CN109400025B - Building exterior wall waterproof mortar and preparation method thereof - Google Patents
Building exterior wall waterproof mortar and preparation method thereof Download PDFInfo
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- CN109400025B CN109400025B CN201811353741.2A CN201811353741A CN109400025B CN 109400025 B CN109400025 B CN 109400025B CN 201811353741 A CN201811353741 A CN 201811353741A CN 109400025 B CN109400025 B CN 109400025B
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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
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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
- 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
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
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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
- 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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- 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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- 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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a building exterior wall waterproof mortar and a process thereof, wherein the building exterior wall waterproof mortar comprises the following components in percentage by mass: 30-60 parts of asphalt, 10-20 parts of grinding wheel ash, 30-60 parts of cement, 5-10 parts of rust and 20-30 parts of an additive; the additive comprises the following components in parts by mass: 8-10 parts of dispersed latex powder, 6-10 parts of polyphenyl ether, 8-12 parts of polyvinylidene fluoride, 6-10 parts of silicate and 8-12 parts of organic silicon waterproof agent. The method comprises 7 preparation process steps. The waterproof mortar has short setting time, the initial setting time is 40-60 min, and the final setting time is 1-2 h; the anti-seepage capability is strong, and the anti-seepage pressure can reach 0.8-1.0 MPa; the adhesive property is good, and the adhesive strength can reach 2.5-2.7 MPa; the heat preservation effect is excellent, and the heat conductivity coefficient is only 0.080-0.083 (W/(m.K)); the compressive strength is 25.9-30.3 MPa; the breaking strength is 11.3 to 12.0 MPa.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to an exterior wall waterproof mortar for buildings.
Background
The waterproof mortar is a material widely applied in the field of building and decoration engineering, and is a granular or powdery material formed by physically mixing dry and screened aggregate (such as quartz sand), inorganic cementing material (such as cement), additive (such as polymer) and the like according to a certain proportion, and the granular or powdery material is transported to a construction site in a bag or in bulk form, and can be directly used after being mixed with water, and has the functions of adhesion, lining, protection, water prevention, decoration and the like of a thin layer. The exterior wall finishing coat used in the market at present is mostly emulsion paint, real stone paint, marble, ceramic tile and the like, and has the advantages of complex construction, complex process, higher application cost, poor waterproof performance, high unit square material consumption, easy peeling, falling and cracking, and great influence on the use.
The address of the applicant of the patent is located in the rural Yiyang of the fish and rice in the Dongting lake region, and the industrial park of Ma slope in the Gaoyang city of Taojiang county, ash mountain harbor town of Hunan province, which is one of the most flourishing industrial centralized regions in the Yiyang region. The area has a large number of production and processing enterprises, and the grinding wheel ash produced in the production and processing process has the following hazards: pollutes local environment, has overhigh sale and transportation cost and overlarge density and proportion as auxiliary materials of mortar. The disposal of grinding wheel dust has been a nuisance to local enterprises and residents.
In order to utilize local material resources, the technical concept of developing novel waterproof mortar is provided by combining the current situation of the applicant. In the material selection, as the asphalt has stronger adhesive property at a certain temperature, the density of the asphalt is lower than that of the grinding wheel ash, and the density similar to that of the sandstone is achieved through the reasonable proportion of the asphalt and the grinding wheel ash. The applicant verifies through a large amount of experiments that asphalt and grinding wheel ash are reasonably proportioned to serve as a core base material of the waterproof mortar.
In humid air, ordinary steel products gradually change color and generate a reddish brown substance on the surface, and the phenomenon is called rusting of steel. The essence is that iron reacts with oxygen, water vapor and the like in the air to form hydrates of various oxides of iron. The rust component is relatively complex and is generally expressed simply as Fe2O 3. xH 2O. The rust is a hot topic studied by scholars in various fields in industrial application, and the applicant of the patent uses the rust as an anti-aging agent of waterproof mortar.
