CN110894148A - Adhesive waterproofing agent for building - Google Patents
Adhesive waterproofing agent for building Download PDFInfo
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- CN110894148A CN110894148A CN201811060652.9A CN201811060652A CN110894148A CN 110894148 A CN110894148 A CN 110894148A CN 201811060652 A CN201811060652 A CN 201811060652A CN 110894148 A CN110894148 A CN 110894148A
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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
- 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
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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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00637—Uses not provided for elsewhere in C04B2111/00 as glue or binder for uniting building or structural 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
- 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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- 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 discloses an adhesive waterproof agent for buildings, which comprises the following raw material components: the grinding powder comprises the following components in parts by weight: 60-233:0-359:61-170:1, wherein the superfine grinding powder comprises cement clinker, hydroxypropyl methyl cellulose, sodium tripolyphosphate, polypropylene short fiber, mixed material, gypsum, grinding aid and superfine admixture, and the contents of the components in parts by weight are as follows: cement clinker: 30-192 parts of hydroxypropyl methyl cellulose: 10-60 parts of sodium tripolyphosphate: 3-25 parts of polypropylene short fiber: 6-47 parts of mixed material: 5-48 parts of gypsum: 1-11 parts of grinding aid: 0.4-3 parts of superfine admixture: 0.2-4 parts. Wherein the mass ratio of the cement clinker, the hydroxypropyl methyl cellulose, the sodium tripolyphosphate, the polypropylene short fiber, the mixed material, the gypsum, the grinding aid and the superfine admixture is 48: 15: 5: 10: 9: 2.1: 0.6: 0.3; the invention has good adhesion and water resistance, safety, no toxicity, convenient construction and wide application range.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to an adhesive waterproofing agent for buildings.
Background
The building adhesive is an indispensable material in building engineering and has a wide application range. In the process of building decoration, the adhesive is mainly used for board adhesion, wall surface pretreatment, wallpaper adhesion, ceramic wall and floor tiles, various floors, carpet laying adhesion and the like, and a series of performances such as waterproofness, sealing property, elasticity, impact resistance and the like are improved, so that the building decoration quality can be improved, the attractive and comfortable feeling can be increased, the construction process can be improved, the building construction efficiency and quality can be improved, and the like.
The material of building a wall that uses in the market at present mixes for cement, sand, water into a certain proportion and glues thick or the material of diluting and be used for building a wall, paste wall body ceramic tile, though can reach and paste firm effect, still has following problem: firstly, the bonding strength is low, because the bonding strength of an interface layer between the existing adhesive and a wall surface or a ceramic tile is insufficient, an excessively thick material needs to be coated in order to achieve the required bonding strength, when the wall surface is leveled or the ceramic tile is pasted, the adhesive is unstable with the wall surface, the leveling effect cannot be achieved, the material waste is serious, and the cost is increased; secondly, the air drying speed is low, during the construction process, the brick body needs to be injected with water for coating and bonding, so that the curing speed is slow, the air drying time of the wall body is prolonged, when the wall body is not completely air-dried, the wall body is easy to mildew and grow insects, the construction progress is influenced, hollowing and cracking of the wall body are easy to occur after air drying, the connection between the wall body without the strength of the adhesive and the brick is not tight or even falls off, and the construction quality cannot be guaranteed; and thirdly, the waterproof performance is poor, the cement mixture in the traditional process cannot achieve the waterproof effect, the cement mixture is easy to crack when meeting water, has no elasticity, is easy to age and crack easily, polyethylene or polyethylene derivatives are required to be added to achieve the waterproof performance, and the cement mixture has the defects of high free formaldehyde content, toxicity, easy environmental pollution and danger to the body health of a user. This has become an important reason for the popularization and application of the building adhesive, and therefore, how to improve the overall performance of the building adhesive is an urgent technical problem to be solved in the industry.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide an adhesive waterproof agent for buildings, which has the advantages of reasonable distribution of raw material components, good adhesion and waterproof property, safety, no toxicity, convenient construction and wide application range.
