CN108821301A - Thermal insulation material modified montmorillonoid and preparation method thereof - Google Patents
Thermal insulation material modified montmorillonoid and preparation method thereof Download PDFInfo
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- CN108821301A CN108821301A CN201810584289.4A CN201810584289A CN108821301A CN 108821301 A CN108821301 A CN 108821301A CN 201810584289 A CN201810584289 A CN 201810584289A CN 108821301 A CN108821301 A CN 108821301A
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- preparation
- thermal insulation
- insulation material
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- modified montmorillonoid
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/36—Silicates having base-exchange properties but not having molecular sieve properties
- C01B33/38—Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type
- C01B33/44—Products obtained from layered base-exchange silicates by ion-exchange with organic compounds such as ammonium, phosphonium or sulfonium compounds or by intercalation of organic compounds, e.g. organoclay material
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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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/10—Clay
- C04B14/104—Bentonite, e.g. montmorillonite
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Civil Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of thermal insulation material modified montmorillonoids and preparation method thereof, wherein the preparation method includes：1) in the presence of a solvent, by after cetyl trimethylammonium bromide and montmorillonite hybrid reaction 1-5h, taking precipitate M1；2) sediment M1 obtained in step 1) is placed in aluminum salt solution and/or magnesium salt solution after mixing and takes precipitating, sediment M2 is made；3) sediment M2 obtained in step 2) is placed under conditions of temperature is 200-400 DEG C and is roasted, obtained thermal insulation material modified montmorillonoid.By above-mentioned design, to imvite modified and after being added in thermal insulation material, the thermal insulation property of thermal insulation material can simply effectively improved.
Description
Technical field
The present invention relates to field of heat insulating materials, and in particular, to thermal insulation material modified montmorillonoid and preparation method thereof.
Background technique
The material that thermal insulation material is used as fields such as a kind of important buildings, using extremely wide.And with energy
Source price rises steadily, and the requirement for the service performance of thermal insulation material also more comes also high.Meanwhile thermal insulation material is when in use
Often because the factors such as use environment make its thickness blocked up, and still there is lower thermally conductive system on this basis
Number.
When therefore it provides one kind is in thermal insulation material its heat insulating ability can be further increased under the premise of same thickness
The problem of thermal insulation material modified montmorillonoid and preparation method thereof of energy is urgent need to resolve of the present invention.
Summary of the invention
For the above-mentioned prior art, it is an object of the invention to overcome in the prior art the thermal insulation property of often thermal insulation material
It is unable to satisfy the demand of requirements at the higher level, thus can be under the premise of same thickness, into one when providing a kind of be used in thermal insulation material
Step improves the thermal insulation material modified montmorillonoid and preparation method thereof of its thermal insulation property.
To achieve the goals above, the present invention provides a kind of preparation methods of thermal insulation material modified montmorillonoid, wherein
The preparation method includes：
1) it in the presence of a solvent, by after cetyl trimethylammonium bromide and montmorillonite hybrid reaction 1-5h, takes
Sediment M1；
2) sediment M1 obtained in step 1) is placed in aluminum salt solution and/or magnesium salt solution after mixing and takes precipitating, made
Obtain sediment M2；
3) sediment M2 obtained in step 2) is placed under conditions of temperature is 200-400 DEG C and is roasted, thermal insulating material is made
Material uses modified montmorillonoid.
The present invention also provides a kind of thermal insulation material modified montmorillonoid according to made from preparation method described above.
