CN112608640A - Environment-friendly exterior wall flexible putty powder and preparation method thereof - Google Patents
Environment-friendly exterior wall flexible putty powder and preparation method thereof Download PDFInfo
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- CN112608640A CN112608640A CN202011598306.3A CN202011598306A CN112608640A CN 112608640 A CN112608640 A CN 112608640A CN 202011598306 A CN202011598306 A CN 202011598306A CN 112608640 A CN112608640 A CN 112608640A
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- 239000000843 powder Substances 0.000 title claims abstract description 170
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 81
- 239000011449 brick Substances 0.000 claims abstract description 71
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 51
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 50
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 30
- 239000011575 calcium Substances 0.000 claims abstract description 30
- 239000000080 wetting agent Substances 0.000 claims abstract description 30
- 239000004568 cement Substances 0.000 claims abstract description 25
- 239000003365 glass fiber Substances 0.000 claims abstract description 25
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 25
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 25
- 241000276489 Merlangius merlangus Species 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 24
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 14
- 238000000498 ball milling Methods 0.000 claims description 14
- 229920000570 polyether Polymers 0.000 claims description 14
- 229920002545 silicone oil Polymers 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 10
- 229920005682 EO-PO block copolymer Polymers 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 9
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 9
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 235000020610 powder formula Nutrition 0.000 description 48
- 229910052782 aluminium Inorganic materials 0.000 description 21
- 238000010276 construction Methods 0.000 description 6
- 235000013350 formula milk Nutrition 0.000 description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/34—Filling pastes
Abstract
The invention discloses environment-friendly exterior wall flexible putty powder and a preparation method thereof, belonging to the technical field of building materials and preparation methods thereof, the environment-friendly exterior wall flexible putty powder is prepared by mixing white cement, coarse whiting powder, ash calcium powder, a wetting agent, high-alumina brick powder, nano silicon dioxide and glass fiber, and the high-alumina brick powder with the median particle size of 3-5mm, the high-alumina brick powder with the median particle size of 1-3mm and the high-alumina brick powder with the median particle size of 0.01-1mm are mixed for filling pores with different sizes generated in the using process of the putty powder, so that the surface smoothness of the putty powder is improved. And secondly, the nano silicon dioxide and the glass fiber are added into the formula system to be mixed, so that the good interface binding force with the components such as the gray calcium, the heavy calcium and the like is ensured, the binding property of each component in the putty powder is improved, and the crack resistance and the waterproof property of the putty powder are enhanced.
Description
Technical Field
The invention relates to the technical field of building materials and preparation methods thereof, in particular to environment-friendly exterior wall flexible putty powder and a preparation method thereof.
Background
The putty powder is a surface leveling powdery material for pretreating a construction surface before paint construction, and mainly aims to fill pores of the construction surface and correct curve deviation of the construction surface so as to lay a foundation for obtaining a uniform and smooth paint surface.
The putty is generally composed of base material, filler, water and assistant.
The base material, also called adhesive, is the most key component of the putty and mainly plays various roles of adhesion and the like. The most common binders used in putties are cement and organic polymers, which are also classified as emulsions and emulsion powders. Cement is a good, durable and cost-effective binder, but has poor tensile strength and crack resistance. The organic polymer can modify and toughen the putty, thereby improving the performance of the putty.
The filler mainly plays a filling role, and commonly used calcium carbonate, talcum powder, quartz sand and the like can fill a working surface with a local recess, can also be scraped off on the whole surface, and is usually applied to the surface of the primer layer after the primer layer is dried completely. It is required that the adhesiveness is good and no crack is generated during the baking process.
The auxiliary agent comprises a thickening agent, a water-retaining agent and the like. Thickeners and water retention agents act to retain water and improve storage and workability, and cellulose is generally used. The antifreezing agent is mainly used for improving the storage stability of the putty at low temperature, and the slip agent, the water reducing agent and the like are generally used in high-grade putty to improve the construction performance of the putty. And fiber is added into the fiber to play a role in cracking resistance.