In order to achieve the aim, the invention provides an adhesive waterproof agent for buildings, which comprises the following raw material components: the grinding powder comprises the following components in parts by weight: 60-233:0-359:61-170:1, wherein the superfine grinding powder comprises cement clinker, hydroxypropyl methyl cellulose, sodium tripolyphosphate, polypropylene short fibers, a mixed material, gypsum, a grinding aid and a superfine admixture, and the superfine grinding powder comprises the following components in parts by weight: cement clinker: 30-192 parts of hydroxypropyl methyl cellulose: 10-60 parts of sodium tripolyphosphate: 3-25 parts of polypropylene short fiber: 6-47 parts of mixed material: 5-48 parts of gypsum: 1-11 parts of grinding aid: 0.4-3 parts of superfine admixture: 0.2-4 parts.
Preferably, the cement, the sand, the water and the superfine grinding powder are mixed according to the weight part ratio of 115:335: 150: 1;
preferably, the cement, the sand, the water and the superfine grinding powder are 77:224: 167: 1;
preferably, the cement, the sand, the water and the superfine grinding powder are 200:0: 80: 1;
preferably, the mass ratio of cement clinker, hydroxypropyl methyl cellulose, sodium tripolyphosphate, polypropylene short fiber, mixed material, gypsum, grinding aid and superfine admixture in the superfine grinding powder is 48: 15: 5: 10: 9: 2.1: 0.6: 0.3;
preferably, the cement clinker in the ultrafine grinding powder comprises C3S/C2S/3CaO.Al2O3And C is2S+C3S accounts for 67 percent of the total amount of the cement clinker, CaO and SiO2The mass ratio is more than 2;
preferably, the mixed material in the ultra-fine grinding powder is one or a mixture of more than two of granulated blast furnace slag, fly ash and pozzolanic matter;
preferably, the ultrafine admixture in the ultrafine grinding powder comprises silica fume;
preferably, the particle size of the superfine grinding powder is 13-16 um;
preferably, the adhesive waterproofing agent for construction is coated in a thickness of 0.5cm to 1.5 cm.
The invention has the following beneficial effects:
the proportions of the components defined by the application are combined to promote each other on the comprehensive performance of building construction, particularly the bonding performance, and the components are uniformly dispersed, so that the uniformity of the quality of the bonding waterproof agent is ensured, the bonding strength of 1.5cm of the prepared adhesive on a square meter dry brick reaches 2.6Mpa at most, the problems of mildewing, worms, bulges and the like caused by slow drying time in the process of bonding wet bricks in the prior art are effectively avoided, the interface bonding strength and the waterproof performance of the bonding waterproof agent and other materials are better enhanced, the requirements of different building occasions such as bonding of tiles, leveling of wall surfaces and the like are met, the bonding strength and the waterproof performance are greatly improved, the time and the cost are saved for later maintenance, and the technical problem that the waterproof effect can be achieved only by additionally adding a toxic waterproof agent in the using process is also solved.
Detailed Description
The present invention will be further described with reference to specific examples to assist understanding of the invention.
The invention provides an adhesive waterproof agent for buildings, which comprises the following raw material components: the grinding powder comprises the following components in parts by weight: 60-233:0-359:61-170:1, wherein the superfine grinding powder comprises cement clinker, hydroxypropyl methyl cellulose, sodium tripolyphosphate, polypropylene short fibers, a mixed material, gypsum, a grinding aid and a superfine admixture, and the superfine grinding powder comprises the following components in parts by weight: cement clinker: 30-192 parts of hydroxypropyl methyl cellulose: 10-60 parts of sodium tripolyphosphate: 3-25 parts of polypropylene short fiber: 6-47 parts of mixed material: 5-48 parts of gypsum: 1-11 parts of grinding aid: 0.4-3 parts of superfine admixture: 0.2-4 parts. Wherein the mass ratio of cement clinker, hydroxypropyl methylcellulose, sodium tripolyphosphate, polypropylene short fiber, mixed material, gypsum, grinding aid and superfine admixture in the superfine grinding powder is 48: 15: 5: 10: 9: 2.1: 0.6: 0.3; the cement clinker comprises C3S/C2S/3CaO.Al2O3And C is2S+C3S accounts for 67 percent of the total amount of the cement clinker, CaO and SiO2The mass ratio is more than 2; the mixed material is one or a mixture of more than two of granulated blast furnace slag, fly ash or pozzolanic matter; the superfine admixture comprises silica fume; the grain diameter of the superfine grinding powder is 13-16 um; the coating thickness of the adhesive water repellent was 0.5cm-1.5cm。
Comparative example 1: a sample for a bonding strength test is prepared by coating 1.5cm of the adhesive prepared in example 1 in Chinese patent CN104844085A on a dry brick with the square meter of 1m, the sample is naturally dried for 12h, the bonding strength is tested to be 0.9Mpa, and then the sample is soaked in water for 24 h, so that the bonding layer does not fall off, bubble or crack, and the bonding strength is tested to be 0.4Mpa after the sample is soaked in water.
