CN106565265A - Preparation method of polysilicon E40 aerogel composite material - Google Patents
Preparation method of polysilicon E40 aerogel composite material Download PDFInfo
- Publication number
- CN106565265A CN106565265A CN201610886305.6A CN201610886305A CN106565265A CN 106565265 A CN106565265 A CN 106565265A CN 201610886305 A CN201610886305 A CN 201610886305A CN 106565265 A CN106565265 A CN 106565265A
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- poly silicon
- polysilicon
- preparation
- composite material
- aerogel composite
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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
- 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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Silicon Compounds (AREA)
Abstract
The invention provides a preparation method of a polysilicon E40 aerogel composite material. The method comprises the following steps: infiltrating prepared polysilicon E40 sol in a processed ceramic fiber material, carrying out gelling and full ageing, and carrying out acetone or carbon dioxide supercritical drying to obtain the polysilicon E40 aerogel composite material. The method is simple and is easy to operate; the polysilicon E40 aerogel composite material has low density and large specific surface area, has a high void ratio reaching 99%, and also has the following excellent performances: the density is low (1-1.3 mg/cm<3>), and the void ratio reaches 95-99%; the heat conductivity of the polysilicon E40 aerogel composite material at 1250 DEG C is less than 0.035 w/m.k, and the shrinkage is less than 4%; and the application prospect of the polysilicon E40 material is widened in the invention.
Description
Technical field
The invention belongs to technical field of polymer materials, the more particularly to preparation method of poly silicon E40 aeroges.
Background technology
Aeroge is a kind of low-density solid matter form, and its density is only that the twice of air is more, due to super
Light weight feature, and be referred to as " solid-state cigarette ", it has intensity high, the features such as high temperature resistant.Finger mutually assembles structure with nano-particle
Into nanoporous network be skeleton, and in network skeleton hole full of gaseous state disperse medium lightweight nano solid material.
Aeroge as a kind of nano material, in addition to the characteristic with nano material, also with other excellent properties, such as：High hole
Hole rate, up to big, the extremely low density of 99%, specific surface area, low thermal conductivity and low sound transmission speed etc., is at present in the world
Known density minimum and the minimum solid material of heat conductivity.So, the research and development of this new material get most of the attention, so,
The present invention proposes a kind of preparation method of poly silicon E40 aerogel composites.
Poly silicon E40 can be widely used for making chemical catalyst, medical industry, PET resin, electronic device etc.；For example, contain
The glass of poly silicon E40 has higher refractive index and dispersion, makes optical instrument.The present invention will be illustrated first with uniqueness
The preparation method of the poly silicon E40 aerogel composites of structure and performance, low cost, clean environment firendly is to solve existing issue,
Perhaps have great importance for the sustainable development of human settlement, promotion economic society is protected.
The content of the invention
Based on above-mentioned present situation, it is an object of the invention to provide a kind of preparation side of poly silicon E40 aerogel composites
Method, can effectively create a kind of mass type new material, than Technology developments such as existing multiplex methods, perhaps with satisfaction
Effect, it is an object of the invention to provide a kind of specific surface area is big, low-density, high hole rate are up to 99%, low heat conduction and shrinkage factor
The preparation method of little poly silicon E40 aerogel composites；The technical scheme processing technology that the present invention is provided simply, is easily grasped
Make, and prepare the poly silicon E40 aeroges of excellent performance first.
The technical solution adopted in the present invention is as follows：The preparation method of poly silicon E40 aerogel composites a kind of first,
Above-mentioned composite includes poly silicon E40 aeroges and ceramic fibre material.
Then, above-mentioned composite is poly silicon E40 aeroges and ceramic fibre material, need to be in 180～300 DEG C of environment
Under, drying of ceramic fiber 2～2.5 hours；
Further, being by weight 1 by above-mentioned ceramic fibre, activated water, surfactant and coupling agent solution：2～3：
0.006～0.01：0.012～0.02 proportions, and mix and dry 1～2.5 hour at 180～250 DEG C, Jing nitrogen
Cooling；
Then, above-mentioned nitrogen cold mixt is gelled at 45～90 DEG C with poly silicon E40 colloidal sols, obtains poly silicon E40
Gel；After room temperature 10-40 hours, Jing acetone or carbon dioxide supercritical fluid drying obtain final product poly silicon E40 aerogel composites.
Improvement, development, research for the demand present situation, the invention has benefit that, in order to increase existing skill
The function of the generation of art, there is provided a kind of workable, offer design is brief, and multiple-effect is shared, convenient and safe one kind for using
The preparation method of poly silicon E40 aerogel composites, strong mechanical property, integrated cost is low, and preparation and application is simple
Single easy, under conditions of standard, specific surface area is big, low-density, high hole rate are little up to 99%, low heat conduction and shrinkage factor, efficiency
Substantially.And it is applied widely, the growing production and construction of diversification and living needs can be met, it is science, ecology, ring
Protect, the multi-effect scheme of sustainable development.
Described above is only the general introduction of technical solution of the present invention, in order to be able to better understand the technological means of the present invention, and
Can be practiced according to the content of description, and be allow the present invention above and other objects, features and advantages can be brighter
It is aobvious understandable, below especially exemplified by preferred embodiment, describe in detail as follows.
