CN107117884B - A kind of microdilatancy Fireproof thermal insulation mortar and preparation method thereof - Google Patents
A kind of microdilatancy Fireproof thermal insulation mortar and preparation method thereof Download PDFInfo
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- CN107117884B CN107117884B CN201710464086.7A CN201710464086A CN107117884B CN 107117884 B CN107117884 B CN 107117884B CN 201710464086 A CN201710464086 A CN 201710464086A CN 107117884 B CN107117884 B CN 107117884B
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- microdilatancy
- thermal insulation
- fireproof thermal
- mortar
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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
- 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
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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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)
- Building Environments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to mortar preparation technical field, a kind of microdilatancy Fireproof thermal insulation mortar and preparation method thereof is specifically disclosed.The microdilatancy Fireproof thermal insulation mortar includes the component of following parts by weight: 100~150 parts of cement；150~300 parts of quartz sand；20~40 parts of dicalcium powder；10~20 parts of redispersable latex powder；50~80 parts of functional material；The functional material includes the component of following parts by weight: 30~50 parts of glass bead；30~50 parts of vermiculite；10~20 parts of lignin；5~10 parts of graphite powder.The each component is selected from non-toxic components, environment friendly and pollution-free；The microdilatancy Fireproof thermal insulation mortar being prepared by it can effectively inhibit to shrink when mortar is dry and generate crack, have very excellent crack resistance；In addition, microdilatancy Fireproof thermal insulation mortar good heat insulating of the present invention, intensity and refractoriness are high.
Description
Technical field
The present invention relates to mortar preparation technical fields, and in particular to a kind of microdilatancy Fireproof thermal insulation mortar and its preparation side
Method.
Background technique
Mortar is formed by cementitious material (cement, lime, clay etc.) and fine aggregate (sand) plus water mix, and tide is generally used for
Masonry, metope or ground in wet environment or water etc.；.There are commonly cement mortar, mixed mortar (or being cement-lime mortar),
Lime mortar and clay mortar.
Good workability need to only be met for general mortar, and the mortar after hardening then have required intensity and
Cohesive force.But there are drying shrinkage, creep, altitude temperature difference effects for general mortar, and will cause Mortar shrinkage deformation will generate and occur
Crack, therefore the generation for how reducing crack puts forward new requirements the production of new type mortar.Furthermore but as people are to building
The raising of object requirement is built, there is the multi-functional mortars such as environmental protection, fire prevention, heat preservation also to have a vast market foreground.
Summary of the invention
The technical problem to be solved by the present invention is to provide one kind to overcome the above deficiencies in the existing technologies
Microdilatancy Fireproof thermal insulation mortar.
Above-mentioned technical problem to be solved by this invention, is achieved by the following technical programs:
A kind of microdilatancy Fireproof thermal insulation mortar includes following component: cement, quartz sand, redispersable latex powder, dicalcium powder
And functional material.
Preferably, the microdilatancy Fireproof thermal insulation mortar, the component comprising following parts by weight:
Above-mentioned slurry component and its proportion are that inventor finds out to come through many experiments, in said components and proportional region
The mortar being inside prepared has the function of microdilatancy, can effectively prevent the dry after-contraction cracking of mortar, while the mortar is also
With good intensity, fire protecting performance and thermal insulation property.
It is further preferred that the microdilatancy Fireproof thermal insulation mortar, the component comprising following parts by weight:
Most preferably, the microdilatancy Fireproof thermal insulation mortar, the component comprising following parts by weight:
Preferably, the functional material includes the component of following parts by weight:
It is further preferred that the functional material includes the component of following parts by weight:
It is further preferred that the functional material includes the component of following parts by weight:
Most preferably, the functional material includes the component of following parts by weight:
The functional material is that invention is found out to come through many experiments, after mixing in mortar, so that mortar has
Microdilatancy function, can effectively prevent the dry after-contraction cracking of mortar, at the same its can also effective reinforced mortar intensity, fire protecting performance
And thermal insulation property.
Preferably, the cement is ordinary portland cement.
The preparation method of above-mentioned microdilatancy Fireproof thermal insulation mortar, specifically: by cement, quartz sand, redispersable latex powder,
Dicalcium powder and functional material mixing, stir evenly to obtain the final product.