Through patent retrieval, the patent technical schemes of the waterproof mortar are more, for example, the attached figure 1 shows the technical trend of a keyword 'waterproof mortar', the abscissa represents the year, the ordinate represents the number of patent applications, the application of the waterproof mortar generally shows a rising trend along with the increase of the year (1987 to 2018), and the 2017 + 2018 possibly has a part of conflicting application patents.
Chinese patent CN105503250A discloses a quick-setting energy-saving light waterproof mortar for an external wall, which comprises a liquid material and a powder material. The weight ratio of the liquid material to the powder material is liquid material: powder material 1: 2.77-1: 3.33. the liquid material comprises the following raw material components: butylbenzene emulsion, cellulose ether, water, defoaming agent and preservative. The powder comprises the following raw material components: portland cement, hollow glass beads, fly ash, quartz sand, a cement expanding agent, a water reducing agent, a dispersing agent, a coagulant and a thixotropic agent. The invention adopts the butylbenzene emulsion, has poor ultraviolet resistance and is not suitable for exposure; the weight ratio of the liquid material to the powder material is liquid material: powder material 1: 2.77-1: 3.33, the invention is a mortar product with high liquid-powder ratio, the product has extremely low elongation, no elasticity and extremely poor crack resistance of a resistance base layer, and is not suitable for being directly used as an exposed waterproof material. The mortar is high liquid-powder ratio mortar, and has certain waterproof performance only by having enough thickness (2-4mm) during construction.
Disclosure of Invention
In order to solve the technical problems, the invention aims to change the grinding wheel ash and the iron rust into valuable, and obtains the building exterior wall waterproof mortar through the improvement of a formula and a process.
In order to achieve the purpose, the invention adopts the following technical scheme: the building exterior wall waterproof mortar is prepared from the following raw materials: asphalt, grinding wheel dust, rust, cement and additives; the mass ratio of the components is as follows: 30-60 parts of asphalt, 10-20 parts of grinding wheel ash, 30-60 parts of cement, 5-10 parts of rust and 20-30 parts of an additive;
the additive comprises the following components in parts by mass: 8-10 parts of dispersed latex powder, 6-10 parts of polyphenyl ether, 8-12 parts of polyvinylidene fluoride, 6-10 parts of silicate and 8-12 parts of organic silicon waterproof agent.
In a preferred implementation, the waterproof mortar is prepared from the following raw materials: asphalt, grinding wheel dust, rust, cement and additives; the mass ratio of the components is as follows: 40-50 parts of asphalt, 13-16 parts of grinding wheel ash, 40-50 parts of cement, 7-8 parts of rust and 24-26 parts of an additive;
the additive comprises the following components in parts by mass: 8-10 parts of dispersed latex powder, 6-10 parts of polyphenyl ether, 8-12 parts of polyvinylidene fluoride, 6-10 parts of silicate and 8-12 parts of organic silicon waterproof agent.
In the best implementation condition, the waterproof mortar is prepared from the following raw materials: asphalt, grinding wheel dust, rust, cement and additives; the mass ratio of the components is as follows: 45 parts of asphalt, 15 parts of grinding wheel ash, 45 parts of cement, 7.5 parts of rust and 25 parts of an additive;
the additive comprises the following components in parts by mass: 9 parts of dispersed latex powder, 8 parts of polyphenyl ether, 10 parts of polyvinylidene fluoride, 8 parts of silicate and 10 parts of organic silicon waterproof agent.