Specific embodiment：
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Preferred embodiment, to according to a kind of preparation method of poly silicon E40 aerogel composites proposed by the present invention, it is embodied as
Mode, feature etc., describe in detail as after.
Embodiment
In this case embodiment, first, a kind of preparation side of poly silicon E40 aerogel composites proposed by the present invention
Method, above-mentioned composite includes poly silicon E40 aeroges and ceramic fibre material；
Then, above-mentioned composite is poly silicon E40 aeroges and ceramic fibre material, need to be in 180～300 DEG C of environment
Under, drying of ceramic fiber 2～2.5 hours；
Further, being by weight 1 by above-mentioned ceramic fibre, activated water, surfactant and coupling agent solution：2～3：
0.006～0.01：0.012～0.02 proportions, and mix and dry 1～2.5 hour at 180～250 DEG C, Jing nitrogen
Cooling；
Then, above-mentioned nitrogen cold mixt is gelled at 45～90 DEG C with poly silicon E40 colloidal sols, obtains poly silicon E40
Gel；After room temperature 10-40 hours, Jing acetone or carbon dioxide supercritical fluid drying obtain final product poly silicon E40 aerogel composites.
A kind of preparation method of poly silicon E40 aerogel composites proposed by the present invention, its advantage is, with certainly
So abundant raw silicon oxide material is base material and ceramic fibre is obtained complex, then helps that a kind of poly is obtained after adjuvant reaction
The preparation method of silicon E40 aerogel composites, the finished product under environment under relative low temperature normal pressure.It is easy to operate, it is with low cost, easily
In promoting the use of.Raw material Jing compatibilities function substantially, produces good performance effect.Compare with traditional technique, people increasingly weigh
Depending on new, efficient, natural material research and development, in particular by as silicon materials are compared with other materials, with applying model
Enclose wide, condition of compatibility is polynary.Therefore, the present invention proposes a kind of preparation method of poly silicon E40 aerogel composites, be for
The new material of high-end field, stable performance, integrated cost is low, and preparation and application is simple, in the condition of standard
Under, specific surface area is big, low-density, high hole rate are little up to 99%, low heat conduction and shrinkage factor, and efficiency is obvious.And it is applied widely, can
It is science, ecology, environmental protection to meet the growing production and construction of diversification and living needs, the multiple-effect of sustainable development
Can scheme.Low cost, clean environment firendly is to solve existing issue, for the sustainable development protected human settlement, promote economic society
Exhibition perhaps has great importance.
The above, is only presently preferred embodiments of the present invention, and any pro forma restriction is not made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, in the range of without departing from technical solution of the present invention, when making a little change or modification using the technology contents of the disclosure above
For the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit of the foundation present invention
Any simple modification, equivalent variations and the modification made to above example, still falls within the range of technical solution of the present invention.
Claims (3)
1. a kind of preparation method of poly silicon E40 aerogel composites, it is characterised in that above-mentioned composite includes poly silicon
E40 aeroges and ceramic fibre material.
2. the preparation method of a kind of poly silicon E40 aerogel composites according to claim 1, it is characterised in that first
First at 180～300 DEG C, drying of ceramic fiber 2～2.5 hours；And by ceramic fibre activated water, surfactant and coupling agent
Solution is 1 by weight：2～3：0.006～0.01：0.012～0.02 proportions, by above-mentioned two material mix and in
Dry 1～2.5 hour at 180～250 DEG C, the cooling of Jing nitrogen.
3. the preparation method of a kind of poly silicon E40 aerogel composites according to claim 1-2, it is characterised in that
Above-mentioned nitrogen cold mixt is gelled at 45～90 DEG C with poly silicon E40 colloidal sols, poly silicon E40 gels are obtained；Room temperature 10-40
After hour, Jing acetone or carbon dioxide supercritical fluid drying obtain final product poly silicon E40 aerogel composites.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610886305.6A CN106565265A (en) | 2016-10-11 | 2016-10-11 | Preparation method of polysilicon E40 aerogel composite material |
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| CN201610886305.6A CN106565265A (en) | 2016-10-11 | 2016-10-11 | Preparation method of polysilicon E40 aerogel composite material |
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| CN106565265A true CN106565265A (en) | 2017-04-19 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722604A (en) * | 2009-11-30 | 2010-06-09 | 浙江省普瑞科技有限公司 | Method for preparing fiber base material and silicon dioxide aerogel composite heat insulating sleeve |
| CN104843723A (en) * | 2015-04-17 | 2015-08-19 | 北京博天子睿科技有限公司 | Silicon aerogel material preparation method |
| CN105693269A (en) * | 2016-01-29 | 2016-06-22 | 卓达新材料科技集团有限公司 | Preparation method of germanium oxide-selenium oxide hybrid aerogel composite material |
-
2016
- 2016-10-11 CN CN201610886305.6A patent/CN106565265A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722604A (en) * | 2009-11-30 | 2010-06-09 | 浙江省普瑞科技有限公司 | Method for preparing fiber base material and silicon dioxide aerogel composite heat insulating sleeve |
| CN104843723A (en) * | 2015-04-17 | 2015-08-19 | 北京博天子睿科技有限公司 | Silicon aerogel material preparation method |
| CN105693269A (en) * | 2016-01-29 | 2016-06-22 | 卓达新材料科技集团有限公司 | Preparation method of germanium oxide-selenium oxide hybrid aerogel composite material |
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Application publication date: 20170419 |