Comparative example 2: (1) mixing cement clinker: 240 parts, hydroxypropyl methylcellulose: 75 parts of sodium tripolyphosphate: 25 parts of granulated blast furnace slag: 20 parts of fly ash: 25 parts of gypsum: 10.5 parts of grinding aid: 3 parts and superfine admixture: 1.5 parts of the mixture is ground into particles with the diameter of 13um by an ultrafine grinding machine to obtain ultrafine grinding powder;
(2) mixing the superfine grinding powder obtained in the step (1) with cement: sand: and (3) uniformly mixing and stirring water according to the ratio of 1:115:335:150 to obtain the bonding waterproof agent.
Coating 1.5cm of a sample for preparing a bonding strength test on a 1-square-meter dry brick, naturally drying the sample for 9h to test the bonding strength to be 1.3Mpa, soaking the sample in water for 24 h to ensure that the bonding layer does not fall off, bubble or crack, and testing the bonding strength to be 0.6Mpa after soaking in water.
Comparative example 3: (1) according to the parts by weight of the components, cement clinker: 240 parts, hydroxypropyl methylcellulose: 75 parts of polypropylene short fiber: 50 parts of granulated blast furnace slag: 20 parts of fly ash: 25 parts of gypsum: 10.5 parts of grinding aid: 3 parts and superfine admixture: 1.5 parts of the mixture is ground into particles with the diameter of 13um by an ultrafine grinding machine to obtain ultrafine grinding powder;
(2) mixing the superfine grinding powder obtained in the step (1) with cement: sand: and mixing water according to the ratio of 1:115:335:150 to obtain the adhesive waterproof agent.
Coating 1.5cm of a sample for preparing a bonding strength test on a 1-square-meter dry brick, naturally drying the sample for 7 hours to test the bonding strength to be 1.6Mpa, soaking the sample in water for 24 hours to ensure that the bonding layer does not fall off, bubble or crack, and testing the bonding strength to be 0.8Mpa after soaking in water.
Example 1: (1) according to the parts by weight of the components, cement clinker: 240 parts, hydroxypropyl methylcellulose: 75 parts of sodium tripolyphosphate: 25 parts of polypropylene short fiber: 50 parts of granulated blast furnace slag: 20 parts of fly ash: 25 parts of gypsum: 10.5 parts of grinding aid: 3 parts and superfine admixture: 1.5 parts of the mixture is ground into particles with the diameter of 13um by an ultrafine grinding machine to obtain ultrafine grinding powder;
(2) mixing the superfine grinding powder obtained in the step (1) with cement: sand: and (3) mixing the water according to the ratio of 1:115:335:150, and uniformly stirring to obtain the bonding waterproof agent.
Coating 1.5cm of a sample for preparing a bonding strength test on a 1 square meter dry brick, naturally drying the sample for 6 hours to test the bonding strength to be 2.4Mpa, soaking the sample in water for 48 hours to ensure that the bonding layer does not fall off, bubble or crack, and testing the bonding strength to be 1.2Mpa after soaking the sample in water. The bonding waterproof agent is firmly bonded with the dry brick, has quick drying time, is not hollowly used after being soaked in water for a long time, and has high bonding strength and high waterproofness.