Through the above technical solutions, the present invention is in the presence of a solvent, by cetyl trimethylammonium bromide and illiteracy
De- soil hybrid reaction, is modified cetyl trimethylammonium bromide to montmorillonite, displaces between cheating engaging layer
Inorganic ions such as a large amount of magnaliums, and alkyl is injected between montmorillonite, increase the gap between each level of montmorillonite, then into one
Above-mentioned sediment is placed in aluminum salt solution and/or magnesium salt solution after immersion and roasts by step, so that being taken off by above-mentioned modified cover
Soil can effectively improve the thermal insulation property of thermal insulation material, enable thermal insulation material in same thickness when in thermal insulation material
Under conditions of have lower thermal coefficient.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
The present invention provides a kind of preparation methods of thermal insulation material modified montmorillonoid, wherein the preparation method includes：
1) it in the presence of a solvent, by after cetyl trimethylammonium bromide and montmorillonite hybrid reaction 1-5h, takes
Sediment M1；
2) sediment M1 obtained in step 1) is placed in aluminum salt solution and/or magnesium salt solution after mixing and takes precipitating, made
Obtain sediment M2；
3) sediment M2 obtained in step 2) is placed under conditions of temperature is 200-400 DEG C and is roasted, thermal insulating material is made
Material uses modified montmorillonoid.
In a preferred embodiment of the invention, in step 1), the solvent is selected from water and/or ethyl alcohol.
In further preferred embodiment, in step 1), mixed process is by cetyl trimethylammonium bromide and molten
After agent mixes under agitation and is warming up to 60-80 DEG C, montmorillonite mixing is added thereto.
The dosage of above-mentioned raw materials can select in a wide range, for example, in a kind of preferred embodiment of the invention
In, relative to the solvent of 100mL, the dosage of the cetyl trimethylammonium bromide is 2-5g, the use of the montmorillonite
Amount is 8-15g.
In further preferred embodiment, in step 2), the aluminium salt is selected from aluminum nitrate and/or aluminium chloride, the magnesium
Salt is selected from magnesium nitrate and/or magnesium sulfate.
It further include drying sediment M2, and drying course is to set in step 2) in another preferred embodiment
It is carried out under conditions of being 80-120 DEG C in temperature.
In one kind more preferably embodiment, calcining time is 2-3h in step 3).
The present invention also provides a kind of thermal insulation material modified montmorillonoid according to made from preparation method described above.
The present invention will be described in detail by way of examples below.
Embodiment 1
1) after mixing under agitation by 2g cetyl trimethylammonium bromide and 100mL water and be warming up to 60 DEG C, to
After 8g montmorillonite hybrid reaction 1h wherein is added, taking precipitate M1；
2) sediment M1 obtained in step 1) is placed in aluminum nitrate solution and magnesium nitrate solution after mixing and takes precipitating, made
Sediment M2 be placed in temperature be 80 DEG C under conditions of dry；
3) sediment M2 obtained in step 2) is placed under conditions of temperature is 200 DEG C and roasts 2h, thermal insulation material is made
With modified montmorillonoid A1.
Embodiment 2
1) after mixing under agitation by 5g cetyl trimethylammonium bromide and 100mL ethyl alcohol and be warming up to 80 DEG C,
After 15g montmorillonite hybrid reaction 5h is added thereto, taking precipitate M1；
2) sediment M1 obtained in step 1) is placed in aluminum nitrate solution and magnesium nitrate solution after mixing and takes precipitating, made
Sediment M2 be placed in temperature be 120 DEG C under conditions of dry；
3) sediment M2 obtained in step 2) is placed under conditions of temperature is 400 DEG C and roasts 3h, thermal insulation material is made
With modified montmorillonoid A2.
Embodiment 3
1) 3g cetyl trimethylammonium bromide and 50mL water and 50mL ethyl alcohol are mixed and is heated up under agitation
To after 70 DEG C, after 12g montmorillonite hybrid reaction 3h is added thereto, taking precipitate M1；
2) sediment M1 obtained in step 1) is placed in aluminum nitrate solution and magnesium nitrate solution after mixing and takes precipitating, made
Sediment M2 be placed in temperature be 100 DEG C under conditions of dry；
3) sediment M2 obtained in step 2) is placed under conditions of temperature is 300 DEG C and roasts 3h, thermal insulation material is made
With modified montmorillonoid A3.
Embodiment 4
It is prepared according to the preparation method of embodiment 1, unlike, mixed process is to be placed directly within 20 DEG C in step 1)
Under conditions of mix, be made thermal insulation material modified montmorillonoid A4.
