CN111348876A - Environment-friendly mortar for building - Google Patents
Environment-friendly mortar for building Download PDFInfo
- Publication number
- CN111348876A CN111348876A CN202010170704.9A CN202010170704A CN111348876A CN 111348876 A CN111348876 A CN 111348876A CN 202010170704 A CN202010170704 A CN 202010170704A CN 111348876 A CN111348876 A CN 111348876A
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- Prior art keywords
- mortar
- parts
- powder
- environment
- waste glass
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 109
- 239000000843 powder Substances 0.000 claims abstract description 87
- 239000011521 glass Substances 0.000 claims abstract description 72
- 239000002699 waste material Substances 0.000 claims abstract description 57
- -1 molybdenum selenide Chemical compound 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000011398 Portland cement Substances 0.000 claims abstract description 16
- 239000004568 cement Substances 0.000 claims description 13
- 239000003973 paint Substances 0.000 claims description 13
- 229920002748 Basalt fiber Polymers 0.000 claims description 12
- WUKWITHWXAAZEY-UHFFFAOYSA-L Calcium fluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 12
- GFQYVLUOOAAOGM-UHFFFAOYSA-N Zirconium(IV) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 12
- 239000010436 fluorite Substances 0.000 claims description 12
- 239000010440 gypsum Substances 0.000 claims description 12
- 229910052602 gypsum Inorganic materials 0.000 claims description 12
- 239000000454 talc Substances 0.000 claims description 12
- 229910052623 talc Inorganic materials 0.000 claims description 12
- 235000012222 talc Nutrition 0.000 claims description 12
- 229910052845 zircon Inorganic materials 0.000 claims description 12
- 229910052846 zircon Inorganic materials 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 11
- ZFVJLNKVUKIPPI-UHFFFAOYSA-N triphenyl(selanylidene)-$l^{5}-phosphane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)(=[Se])C1=CC=CC=C1 ZFVJLNKVUKIPPI-UHFFFAOYSA-N 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 description 15
- 238000010276 construction Methods 0.000 description 13
- 239000012535 impurity Substances 0.000 description 10
- 239000003638 reducing agent Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 238000005336 cracking Methods 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N Triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000003014 reinforcing Effects 0.000 description 2
- 238000007655 standard test method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004166 bioassay Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007676 flexural strength test Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- SCTHSTKLCPJKPF-UHFFFAOYSA-N selenium;triphenylphosphane Chemical compound [Se].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 SCTHSTKLCPJKPF-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/04—Portland 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
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
Abstract
The invention relates to the field of mortar, in particular to environment-friendly mortar for buildings, which comprises the following components in parts by mass: 100 parts of Portland cement; 50-100 parts of fine aggregate; 150 portions of waste glass powder and 200 portions of waste glass powder; 10-15 parts of molybdenum selenide; 90-110 parts of water. The invention has the effects of convenient pretreatment of the waste glass, higher efficiency and effective reduction of the recycling cost of the waste glass.
Description
Technical Field
The invention relates to the technical field of mortar, in particular to environment-friendly mortar for buildings.
Background
At present, along with the development of science and technology, the production technology of glass materials is more and more mature, so that more and more glass products are produced in daily life, after the glass products are damaged or the use life of the glass products is finished, the glass products are discarded, but the glass materials are difficult to degrade in soil, so that the environmental pollution is caused, and the cyclic utilization of waste glass is very necessary.
When the existing waste glass is recycled, the waste glass is firstly classified according to the color of the glass, then impurities are removed, and then the waste glass is heated, melted and doped back into glass products with corresponding colors, so that the recycling of the waste glass is realized.
The above prior art solutions have the following drawbacks: waste glass is usually crushed, the color of the crushed glass is required to be accurately screened, and impurities are selected from the crushed waste glass, so that the difficulty is high, the cost of the waste glass in the recycling process is high, and the improvement space is provided.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the environment-friendly mortar for the building, which has the effect that the waste glass is recycled and the cost is lower.
The above object of the present invention is achieved by the following technical solutions:
the environment-friendly mortar for the building comprises the following components in parts by mass:
100 parts of Portland cement;
50-100 parts of fine aggregate;
150 portions of waste glass powder and 200 portions of waste glass powder;
10-15 parts of molybdenum selenide;
90-110 parts of water.