The preparation process of the building exterior wall waterproof mortar is characterized by comprising the following process steps:
step 1: selecting asphalt with the softening point of 80-100 ℃;
step 2: heating the asphalt to a softening point, and extruding the asphalt into an asphalt plane with the thickness not more than 5mm by an extruder;
and step 3: uniformly laying the grinding wheel ash on the asphalt according to the mass ratio;
and 4, step 4: repeatedly pressing the grinding wheel ash and the asphalt plane to obtain a uniformly mixed asphalt and grinding wheel ash mixture;
and 5: cooling the mixture of the asphalt and the grinding wheel ash, cutting the mixture into pieces, and then crushing the mixture into pieces, wherein the particle size diameter of the crushed mixture is not more than 0.5 mm;
step 6: grinding the rust into powder, wherein the particle size diameter of the crushed rust is not more than 0.1 mm;
and 7: mixing the mixture with rust, cement and an additive to obtain the building exterior wall waterproof mortar;
the mass ratio of the components is as follows: asphalt, grinding wheel dust, rust, cement and additives; the mass ratio of the components is as follows: 30-60 parts of asphalt, 10-20 parts of grinding wheel ash, 30-60 parts of cement, 5-10 parts of rust and 20-30 parts of an additive;
the additive comprises the following components in parts by mass: 8-10 parts of dispersed latex powder, 6-10 parts of polyphenyl ether, 8-12 parts of polyvinylidene fluoride, 6-10 parts of silicate and 8-12 parts of organic silicon waterproof agent.
The invention has the beneficial effects that:
1. the invention effectively solves the problem of environmental pollution caused by grinding wheel ash and changes the grinding wheel ash into valuable.
2. The hardness of the waterproof mortar can be effectively solved through the grinding wheel ash, the application range of the waterproof mortar is effectively enlarged, and the abrasion resistance life of the outer wall is prolonged.
3. The invention has simple production and high economic return rate.
4. The rust is used as an anti-aging agent, so that the economic added value of the rust is effectively improved; the principle of the rust anti-aging agent is that the chemical property of rust is better than the stability of iron, and when partial air and water molecules permeate into the waterproof layer, the rust anti-aging agent can effectively adsorb the rust, so that the stability of the product is improved.
5. In conclusion, the waterproof mortar system has high film forming property, good waterproof performance, low cost, simple preparation method and wide application range.
6. The waterproof mortar has short setting time, the initial setting time is 40-60 min, and the final setting time is 1-2 h; the anti-seepage capability is strong, and the anti-seepage pressure can reach 0.8-1.0 MPa; the adhesive property is good, and the adhesive strength can reach 2.5-2.7 MPa; the heat preservation effect is excellent, and the heat conductivity coefficient is only 0.080-0.083 (W/(m.K)); the compressive strength is 25.9-30.3 MPa; the breaking strength is 11.3 to 12.0 MPa.
Drawings
Fig. 1 shows the technical trend of the waterproof mortar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the embodiments described are only some representative embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1:
a preparation process of waterproof mortar for building exterior walls is characterized by comprising the following process steps:
step 1: selecting asphalt with the softening point of 80-100 ℃;
step 2: heating the asphalt to a softening point, and extruding the asphalt into an asphalt plane with the thickness not more than 5mm by an extruder;
and step 3: uniformly laying the grinding wheel ash on the asphalt according to the mass ratio;
and 4, step 4: repeatedly pressing the grinding wheel ash and the asphalt plane to obtain a uniformly mixed asphalt and grinding wheel ash mixture;
and 5: cooling the mixture of the asphalt and the grinding wheel ash, cutting the mixture into pieces, and then crushing the mixture into pieces, wherein the particle size diameter of the crushed mixture is not more than 0.5 mm;
step 6: grinding the rust into powder, wherein the particle size diameter of the crushed rust is not more than 0.1 mm;
and 7: mixing the mixture with rust, cement and an additive to obtain the building exterior wall waterproof mortar;
the process is prepared from the following raw materials: asphalt, grinding wheel dust, rust, cement and additives; the mass ratio of the components is as follows: 30 parts of asphalt, 10 parts of grinding wheel ash, 30 parts of cement, 5 parts of rust and 20 parts of additive;
the additive comprises the following components in parts by mass: 8 parts of dispersed latex powder, 6 parts of polyphenyl ether, 8 parts of polyvinylidene fluoride, 6 parts of silicate and 8 parts of organic silicon waterproof agent.
