CN107601937A - A kind of antalkaline of cement mortar or concrete - Google Patents
A kind of antalkaline of cement mortar or concrete Download PDFInfo
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- CN107601937A CN107601937A CN201710642799.8A CN201710642799A CN107601937A CN 107601937 A CN107601937 A CN 107601937A CN 201710642799 A CN201710642799 A CN 201710642799A CN 107601937 A CN107601937 A CN 107601937A
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- Prior art keywords
- powder
- antalkaline
- concrete
- cement mortar
- miberal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses the raw material composition of a kind of cement mortar or the antalkaline of concrete, including following percentage by weight：Miberal powder 25 48%, dispersant 6 12%, SiO 2 powder 30 37%, zeolite powder 8 32%.The antalkaline effectively prevents the accumulation of salt in the surface soil phenomenon in cement mortar, concrete.
Description
Technical field
The invention belongs to field of material technology, more particularly to the antalkaline of a kind of cement mortar or concrete.
Background technology
Silicate concrete or mortar, after a period of time has passed, surface occur being similar to the crystal boule room as frost
Can directly separate out, and pass through coating or the decorated metope of paint, it may appear that heave, peeling, phenomena such as coming off, severely impact
Decoration performance, these are results caused by " accumulation of salt in the surface soil " phenomenon.
The reason for generation accumulation of salt in the surface soil is, concrete or mortar are that aquation occurs for the moisture in silicate, with air or wall,
Produce hydroxide, such as calcium hydroxide alkaline matter.Water in concrete or mortar rises with pore, hydroxide etc.
Concrete surface is taken to by moisture.As surface moisture evaporates, the material such as calcium hydroxide remains in surface, forms white powder knot
Crystalline substance, form accumulation of salt in the surface soil phenomenon.
In order to solve the problems, such as the accumulation of salt in the surface soil of concrete or mortar, the difficulty of subsequent construction decoration caused by preventing the accumulation of salt in the surface soil, how
The accumulation of salt in the surface soil is more efficiently prevented, turns into a problem for being worth research.
The content of the invention
In view of the defects of above-mentioned prior art is present, the purpose of the present invention is to propose to a kind of cement mortar or concrete
Antalkaline, effectively prevent the generation of cement or concrete accumulation of salt in the surface soil phenomenon.
The purpose of the present invention will be achieved by the following technical programs：
The antalkaline of a kind of cement mortar or concrete, include the raw material composition of following percentage by weight：Miberal powder 25-
48%, dispersant 6-12%, SiO 2 powder 30-37%, zeolite powder 8-32%.
A kind of above-mentioned cement mortar or the antalkaline of concrete, include the raw material composition of following parts by weight：Miberal powder 30-
45%, dispersant 8-10%, SiO 2 powder 32-35%, zeolite powder 10-30%.
A kind of above-mentioned cement mortar or the antalkaline of concrete, wherein, the miberal powder is 973 miberal powders.
A kind of above-mentioned cement mortar or the antalkaline of concrete, wherein, the SiO 2 powder is selected from unformed
SiO 2 powder, the specific surface area of the amorphous silica powder is 100m2/ more than g.
A kind of above-mentioned cement mortar or the antalkaline of concrete, wherein, the zeolite powder is clinoptilolite powder or silk
Geolyte powder.
A kind of preparation method of the antalkaline of cement mortar or concrete, comprises the following steps：By miberal powder, dispersant, two
Silicon oxide powder, zeolite powder are mixed according to percentage by weight, ground, and are produced.
Above-mentioned preparation method, wherein, in addition to be ground to below 200 mesh.
A kind of antalkaline is applied in cement mortar or concrete.
Above-mentioned application, wherein, addition of the antalkaline in cement mortar or concrete is 0.1%-0.5%.
Compared with prior art, the antalkaline of a kind of cement mortar provided by the invention or concrete, the technology reached
Effect is：The present invention is mainly acted synergistically jointly by each raw material, is made to contain a variety of high-activity minerals in the antalkaline of preparation, is mixed
Enter in cement, the basic ion concentration of solution in hole with the permeability and pore structure of mortar and concrete, can be reduced, absorb cement
Calcium hydroxide in hydration process, high-strength microcrystal is formed, lift compactness, reduce the surface accumulation of salt in the surface soil.
Below just in conjunction with the embodiments, the embodiment of the present invention is described in further detail, so that technical scheme is more
It should be readily appreciated that, grasp.