The utility model has the advantages that the present invention provides the microdilatancy Fireproof thermal insulation mortar that one kind completely newly forms, each component is equal
It is environment friendly and pollution-free selected from non-toxic components；Embodiment it is demonstrated experimentally that microdilatancy Fireproof thermal insulation mortar of the present invention linear shrinkage
Rate is very small, illustrates that microdilatancy Fireproof thermal insulation mortar of the present invention can effectively inhibit to shrink when mortar is dry and generate and split
Seam has very excellent crack resistance；In addition, microdilatancy Fireproof thermal insulation mortar good heat insulating of the present invention, intensity with
And refractoriness is high.
Specific embodiment
The present invention is explained further below in conjunction with specific embodiment, but embodiment does not do any type of limit to the present invention
It is fixed.
The preparation of 1 microdilatancy Fireproof thermal insulation mortar of embodiment
Composition weight proportion: 150 parts of cement；200 parts of quartz sand；25 parts of dicalcium powder；15 parts of redispersable latex powder；Function
70 parts of material of property；
The functional material composition weight proportion: 50 parts of glass bead；50 parts of vermiculite；15 parts of lignin；Graphite powder 5
Part；
Preparation method: the components such as cement, quartz sand, redispersable latex powder, dicalcium powder and functional material are mixed,
It stirs evenly to obtain the final product.
The preparation of 2 microdilatancy Fireproof thermal insulation mortar of embodiment
Composition weight proportion: 150 parts of cement；200 parts of quartz sand；25 parts of dicalcium powder；15 parts of redispersable latex powder；Function
70 parts of material of property；
The functional material composition weight proportion: 30 parts of glass bead；30 parts of vermiculite；20 parts of lignin；Graphite powder 10
Part；
Preparation method: the components such as cement, quartz sand, redispersable latex powder, dicalcium powder and functional material are mixed,
It stirs evenly to obtain the final product.
The preparation of 3 microdilatancy Fireproof thermal insulation mortar of embodiment
Composition weight proportion: 120 parts of cement；200 parts of quartz sand；20 parts of dicalcium powder；20 parts of redispersable latex powder；Function
60 parts of material of property；
The functional material composition weight proportion: 50 parts of glass bead；50 parts of vermiculite；15 parts of lignin；Graphite powder 5
Part；
Preparation method: the components such as cement, quartz sand, redispersable latex powder, dicalcium powder and functional material are mixed,
It stirs evenly to obtain the final product.
The preparation of 4 microdilatancy Fireproof thermal insulation mortar of embodiment
Composition weight proportion: 150 parts of cement；150 parts of quartz sand；40 parts of dicalcium powder；20 parts of redispersable latex powder；Function
50 parts of material of property；
The functional material composition weight proportion: 50 parts of glass bead；50 parts of vermiculite；15 parts of lignin；Graphite powder 5
Part；
Preparation method: the components such as cement, quartz sand, redispersable latex powder, dicalcium powder and functional material are mixed,
It stirs evenly to obtain the final product.
Comparative example 1
Composition weight proportion: 150 parts of cement；150 parts of quartz sand；40 parts of dicalcium powder；20 parts of redispersable latex powder；
Preparation method: cement, quartz sand, redispersable latex powder and dicalcium powder are mixed, and are stirred evenly up to mortar.
The microdilatancy Fireproof thermal insulation mortar performance test of the present invention of embodiment 5
The mortar that Examples 1 to 4 and comparative example 1 are prepared is blended into etc. to the water of weight, then according to GB/
The test method of T20473-2006 tests properties, and test result is shown in Table 1.
1. microdilatancy Fireproof thermal insulation mortar the performance test results of table
It can be seen that the microdilatancy Fireproof thermal insulation mortar 7d linear shrinkage that the present invention is prepared from 1 data linear shrinkage ratio of table
Rate is less than 0.009,28d linear shrinkage ratio less than 0.032；The especially microdilatancy Fireproof thermal insulation mortar that is prepared of embodiment 1,
7d linear shrinkage ratio is less than 0.003,28d linear shrinkage ratio less than 0.011；Its value is far smaller than heat preservation as defined in GB/T20473-2006
Mortar linear shrinkage ratio maximum value should not exceed 0.3% standard.This illustrates microdilatancy Fireproof thermal insulation mortar energy of the present invention
Enough inhibit to shrink when mortar is dry and generate crack, there is very excellent crack resistance, especially embodiment 1 to be prepared micro-
Expansible fireproof thermal insulation mortar, in terms of crack resistance with comparative example 1 (functional material of the present invention is not added) and standard
It compares, achieves the progress of highly significant.