Example 2:
a preparation process of waterproof mortar for building exterior walls is characterized by comprising the following process steps:
step 1: selecting asphalt with the softening point of 80-100 ℃;
step 2: heating the asphalt to a softening point, and extruding the asphalt into an asphalt plane with the thickness not more than 5mm by an extruder;
and step 3: uniformly laying the grinding wheel ash on the asphalt according to the mass ratio;
and 4, step 4: repeatedly pressing the grinding wheel ash and the asphalt plane to obtain a uniformly mixed asphalt and grinding wheel ash mixture;
and 5: cooling the mixture of the asphalt and the grinding wheel ash, cutting the mixture into pieces, and then crushing the mixture into pieces, wherein the particle size diameter of the crushed mixture is not more than 0.5 mm;
step 6: grinding the rust into powder, wherein the particle size diameter of the crushed rust is not more than 0.1 mm;
and 7: mixing the mixture with rust, cement and an additive to obtain the building exterior wall waterproof mortar;
the process is prepared from the following raw materials: asphalt, grinding wheel dust, rust, cement and additives; the mass ratio of the components is as follows: 40 parts of asphalt, 13 parts of grinding wheel ash, 40 parts of cement, 7 parts of rust and 24 parts of additive;
the additive comprises the following components in parts by mass: 8 parts of dispersed latex powder, 6 parts of polyphenyl ether, 8 parts of polyvinylidene fluoride, 6 parts of silicate and 8 parts of organic silicon waterproof agent.
Example 3:
a preparation process of waterproof mortar for building exterior walls is characterized by comprising the following process steps:
step 1: selecting asphalt with the softening point of 80-100 ℃;
step 2: heating the asphalt to a softening point, and extruding the asphalt into an asphalt plane with the thickness not more than 5mm by an extruder;
and step 3: uniformly laying the grinding wheel ash on the asphalt according to the mass ratio;
and 4, step 4: repeatedly pressing the grinding wheel ash and the asphalt plane to obtain a uniformly mixed asphalt and grinding wheel ash mixture;
and 5: cooling the mixture of the asphalt and the grinding wheel ash, cutting the mixture into pieces, and then crushing the mixture into pieces, wherein the particle size diameter of the crushed mixture is not more than 0.5 mm;
step 6: grinding the rust into powder, wherein the particle size diameter of the crushed rust is not more than 0.1 mm;
and 7: mixing the mixture with rust, cement and an additive to obtain the building exterior wall waterproof mortar;
the process is prepared from the following raw materials: asphalt, grinding wheel dust, rust, cement and additives; the mass ratio of the components is as follows: 50 parts of asphalt, 16 parts of grinding wheel ash, 50 parts of cement, 8 parts of rust and 26 parts of additive;
the additive comprises the following components in parts by mass: 10 parts of dispersed latex powder, 10 parts of polyphenyl ether, 12 parts of polyvinylidene fluoride, 10 parts of silicate and 12 parts of organic silicon waterproof agent.
Example 4:
a preparation process of waterproof mortar for building exterior walls is characterized by comprising the following process steps:
step 1: selecting asphalt with the softening point of 80-100 ℃;
step 2: heating the asphalt to a softening point, and extruding the asphalt into an asphalt plane with the thickness not more than 5mm by an extruder;
and step 3: uniformly laying the grinding wheel ash on the asphalt according to the mass ratio;
and 4, step 4: repeatedly pressing the grinding wheel ash and the asphalt plane to obtain a uniformly mixed asphalt and grinding wheel ash mixture;
and 5: cooling the mixture of the asphalt and the grinding wheel ash, cutting the mixture into pieces, and then crushing the mixture into pieces, wherein the particle size diameter of the crushed mixture is not more than 0.5 mm;
step 6: grinding the rust into powder, wherein the particle size diameter of the crushed rust is not more than 0.1 mm;
and 7: mixing the mixture with rust, cement and an additive to obtain the building exterior wall waterproof mortar;
the process is prepared from the following raw materials: asphalt, grinding wheel dust, rust, cement and additives; the mass ratio of the components is as follows: 45 parts of asphalt, 15 parts of grinding wheel ash, 45 parts of cement, 7.5 parts of rust and 25 parts of an additive;
the additive comprises the following components in parts by mass: 9 parts of dispersed latex powder, 8 parts of polyphenyl ether, 10 parts of polyvinylidene fluoride, 8 parts of silicate and 10 parts of organic silicon waterproof agent.