By adopting the technical scheme, the waste glass powder is doped into the mortar, and is non-transparent based on the mortar, the color of the glass powder has no obvious influence on the mortar, so that the glass does not need to be subjected to color screening, and meanwhile, after impurities in the glass are doped into the mortar, the appearance of the mortar is not obviously influenced, so that the impurities do not need to be picked out when the waste glass powder is doped, and when the waste glass is doped, the waste glass is only ground into powder, so that the waste glass is very convenient to pretreat, has high efficiency, and effectively reduces the recycling cost of the waste glass;
the back-doping amount of the waste glass powder in the environment-friendly mortar is large, so that a large amount of waste glass materials are effectively digested, the pollution of waste glass to the environment is reduced, and the environment is protected;
the waste glass is ground into powder, so that the specific surface area of the doped waste glass powder is large, the bonding area of the doped waste glass powder and portland cement is large, the reinforcing effect of the waste glass powder is effectively improved, the compressive strength of the mortar is high, and impurities are ground when the waste glass is ground, so that the impurity powder is uniformly dispersed in the mortar, and the influence on the performance of the mortar is small;
by adding molybdenum selenide into the mortar, the mortar has better fluidity and is easy to paint uniformly, and the compressive strength of the solidified mortar is effectively improved, so that the mortar has better performance and better meets various construction requirements.
The present invention in a preferred example may be further configured to: the paint also comprises the following components in parts by mass:
3-5 parts of triphenylphosphine selenide.
By adopting the technical scheme, the selenium triphenylphosphine and the molybdenum selenide are added into the mortar to be matched with each other, so that the compressive strength of the mortar is effectively further improved, the mortar is more suitable for various construction requirements, and the applicability is wider.
The present invention in a preferred example may be further configured to: the paint also comprises the following components in parts by mass:
1-3 parts of gypsum powder.
By adopting the technical scheme, a certain amount of gypsum powder is added into the mortar, and the curing speed of the mortar is adjusted, so that the mortar is relatively stable during curing, and the condition that the mortar is too fast or too slow in curing is avoided.
The present invention in a preferred example may be further configured to: the paint also comprises the following components in parts by mass:
10-12 parts of zircon powder;
6-8 parts of fluorite powder.
By adopting the technical scheme, zircon powder and fluorite powder are added into the mortar to be matched with each other, so that the compressive strength of the mortar is further improved, the quality of the mortar is effectively improved, and the mortar is suitable for various construction requirements.
The present invention in a preferred example may be further configured to: the paint also comprises the following components in parts by mass:
10-12 parts of talcum powder.
By adopting the technical scheme, the talcum powder is added into the mortar, so that the flowability of the mortar is further improved, the mortar is easier to paint uniformly, the construction is more convenient, and the construction efficiency and quality are improved.
The present invention in a preferred example may be further configured to: the paint also comprises the following components in parts by mass:
3-5 parts of basalt fiber.
By adopting the technical scheme, the basalt fibers are added into the mortar, so that the cracking resistance of the mortar is better, the performance of the mortar is further improved, the quality of the mortar is better, and the mortar is more suitable for various construction requirements.
The present invention in a preferred example may be further configured to: the preparation method of the environment-friendly mortar for the building comprises the following steps:
step 1), mixing portland cement and water, and uniformly stirring to form cement paste;
step 2), adding molybdenum selenide into cement paste, and uniformly stirring to form a premix;
and 3) adding fine aggregate and waste glass powder into the premix to form the environment-friendly mortar for buildings.
By adopting the technical scheme, the molybdenum selenide is uniformly dispersed in the cement slurry, and then the fine aggregate and the waste glass powder are added, so that the influence of a large amount of waste glass powder on the dispersion of the molybdenum selenide is avoided, the effect of the molybdenum selenide modified mortar is better, the quality of the mortar is uniform, the condition of large quality difference is not easy to occur, and the quality of the mortar is better guaranteed.
The present invention in a preferred example may be further configured to: triphenylphosphine selenide, gypsum powder, zircon powder, fluorite powder, talcum powder and basalt fiber are also added in the step 2).
By adopting the technical scheme, the prepared mortar has good compression resistance, strong cracking resistance, good fluidity and good quality.
In summary, the invention includes at least one of the following beneficial technical effects:
1. by doping the waste glass powder into the mortar, the mortar is a non-transparent substance based on the mortar, and the color of the glass powder has no obvious influence on the mortar, so that the glass does not need to be subjected to color screening, and meanwhile, after impurities in the glass are doped into the mortar, the appearance of the mortar also has no obvious influence, so that the impurities do not need to be picked out when the waste glass powder is doped, and when the waste glass is doped, the waste glass only needs to be ground into powder, so that the waste glass is very convenient to pretreat and has high efficiency, and the recycling cost of the waste glass is effectively reduced;
2. the waste glass is ground into powder, so that the specific surface area of the doped waste glass powder is large, the bonding area of the doped waste glass powder and portland cement is large, the reinforcing effect of the waste glass powder is effectively improved, the compressive strength of the mortar is high, and impurities are ground when the waste glass is ground, so that the impurity powder is uniformly dispersed in the mortar, and the influence on the performance of the mortar is small;
3. by adding the triphenylphosphine selenide and the molybdenum selenide into the mortar to be matched with each other, the compressive strength of the mortar is effectively further improved, so that the mortar is more suitable for various construction requirements, and the applicability is wider.
