CN111978008A - Concrete additional antibacterial mildew inhibitor and preparation method thereof - Google Patents
Concrete additional antibacterial mildew inhibitor and preparation method thereof Download PDFInfo
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- CN111978008A CN111978008A CN202010869018.0A CN202010869018A CN111978008A CN 111978008 A CN111978008 A CN 111978008A CN 202010869018 A CN202010869018 A CN 202010869018A CN 111978008 A CN111978008 A CN 111978008A
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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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/67—Biocides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a concrete added antibacterial mildew inhibitor, which is prepared by mixing 40 parts of component A, 40 parts of component B and 20 parts of pigment and filler by weight, wherein the component A comprises the following components: styrene-acrylic resin, a dispersing agent, a defoaming agent, a flatting agent, a film-forming assistant, Bordeaux mixture and the balance of water; wherein the component B comprises the following components: the invention also discloses a preparation method of the concrete plus antibacterial mildew inhibitor, which comprises the following steps: preparing component A slurry; preparing a component A; preparing component B slurry; preparing a component B; a, B components and pigment and filler are mixed in proportion to prepare the antibacterial mildew preventive, and on the basis of the prior art, the formula of the antibacterial mildew preventive is improved, so that the antibacterial mildew preventive has an antibacterial mildew preventive effect on concrete, and the service life of a building is effectively prolonged.
Description
Technical Field
The invention relates to the technical field of building concrete, in particular to a concrete plus antibacterial mildew inhibitor and a preparation method thereof.
Background
Concrete, also known as concrete, is a general term for engineering composite materials in which aggregates are cemented into a whole by a cementing material, and in the prior art, after concrete is poured outdoors, bacteria and mold are easily bred under natural conditions, so that the surface of the concrete is damaged, and the service life of a building is affected.
Disclosure of Invention
The invention provides a concrete plus antibacterial mildew inhibitor and a preparation method thereof, aiming at solving the problems that in the prior art, a concrete building is easy to breed bacteria and mildew in a natural environment and the service life of the building is influenced.
The concrete added antibacterial mildew inhibitor is prepared by mixing 40 parts of component A, 40 parts of component B and 20 parts of pigment and filler by weight, wherein the component A comprises the following components by weight: 180-220 parts of styrene-acrylic resin, 3-4 parts of a dispersing agent, 1-3 parts of a defoaming agent, 2-5 parts of a flatting agent, 8-12 parts of a film-forming assistant, 20-50 parts of Bordeaux mixture and the balance of water; wherein the component B comprises the following components in parts by weight: 280-320 parts of pure acrylic resin, 1-3 parts of defoaming agent, 2-5 parts of flatting agent, 3-4 parts of dispersing agent, 20-50 parts of zinc sulfide solution, 8-12 parts of film forming assistant and the balance of water.
Wherein the dispersant is at least one of sodium polycarboxylate, ammonium polycarboxylate and sodium polyacrylate.
Wherein the defoaming agent is at least one of polydimethylsiloxane, tributyl phosphate, lauryl phenylacetate and silicone glycol.
The leveling agent is at least one of fluorocarbon modified acrylate, polyether modified polysiloxane, polyether siloxane copolymer and polydimethylsiloxane.
Wherein the film-forming assistant is at least one of nylon acid mixed ester, dipropylene glycol butyl ether and propylene glycol phenyl ether.
Wherein, the pigment and the filler comprise at least two of titanium dioxide, kaolin, talcum powder and heavy calcium carbonate.
The invention also provides a preparation method of the concrete plus antibacterial mildew inhibitor, and the preparation method further comprises the following steps:
preparing A-component slurry, mixing styrene-acrylic resin, Bordeaux mixture, water and a dispersing agent according to a weight ratio, and feeding the mixture into a grinding machine for grinding to obtain A-component slurry;
stirring and adding a flatting agent and a film-forming assistant into the slurry of the component A to obtain a component A;
preparing component B slurry, mixing pure acrylic resin, a zinc sulfide solution, a dispersing agent and water according to a weight ratio, and feeding the mixture into a grinding machine for grinding to obtain the component B slurry;
stirring and adding a flatting agent and a film-forming assistant into the component B slurry to obtain a component B;
mixing the obtained component A and component B with the pigment and filler according to the weight ratio of 40: 40: 20, and mixing to obtain the antibacterial mildew preventive.