Example 5:
a preparation process of waterproof mortar for building exterior walls is characterized by comprising the following process steps:
step 1: selecting asphalt with the softening point of 80-100 ℃;
step 2: heating the asphalt to a softening point, and extruding the asphalt into an asphalt plane with the thickness not more than 5mm by an extruder;
and step 3: uniformly laying the grinding wheel ash on the asphalt according to the mass ratio;
and 4, step 4: repeatedly pressing the grinding wheel ash and the asphalt plane to obtain a uniformly mixed asphalt and grinding wheel ash mixture;
and 5: cooling the mixture of the asphalt and the grinding wheel ash, cutting the mixture into pieces, and then crushing the mixture into pieces, wherein the particle size diameter of the crushed mixture is not more than 0.5 mm;
step 6: grinding the rust into powder, wherein the particle size diameter of the crushed rust is not more than 0.1 mm;
and 7: mixing the mixture with rust, cement and an additive to obtain the building exterior wall waterproof mortar;
the process is prepared from the following raw materials: asphalt, grinding wheel dust, rust, cement and additives; the mass ratio of the components is as follows: 40 parts of asphalt, 13 parts of grinding wheel ash, 40 parts of cement, 7 parts of rust and 24 parts of additive;
the additive comprises the following components in parts by mass: 10 parts of dispersed latex powder, 10 parts of polyphenyl ether, 12 parts of polyvinylidene fluoride, 10 parts of silicate and 12 parts of organic silicon waterproof agent.
Example 6:
a preparation process of waterproof mortar for building exterior walls is characterized by comprising the following process steps:
step 1: selecting asphalt with the softening point of 80-100 ℃;
step 2: heating the asphalt to a softening point, and extruding the asphalt into an asphalt plane with the thickness not more than 5mm by an extruder;
and step 3: uniformly laying the grinding wheel ash on the asphalt according to the mass ratio;
and 4, step 4: repeatedly pressing the grinding wheel ash and the asphalt plane to obtain a uniformly mixed asphalt and grinding wheel ash mixture;
and 5: cooling the mixture of the asphalt and the grinding wheel ash, cutting the mixture into pieces, and then crushing the mixture into pieces, wherein the particle size diameter of the crushed mixture is not more than 0.5 mm;
step 6: grinding the rust into powder, wherein the particle size diameter of the crushed rust is not more than 0.1 mm;
and 7: mixing the mixture with rust, cement and an additive to obtain the building exterior wall waterproof mortar;
the process is prepared from the following raw materials: asphalt, grinding wheel dust, rust, cement and additives; the mass ratio of the components is as follows: 60 parts of asphalt, 20 parts of grinding wheel ash, 60 parts of cement, 10 parts of rust and 30 parts of additive;
the additive comprises the following components in parts by mass: 10 parts of dispersed latex powder, 10 parts of polyphenyl ether, 12 parts of polyvinylidene fluoride, 10 parts of silicate and 12 parts of organic silicon waterproof agent.
The invention has the beneficial effects that:
1. the invention effectively solves the problem of environmental pollution caused by grinding wheel ash and changes the grinding wheel ash into valuable.
2. The hardness of the waterproof mortar can be effectively solved through the grinding wheel ash, the application range of the waterproof mortar is effectively enlarged, and the abrasion resistance life of the outer wall is prolonged.
3. The invention has simple production and high economic return rate.
4. The rust is used as an anti-aging agent, so that the economic added value of the rust is effectively improved; the principle of the rust anti-aging agent is that the chemical property of rust is better than the stability of iron, and when partial air and water molecules permeate into the waterproof layer, the rust anti-aging agent can effectively adsorb the rust, so that the stability of the product is improved.
5. In conclusion, the waterproof mortar system has high film forming property, good waterproof performance, low cost, simple preparation method and wide application range.
