CN108821740A - A kind of aerosil-carbon fiber compound insulating material and preparation method thereof - Google Patents
A kind of aerosil-carbon fiber compound insulating material and preparation method thereof Download PDFInfo
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- CN108821740A CN108821740A CN201810803136.4A CN201810803136A CN108821740A CN 108821740 A CN108821740 A CN 108821740A CN 201810803136 A CN201810803136 A CN 201810803136A CN 108821740 A CN108821740 A CN 108821740A
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- aerosil
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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
- C04B30/00—Compositions for artificial stone, not containing binders
- C04B30/02—Compositions for artificial stone, not containing binders containing fibrous materials
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Abstract
The invention discloses a kind of aerosil-carbon fiber compound insulating materials, include according to parts by weight composition：30~40 parts of aerosil, 15~25 parts of carbon fiber, 20~30 parts of water, 5~10 parts of diatomite, 10~20 parts of pure-acrylic emulsion.The present invention also provides a kind of aerosil-carbon fiber compound insulating material preparation methods, include the following steps：(1) 30~40 parts of aerosil and 20~30 parts of water are mixed, is stirred to dissolve；(2) 10~20 parts of pure-acrylic emulsion is added in step (1) resulting solution, stirs 1~2h；(3) 15~25 parts of carbon fiber and 5~10 parts of diatomite are added in step (2) resulting solution, stir 1~2h；(4) step (3) resulting solution is dried to 30~40min under conditions of 70~90 DEG C, obtains aerosil-carbon fiber compound insulating material.In the present invention, by merging carbon fiber with aerosil, the heat-proof quality of thermal insulation material is substantially increased, heat insulation effect is enhanced.
Description
Technical field
The present invention relates to field of material technology, more particularly to a kind of aerosil-carbon fiber complex heat-preservation material
Material and preparation method thereof.
Background technique
Its unique nano-porous structure of silica aerogel material, so that pore diameter is less than gas molecule averagely certainly
By journey, to limit the convective heat transfer of gas molecule, while the superelevation porosity is restricted the solid phase heat transfer of material, separately
Outside, the hyperthermia radiation that material can be reduced by adding suitable infrared light screening agent conducts heat, and therefore, aerosil is recognized
To be the optimal solid material of current heat-insulating property, have broad application prospects in heat-barrier material field, however, silica
Aerogel material makes material itself generate defect due to surface tension huge in drying process, and density is extremely low in addition, leads to two
The inherent strength of silica aerogel materials is low, brittleness is big and is easy cracking etc., limits its use in practice.
In the prior art, it generallys use and reinforcing fiber is added to improve its mechanical strength.Currently used reinforcing fiber master
There are asbestos fibre, the organic fibers such as paper pulp, cotton, fiber crops, brucite fiber and alkali-resistant glass fibre etc..However, above-mentioned organic fibre
Although dimension has preferable reinforcing effect, poor heat resistance, easy to aging or carbonization easily causes product and cracks, intensity drop
It is low；The specific gravity of brucite fiber and glass fibre is larger, easily increases product bulk density in use, influences its heat preservation, heat-proof quality.
For this reason, it is necessary in view of the above-mentioned problems, propose a kind of aerosil-carbon fiber compound insulating material and its
Preparation method is able to solve problems of the prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of aerosil-carbon fiber compound insulating material and its preparation sides
Method, to overcome deficiency in the prior art.
To achieve the above object, the present invention provides the following technical solutions：
A kind of aerosil-carbon fiber compound insulating material, according to parts by weight composition include：Silica airsetting
30~40 parts of glue, 15~25 parts of carbon fiber, 20~30 parts of water, 5~10 parts of diatomite, 10~20 parts of pure-acrylic emulsion.
Preferably, include according to parts by weight composition：35 parts of aerosil, 20 parts of carbon fiber, 25 parts of water, diatomite
8 parts, 15 parts of pure-acrylic emulsion.
Preferably, the average length of the carbon fiber is 100~500 μm.