Drawings
FIG. 1 is a schematic flow chart of a preparation method of the environment-friendly mortar for construction in the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the following examples and comparative examples, the information on the source of each raw material is shown in Table 1.
TABLE 1
Examples 1 to 4
The invention discloses environment-friendly mortar for buildings, which comprises the following raw materials:
portland cement, fine aggregates, waste glass powder, molybdenum selenide, water and a water reducing agent.
The amounts (in Kg) of the respective raw materials charged in examples 1 to 4 are specified in Table 2.
TABLE 2
| Example 1 | Example 2 | Example 3 | Example 4 | |
| Portland cement | 100 | 100 | 100 | 100 |
| Fine aggregate | 50 | 75 | 100 | 60 |
| Waste glass powder | 150 | 175 | 200 | 180 |
| Molybdenum selenide | 10 | 12.5 | 15 | 11 |
| Water (W) | 90 | 100 | 110 | 100 |
| Water reducing agent | 11 | 10 | 9 | 10 |
Referring to fig. 1, the preparation method of the environment-friendly mortar for construction of examples 1 to 4 is as follows:
step 1) adding portland cement, water and a water reducing agent into a stirring kettle, stirring at a rotating speed of 80r/min for 5min to form cement paste;
step 2) adding molybdenum selenide into cement paste, stirring for 5min at the rotating speed of 95r/min to form a premix;
and 3) adding the fine aggregate and the waste glass powder into the premix, stirring for 10min at the rotating speed of 45r/min to obtain the environment-friendly mortar for the building, and continuously stirring at the rotating speed of 20r/min until the use is finished.
Examples 5 to 8
Compared with example 4, the difference is only that:
the environment-friendly mortar for the building also comprises the following raw materials:
and (3) selenizing triphenylphosphine.
The amounts (in Kg) of the respective raw materials charged in examples 5 to 8 are specified in Table 3.
TABLE 3
| Example 5 | Example 6 | Example 7 | Example 8 | |
| Portland cement | 100 | 100 | 100 | 100 |
| Fine aggregate | 60 | 60 | 60 | 60 |
| Waste glass powder | 180 | 180 | 180 | 180 |
| Molybdenum selenide | 11 | 11 | 11 | 11 |
| Water (W) | 100 | 100 | 100 | 100 |
| Water reducing agent | 10 | 10 | 10 | 10 |
| Triphenylphosphine selenide | 3 | 4 | 5 | 3.3 |
The triphenylphosphine selenide and the molybdenum selenide are added into the cement slurry in the step 2) and are stirred uniformly.
Examples 9 to 12
Compared with example 4, the difference is only that:
the environment-friendly mortar for the building also comprises the following raw materials:
and (3) gypsum powder.
The amounts (in Kg) of the respective raw materials charged in examples 9 to 12 are specified in Table 4.
TABLE 4
| Example 9 | Example 10 | Example 11 | Example 12 | |
| Portland cement | 100 | 100 | 100 | 100 |
| Fine aggregate | 60 | 60 | 60 | 60 |
| Waste glass powder | 180 | 180 | 180 | 180 |
| Molybdenum selenide | 11 | 11 | 11 | 11 |
| Water (W) | 100 | 100 | 100 | 100 |
| Water reducing agent | 10 | 10 | 10 | 10 |
| Gypsum powder | 1 | 2 | 3 | 2.2 |
Adding the gypsum powder and the molybdenum selenide into the cement slurry in the step 2) and uniformly stirring.
Examples 13 to 16
Compared with example 4, the difference is only that:
the environment-friendly mortar for the building also comprises the following raw materials:
zircon powder and fluorite powder.
The amounts (in Kg) of the respective raw materials charged in examples 13 to 16 are specified in Table 5.