6. The waterproof mortar has short setting time, the initial setting time is 40-60 min, and the final setting time is 1-2 h; the anti-seepage capability is strong, and the anti-seepage pressure can reach 0.8-1.0 MPa; the adhesive property is good, and the adhesive strength can reach 2.5-2.7 MPa; the method has the characteristic of light weight, and the dry density of the powder is only 251-272 (Kg/m) for carrying out heavy planting; the heat preservation effect is excellent, and the heat conductivity coefficient is only 0.080-0.083 (W/(m.K)); the compressive strength is 25.9-30.3 MPa; the breaking strength is 11.3 to 12.0 MPa.
Various modifications may be made to the above without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is therefore intended to be limited not by the above description, but rather by the scope of the appended claims.
Claims (3)
1. The building exterior wall waterproof mortar is characterized by being prepared from the following raw materials: asphalt, grinding wheel dust, rust, cement and additives; the mass ratio of the components is as follows: 30-60 parts of asphalt, 10-20 parts of grinding wheel ash, 30-60 parts of cement, 5-10 parts of rust and 20-30 parts of an additive; the additive comprises the following components in parts by mass: 8-10 parts of dispersed latex powder, 6-10 parts of polyphenyl ether, 8-12 parts of polyvinylidene fluoride, 6-10 parts of silicate and 8-12 parts of organic silicon waterproof agent; the method comprises the following process steps:
step 1: selecting asphalt with the softening point of 80-100 ℃;
step 2: heating the asphalt to a softening point, and extruding the asphalt into an asphalt plane with the thickness not more than 5mm by an extruder; and step 3: uniformly laying the grinding wheel ash on the asphalt according to the mass ratio;
and 4, step 4: repeatedly pressing the grinding wheel ash and the asphalt plane to obtain a uniformly mixed asphalt and grinding wheel ash mixture;
and 5: cooling the mixture of the asphalt and the grinding wheel ash, cutting the mixture into pieces, and then crushing the mixture into pieces, wherein the particle size diameter of the crushed mixture is not more than 0.5 mm;
step 6: grinding the rust into powder, wherein the particle size diameter of the crushed rust is not more than 0.1 mm;
and 7: and mixing the mixture with rust, cement and an additive to obtain the building exterior wall waterproof mortar.
2. The building exterior wall waterproof mortar of claim 1, wherein the waterproof mortar is prepared from the following raw materials: asphalt, grinding wheel dust, rust, cement and additives; the mass ratio of the components is as follows: 40-50 parts of asphalt, 13-16 parts of grinding wheel ash, 40-50 parts of cement, 7-8 parts of rust and 24-26 parts of an additive; the additive comprises the following components in parts by mass: 8-10 parts of dispersed latex powder, 6-10 parts of polyphenyl ether, 8-12 parts of polyvinylidene fluoride, 6-10 parts of silicate and 8-12 parts of organic silicon waterproof agent.
3. The building exterior wall waterproof mortar of claim 1, wherein the waterproof mortar is prepared from the following raw materials: asphalt, grinding wheel dust, rust, cement and additives; the mass ratio of the components is as follows: 45 parts of asphalt, 15 parts of grinding wheel ash, 45 parts of cement, 7.5 parts of rust and 25 parts of an additive; the additive comprises the following components in parts by mass: 9 parts of dispersed latex powder, 8 parts of polyphenyl ether, 10 parts of polyvinylidene fluoride, 8 parts of silicate and 10 parts of organic silicon waterproof agent.
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| CN103833282B (en) * | 2014-02-28 | 2016-04-06 | 北京东方雨虹防水技术股份有限公司 | A kind of emulsified bitumen waterproof mortar and preparation method thereof |
| CN104761205A (en) * | 2015-04-03 | 2015-07-08 | 杭州泰正建材有限公司 | Polymer waterproof mortar |
| CN108503299A (en) * | 2017-02-28 | 2018-09-07 | 北京城泰混凝土制品有限公司 | Strong intensity steel fiber reinforced concrete |
| CN107382134A (en) * | 2017-08-25 | 2017-11-24 | 河南胜泽建筑保温工程有限公司 | A kind of water proof type mortar additive |
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