Preferably, the aerosil is made of raw material from the following weight：30~40 parts of ethyl orthosilicate, nothing
50~60 parts of water-ethanol, 5~8 parts of triethoxy methyl silicane, 5~10 parts of deionized water, 0.5~1.5 part of hydrochloric acid.
Preferably, the aerosil is made of raw material from the following weight：35 parts of ethyl orthosilicate, anhydrous second
55 parts of alcohol, 6.5 parts of triethoxy methyl silicane, 8 parts of deionized water, 1 part of hydrochloric acid.
The present invention also provides a kind of aerosil-carbon fiber compound insulating material preparation method, including it is as follows
Step：
(1) 30~40 parts of aerosil and 20~30 parts of water are mixed, is stirred to dissolve；
(2) 10~20 parts of pure-acrylic emulsion is added in step (1) resulting solution, stirs 1~2h；
(3) 15~25 parts of carbon fiber and 5~10 parts of diatomite are added in step (2) resulting solution, stirring 1~
2h；
(4) step (3) resulting solution is dried to 30~40min under conditions of 70~90 DEG C, obtains silica gas
Gel-carbon fiber compound insulating material.
Preferably, which is characterized in that in step (1), the preparation method of the aerosil includes the following steps：
1) 30~40 parts of ethyl orthosilicates, 5~8 parts of triethoxy methyl silicanes, 50~60 parts of ethyl alcohol and 5~10 parts of deionized waters are mixed
Merging stirs evenly；2) 0.5~1.5 part of hydrochloric acid under stirring conditions, is added dropwise into step 1), in 50~60 DEG C of water bath conditions
Lower stirring 30~40min, 10~20min of aging process obtain aerosil.
Compared with the prior art, the advantages of the present invention are as follows：In the present invention, by by carbon fiber and aerosil
Fusion, substantially increases the heat-proof quality of thermal insulation material, enhances heat insulation effect.
Specific embodiment
The present invention is described further by the following example：According to following embodiments, the present invention may be better understood.
However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described in embodiment are only used
In illustrating the present invention, without the present invention described in detail in claims should will not be limited.
The present invention discloses a kind of aerosil-carbon fiber compound insulating material, includes according to parts by weight composition：Two
30~40 parts of silica aerogel, 15~25 parts of carbon fiber, 20~30 parts of water, 5~10 parts of diatomite, pure-acrylic emulsion 10~20
Part.
Invention additionally discloses a kind of aerosil-carbon fiber compound insulating material preparation method, including it is as follows
Step：
(1) 30~40 parts of aerosil and 20~30 parts of water are mixed, is stirred to dissolve；
(2) 10~20 parts of pure-acrylic emulsion is added in step (1) resulting solution, stirs 1~2h；
(3) 15~25 parts of carbon fiber and 5~10 parts of diatomite are added in step (2) resulting solution, stirring 1~
2h；
(4) step (3) resulting solution is dried to 30~40min under conditions of 70~90 DEG C, obtains silica gas
Gel-carbon fiber compound insulating material.
It is following that aerosil in the present invention-carbon fiber compound insulating material is illustrated with specifically embodiment
Preparation method.
Embodiment 1
(1) 30 parts of aerosil and 20 parts of water are mixed, is stirred to dissolve；
(2) 10 parts of pure-acrylic emulsion is added in step (1) resulting solution, stirs 1h；
(3) 15 parts of carbon fiber and 5 parts of diatomite are added in step (2) resulting solution, stir 1h；
(4) step (3) resulting solution is dried to 30min under conditions of 70 DEG C, obtains aerosil-carbon fiber
Tie up compound insulating material.
Wherein, in step (1), the preparation method of the aerosil includes the following steps：
1) 30 parts of ethyl orthosilicates, 5 parts of triethoxy methyl silicanes, 50 parts of ethyl alcohol and 5 parts of deionized waters are mixed and is stirred
It mixes uniformly；
2) 0.5 part of hydrochloric acid under stirring conditions, is added dropwise into step 1), 30min is stirred under 50 DEG C of water bath conditions, always
Change processing 10min, obtains aerosil.
