made by graphene oxide.
(3) preparation of building thermal insulation material
By in the graphene aerogel addition heat-barrier material interlayer in above-mentioned (2), required building thermal insulation material is made.
By the solution 1 that graphene oxide dispersion configuration concentration in above-mentioned (1) is 1~10mg/mL；Again will by hydro-thermal method
(2) dispersion liquid is made graphite oxide aerogel with hydro-thermal method in；Building is made during aeroge finally is added into heat-barrier material
Insulation material.The structure of different purposes is prepared using different processing methods afterwards.
As a further improvement on the present invention, the big lamella graphite size in above-mentioned is 100-500um.
As a further improvement on the present invention, the concentration of above-mentioned middle graphene oxide dispersion is 1~10mg/L.
As a further improvement on the present invention, during above-mentioned hydro-thermal method preparation graphite oxide aerogel, HTHP,
100 DEG C -180 DEG C, under the conditions of react 24~48h.
As a further improvement on the present invention, ionic liquid is added to promote gelation process in above-mentioned gelation process.
As a further improvement on the present invention, above-mentioned heat-barrier material can be inorganic active insulation material, silicate insulation
Material, ceramic thermal insulation material, glue powder polyphenyl particle, steel wire adopt cement-foam panel (leisure plate), extruded sheet XPS, hard bubble poly- ammonia
The various heat-barrier materials such as ester in-situ spraying, hard-foam polyurethane warming plate, spray coating polyurethane rigid foam, eps foam plate.
As a further improvement on the present invention, graphite oxide aerogel thickness degree is 1mm~20mm in above-mentioned interlayer.
As a further improvement on the present invention, the preparation method interlayer of above-mentioned interlayer can use tack adhesive knot, Huo Zhejia
Heat is directly merged.
Beneficial effect of the present invention:Graphene oxide dispersion is made by aeroge by hydro-thermal method, aeroge is added to
Building thermal insulation material is made in heat-barrier material interlayer.The material has better heat preservation and insulation than original heat-barrier material.
It is lighter insulation material and energy-conserving and environment-protective, can substantially reduce the use of traditional architecture insulation material.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the building thermal insulation material that the embodiment of the present invention is provided.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
As long as additionally, technical characteristic involved in invention described below different embodiments non-structure each other
Can just be combined with each other into conflict.
Embodiment 1
(1) preparation of graphene oxide dispersion
The big Sheet Graphites of 5g are added in dense H2SO4 (98%) solution of 150mL, in the fuming nitric aicd of addition 50mL,
Stirring at normal temperature 24h.It is added in 1L water and cools down suction filtration, obtains expansible graphite.
5g expansible graphites are added in dense H2SO4 (98%) solution of 250mL, the KMnO4 of 6.8g, ice is subsequently adding
Bath stirring 30min；Solution is reacted into 2h in 30 DEG C of oil bath again, then to be slowly added in solution 150mL deionized waters (drop
4~6s/ of water speed drops) dilute solution；Solution is heated to 85 DEG C of reaction 1h again, 600mL deionized water dilute solutions are added；It is cold
But after, the H2O2 of 10mL30% is added, obtains golden solution；Stand 12h and pour out supernatant, remove metal ion；Centrifugation,
Constantly with deionized water and the salt acid elution of 1M in centrifugal process, until solution is in neutrality；The supernatant liquid of centrifugation is now taken, is obtained
To the graphene oxide dispersion of big lamella.
(2) preparation of graphite oxide aerogel
Graphene dispersing solution in step (1) is configured to the solution of 1mg/L, and takes the graphite oxide of 250mL 1mg/L
Alkene dispersion liquid, using hydro-thermal method high temperature of 120 DEG C, high pressure adds a certain amount of ionic liquid, 24h is reacted in a kettle. and is obtained one
Quantitative graphene aerogel.
(3) preparation of graphene aerogel building thermal insulation material
Above-mentioned aeroge is directly bonded by the method being bonded graphene interlayers are formed on leisure plate, thickness of interlayer 3mm.
As shown in Figure 1.
Embodiment 2
(1) preparation of graphene oxide dispersion
The preparation of graphene oxide dispersion is with embodiment 1；
(2) preparation of graphite oxide aerogel
Graphene dispersing solution in step (1) is configured to the solution of 4mg/L, and takes the graphite oxide of 250mL 1mg/L
Alkene dispersion liquid, using 180 DEG C of hydro-thermal method high temperature, high pressure adds a certain amount of ionic liquid, 48h is reacted in a kettle. and is obtained one
Quantitative graphene aerogel.
(3) preparation of graphene aerogel building thermal insulation material
Above-mentioned aeroge is directly bonded by the method being bonded graphene interlayers are formed on leisure plate, thickness of interlayer 4mm.