Embodiment 5
It is prepared according to the preparation method of embodiment 2, unlike, the dosage of the cetyl trimethylammonium bromide
For 1g, and calcining time is 1h in step 3), and thermal insulation material modified montmorillonoid A5 is made.
Comparative example 1
It is prepared according to the preparation method of embodiment 1, unlike, it is added without cetyl trimethylammonium bromide, is made
Obtain modified montmorillonoid D1.
Comparative example 2
It is prepared according to the preparation method of embodiment 2, unlike, without step 2), modified montmorillonoid D2 is made.
Test case
Polyether polyol, isocyanates, catalyst, foaming agent and above-mentioned A1-A5, D1-D2 are distinguished into mixed foaming, are made
Thermal insulation material, meanwhile, D3 is made in polyether polyol, isocyanates, catalyst, foaming agent mixed foaming, detects above-mentioned heat preservation
The thermal coefficient of material, obtains that the results are shown in Table 1.
Table 1
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (8)
1. a kind of preparation method of thermal insulation material modified montmorillonoid, which is characterized in that the preparation method includes：
1) in the presence of a solvent, by after cetyl trimethylammonium bromide and montmorillonite hybrid reaction 1-5h, precipitating is taken
Object M1；
2) sediment M1 obtained in step 1) is placed in aluminum salt solution and/or magnesium salt solution after mixing and takes precipitating, be made heavy
Starch M2；
3) sediment M2 obtained in step 2) is placed under conditions of temperature is 200-400 DEG C and is roasted, thermal insulation material is made and uses
Modified montmorillonoid.
2. preparation method according to claim 1, wherein in step 1), the solvent is selected from water and/or ethyl alcohol.
3. preparation method according to claim 1 or 2, wherein in step 1), mixed process is by cetyl trimethyl
After ammonium bromide and solvent mix under agitation and be warming up to 60-80 DEG C, montmorillonite mixing is added thereto.
4. preparation method according to claim 3, wherein relative to the solvent of 100mL, the cetyl front three
The dosage of base ammonium bromide is 2-5g, and the dosage of the montmorillonite is 8-15g.
5. preparation method according to claim 1 or 2, wherein in step 2), the aluminium salt is selected from aluminum nitrate and/or chlorine
Change aluminium, the magnesium salts is selected from magnesium nitrate and/or magnesium sulfate.
6. preparation method according to claim 1 or 2, wherein further include in step 2) sediment M2 is dried, and
Drying course is to be placed under conditions of temperature is 80-120 DEG C to carry out.
7. preparation method according to claim 1 or 2, wherein calcining time is 2-3h in step 3).
8. thermal insulation material modified montmorillonoid made from a kind of preparation method according to any one of claims 1-7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810584289.4A CN108821301B (en) | 2018-06-08 | 2018-06-08 | Modified montmorillonite for thermal insulation material and preparation method thereof |
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| CN201810584289.4A CN108821301B (en) | 2018-06-08 | 2018-06-08 | Modified montmorillonite for thermal insulation material and preparation method thereof |
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| CN108821301A true CN108821301A (en) | 2018-11-16 |
| CN108821301B CN108821301B (en) | 2022-06-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112694282A (en) * | 2020-12-21 | 2021-04-23 | 深圳恒固纳米科技有限公司 | Preparation process of novel water-based nano heat-insulating material |
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| US20130143988A1 (en) * | 2010-08-04 | 2013-06-06 | Instituto Tecnológico Del Embalaje, Transporte Y Logística (Itene) | Modified phyllosilicate |
| CN104924706A (en) * | 2015-05-20 | 2015-09-23 | 北京化工大学 | Preparation method for composite material with hydrotalcite-imvite laminate alternating structure |
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| CN112694282A (en) * | 2020-12-21 | 2021-04-23 | 深圳恒固纳米科技有限公司 | Preparation process of novel water-based nano heat-insulating material |
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