Embodiment 2
(1) 35 parts of aerosil and 25 parts of water are mixed, is stirred to dissolve；
(2) 15 parts of pure-acrylic emulsion is added in step (1) resulting solution, stirs 1.5h；
(3) 20 parts of carbon fiber and 8 parts of diatomite are added in step (2) resulting solution, stir 1.5h；
(4) step (3) resulting solution is dried to 35min under conditions of 80 DEG C, obtains aerosil-carbon fiber
Tie up compound insulating material.
Wherein, in step (1), the preparation method of the aerosil includes the following steps：
1) 35 parts of ethyl orthosilicates, 6.5 parts of triethoxy methyl silicanes, 55 parts of ethyl alcohol and 8 parts of deionized waters are mixed simultaneously
It stirs evenly；
2) 1 part of hydrochloric acid under stirring conditions, is added dropwise into step 1), 35min, aging are stirred under 55 DEG C of water bath conditions
15min is handled, aerosil is obtained.
Embodiment 3
(1) 40 parts of aerosil and 30 parts of water are mixed, is stirred to dissolve；
(2) 20 parts of pure-acrylic emulsion is added in step (1) resulting solution, stirs 2h；
(3) 25 parts of carbon fiber and 10 parts of diatomite are added in step (2) resulting solution, stir 2h；
(4) step (3) resulting solution is dried to 40min under conditions of 90 DEG C, obtains aerosil-carbon fiber
Tie up compound insulating material.
Wherein, in step (1), the preparation method of the aerosil includes the following steps：
1) 40 parts of ethyl orthosilicates, 8 parts of triethoxy methyl silicanes, 60 parts of ethyl alcohol and 10 parts of deionized waters are mixed and is stirred
It mixes uniformly；
2) 1.5 parts of hydrochloric acid under stirring conditions, are added dropwise into step 1), 40min are stirred under 60 DEG C of water bath conditions, always
Change processing 20min, obtains aerosil.
In the aerosil according to made from the method in above-described embodiment-carbon fiber compound insulating material, pass through
Carbon fiber is merged with aerosil, the heat-proof quality of thermal insulation material is substantially increased, enhances heat insulation effect, lead
Hot coefficient reaches 0.019W/ (m2·K)。
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
Claims (7)
1. a kind of aerosil-carbon fiber compound insulating material, which is characterized in that include according to parts by weight composition：Two
30~40 parts of silica aerogel, 15~25 parts of carbon fiber, 20~30 parts of water, 5~10 parts of diatomite, pure-acrylic emulsion 10~20
Part.
2. aerosil according to claim 1-carbon fiber compound insulating material, which is characterized in that according to weight
Amount part, which forms, includes：35 parts of aerosil, 20 parts of carbon fiber, 25 parts of water, 8 parts of diatomite, 15 parts of pure-acrylic emulsion.
3. aerosil according to claim 1-carbon fiber compound insulating material, which is characterized in that the carbon
The average length of fiber is 100~500 μm.
4. aerosil according to claim 1-carbon fiber compound insulating material, which is characterized in that described two
Silica aerogel is made of raw material from the following weight：30~40 parts of ethyl orthosilicate, 50~60 parts of dehydrated alcohol, three ethoxies
5~8 parts of butyldimethylsilyl, 5~10 parts of deionized water, 0.5~1.5 part of hydrochloric acid.
5. aerosil according to claim 4-carbon fiber compound insulating material, which is characterized in that described two
Silica aerogel is made of raw material from the following weight：35 parts of ethyl orthosilicate, 55 parts of dehydrated alcohol, triethoxy methyl silicon
6.5 parts of alkane, 8 parts of deionized water, 1 part of hydrochloric acid.