Embodiment
Below by specific embodiment, the present invention will be described, but the invention is not limited in this.In following embodiments
The experimental method, it is conventional method unless otherwise specified；The reagent and material, unless otherwise specified, can be from business
Approach obtains, example below and the scope of the claims for being not used to the limitation present invention, all equivalence enforcements without departing from carried out by the present invention
Or change, it is intended to be limited solely by the scope of this patent.
Embodiment 1
The formula of antalkaline：973 miberal powders 45%；Dispersant 10%；(specific surface area is amorphous silica powder
100m2/ g) 35%；Clinoptilolite powder 10%.
973 miberal powders in the present embodiment, main component are calcium oxide, silica, aluminum oxide.
The preparation method of antalkaline：By 45%973 miberal powders, 10% dispersant, 35% amorphous silica powder (compares table
Area is 100m2/ g), 10% clinoptilolite powder is added in vibromill, is ground to 200 mesh, is produced.
The preparation of gravity flowing levelling mortar：Weighed according to each raw material weight percentage in A groups, B groups, C groups in table 1, put into V-type
Mixed in batch mixer 40 minutes, 5000g gravity flowing levelling mortars are made respectively.
The formula (percentage by weight) of 1 different gravity flowing levelling mortars of table
| Title | Cement | Sulphur aluminium cement | Coarse whiting | Anhydrite | Sand | Water reducer | Cellulose ether | Latex powder | Tartaric acid | Defoamer | Antalkaline |
| A groups | 265 | 154 | 172 | 9 | 400 | 0.8 | 1.3 | 10 | 0.8 | 1 | |
| B groups | 265 | 154 | 172 | 9 | 400 | 0.8 | 1.3 | 10 | 0.8 | 1 | 2 |
| C groups | 265 | 154 | 172 | 9 | 400 | 0.8 | 1.3 | 10 | 0.8 | 1 | 4 |
According to above-mentioned A groups, B groups, C groups, 2000g gravity flowing levelling mortars are weighed respectively, the water that material weighs 26.8% are added, according to mark
Quasi- JC/T985-2005《Ground cement-based self-leveling mortar》Specified in step test gravity flowing levelling mortar performance, as a result see
Table 2.
Weigh 1000g gravity flowing levelling mortars respectively simultaneously, stirring after-pouring is in height 1cm circular die trial, 50% humidity
Conserve 7d, more than 80% humidity maintenance 20d, 45 DEG C of drying 1d of baking oven.Surface of test piece accumulation of salt in the surface soil situation is observed, and with 500g distilled water
Surface is rinsed, filtering, the pH value of filtrate is surveyed, the results are shown in Table 2.
The performance detection of the gravity flowing levelling mortar of table 2
From table 1,2, the accumulation of salt in the surface soil situation on observation mortar specimen surface, the mortar of antalkaline prepared by the present invention is added
Surface substantially reduces without obvious white crystal, the pH value of filtrates tested, surface alkalinty material, illustrates alkali resistant prepared by the present invention
Agent, which has, prevents gravity flowing levelling mortar accumulation of salt in the surface soil phenomenon from occurring.
Embodiment 2
The formula of antalkaline：973 miberal powders 30%；Dispersant 8%；(specific surface area reaches amorphous silica powder
100m2/ g) 32%；Modenite powder 30%.
973 miberal powders in the present embodiment, main component are calcium oxide, silica, aluminum oxide.
The preparation method of antalkaline：By 30%973 miberal powders, 8% dispersant, amorphous silica powder (specific surface area
Reach 100m2/ g) 32%, 30% modenite powder is added in ball mill, is ground to 150 mesh, is produced.
The preparation of gravity flowing levelling mortar：Weighed according to each raw material weight percentage in A groups, E groups, F groups in table 3, put into V-type
Mixed in batch mixer 40 minutes, 5000g gravity flowing levelling mortars are made respectively.
The formula (percentage by weight) of 3 different gravity flowing levelling mortars of table
| Title | Cement | Sulphur aluminium cement | Coarse whiting | Anhydrite | Sand | Water reducer | Cellulose ether | Latex powder | Tartaric acid | Defoamer | Antalkaline |
| A groups | 265 | 154 | 172 | 9 | 400 | 0.8 | 1.3 | 10 | 0.8 | 1 | |
| E groups | 265 | 154 | 172 | 9 | 400 | 0.8 | 1.3 | 10 | 0.8 | 1 | 2 |
| F groups | 265 | 154 | 172 | 9 | 400 | 0.8 | 1.3 | 10 | 0.8 | 1 | 4 |
According to above-mentioned A groups, E groups, F groups, 2000g gravity flowing levelling mortars are weighed respectively, the water that material weighs 26.8% are added, according to mark
Quasi- JC/T985-2005《Ground cement-based self-leveling mortar》Specified in step test gravity flowing levelling mortar performance, as a result see
Table 4.
