CN110655864A - Cement-based polymer modified asphalt waterproof coating and preparation method thereof - Google Patents
Cement-based polymer modified asphalt waterproof coating and preparation method thereof Download PDFInfo
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- CN110655864A CN110655864A CN201811220409.9A CN201811220409A CN110655864A CN 110655864 A CN110655864 A CN 110655864A CN 201811220409 A CN201811220409 A CN 201811220409A CN 110655864 A CN110655864 A CN 110655864A
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- 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
- C09D195/00—Coating compositions based on bituminous materials, e.g. asphalt, tar, pitch
- C09D195/005—Aqueous compositions, e.g. emulsions
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- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a cement-based polymer modified asphalt waterproof coating and a preparation method thereof, wherein the formula comprises the following components: the component A comprises: polyacrylate, emulsified asphalt, an auxiliary agent and water; and B component: the cement, the graded sandstone and the filler comprise the following components in percentage by mass: the component A comprises: 25-35% of polyacrylate, 35-45% of emulsified asphalt, 0.5-3% of auxiliary agent and 20-35% of water; and B component: 30-40% of cement, 55-65% of graded sand and 5-8% of filler; the preparation method comprises the following steps of firstly, selecting raw materials; step two, preparing a component A; step three, preparing a component B; step four, packaging finished products; step five, checking and storing; the emulsified asphalt is introduced by the polymer for modification, and is matched with the cement filler, so that the emulsified asphalt can be used for waterproof parts such as roofs, underground layers and the like, the cement filler is kneaded, the bonding force is strong, the aging resistance is good, the elongation with the polymer is high, the emulsified asphalt has tensile strength and fracture resistance, and the service life of a waterproof layer can be greatly prolonged due to the hydrophobicity of the emulsified asphalt.
Description
Technical Field
The invention relates to the technical field of building waterproof materials, in particular to a cement-based polymer modified asphalt waterproof coating and a preparation method thereof.
Background
The cement-based polymerized waterproof paint is a two-component waterproof paint which is compounded by a liquid material formed by combining synthetic high-molecular emulsion (such as acrylate and polyvinyl acetate) and various additives and matched powder, and the problems of cracking, peeling and the like are easily generated in the using process, so that the waterproof failure is caused.
Disclosure of Invention
The invention aims to provide a cement-based polymer modified asphalt waterproof coating and a preparation method thereof, which aim to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a cement-based polymer modified asphalt waterproof coating comprises the following components in percentage by weight: the component A comprises: polyacrylate, emulsified asphalt, an auxiliary agent and water; and B component: the cement, the graded sandstone and the filler comprise the following components in percentage by mass: the component A comprises: 25-35% of polyacrylate, 35-45% of emulsified asphalt, 0.5-3% of auxiliary agent and 20-35% of water; and B component: 30-40% of cement, 55-65% of graded sand and 5-8% of filler.
A preparation method of a cement-based polymer modified asphalt waterproof coating comprises the following steps of firstly, selecting raw materials; step two, preparing a component A; step three, preparing a component B; step four, packaging finished products; step five, checking and storing;
in the first step, the components in percentage by mass are as follows: the component A comprises: 25-35% of polyacrylate, 35-45% of emulsified asphalt, 0.5-3% of auxiliary agent and 20-35% of water; and B component: selecting 30-40% of cement, 55-65% of graded sand and 5-8% of filler, and weighing according to the sum of the weight percentages of 1;
in the second step, the preparation of the component A comprises the following steps:
1) adding the prepared water into a clean and dry reaction kettle;
2) slowly adding polyacrylate while stirring;
3) slowly adding the emulsified asphalt and the auxiliary agent while stirring until the mixture is fully and uniformly mixed;
in the third step, the cement, the graded sandstone and the filler are sequentially added into a dry mixing device and are mixed and stirred uniformly;
in the fourth step, the finished product packaging comprises the following steps:
1) sealing and packaging the liquid mixture obtained in the step two separately;
2) the solid mixture obtained in the third step is separately sealed and packaged;
3) packaging the two products in a sealed bag;
and in the fifth step, checking whether the manufactured package is sealed and qualified or not, and storing qualified products in a cool, dry and ventilated place.