TABLE 5
| Example 13 | Example 14 | Example 15 | Example 16 | |
| Portland cement | 100 | 100 | 100 | 100 |
| Fine aggregate | 60 | 60 | 60 | 60 |
| Waste glass powder | 180 | 180 | 180 | 180 |
| Molybdenum selenide | 11 | 11 | 11 | 11 |
| Water (W) | 100 | 100 | 100 | 100 |
| Water reducing agent | 10 | 10 | 10 | 10 |
| Zircon powder | 10 | 11 | 12 | 10.8 |
| Fluorite powder | 6 | 7 | 8 | 7.2 |
Adding zircon powder and fluorite powder in the step 2) and molybdenum selenide into cement slurry and uniformly stirring.
Examples 17 to 20
Compared with example 4, the difference is only that:
the environment-friendly mortar for the building also comprises the following raw materials:
talc powder.
The amounts (in Kg) of the respective raw materials charged in examples 17 to 20 are specified in Table 6.
TABLE 6
| Example 17 | Example 18 | Example 19 | Example 20 | |
| Portland cement | 100 | 100 | 100 | 100 |
| Fine aggregate | 60 | 60 | 60 | 60 |
| Waste glass powder | 180 | 180 | 180 | 180 |
| Molybdenum selenide | 11 | 11 | 11 | 11 |
| Water (W) | 100 | 100 | 100 | 100 |
| Water reducing agent | 10 | 10 | 10 | 10 |
| Talcum powder | 10 | 11 | 12 | 11.1 |
The talcum powder and the molybdenum selenide are added into the cement paste in the step 2) and are uniformly stirred.
Examples 21 to 24
Compared with example 4, the difference is only that:
the environment-friendly mortar for the building also comprises the following raw materials:
basalt fiber.
The amounts (in Kg) of the raw materials charged in examples 17 to 20 are specified in Table 7:
TABLE 7
| Example 21 | Example 22 | Example 23 | Example 24 | |
| Portland cement | 100 | 100 | 100 | 100 |
| Fine aggregate | 60 | 60 | 60 | 60 |
| Waste glass powder | 180 | 180 | 180 | 180 |
| Molybdenum selenide | 11 | 11 | 11 | 11 |
| Water (W) | 100 | 100 | 100 | 100 |
| Water reducing agent | 10 | 10 | 10 | 10 |
| Basalt fiber | 3 | 4 | 5 | 3.3 |
The basalt fiber and the molybdenum selenide are added into the cement slurry in the step 2) and are uniformly stirred.
Examples 25 to 28
Compared with example 4, the difference is only that:
the environment-friendly mortar for the building also comprises the following raw materials:
triphenylphosphine selenide, gypsum powder, zircon powder, fluorite powder, talcum powder and basalt fiber.
The amounts (in Kg) of the raw materials charged in examples 17 to 20 are specified in Table 8:
TABLE 8
| Example 25 | Example 26 | Example 27 | Example 28 | |
| Portland cement | 100 | 100 | 100 | 100 |
| Fine aggregate | 60 | 60 | 60 | 60 |
| Waste glass powder | 180 | 180 | 180 | 180 |
| Molybdenum selenide | 11 | 11 | 11 | 11 |
| Water (W) | 100 | 100 | 100 | 100 |
| Water reducing agent | 10 | 10 | 10 | 10 |
| Triphenylphosphine selenide | 3 | 4 | 5 | 3.3 |
| Gypsum powder | 1 | 2 | 3 | 2.2 |
| Zircon powder | 10 | 11 | 12 | 10.8 |
| Fluorite powder | 6 | 7 | 8 | 7.2 |
| Talcum powder | 10 | 11 | 12 | 11.1 |
| Basalt fiber | 3 | 4 | 5 | 3.3 |
Triphenylphosphine selenide, gypsum powder, zircon powder, fluorite powder, talcum powder and basalt fiber are added into the cement slurry together with the molybdenum selenide in the step 2) and are uniformly stirred.
Comparative example 1
Compared with example 4, the difference is only that:
in the step 2), the fine aggregate is used for equivalently replacing molybdenum selenide.
Comparative example 2
Compared with example 4, the difference is only that:
and replacing the waste glass powder with the fine aggregate in an equivalent manner in the step 3).
Experiment 1
The cracking indexes of the samples prepared from the environment-friendly mortar for buildings prepared in the examples and the comparative examples are detected according to GB/T29417-2012 test method for the drying shrinkage cracking performance of cement mortar and concrete.
Experiment 2
The 7d flexural strength (MPa) of the samples prepared from the environment-friendly mortar for buildings prepared in the examples and the comparative examples is detected according to the flexural strength test in GB/T50081-2002 Standard test methods for mechanical Properties of common concrete.