The invention has the beneficial effects that: on the basis of the prior art, the formula of the antibacterial mildew preventive is improved, the Bordeaux mixture and the zinc sulfate are compounded with each other, and the antibacterial mildew preventive is attached to the surface of a building, so that the antibacterial mildew preventive has the antibacterial mildew preventive effect on concrete, is long in action time, and effectively prolongs the service life of the building.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow structure diagram of a preparation method of the concrete plus antibacterial mildew preventive and the preparation method thereof.
FIG. 2 is a schematic flow chart of the preparation method of embodiment 1 of the concrete plus antibacterial and antifungal agent and the preparation method thereof of the present invention.
FIG. 3 is a schematic flow chart of the preparation method of embodiment 2 of the present invention.
FIG. 4 is a schematic flow chart of the preparation method of embodiment 3 of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 4, the present invention provides a technical solution:
the preparation of Bordeaux mixture includes the following steps:
adding 150 parts of water into 1 part of copper sulfate and 1 part of hydrated lime respectively to prepare a copper sulfate solution and a hydrated lime solution respectively;
the prepared copper sulfate solution and the slaked lime solution were poured into the same container at the same time while keeping stirring to prepare a boldo solution.
And taking a small amount of zinc sulfide powder and dilute hydrochloric acid, and stirring and mixing to obtain a zinc sulfide solution.
Preparing A-component slurry, mixing styrene-acrylic resin, Bordeaux mixture, water and a dispersing agent according to a weight ratio, and feeding the mixture into a grinding machine for grinding to obtain A-component slurry;
stirring and adding a flatting agent and a film-forming assistant into the slurry of the component A to obtain a component A;
preparing component B slurry, mixing pure acrylic resin, a zinc sulfide solution, a dispersing agent and water according to a weight ratio, and feeding the mixture into a grinding machine for grinding to obtain the component B slurry;
stirring and adding a flatting agent and a film-forming assistant into the component B slurry to obtain a component B;
mixing the obtained component A and component B with the pigment and filler according to the weight ratio of 40: 40: 20, and mixing to obtain the antibacterial mildew preventive.
In the embodiment, the zinc ions and the copper ions can effectively inhibit the breeding of bacteria and mold in the antibacterial and mildewproof agent, and the two components are utilized, so that the pure acrylic resin and the styrene-acrylic resin can be matched with each other and are matched with the dispersing agent, the leveling agent and the film-forming assistant, so that the pure acrylic resin and the styrene-acrylic resin can be attached to the surface of the concrete under the natural air drying condition, serve as a zinc ion and copper ion antibacterial base material and provide coated protection for the surface of the concrete, the leveling agent can effectively reduce pores on the surface of the antibacterial and mildewproof agent and enhance the weather resistance of the antibacterial and mildewproof agent, and the added pigment and filler is used for providing color, is responsible for shielding the surface of the concrete and improves the attractiveness of the surface of the concrete.
Specific example 1:
preparing slurry of the component A, namely mixing styrene-acrylic resin, Bordeaux mixture, water and sodium polycarboxylate according to the weight ratio of 180: 20: 250: 3 mixing, and grinding in a grinder with the rotation speed of 1000rpm until the particle size is less than or equal to 15 mu m to obtain component A slurry;
adding 2 parts of fluorocarbon modified acrylate and 5 parts of nylon acid mixed ester into the component A slurry under the condition that the stirring speed is kept at 600rpm to obtain a component A;
preparing slurry of the component B, namely mixing pure acrylic resin, a zinc sulfide solution, a polycarboxylic acid ammonium salt and water according to a weight ratio of 280: 20: 3: 250, mixing, and grinding in a grinder with the rotation speed of 1000rpm until the particle size is less than or equal to 15 mu m to obtain component B slurry;
adding 2 parts of polyether modified polysiloxane and 8 parts of nylon acid mixed ester into the slurry of the component B under the condition that the stirring speed is kept at 600rpm to obtain a component B;
mixing the obtained component A and component B with the pigment and filler according to the weight ratio of 40: 40: 20, and mixing to obtain the antibacterial mildew preventive.