According to the technical scheme, the weight percentage of each component is as follows: the component A comprises: 30% of polyacrylate, 40% of emulsified asphalt, 1% of auxiliary agent and 29% of water; and B component: 35% of cement, 60% of graded sand and 5% of filler.
According to the technical scheme, the emulsified asphalt is cationic emulsified asphalt.
According to the technical scheme, the auxiliary agent is formed by mixing a thickening agent, a defoaming agent and a dispersing agent according to the proportion of 2-4:0.8-1.1:0.5-0.8, wherein the thickening agent is bentonite, the defoaming agent is polyoxypropylene ethylene oxide glycerol ether, and the dispersing agent is LBD-1 dispersing agent.
According to the technical scheme, the graded sand stone is formed by mixing gravel, natural sand and water in a ratio of 9.11:4.97:3, wherein the diameter of the gravel is 20-40 mm.
According to the technical scheme, the filler is prepared by mixing the Sifei powder, the porous powder quartz and the wollastonite according to the proportion of 1-2:1-2: 1-2.
According to the technical scheme, when the finished coating is used, the component A and the component B are mixed according to the proportion of 1: 2.5.
According to the technical scheme, in the second step 2), the stirring speed is 80-100 rpm.
According to the technical scheme, in the step two 3), the emulsified asphalt and the auxiliary agent are added at a constant speed, the stirring time is 1-15min, and the stirring speed is 50-90 rpm.
According to the technical scheme, in the third step, the stirring time is 10-25min, and the stirring speed is 30-50 rpm.
Compared with the prior art, the invention has the following beneficial effects: the emulsified asphalt is introduced by the polymer for modification, and is matched with the cement filler, so that the emulsified asphalt can be used for waterproof parts such as roofs, underground layers and the like, the cement filler is kneaded, the bonding force is strong, the aging resistance is good, the elongation with the polymer is high, the emulsified asphalt has tensile strength and fracture resistance, and the service life of a waterproof layer can be greatly prolonged due to the hydrophobicity of the emulsified asphalt.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1, the present invention provides a technical solution: a cement-based polymer modified asphalt waterproof coating and a preparation method thereof are disclosed:
example 1:
a cement-based polymer modified asphalt waterproof coating comprises the following components in percentage by weight: the component A comprises: polyacrylate, emulsified asphalt, an auxiliary agent and water; and B component: the cement, the graded sandstone and the filler comprise the following components in percentage by mass: the component A comprises: 30% of polyacrylate, 35% of emulsified asphalt, 1% of auxiliary agent and 34% of water; and B component: 35% of cement, 60% of graded sand and 5% of filler.
A preparation method of a cement-based polymer modified asphalt waterproof coating comprises the following steps of firstly, selecting raw materials; step two, preparing a component A; step three, preparing a component B; step four, packaging finished products; step five, checking and storing;
in the first step, the components in percentage by mass are as follows: the component A comprises: 30% of polyacrylate, 35% of emulsified asphalt, 1% of auxiliary agent and 34% of water; and B component: selecting 35% of cement, 60% of graded sand and 5% of filler, and weighing according to the sum of the weight percentages of 1;
in the second step, the preparation of the component A comprises the following steps:
1) adding the prepared water into a clean and dry reaction kettle;
2) slowly adding polyacrylate while stirring at the stirring speed of 80-100 rpm;
3) slowly adding the emulsified asphalt and the auxiliary agent at a constant speed while stirring, wherein the stirring time is 1-15min, and the stirring speed is 50-90rpm until the materials are fully and uniformly mixed;
in the third step, the cement, the graded sandstone and the filler are sequentially added into a dry mixing device, and are uniformly mixed and stirred, wherein the stirring time is 10-25min, and the stirring speed is 30-50 rpm;
in the fourth step, the finished product packaging comprises the following steps:
1) sealing and packaging the liquid mixture obtained in the step two separately;
2) the solid mixture obtained in the third step is separately sealed and packaged;
3) packaging the two products in a sealed bag;
and in the fifth step, checking whether the manufactured package is sealed and qualified or not, and storing qualified products in a cool, dry and ventilated place.