Example 2: (1) according to the parts by weight of the components, cement clinker: 115 parts, hydroxypropyl methylcellulose: 40 parts of sodium tripolyphosphate: 5 parts of polypropylene short fiber: 28 parts of granulated blast furnace slag: 10 parts of fly ash: 15 parts of volcanic ash: 5 parts of gypsum: 11 parts of grinding aid: 1.7 parts and superfine admixture: 2.3 parts of the mixture is ground into particles with the diameter of 14um by an ultrafine grinding machine to obtain ultrafine grinding powder;
(2) mixing the superfine grinding powder obtained in the step (1) with cement: sand: and mixing water according to the ratio of 1:70:50:170 to obtain the adhesive waterproof agent.
Coating 1cm of a sample for preparing a bonding strength test on a 1-square-meter dry brick, naturally drying the sample for 5.5h to test the bonding strength to be 2.0Mpa, soaking the sample in water for 48 hours to ensure that the bonding layer does not fall off, bubble or crack, and testing the bonding strength to be 1.2Mpa after soaking the sample in water. The bonding waterproof agent is firmly bonded with the dry brick, has quick drying time, is not hollowly used after being soaked in water for a long time, and has high bonding strength and high waterproofness.
Example 3: (1) according to the parts by weight of the components, cement clinker: 83 parts of hydroxypropyl methyl cellulose: 26 parts of sodium tripolyphosphate: 9 parts of polypropylene short fiber: 13 parts of granulated blast furnace slag: 10 parts of gypsum: 7 parts of grinding aid: 3.3 parts and superfine admixture: 0.7 part of the mixture is ground into particles with the diameter of 16um by an ultrafine grinding machine to obtain ultrafine grinding powder;
(2) mixing the superfine grinding powder obtained in the step (1) with cement: sand: and mixing water according to the ratio of 1:200:55:90 to obtain the bonding waterproof agent.
Coating 0.8cm on a dry brick with the thickness of 1 square meter to prepare a sample for a bonding strength test, naturally drying the sample for 4 hours to test the bonding strength to be 1.8Mpa, soaking the sample in water for 48 hours to ensure that the bonding layer does not fall off, bubble or crack, and testing the bonding strength to be 1Mpa after soaking the sample in water. The bonding waterproof agent is firmly bonded with the dry brick, has quick drying time, is not hollowly used after being soaked in water for a long time, and has high bonding strength and high waterproofness.
The bonding strength of the bonding waterproofing agent is obviously increased to a great extent compared with that of a comparative example under the condition that the coating thickness is reduced, the bonding strength is increased along with the increase of the coating thickness, the waterproofing performance is better, and the cost is effectively saved.
Comparative example 4: a sample for a bonding strength test is prepared by coating 1.5cm of the adhesive prepared in example 1 in Chinese patent CN104844085A on a concrete block with the square meter of 1, the sample is naturally dried for 13h, the bonding strength of the sample is tested to be 1.3Mpa, the sample is soaked in water for 24 h, the bonding layer slightly falls off and does not bubble, and the bonding strength of the sample is tested to be 0.5Mpa after the sample is soaked in water.
Comparative example 5: (1) according to the parts by weight of the components, cement clinker: 96 parts of hydroxypropyl methylcellulose: 30 parts of sodium tripolyphosphate: 10 parts of polypropylene short fiber: 20 parts of volcanic ash: 18 parts of gypsum: 4.2 parts of grinding aid: 1.2 parts and superfine admixture: 0.6 part of the mixture is ground into particles with the diameter of 14um by an ultrafine grinding machine to obtain ultrafine grinding powder;
(2) mixing the superfine grinding powder obtained in the step (1) with cement: sand: and mixing water according to the ratio of 8:77:224:167 to obtain the adhesive waterproof agent.
Coating 1.5cm of a concrete block with the thickness of 1 square meter on a sample for preparing a bonding strength test, naturally drying the sample for 7 hours to test the bonding strength to be 1.8Mpa, soaking the sample in water for 48 hours to ensure that the bonding layer does not fall off, bubble or crack, and testing the bonding strength to be 0.9Mpa after soaking in water.