Experiment 3
The 7d compressive strength (MPa) and 28d compressive strength (MPa) of the samples prepared from the environment-friendly mortar for buildings prepared in the examples and the comparative examples are detected according to the compressive strength test in GB/T50081-2002 Standard test methods for mechanical Properties of common concrete.
The specific assay data for experiments 1-3 are detailed in table 9:
TABLE 9
According to the comparison of the data of comparative example 1 and example 4 in table 9, molybdenum selenide is added into the mortar, so that the compressive strength of the mortar after curing is effectively increased, the structural stability of the mortar after curing is better, the mortar is better suitable for various construction requirements, and the applicability is wider.
According to the comparison of the data of comparative example 2 and example 4 in table 9, the waste glass powder is used to replace the fine aggregate in the mortar, so that the compressive strength and the flexural strength of the mortar after curing are improved to a certain extent, and the quality of the mortar is better.
According to the data comparison between the embodiments 5-8 and the embodiment 4 in the table 9, the combination of triphenylphosphine selenide and molybdenum selenide is added into the mortar, so that the compressive strength of the mortar after curing is effectively further improved, the structural stability of the mortar after curing is better, the mortar is better suitable for more construction requirements, and the applicability is wider.
According to the comparison of the data of examples 9-12 and example 4 in Table 9, the addition of gypsum powder to the mortar makes the mortar cure at a smooth speed without significant effect on the physical properties of the mortar.
According to the comparison of the data of the embodiments 13-16 and the embodiment 4 in the table 9, zircon powder and fluorite are added into the mortar to be matched with each other, so that the compressive strength of the solidified mortar is increased, the structure stability of the solidified mortar is better, the solidified mortar is suitable for various construction requirements, and the applicability is wider.
According to the comparison of the data of the examples 17-20 and the example 4 in the table 9, the talcum powder is added into the mortar, so that the fluidity of the mortar is effectively improved, and the physical properties of the mortar after being cured are not obviously influenced.
According to the comparison of the data of the embodiments 21-24 and the embodiment 4 in the table 9, the basalt fiber is added into the mortar, so that the cracking resistance performance of the solidified mortar and the bending resistance performance of the solidified mortar are effectively improved, the structure of the solidified mortar is stable, the solidified mortar is suitable for various construction requirements, and the applicability is wide.
According to the data of the examples 25-28 in Table 9, the prepared mortar has better cracking resistance, stronger compression resistance, better bending resistance, better fluidity and better quality of the mortar after being cured.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The environment-friendly mortar for the building is characterized in that: the paint comprises the following components in parts by mass:
100 parts of Portland cement;
50-100 parts of fine aggregate;
150 portions of waste glass powder and 200 portions of waste glass powder;
10-15 parts of molybdenum selenide;
90-110 parts of water.
2. The environment-friendly mortar for buildings according to claim 1, characterized in that: the paint also comprises the following components in parts by mass:
3-5 parts of triphenylphosphine selenide.
3. The environment-friendly mortar for buildings according to claim 1, characterized in that: the paint also comprises the following components in parts by mass:
1-3 parts of gypsum powder.
4. The environment-friendly mortar for buildings according to claim 1, characterized in that: the paint also comprises the following components in parts by mass:
10-12 parts of zircon powder;
6-8 parts of fluorite powder.
5. The environment-friendly mortar for buildings according to claim 1, characterized in that: the paint also comprises the following components in parts by mass:
10-12 parts of talcum powder.
6. The environment-friendly mortar for buildings according to any one of claims 1 to 5, wherein: the paint also comprises the following components in parts by mass:
3-5 parts of basalt fiber.
7. The environment-friendly mortar for buildings according to claim 1, characterized in that: the preparation method of the environment-friendly mortar for the building comprises the following steps:
step 1), mixing portland cement and water, and uniformly stirring to form cement paste;
step 2), adding molybdenum selenide into cement paste, and uniformly stirring to form a premix;
and 3) adding fine aggregate and waste glass powder into the premix to form the environment-friendly mortar for buildings.
8. The environment-friendly mortar for buildings according to claim 7, characterized in that: triphenylphosphine selenide, gypsum powder, zircon powder, fluorite powder, talcum powder and basalt fiber are also added in the step 2).
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|---|---|---|---|
| CN202010170704.9A CN111348876A (en) | 2020-03-12 | 2020-03-12 | Environment-friendly mortar for building |
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|---|---|---|---|
| CN202010170704.9A CN111348876A (en) | 2020-03-12 | 2020-03-12 | Environment-friendly mortar for building |
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Application publication date: 20200630 |