In the prior art, the phenomena of cracking, foaming, powder removal and the like are easy to occur when the putty powder is used, so that the surface of the putty powder is not smooth enough, and the phenomenon of unevenness can occur when the surface of the putty powder is painted.
Disclosure of Invention
The embodiment of the invention provides environment-friendly exterior wall flexible putty powder and a preparation method thereof, which aim to solve the technical problems that the putty powder is easy to crack, bubble, remove powder and the like when in use.
The embodiment of the invention adopts the following technical scheme: the environment-friendly outer wall flexible putty powder comprises the following technical points: the adhesive comprises the following components in parts by mass: 400 parts of white cement 200, 700 parts of heavy calcium powder 500, 90-110 parts of sierozem powder, 4-6 parts of wetting agent, 10-30 parts of high-alumina brick powder, 4-6 parts of nano silicon dioxide and 10-20 parts of glass fiber.
Further, the particle size of the white cement in the environment-friendly type exterior wall flexible putty powder formula system is 300-600 meshes.
Further, the particle size of the coarse whiting powder in the environment-friendly type exterior wall flexible putty powder formula system is 800-1000 meshes.
Further, the particle size of the calcium ash powder in the environment-friendly flexible putty powder formula system for the exterior wall is 300-500 meshes.
Further, the wetting agent in the environment-friendly exterior wall flexible putty powder formula system is at least one of alkyl polyoxyethylene ether and ethylene oxide-propylene oxide block copolymer.
Further, the wetting agent in the environment-friendly exterior wall flexible putty powder formula system is polyether modified silicone oil, the silicon content of the polyether modified silicone oil is 10-20%, and the surface tension is 15-30 mn/m.
Further, the high-aluminum brick powder in the environment-friendly exterior wall flexible putty powder formula system is prepared by mixing high-aluminum brick powder with the median particle size of 3-5mm, high-aluminum brick powder with the median particle size of 1-3mm and high-aluminum brick powder with the median particle size of 0.01-1mm, wherein the mass ratio of the high-aluminum brick powder with the median particle size of 3-5mm, the high-aluminum brick powder with the median particle size of 1-3mm and the high-aluminum brick powder with the median particle size of 0.01-1mm is 1 (1-3): (1-3).
Further, the median particle size of the nano silicon dioxide in the environment-friendly exterior wall flexible putty powder formula system is 20-30 nm.
Further, the length of the glass fiber in the environment-friendly type exterior wall flexible putty powder formula system is 2-4 mm.
The invention also comprises a preparation method of the environment-friendly exterior wall flexible putty powder, which has the technical points that: the method comprises the following steps:
the method comprises the following steps: accurately weighing white cement, coarse whiting powder, ash calcium powder, coarse whiting, a wetting agent and high-alumina brick powder, and uniformly mixing the weighed materials to obtain a mixed material;
step two: putting the mixed material obtained in the step one into a ball mill for ball milling for 2-4h until the median particle size is 1-2 mm;
step three: and (3) uniformly mixing the nano silicon dioxide and the glass fiber, placing the mixture obtained in the step (II) after ball milling, and uniformly mixing to obtain the environment-friendly exterior wall flexible putty powder.
The embodiment of the invention adopts at least one technical scheme which can achieve the following beneficial effects:
the environment-friendly outer wall flexible putty powder is prepared by mixing white cement, heavy calcium powder, sierozem powder, a wetting agent, high-alumina brick powder, nano silicon dioxide and glass fiber, wherein the high-alumina brick powder with the median particle size of 3-5mm, the high-alumina brick powder with the median particle size of 1-3mm and the high-alumina brick powder with the median particle size of 0.01-1mm are mixed for filling pores with different sizes generated in the using process of the putty powder, so that the surface smoothness of the putty powder is improved. And secondly, the nano silicon dioxide and the glass fiber are added into the formula system to be mixed, so that the good interface binding force with the components such as the gray calcium, the heavy calcium and the like is ensured, the binding property of each component in the putty powder is improved, and the crack resistance and the waterproof property of the putty powder are enhanced.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The environment-friendly exterior wall flexible putty powder comprises the following components: 300kg of white cement, 600kg of heavy calcium powder, 100kg of sierozem powder, 5kg of wetting agent, 20kg of high-alumina brick powder, 5kg of nano silicon dioxide and 15kg of glass fiber.