Comparative example 6: (1) according to the parts by weight of the components, cement clinker: 96 parts of hydroxypropyl methylcellulose: 30 parts of sodium tripolyphosphate: 10 parts of polypropylene short fiber: 20 parts of volcanic ash: 18 parts of gypsum: 4.2 parts of grinding aid: 1.2 parts and superfine admixture: 0.6 part of the mixture is ground into particles with the diameter of 14um by an ultrafine grinding machine to obtain ultrafine grinding powder;
(2) mixing the superfine grinding powder obtained in the step (1) with cement: sand: water was mixed at a ratio of 4:77:224:167 to obtain an adhesive waterproofing agent.
Coating 1.5cm of concrete block of 1 square meter with a sample for bonding strength test, naturally drying the sample for 6h to test the bonding strength to be 2.0Mpa, soaking in water for 48h to ensure that the bonding layer does not fall off, bubble or crack, soaking in water to test the bonding strength to be 1Mpa,
example 4: (1) according to the parts by weight of the components, cement clinker: 96 parts of hydroxypropyl methylcellulose: 30 parts of sodium tripolyphosphate: 10 parts of polypropylene short fiber: 20 parts of volcanic ash: 18 parts of gypsum: 4.2 parts of grinding aid: 1.2 parts and superfine admixture: 0.6 part of the mixture is ground into particles with the diameter of 13um by an ultrafine grinding machine to obtain ultrafine grinding powder;
(2) mixing the superfine grinding powder obtained in the step (1) with cement: sand: water was mixed at a ratio of 1:77:224:167 to obtain an adhesive waterproofing agent.
Coating 1.5cm of a concrete block with the thickness of 1 square meter on a sample for preparing a bonding strength test, naturally drying the sample for 5 hours to test the bonding strength to be 2.7Mpa, soaking the sample in water for 48 hours to ensure that the bonding layer does not fall off, bubble or crack, and testing the bonding strength to be 1.4Mpa after soaking in water. The bonding waterproofing agent is firmly bonded with the concrete block, has quick drying time, does not crack due to hollowing after being soaked in water for a long time, and has high bonding strength and high waterproofness.
Example 5: (1) according to the parts by weight of the components, cement clinker: 182 parts, hydroxypropyl methylcellulose: 60 parts of sodium tripolyphosphate: 32 parts of polypropylene short fiber: 37 parts of granulated blast furnace slag: 5 parts of fly ash: 9 parts of volcanic ash: 21 parts of gypsum: 11 parts of grinding aid: 5 parts and superfine admixture: 3 parts of the mixture is ground into particles with the diameter of 15um by an ultrafine grinding machine to obtain ultrafine grinding powder;
(2) mixing the superfine grinding powder obtained in the step (1) with cement: sand: and mixing water according to the ratio of 1:69:201:150.3 to obtain the adhesive waterproofing agent.
Coating a concrete block of 1 square meter with 0.6cm to prepare a sample for a bonding strength test, naturally drying the sample for 3h to test the bonding strength to be 1.9Mpa, soaking the sample in water for 36 h to ensure that the bonding layer does not fall off, bubble or crack, and testing the bonding strength to be 1.1Mpa after soaking in water. The bonding waterproofing agent is firmly bonded with the concrete block, has quick drying time, does not crack due to hollowing after being soaked in water for a long time, and has high bonding strength and high waterproofness.
Example 6: (1) according to the parts by weight of the components, cement clinker: 135 parts of hydroxypropyl methyl cellulose: 47 parts of sodium tripolyphosphate: 30 parts of polypropylene short fiber: 9 parts, 19 parts of fly ash, and pozzolanic: 17 parts of gypsum: 10 parts of grinding aid: 4 parts and superfine admixture: 3 parts of the mixture is ground into particles with the diameter of 14um by an ultrafine grinding machine to obtain ultrafine grinding powder;
(2) mixing the superfine grinding powder obtained in the step (1) with cement: sand: water was mixed at a ratio of 1:61.6:179:133 to obtain an adhesive waterproofing agent.