Wherein the emulsified asphalt is a cationic emulsified asphalt; the auxiliary agent is formed by mixing a thickening agent, a defoaming agent and a dispersing agent according to the proportion of 3:1:0.8, wherein the thickening agent is bentonite, the defoaming agent is polyoxypropylene ethylene oxide glycerol ether, and the dispersing agent is LBD-1 dispersing agent; the graded sand stone is formed by mixing gravel, natural sand and water in a ratio of 9.11:4.97:3, wherein the diameter of the gravel stone is 20mm-40 mm; the filler is formed by mixing Sifei powder, porous powder quartz and wollastonite according to the proportion of 2:1: 1; when the finished coating is used, the component A and the component B are mixed according to the ratio of 1:2.5 for use.
Example 2:
a cement-based polymer modified asphalt waterproof coating comprises the following components in percentage by weight: the component A comprises: polyacrylate, emulsified asphalt, an auxiliary agent and water; and B component: the cement, the graded sandstone and the filler comprise the following components in percentage by mass: the component A comprises: 30% of polyacrylate, 40% of emulsified asphalt, 1% of auxiliary agent and 29% of water; and B component: 35% of cement, 60% of graded sand and 5% of filler.
A preparation method of a cement-based polymer modified asphalt waterproof coating comprises the following steps of firstly, selecting raw materials; step two, preparing a component A; step three, preparing a component B; step four, packaging finished products; step five, checking and storing;
in the first step, the components in percentage by mass are as follows: the component A comprises: 30% of polyacrylate, 40% of emulsified asphalt, 1% of auxiliary agent and 29% of water; and B component: selecting 35% of cement, 60% of graded sand and 5% of filler, and weighing according to the sum of the weight percentages of 1;
in the second step, the preparation of the component A comprises the following steps:
1) adding the prepared water into a clean and dry reaction kettle;
2) slowly adding polyacrylate while stirring at the stirring speed of 80-100 rpm;
3) slowly adding the emulsified asphalt and the auxiliary agent at a constant speed while stirring, wherein the stirring time is 1-15min, and the stirring speed is 50-90rpm until the materials are fully and uniformly mixed;
in the third step, the cement, the graded sandstone and the filler are sequentially added into a dry mixing device, and are uniformly mixed and stirred, wherein the stirring time is 10-25min, and the stirring speed is 30-50 rpm;
in the fourth step, the finished product packaging comprises the following steps:
1) sealing and packaging the liquid mixture obtained in the step two separately;
2) the solid mixture obtained in the third step is separately sealed and packaged;
3) packaging the two products in a sealed bag;
and in the fifth step, checking whether the manufactured package is sealed and qualified or not, and storing qualified products in a cool, dry and ventilated place.
Wherein the emulsified asphalt is a cationic emulsified asphalt; the auxiliary agent is formed by mixing a thickening agent, a defoaming agent and a dispersing agent according to the proportion of 3:1:0.8, wherein the thickening agent is bentonite, the defoaming agent is polyoxypropylene ethylene oxide glycerol ether, and the dispersing agent is LBD-1 dispersing agent; the graded sand stone is formed by mixing gravel, natural sand and water in a ratio of 9.11:4.97:3, wherein the diameter of the gravel stone is 20mm-40 mm; the filler is formed by mixing the four-component flyash, the porous quartz powder and the wollastonite according to the ratio of 2:1:1, and the component A and the component B are mixed according to the ratio of 1:2.5 when the finished coating is used.