Thermal coefficient can be seen that microdilatancy Fireproof thermal insulation mortar its thermal coefficient that the present invention is prepared from table 1
Less than 0.063W/ (mK), illustrate its microdilatancy that there is very excellent thermal insulation property, especially embodiment 1 to be prepared
Its thermal coefficient of Fireproof thermal insulation mortar is minimum, (functional material of the present invention is not added) in heat insulating ability compared with comparative example
Can on achieve significant progress.
In addition, it is extraordinary to can also be seen that the microdilatancy Fireproof thermal insulation mortar of the invention being prepared also has from table 1
Intensity and fire resistance.
Claims (8)
1. a kind of microdilatancy Fireproof thermal insulation mortar, which is characterized in that the component comprising following parts by weight:
100~150 parts of cement；
150~300 parts of quartz sand；
20~40 parts of dicalcium powder；
10~20 parts of redispersable latex powder；
50~80 parts of functional material；
The functional material includes the component of following parts by weight:
2. microdilatancy Fireproof thermal insulation mortar according to claim 1, which is characterized in that the component comprising following parts by weight:
120~150 parts of cement；
150~200 parts of quartz sand；
20~30 parts of dicalcium powder；
15~20 parts of redispersable latex powder；
60~80 parts of functional material.
3. microdilatancy Fireproof thermal insulation mortar according to claim 2, which is characterized in that the component comprising following parts by weight:
150 parts of cement；
200 parts of quartz sand；
25 parts of dicalcium powder；
15 parts of redispersable latex powder；
70 parts of functional material.
4. microdilatancy Fireproof thermal insulation mortar according to claim 1, which is characterized in that the functional material includes such as
The component of lower parts by weight:
5. microdilatancy Fireproof thermal insulation mortar according to claim 4, which is characterized in that the functional material includes such as
The component of lower parts by weight:
6. microdilatancy Fireproof thermal insulation mortar according to claim 5, which is characterized in that the functional material includes such as
The component of lower parts by weight:
7. described in any item microdilatancy Fireproof thermal insulation mortars according to claim 1~3, which is characterized in that the cement is
Ordinary portland cement.
8. the preparation method of the described in any item microdilatancy Fireproof thermal insulation mortars of claims 1 to 3, which is characterized in that by cement,
Quartz sand, redispersable latex powder, dicalcium powder and functional material mixing, stir evenly to obtain the final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464086.7A CN107117884B (en) | 2017-06-19 | 2017-06-19 | A kind of microdilatancy Fireproof thermal insulation mortar and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464086.7A CN107117884B (en) | 2017-06-19 | 2017-06-19 | A kind of microdilatancy Fireproof thermal insulation mortar and preparation method thereof |
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| CN107117884A CN107117884A (en) | 2017-09-01 |
| CN107117884B true CN107117884B (en) | 2019-11-15 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046676A (en) * | 2018-02-01 | 2018-05-18 | 广西超盛网络科技有限责任公司 | A kind of anti-cracking heat insulation mortar and preparation method thereof |
| CN112759321B (en) * | 2020-12-31 | 2022-04-12 | 成都富思特新材料有限公司 | Additive formula for improving performance of insulation board and production method of insulation board |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880133A (en) * | 2010-06-13 | 2010-11-10 | 中国建筑材料科学研究总院 | Light thermal insulation mortar with electromagnetic wave absorption function and construction method thereof |
| CN103058614A (en) * | 2013-01-25 | 2013-04-24 | 山东高阳建材有限公司 | Special thin anti-crack plastering mortar for autoclaved aerated concrete |
-
2017
- 2017-06-19 CN CN201710464086.7A patent/CN107117884B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880133A (en) * | 2010-06-13 | 2010-11-10 | 中国建筑材料科学研究总院 | Light thermal insulation mortar with electromagnetic wave absorption function and construction method thereof |
| CN103058614A (en) * | 2013-01-25 | 2013-04-24 | 山东高阳建材有限公司 | Special thin anti-crack plastering mortar for autoclaved aerated concrete |
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| CN107117884A (en) | 2017-09-01 |
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