As shown in Figure 1.
Embodiment 3
(1) preparation of graphene oxide dispersion
The preparation of graphene oxide dispersion is with embodiment 1；
(2) preparation of graphite oxide aerogel
The preparation of graphite oxide aerogel is prepared with embodiment 1；
(3) preparation of graphene aerogel building thermal insulation material
Heat-barrier material surface is heated to viscous state, after aeroge is adhered directly onto on heat-barrier material, thickness of interlayer
8mm。
Claims (9)
1. a kind of preparation method of building thermal insulation material, comprises the following steps：
(1) preparation of graphene oxide dispersion
With big Sheet Graphite as raw material, graphene oxide is prepared with Hummers methods are improved, chosen during high speed centrifugation
Layer centrifugate, dilution obtains graphene oxide dispersion.
(2) preparation of graphene aerogel
The graphene oxide concentration that centrifugation in above-mentioned (1) is obtained, is configured to certain density GO solution, using hydro-thermal method high temperature
High pressure, aeroge is made by graphene oxide.
(3) preparation of building thermal insulation material
By in the graphene aerogel addition heat-barrier material interlayer in above-mentioned (2), required building thermal insulation material is made.
2. the preparation method of the building thermal insulation material according to claim 1, it is characterised in that the graphite raw material for using for
Big lamella expansible graphite, its size is in 100-500um.
3. the preparation method of the building thermal insulation material according to claim 1 or 2, it is characterised in that：It is anti-in step (2)
It is 100 DEG C -180 DEG C of high temperature to answer condition.
4. the preparation method of the building thermal insulation material according to any one of claim 1-3, it is characterised in that：Step (2)
In reaction condition for add ionic liquid promote gelation process.
5. the preparation method of the building thermal insulation material according to any one of claim 1-4, it is characterised in that：Step (2)
The concentration of middle graphene oxide dispersion is 1~10mg/mL.
6. the preparation method of the building thermal insulation material according to any one of claim 1-5, it is characterised in that：Step (2)
The hydro-thermal time of the preparation of middle aeroge is 24~48h.
7. the preparation method of the building thermal insulation material according to any one of claim 1-6, it is characterised in that：Step (3)
Middle heat-barrier material can be inorganic active insulation material, silicate heat-protective coatings, ceramic thermal insulation material, glue powder polyphenyl particle, steel
It is poly- that silk screen adopts cement-foam panel (leisure plate), extruded sheet XPS, hard-foam polyurethane in-situ spraying, hard-foam polyurethane warming plate, spraying
The various heat-barrier materials such as urethane is hard bubbled, eps foam plate.
8. the preparation method of the building thermal insulation material according to any one of claim 1-7, it is characterised in that：Step (3)
Described aerogel layer thickness is 1mm~20mm.
9. the preparation method of the building thermal insulation material according to any one of claim 1-8, it is characterised in that：Step (3)
Interlayer tack adhesive knot, or heating is directly merged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611267929.6A CN106809819A (en) | 2016-12-31 | 2016-12-31 | A kind of preparation method of building thermal insulation material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611267929.6A CN106809819A (en) | 2016-12-31 | 2016-12-31 | A kind of preparation method of building thermal insulation material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106809819A true CN106809819A (en) | 2017-06-09 |
Family
ID=59109956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611267929.6A Pending CN106809819A (en) | 2016-12-31 | 2016-12-31 | A kind of preparation method of building thermal insulation material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106809819A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108084879A (en) * | 2017-12-11 | 2018-05-29 | 四川蜀羊防水材料有限公司 | Atactic polypropylene (APP) modified bituminous material and preparation method thereof, the waterproof roll of coating of insulation |
| CN108751859A (en) * | 2018-07-11 | 2018-11-06 | 苏州华龙化工有限公司 | A kind of preparation method of architecture exterior wall insulating materials |
| CN109483965A (en) * | 2018-11-22 | 2019-03-19 | 遵义市世和建材有限公司 | High-intensity heat insulating material |
-
2016
- 2016-12-31 CN CN201611267929.6A patent/CN106809819A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108084879A (en) * | 2017-12-11 | 2018-05-29 | 四川蜀羊防水材料有限公司 | Atactic polypropylene (APP) modified bituminous material and preparation method thereof, the waterproof roll of coating of insulation |
| CN108751859A (en) * | 2018-07-11 | 2018-11-06 | 苏州华龙化工有限公司 | A kind of preparation method of architecture exterior wall insulating materials |
| CN109483965A (en) * | 2018-11-22 | 2019-03-19 | 遵义市世和建材有限公司 | High-intensity heat insulating material |
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Application publication date: 20170609 |