Weigh 1000g gravity flowing levelling mortars respectively simultaneously, stirring after-pouring is in height 1cm circular die trial, 50% humidity
Conserve 7d, more than 80% humidity maintenance 20d, 45 DEG C of drying 1d of baking oven.Surface of test piece accumulation of salt in the surface soil situation is observed, and with 500g distilled water
Surface is rinsed, filtering, the pH value of filtrate is surveyed, the results are shown in Table 4.
The performance detection of the gravity flowing levelling mortar of table 4
From table 3,4, the accumulation of salt in the surface soil situation on observation mortar specimen surface, the mortar surface of antalkaline is added without obvious
White crystal, the pH value of filtrates tested, surface alkalinty material substantially reduce, and illustrating that the antalkaline of the invention prepared has prevents certainly
Levelling mortar accumulation of salt in the surface soil phenomenon occurs.
Some preferred embodiments of the present invention have shown and described in described above, but as previously described, it should be understood that the present invention
Be not limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations,
Modification and environment, and above-mentioned teaching or the technology or knowledge of association area can be passed through in the scope of the invention is set forth herein
It is modified., then all should be in this hair and the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention
In the protection domain of bright appended claims.
Claims (9)
- A kind of 1. antalkaline of cement mortar or concrete, it is characterised in that the raw material composition including following percentage by weight： Miberal powder 25-48%, dispersant 6-12%, SiO 2 powder 30-37%, zeolite powder 8-32%.
- 2. the antalkaline of a kind of cement mortar according to claim 1 or concrete, it is characterised in that including following heavy Measure the raw material composition of part：Miberal powder 30-45%, dispersant 8-10%, SiO 2 powder 32-35%, zeolite powder 10-30%.
- 3. the antalkaline of a kind of cement mortar according to claim 1 or concrete, it is characterised in that the miberal powder is 973 miberal powders.
- 4. the antalkaline of a kind of cement mortar according to claim 1 or concrete, it is characterised in that the titanium dioxide Si powder is selected from amorphous silica powder, and the specific surface area of the amorphous silica powder is 100m2/ more than g.
- 5. the antalkaline of a kind of cement mortar according to claim 1 or concrete, it is characterised in that the zeolite powder For clinoptilolite powder or modenite powder.
- 6. a kind of preparation method according to any one of the claim 1-5 cement mortars or the antalkaline of concrete, its feature It is, comprises the following steps：By miberal powder, dispersant, SiO 2 powder, zeolite powder mix, grind according to percentage by weight, i.e., .
- 7. preparation method according to claim 6, it is characterised in that also include being ground to below 200 mesh.
- 8. antalkaline prepared by a kind of preparation method according to claim 6 is applied in cement mortar or concrete.
- 9. application according to claim 8, it is characterised in that addition of the antalkaline in cement mortar or concrete Measure as 0.1%-0.5%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642799.8A CN107601937A (en) | 2017-07-31 | 2017-07-31 | A kind of antalkaline of cement mortar or concrete |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710642799.8A CN107601937A (en) | 2017-07-31 | 2017-07-31 | A kind of antalkaline of cement mortar or concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113527955A (en) * | 2020-04-22 | 2021-10-22 | 佛山托尼托肯材料科技有限公司 | Transparent alkali-resistant primer with strong bonding capacity for exterior wall and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1260331A (en) * | 1999-08-20 | 2000-07-19 | 胡一平 | Trace-silicon high-effect cement mortar water-proofing agent |
| CN1260332A (en) * | 1999-08-20 | 2000-07-19 | 胡一平 | Trace-silicon high-effect cement mortar and concrete alkali-proofing agent |
-
2017
- 2017-07-31 CN CN201710642799.8A patent/CN107601937A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1260331A (en) * | 1999-08-20 | 2000-07-19 | 胡一平 | Trace-silicon high-effect cement mortar water-proofing agent |
| CN1260332A (en) * | 1999-08-20 | 2000-07-19 | 胡一平 | Trace-silicon high-effect cement mortar and concrete alkali-proofing agent |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113527955A (en) * | 2020-04-22 | 2021-10-22 | 佛山托尼托肯材料科技有限公司 | Transparent alkali-resistant primer with strong bonding capacity for exterior wall and preparation method thereof |
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Application publication date: 20180119 |