Example 3:
a cement-based polymer modified asphalt waterproof coating comprises the following components in percentage by weight: the component A comprises: polyacrylate, emulsified asphalt, an auxiliary agent and water; and B component: the cement, the graded sandstone and the filler comprise the following components in percentage by mass: the component A comprises: 30% of polyacrylate, 45% of emulsified asphalt, 1% of auxiliary agent and 24% of water; and B component: 35% of cement, 60% of graded sand and 5% of filler.
A preparation method of a cement-based polymer modified asphalt waterproof coating comprises the following steps of firstly, selecting raw materials; step two, preparing a component A; step three, preparing a component B; step four, packaging finished products; step five, checking and storing;
in the first step, the components in percentage by mass are as follows: the component A comprises: 30% of polyacrylate, 45% of emulsified asphalt, 1% of auxiliary agent and 24% of water; and B component: selecting 35% of cement, 60% of graded sand and 5% of filler, and weighing according to the sum of the weight percentages of 1;
in the second step, the preparation of the component A comprises the following steps:
1) adding the prepared water into a clean and dry reaction kettle;
2) slowly adding polyacrylate while stirring at the stirring speed of 80-100 rpm;
3) slowly adding the emulsified asphalt and the auxiliary agent at a constant speed while stirring, wherein the stirring time is 1-15min, and the stirring speed is 50-90rpm until the materials are fully and uniformly mixed;
in the third step, the cement, the graded sandstone and the filler are sequentially added into a dry mixing device, and are uniformly mixed and stirred, wherein the stirring time is 10-25min, and the stirring speed is 30-50 rpm;
in the fourth step, the finished product packaging comprises the following steps:
1) sealing and packaging the liquid mixture obtained in the step two separately;
2) the solid mixture obtained in the third step is separately sealed and packaged;
3) packaging the two products in a sealed bag;
and in the fifth step, checking whether the manufactured package is sealed and qualified or not, and storing qualified products in a cool, dry and ventilated place.
Wherein the emulsified asphalt is a cationic emulsified asphalt; the auxiliary agent is formed by mixing a thickening agent, a defoaming agent and a dispersing agent according to the proportion of 3:1:0.8, wherein the thickening agent is bentonite, the defoaming agent is polyoxypropylene ethylene oxide glycerol ether, and the dispersing agent is LBD-1 dispersing agent; the graded sand stone is formed by mixing gravel, natural sand and water in a ratio of 9.11:4.97:3, wherein the diameter of the gravel stone is 20mm-40 mm; the filler is formed by mixing the four-component flyash, the porous quartz powder and the wollastonite according to the ratio of 2:1:1, and the component A and the component B are mixed according to the ratio of 1:2.5 when the finished coating is used.
The properties of the finished product of each example are compared in the following table:
as can be seen from the above table, the performance of the waterproof coating material is better as the addition amount of the emulsified asphalt is increased within a certain range.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A cement-based polymer modified asphalt waterproof coating is characterized in that: the formula comprises the following components: the component A comprises: polyacrylate, emulsified asphalt, an auxiliary agent and water; and B component: the cement, the graded sandstone and the filler comprise the following components in percentage by mass: the component A comprises: 25-35% of polyacrylate, 35-45% of emulsified asphalt, 0.5-3% of auxiliary agent and 20-35% of water; and B component: 30-40% of cement, 55-65% of graded sand and 5-8% of filler.