Further, the particle size of the white cement in the environment-friendly outer wall flexible putty powder formula system is 450 meshes.
Further, the particle size of the heavy calcium powder in the environment-friendly type exterior wall flexible putty powder formula system is 900 meshes.
Further, the particle size of the calcium carbonate powder in the environment-friendly type exterior wall flexible putty powder formula system is 400 meshes.
Further, the wetting agent in the environment-friendly exterior wall flexible putty powder formula system is alkyl polyoxyethylene ether.
Further, the wetting agent in the environment-friendly exterior wall flexible putty powder formula system is polyether modified silicone oil, the silicon content of the polyether modified silicone oil is 15%, and the surface tension is 23 mn/m.
Further, the high-alumina brick powder in the environment-friendly exterior wall flexible putty powder formula system is prepared by mixing high-alumina brick powder with a median particle size of 4mm, high-alumina brick powder with a median particle size of 2mm and high-alumina brick powder with a median particle size of 0.5mm, wherein the mass ratio of the high-alumina brick powder with a median particle size of 4mm to the high-alumina brick powder with a median particle size of 2mm to the high-alumina brick powder with a median particle size of 0.5mm is 1: 1.
further, the median particle size of the nano silicon dioxide in the environment-friendly exterior wall flexible putty powder formula system is 25 nm.
Further, the length of the glass fiber in the environment-friendly type exterior wall flexible putty powder formula system is 3 mm.
According to the formula, the preparation method of the environment-friendly exterior wall flexible putty powder comprises the following steps:
the method comprises the following steps: accurately weighing white cement, coarse whiting powder, ash calcium powder, coarse whiting, a wetting agent and high-alumina brick powder, and uniformly mixing the weighed materials to obtain a mixed material;
step two: putting the mixed material obtained in the step one into a ball mill for ball milling for 3 hours until the median particle size is 1.5 mm;
step three: and (3) uniformly mixing the nano silicon dioxide and the glass fiber, placing the mixture obtained in the step (II) after ball milling, and uniformly mixing to obtain the environment-friendly exterior wall flexible putty powder.
Example 2
The environment-friendly exterior wall flexible putty powder comprises the following components: 200kg of white cement, 500kg of heavy calcium powder, 90kg of sierozem powder, 4kg of wetting agent, 10kg of high-alumina brick powder, 4kg of nano silicon dioxide and 10kg of glass fiber.
Further, the particle size of the white cement in the environment-friendly outer wall flexible putty powder formula system is 300 meshes.
Further, the particle size of the heavy calcium powder in the environment-friendly type exterior wall flexible putty powder formula system is 800 meshes.
Further, the particle size of the calcium ash powder in the environment-friendly type exterior wall flexible putty powder formula system is 300 meshes.
Further, the wetting agent in the environment-friendly exterior wall flexible putty powder formula system is ethylene oxide-propylene oxide block copolymer.
Further, the wetting agent in the environment-friendly exterior wall flexible putty powder formula system is polyether modified silicone oil, the silicon content of the polyether modified silicone oil is 10%, and the surface tension is 15 mn/m.
Further, the high-alumina brick powder in the environment-friendly exterior wall flexible putty powder formula system is prepared by mixing high-alumina brick powder with a median particle size of 5mm, high-alumina brick powder with a median particle size of 3mm and high-alumina brick powder with a median particle size of 1mm, wherein the mass ratio of the high-alumina brick powder with the median particle size of 5mm, the high-alumina brick powder with the median particle size of 3mm and the high-alumina brick powder with the median particle size of 1mm is 1: 2: 2.
further, the median particle size of the nano silicon dioxide in the environment-friendly exterior wall flexible putty powder formula system is 20 nm.