The sample for preparing the bonding strength test is prepared by coating 1cm on a gypsum block with the square meter of 1m, the sample is naturally dried, the drying time is 5.5h, the bonding strength is 2.2Mpa, the sample is soaked in water for 48 hours, the bonding layer does not fall off, bubble or crack, the bonding strength is 1.2Mpa after the sample is soaked in water, the bonding of the bonding waterproofing agent and the gypsum block is proved to be firm, the drying time is short, the sample is not subjected to hollowing and cracking after long-time soaking, and the sample has high bonding strength and high waterproofness.
From the above results, it is found that, as the respective detection indexes are increased and decreased with the increase in the addition amount of the ultrafine grinding powder, the addition amount of the ultrafine grinding powder is not in direct proportion to the strength thereof and should be within a reasonable range.
Comparative example 7: 1 square meter of dry brick, concrete block and gypsum block are respectively soaked in water for 48h, and the water absorption is detected, so that the water absorption of the dry brick is 18%, the water absorption of the concrete block is 19% and the water absorption of the gypsum block is 22%.
Example 7: (1) according to the parts by weight of the components, cement clinker: 261 parts, hydroxypropyl methylcellulose: 80 parts of sodium tripolyphosphate: 29 parts of polypropylene short fiber: 14 parts of fly ash: 46 parts of gypsum: 7.2 parts of grinding aid: 2.3 parts and superfine admixture: 3.5 parts of the mixture is ground into particles with the diameter of 15um by an ultrafine grinding machine to obtain ultrafine grinding powder;
(2) mixing the superfine grinding powder obtained in the step (1) with cement: sand: water was mixed at a ratio of 1:138:0:105 to obtain an adhesive waterproofing agent.
A sample for preparing an adhesion strength test is prepared by coating 0.5cm on a dry brick with the square meter of 1m, the sample is naturally dried, and the water absorption of the sample is 5% by the test, which shows that the adhesive has good waterproof performance.
Example 8: (1) according to the parts by weight of the components, cement clinker: 261 parts, hydroxypropyl methylcellulose: 80 parts of sodium tripolyphosphate: 29 parts of polypropylene short fiber: 14 parts of fly ash: 46 parts of gypsum: 7.2 parts of grinding aid: 2.3 parts and superfine admixture: 3.5 parts of the mixture is ground into particles with the diameter of 15um by an ultrafine grinding machine to obtain ultrafine grinding powder;
(2) mixing the superfine grinding powder obtained in the step (1) with cement: sand: and mixing water according to the ratio of 1:200:0:80 to obtain the adhesive waterproof agent.
A sample for preparing an adhesion strength test is prepared by coating 0.5cm on a concrete block with the square meter of 1m, the sample is naturally dried, and the water absorption of the sample is 7% by the test, which shows that the adhesive has good waterproof performance.
Example 9: (1) the cement clinker comprises the following components in parts by weight: 261 parts, hydroxypropyl methylcellulose: 80 parts of sodium tripolyphosphate: 29 parts of polypropylene short fiber: 14 parts of fly ash: 46 parts of gypsum: 7.2 parts of grinding aid: 2.3 parts and superfine admixture: 3.5 parts of the mixture is ground into particles with the diameter of 15um by an ultrafine grinding machine to obtain ultrafine grinding powder;
(2) mixing the superfine grinding powder obtained in the step (1) with cement: sand: and mixing water according to the ratio of 1:200:0:80 to obtain the adhesive waterproof agent.
A sample for preparing a bonding strength test is prepared by coating 0.5cm on a gypsum block with the square meter of 1m, the sample is naturally dried, and the test water absorption rate is 9%, which shows that the adhesive has good waterproof performance.