6. a kind of preparation method of aerosil according to claim 1-carbon fiber compound insulating material, special
Sign is, includes the following steps：
(1) 30~40 parts of aerosil and 20~30 parts of water are mixed, is stirred to dissolve；
(2) 10~20 parts of pure-acrylic emulsion is added in step (1) resulting solution, stirs 1~2h；
(3) 15~25 parts of carbon fiber and 5~10 parts of diatomite are added in step (2) resulting solution, stir 1~2h；
(4) step (3) resulting solution is dried to 30~40min under conditions of 70~90 DEG C, obtains aerosil-
Carbon fiber compound insulating material.
7. aerosil according to claim 6-carbon fiber compound insulating material preparation method, feature exist
In in step (1), the preparation method of the aerosil includes the following steps：1) by 30~40 parts of ethyl orthosilicates,
5~8 parts of triethoxy methyl silicanes, 50~60 parts of ethyl alcohol and 5~10 parts of deionized waters are mixed and stirred for uniformly；2) in stirring
Under the conditions of, to 0.5~1.5 part of hydrochloric acid is added dropwise in step 1), 30~40min is stirred under 50~60 DEG C of water bath conditions, at aging
10~20min is managed, aerosil is obtained.
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| CN201810803136.4A CN108821740A (en) | 2018-07-20 | 2018-07-20 | A kind of aerosil-carbon fiber compound insulating material and preparation method thereof |
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| CN201810803136.4A CN108821740A (en) | 2018-07-20 | 2018-07-20 | A kind of aerosil-carbon fiber compound insulating material and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101372337A (en) * | 2008-09-28 | 2009-02-25 | 厦门大学 | Method for preparing transparent silicon dioxide aerogel by co-precursor normal atmosphere drying |
| CN101628804A (en) * | 2008-07-18 | 2010-01-20 | 山东鲁阳股份有限公司 | Aerogel heat insulation composite material and preparation method thereof |
| CN102634351A (en) * | 2012-04-01 | 2012-08-15 | 宋斌 | Aqueous halogen-free flexible fireproof plugging material |
| CN102923723A (en) * | 2012-10-30 | 2013-02-13 | 陕西盟创纳米新型材料股份有限公司 | Novel aerosol material and preparation method, application and application structure thereof |
| CN103708476A (en) * | 2014-01-07 | 2014-04-09 | 厦门大学 | Preparation method of flexible silica aerogel |
| EP2799409A1 (en) * | 2013-05-03 | 2014-11-05 | EMPA Eidgenössische Materialprüfungs- und Forschungsanstalt | Thermally insulating aerogel based rendering materials |
| CN108084746A (en) * | 2017-12-12 | 2018-05-29 | 新华盛节能科技股份有限公司 | A kind of aerosil coating and preparation method thereof |
-
2018
- 2018-07-20 CN CN201810803136.4A patent/CN108821740A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101628804A (en) * | 2008-07-18 | 2010-01-20 | 山东鲁阳股份有限公司 | Aerogel heat insulation composite material and preparation method thereof |
| CN101372337A (en) * | 2008-09-28 | 2009-02-25 | 厦门大学 | Method for preparing transparent silicon dioxide aerogel by co-precursor normal atmosphere drying |
| CN102634351A (en) * | 2012-04-01 | 2012-08-15 | 宋斌 | Aqueous halogen-free flexible fireproof plugging material |
| CN102923723A (en) * | 2012-10-30 | 2013-02-13 | 陕西盟创纳米新型材料股份有限公司 | Novel aerosol material and preparation method, application and application structure thereof |
| EP2799409A1 (en) * | 2013-05-03 | 2014-11-05 | EMPA Eidgenössische Materialprüfungs- und Forschungsanstalt | Thermally insulating aerogel based rendering materials |
| CN103708476A (en) * | 2014-01-07 | 2014-04-09 | 厦门大学 | Preparation method of flexible silica aerogel |
| CN108084746A (en) * | 2017-12-12 | 2018-05-29 | 新华盛节能科技股份有限公司 | A kind of aerosil coating and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘佩华 编: "《高分子建筑材料与检测》", 30 November 2009, 学林出版社 * |
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Application publication date: 20181116 |