Further, the length of the glass fiber in the environment-friendly type exterior wall flexible putty powder formula system is 2 mm.
According to the formula, the preparation method of the environment-friendly exterior wall flexible putty powder comprises the following steps:
the method comprises the following steps: accurately weighing white cement, coarse whiting powder, ash calcium powder, coarse whiting, a wetting agent and high-alumina brick powder, and uniformly mixing the weighed materials to obtain a mixed material;
step two: putting the mixed material obtained in the step one into a ball mill for ball milling for 2 hours until the median particle size is 1 mm;
step three: and (3) uniformly mixing the nano silicon dioxide and the glass fiber, placing the mixture obtained in the step (II) after ball milling, and uniformly mixing to obtain the environment-friendly exterior wall flexible putty powder.
Example 3
The environment-friendly exterior wall flexible putty powder comprises the following components: 400kg of white cement, 700kg of heavy calcium powder, 110kg of sierozem powder, 6kg of wetting agent, 30kg of high-alumina brick powder, 6kg of nano silicon dioxide and 20kg of glass fiber.
Further, the granularity of the white cement in the environment-friendly outer wall flexible putty powder formula system is 600 meshes.
Further, the particle size of the heavy calcium powder in the environment-friendly type exterior wall flexible putty powder formula system is 1000 meshes.
Further, the particle size of the calcium ash powder in the environment-friendly type exterior wall flexible putty powder formula system is 500 meshes.
Further, the wetting agent in the environment-friendly exterior wall flexible putty powder formula system is a mixture of alkyl polyoxyethylene ether and an ethylene oxide-propylene oxide block copolymer, wherein the mass ratio of the alkyl polyoxyethylene ether to the ethylene oxide-propylene oxide block copolymer is 1: 1.
further, the wetting agent in the environment-friendly exterior wall flexible putty powder formula system is polyether modified silicone oil, the silicon content of the polyether modified silicone oil is 20%, and the surface tension is 30 mn/m.
Further, the high-aluminum brick powder in the environment-friendly exterior wall flexible putty powder formula system is prepared by mixing high-aluminum brick powder with a median particle size of 3mm, high-aluminum brick powder with a median particle size of 1mm and high-aluminum brick powder with a median particle size of 0.01mm, wherein the mass ratio of the high-aluminum brick powder with the median particle size of 3mm, the high-aluminum brick powder with the median particle size of 1mm to the high-aluminum brick powder with the median particle size of 0.01mm is 1: 3: 3.
further, the median particle size of the nano silicon dioxide in the environment-friendly exterior wall flexible putty powder formula system is 30 nm.
Further, the length of the glass fiber in the environment-friendly type exterior wall flexible putty powder formula system is 4 mm.
According to the formula, the preparation method of the environment-friendly exterior wall flexible putty powder comprises the following steps:
the method comprises the following steps: accurately weighing white cement, coarse whiting powder, ash calcium powder, coarse whiting, a wetting agent and high-alumina brick powder, and uniformly mixing the weighed materials to obtain a mixed material;
step two: putting the mixed material obtained in the step one into a ball mill for ball milling for 4 hours until the median particle size is 2 mm;
step three: and (3) uniformly mixing the nano silicon dioxide and the glass fiber, placing the mixture obtained in the step (II) after ball milling, and uniformly mixing to obtain the environment-friendly exterior wall flexible putty powder.
Example 4
The environment-friendly exterior wall flexible putty powder comprises the following components: 250kg of white cement, 550kg of heavy calcium powder, 95kg of sierozem powder, 4.5kg of wetting agent, 15kg of high-alumina brick powder, 4.5kg of nano silicon dioxide and 12kg of glass fiber.
Further, the granularity of the white cement in the environment-friendly outer wall flexible putty powder formula system is 400 meshes.
Further, the particle size of the heavy calcium powder in the environment-friendly type exterior wall flexible putty powder formula system is 850 meshes.
Further, the particle size of the calcium ash powder in the environment-friendly type exterior wall flexible putty powder formula system is 350 meshes.