The result shows that the proportions of the components defined by the application are combined to promote each other on the cohesive property of building construction, so that the interfacial cohesive strength and the waterproof property of the cohesive waterproofing agent and other materials can be better enhanced, the requirements of different building occasions are met, the cohesive strength and the waterproof property are greatly improved, and the technical problems that hollows generated by low cohesive strength drop off in the using process and a toxic waterproofing agent needs to be additionally added to achieve the waterproof effect are solved. As can be seen from the data of the above examples, the synergistic effect of the components greatly improves the comprehensive performance of the adhesive waterproofing agent and the adhesive strength and the waterproofing performance of the adhesive waterproofing agent. The paint has the characteristics of detection of VOC, formaldehyde and harmful heavy metal powder, extremely low ammonia content, odor purification and the like, has the characteristics of good environmental protection, good physical properties and good construction hand feeling, is convenient to use, and is suitable for various construction processes of spraying, rolling and brushing.
The inventive concept is explained in detail herein using specific examples, which are given only to aid in understanding the core concepts of the invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are included in the scope of the present invention.
Claims (9)
1. An adhesive waterproof agent for buildings is characterized by comprising the following raw material components: the grinding powder comprises the following components in parts by weight: 60-233:0-359:61-170:1, wherein the superfine grinding powder comprises cement clinker, hydroxypropyl methyl cellulose, sodium tripolyphosphate, polypropylene short fibers, a mixed material, gypsum, a grinding aid and a superfine admixture, and the superfine grinding powder comprises the following components in parts by weight: cement clinker: 30-192 parts of hydroxypropyl methyl cellulose: 10-60 parts of sodium tripolyphosphate: 3-25 parts of polypropylene short fiber: 6-47 parts of mixed material: 5-48 parts of gypsum: 1-11 parts of grinding aid: 0.4-3 parts of superfine admixture: 0.2-4 parts.
2. The bonding waterproof agent for construction as claimed in claim 1, wherein the cement, sand, water and ultrafine grinding powder are mixed in a weight ratio of 115:335: 150: 1.
3. the bonding waterproofing agent for construction according to claim 1, wherein the cement, sand, water and ultrafine grinding powder are mixed in a weight ratio of 77:224: 167: 1.
4. the bonding waterproof agent for construction as claimed in claim 1, wherein the cement, sand, water and ultrafine grinding powder are in a weight ratio of 200:0: 80: 1.
5. the bonding waterproofing agent for buildings according to any one of claims 1 to 4, wherein the mass ratio of cement clinker, hydroxypropyl methyl cellulose, sodium tripolyphosphate, polypropylene short fiber, mixed material, gypsum, grinding aid and superfine admixture in the superfine grinding powder is 48: 15: 5: 10: 9: 2.1: 0.6: 0.3.
6. the bonding waterproofing agent for construction according to claim 5, wherein cement clinker in the ultrafine grinding powder comprises C3S/C2S/3CaO.Al2O3And C is2S+C3S accounts for 67 percent of the total amount of the cement clinker, CaO and SiO2The mass ratio is more than 2.
7. The bonding waterproofing agent for construction according to claim 6, wherein the admixture in the ultrafine grinding powder is one or a mixture of two or more of granulated blast furnace slag, fly ash and pozzolanic matter.
8. The bonding waterproofing agent for construction according to claim 7, wherein the ultrafine powder has a particle size of 13 to 16 μm.
9. The bonding waterproofing agent for buildings according to claim 1, wherein the bonding waterproofing agent for buildings is coated in a thickness of 0.5cm to 1.5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060652.9A CN110894148A (en) | 2018-09-12 | 2018-09-12 | Adhesive waterproofing agent for building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811060652.9A CN110894148A (en) | 2018-09-12 | 2018-09-12 | Adhesive waterproofing agent for building |
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| CN110894148A true CN110894148A (en) | 2020-03-20 |
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| CN201811060652.9A Pending CN110894148A (en) | 2018-09-12 | 2018-09-12 | Adhesive waterproofing agent for building |
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|---|---|
| CN (1) | CN110894148A (en) |
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| KR20100129399A (en) * | 2009-06-01 | 2010-12-09 | 임채영 | Cement nothing addition concrete water soluble bonding agent and manufacturing method of concrete |
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| CN105236866A (en) * | 2015-09-29 | 2016-01-13 | 山西省建筑科学研究院 | Cement-free exterior wall insulation board bonding mortar |
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