2. A preparation method of a cement-based polymer modified asphalt waterproof coating comprises the following steps of firstly, selecting raw materials; step two, preparing a component A; step three, preparing a component B; step four, packaging finished products; step five, checking and storing; the method is characterized in that:
in the first step, the components in percentage by mass are as follows: the component A comprises: 25-35% of polyacrylate, 35-45% of emulsified asphalt, 0.5-3% of auxiliary agent and 20-35% of water; and B component: selecting 30-40% of cement, 55-65% of graded sand and 5-8% of filler, and weighing according to the sum of the weight percentages of 1;
in the second step, the preparation of the component A comprises the following steps:
1) adding the prepared water into a clean and dry reaction kettle;
2) slowly adding polyacrylate while stirring;
3) slowly adding the emulsified asphalt and the auxiliary agent while stirring until the mixture is fully and uniformly mixed;
in the third step, the cement, the graded sandstone and the filler are sequentially added into a dry mixing device and are mixed and stirred uniformly;
in the fourth step, the finished product packaging comprises the following steps:
1) sealing and packaging the liquid mixture obtained in the step two separately;
2) the solid mixture obtained in the third step is separately sealed and packaged;
3) packaging the two products in a sealed bag;
and in the fifth step, checking whether the manufactured package is sealed and qualified or not, and storing qualified products in a cool, dry and ventilated place.
3. The cement-based polymer modified asphalt waterproofing coating according to claim 1, characterized in that: the weight percentage of each component is as follows: the component A comprises: 30% of polyacrylate, 40% of emulsified asphalt, 1% of auxiliary agent and 29% of water; and B component: 35% of cement, 60% of graded sand and 5% of filler.
4. The cement-based polymer modified asphalt waterproofing coating according to claim 1, characterized in that: the emulsified asphalt is cationic emulsified asphalt.
5. The cement-based polymer modified asphalt waterproofing coating according to claim 1, characterized in that: the auxiliary agent is formed by mixing a thickening agent, a defoaming agent and a dispersing agent according to the proportion of 2-4:0.8-1.1:0.5-0.8, wherein the thickening agent is bentonite, the defoaming agent is polyoxypropylene ethylene oxide glycerol ether, and the dispersing agent is LBD-1 dispersing agent.
6. The cement-based polymer modified asphalt waterproofing coating according to claim 1, characterized in that: the graded sand stone is formed by mixing gravel, natural sand and water in a ratio of 9.11:4.97:3, wherein the diameter of the gravel stone is 20mm-40 mm.
7. The cement-based polymer modified asphalt waterproofing coating according to claim 1, characterized in that: the filler is prepared by mixing Sifei powder, porous powder quartz and wollastonite according to the proportion of 1-2:1-2: 1-2.
8. The cement-based polymer modified asphalt waterproofing coating according to claim 1, characterized in that: when the finished coating is used, the component A and the component B are mixed according to the ratio of 1: 2.5.
9. The method for preparing the cement-based polymer modified asphalt waterproof coating material as claimed in claim 2, wherein the method comprises the following steps: in the second step 2), the stirring speed is 80-100 rpm.
10. The method for preparing the cement-based polymer modified asphalt waterproof coating material as claimed in claim 2, wherein the method comprises the following steps: and in the step two 3), adding the emulsified asphalt and the auxiliary agent at a constant speed, wherein the stirring time is 1-15min, and the stirring speed is 50-90 rpm.
11. The method for preparing the cement-based polymer modified asphalt waterproof coating material as claimed in claim 2, wherein the method comprises the following steps: in the third step, the stirring time is 10-25min, and the stirring speed is 30-50 rpm.
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| CN104449381A (en) * | 2014-12-19 | 2015-03-25 | 锦州东方雨虹建筑材料有限责任公司 | Composite emulsified asphalt waterproof coating and preparation method thereof |
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2018
- 2018-10-19 CN CN201811220409.9A patent/CN110655864A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101081933A (en) * | 2007-06-06 | 2007-12-05 | 湖南大学 | Environment-friendly type split mending material for polymer emulsion inorganic powder and nano material composite modified emulsified asphalt |
| CN101220233A (en) * | 2008-01-22 | 2008-07-16 | 武汉阳光建筑新材料有限公司 | Emulsified acrylic acid modified asphalt cement group waterproof coating material and method for producing the same |
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Application publication date: 20200107 |