Further, the wetting agent in the environment-friendly exterior wall flexible putty powder formula system is a mixture of alkyl polyoxyethylene ether and an ethylene oxide-propylene oxide block copolymer, wherein the mass ratio of the alkyl polyoxyethylene ether to the ethylene oxide-propylene oxide block copolymer is 1: 2.
further, the wetting agent in the environment-friendly exterior wall flexible putty powder formula system is polyether modified silicone oil, the silicon content of the polyether modified silicone oil is 12%, and the surface tension is 17 mn/m.
Further, the high-aluminum brick powder in the environment-friendly exterior wall flexible putty powder formula system is prepared by mixing high-aluminum brick powder with a median particle size of 4mm, high-aluminum brick powder with a median particle size of 2mm and high-aluminum brick powder with a median particle size of 0.06m, wherein the mass ratio of the high-aluminum brick powder with the median particle size of 4mm, the high-aluminum brick powder with the median particle size of 2mm and the high-aluminum brick powder with the median particle size of 0.06m is 1: 2.
further, the median particle size of the nano silicon dioxide in the environment-friendly exterior wall flexible putty powder formula system is 22 nm.
Further, the length of the glass fiber in the environment-friendly type exterior wall flexible putty powder formula system is 2.5 mm.
According to the formula, the preparation method of the environment-friendly exterior wall flexible putty powder comprises the following steps:
the method comprises the following steps: accurately weighing white cement, coarse whiting powder, ash calcium powder, coarse whiting, a wetting agent and high-alumina brick powder, and uniformly mixing the weighed materials to obtain a mixed material;
step two: putting the mixed material obtained in the step one into a ball mill for ball milling for 3 hours until the median particle size is 2 mm;
step three: and (3) uniformly mixing the nano silicon dioxide and the glass fiber, placing the mixture obtained in the step (II) after ball milling, and uniformly mixing to obtain the environment-friendly exterior wall flexible putty powder.
Example 5
The environment-friendly exterior wall flexible putty powder comprises the following components: 350kg of white cement, 650kg of heavy calcium powder, 105kg of sierozem powder, 5.5kg of wetting agent, 25kg of high-alumina brick powder, 5.5kg of nano silicon dioxide and 18kg of glass fiber.
Further, the particle size of the white cement in the environment-friendly type exterior wall flexible putty powder formula system is 300-600 meshes.
Further, the particle size of the heavy calcium powder in the environment-friendly type exterior wall flexible putty powder formula system is 950 meshes.
Further, the particle size of the ash calcium powder in the environment-friendly type exterior wall flexible putty powder formula system is 450 meshes.
Further, the wetting agent in the environment-friendly exterior wall flexible putty powder formula system is a mixture of alkyl polyoxyethylene ether and an ethylene oxide-propylene oxide block copolymer, wherein the mass ratio of the alkyl polyoxyethylene ether to the ethylene oxide-propylene oxide block copolymer is 1: 3.
further, the wetting agent in the environment-friendly exterior wall flexible putty powder formula system is polyether modified silicone oil, the silicon content of the polyether modified silicone oil is 12%, and the surface tension is 28 mn/m.
Further, the high-alumina brick powder in the environment-friendly exterior wall flexible putty powder formula system is prepared by mixing high-alumina brick powder with a median particle size of 4.5mm, high-alumina brick powder with a median particle size of 2.5mm and high-alumina brick powder with a median particle size of 0.8mm, wherein the mass ratio of the high-alumina brick powder with the median particle size of 4.5mm to the high-alumina brick powder with the median particle size of 2.5mm to the high-alumina brick powder with the median particle size of 0.8mm is 1: 2: 1.
further, the median particle size of the nano silicon dioxide in the environment-friendly exterior wall flexible putty powder formula system is 26 nm.
Further, the length of the glass fiber in the environment-friendly type exterior wall flexible putty powder formula system is 3.2 mm.
According to the formula, the preparation method of the environment-friendly exterior wall flexible putty powder comprises the following steps:
the method comprises the following steps: accurately weighing white cement, coarse whiting powder, ash calcium powder, coarse whiting, a wetting agent and high-alumina brick powder, and uniformly mixing the weighed materials to obtain a mixed material;
step two: putting the mixed material obtained in the step one into a ball mill for ball milling for 4 hours until the median particle size is 1 mm;
step three: and (3) uniformly mixing the nano silicon dioxide and the glass fiber, placing the mixture obtained in the step (II) after ball milling, and uniformly mixing to obtain the environment-friendly exterior wall flexible putty powder.
Test examples
The environmental-friendly exterior wall flexible putty powder prepared in the embodiments 1 to 5 is subjected to technical index analysis according to the standard ' putty for exterior wall of building ' JG/T157-plus 2009 of the ministry of housing of the people's republic of China and ministry of urban and rural construction, and is specifically shown in Table 1:
TABLE 1
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The environment-friendly outer wall flexible putty powder is characterized in that: the adhesive comprises the following components in parts by mass: 400 parts of white cement 200, 700 parts of heavy calcium powder 500, 90-110 parts of sierozem powder, 4-6 parts of wetting agent, 10-30 parts of high-alumina brick powder, 4-6 parts of nano silicon dioxide and 10-20 parts of glass fiber.
2. The environment-friendly exterior wall flexible putty powder as defined in claim 1, which is characterized in that: the particle size of the white cement is 300-600 meshes.
3. The environment-friendly exterior wall flexible putty powder as defined in claim 1, which is characterized in that: the particle size of the coarse whiting powder is 800-1000 meshes.
4. The environment-friendly exterior wall flexible putty powder as defined in claim 1, which is characterized in that: the particle size of the sierozem powder is 300-500 meshes.
5. The environment-friendly exterior wall flexible putty powder as defined in claim 1, which is characterized in that: the wetting agent is at least one of alkyl polyoxyethylene ether and ethylene oxide-propylene oxide block copolymer.
6. The environment-friendly exterior wall flexible putty powder as defined in claim 1, which is characterized in that: the wetting agent is polyether modified silicone oil, the silicon content of the polyether modified silicone oil is 10-20%, and the surface tension is 15-30 mn/m.
7. The environment-friendly exterior wall flexible putty powder as defined in claim 1, which is characterized in that: the high-alumina brick powder is prepared by mixing high-alumina brick powder with a median particle size of 3-5mm, high-alumina brick powder with a median particle size of 1-3mm and high-alumina brick powder with a median particle size of 0.01-1mm, wherein the mass ratio of the high-alumina brick powder with the median particle size of 3-5mm to the high-alumina brick powder with the median particle size of 1-3mm to the high-alumina brick powder with the median particle size of 0.01-1mm is 1 (1-3): (1-3).
8. The environment-friendly exterior wall flexible putty powder as defined in claim 1, which is characterized in that: the median particle diameter of the nano silicon dioxide is 20-30 nm.
9. The environment-friendly exterior wall flexible putty powder as defined in claim 1, which is characterized in that: the length of the glass fiber is 2-4 mm.
10. A preparation method of environment-friendly exterior wall flexible putty powder is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: accurately weighing white cement, coarse whiting powder, ash calcium powder, coarse whiting, a wetting agent and high-alumina brick powder, and uniformly mixing the weighed materials to obtain a mixed material;
step two: putting the mixed material obtained in the step one into a ball mill for ball milling for 2-4h until the median particle size is 1-2 mm;
step three: and (3) uniformly mixing the nano silicon dioxide and the glass fiber, placing the mixture obtained in the step (II) after ball milling, and uniformly mixing to obtain the environment-friendly exterior wall flexible putty powder.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116426154A (en) * | 2023-04-12 | 2023-07-14 | 东南大学 | Environment-friendly exterior wall putty powder and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116426154A (en) * | 2023-04-12 | 2023-07-14 | 东南大学 | Environment-friendly exterior wall putty powder and preparation method thereof |
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