Specific example 2:
preparing slurry of the component A, namely mixing styrene-acrylic resin, Bordeaux mixture, water and sodium polyacrylate according to the weight ratio of 220: 50: 300: 4, mixing, and grinding in a grinder with the rotation speed of 1200rpm until the particle size is less than or equal to 15 mu m to obtain component A slurry;
adding 5 parts of polyether modified polysiloxane and 12 parts of propylene glycol phenyl ether into the component A slurry under the condition that the stirring speed is kept at 600rpm to obtain a component A;
preparing component B slurry, namely mixing pure acrylic resin, a zinc sulfide solution, a polycarboxylic acid ammonium salt and water according to the weight ratio of 320: 50: 4: 300, and sending the mixture to a grinder with the rotating speed of 1200rpm for grinding until the grain diameter is less than or equal to 15 mu m to obtain component B slurry;
adding 5 parts of polydimethylsiloxane and 12 parts of dipropylene glycol butyl ether into the slurry of the component B under the condition of keeping the stirring speed at 600rpm to obtain a component B;
mixing the obtained component A and component B with the pigment and filler according to the weight ratio of 40: 40: 20, and mixing to obtain the antibacterial mildew preventive.
Specific example 3:
preparing slurry of the component A, namely mixing styrene-acrylic resin, Bordeaux mixture, water and polycarboxylic acid ammonium salt according to the weight ratio of 200: 35: 275: 4, mixing, and grinding in a grinder with the rotation speed of 1100rpm until the particle size is less than or equal to 15 microns to obtain component A slurry;
adding 4 parts of polyether modified polysiloxane and 10 parts of propylene glycol phenyl ether into the component A slurry under the condition that the stirring speed is kept at 800rpm to obtain a component A;
preparing slurry of the component B, namely mixing pure acrylic resin, a zinc sulfide solution, a polycarboxylic acid ammonium salt and water according to the weight ratio of 300: 35: 4: 280 mixing, and grinding in a grinder with the rotation speed of 1100rpm until the particle size is less than or equal to 15 mu m to obtain component B slurry;
adding 4 parts of polydimethylsiloxane and 10 parts of dipropylene glycol butyl ether into the slurry of the component B under the condition of keeping the stirring speed at 800rpm to obtain a component B;
mixing the obtained component A and component B with the pigment and filler according to the weight ratio of 40: 40: 20, and mixing to obtain the antibacterial mildew preventive.
Comparing the antibacterial and antifungal agents prepared in embodiments 1, 2 and 3, the antibacterial and antifungal agent prepared in embodiment 3 has the best adhesion effect with the concrete surface, has excellent shielding ability on the concrete surface, and can effectively prevent the growth of bacteria and mold.
On the basis of the prior art, the invention utilizes the mutual matching of Bordeaux mixture and zinc sulfide, namely utilizes free copper ions and zinc ions to realize the antibacterial function, and utilizes the mutual matching of pure acrylic resin, styrene-acrylic resin and other auxiliary agents to ensure that the antibacterial preservative can be kept on the surface of concrete for a long time, thereby prolonging the antibacterial effect, namely prolonging the service life of the concrete building.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The concrete external antibacterial mildew inhibitor is characterized by being prepared by mixing 40 parts of component A, 40 parts of component B and 20 parts of pigment and filler by weight, wherein the component A comprises the following components by weight: 180-220 parts of styrene-acrylic resin, 3-4 parts of a dispersing agent, 1-3 parts of a defoaming agent, 2-5 parts of a flatting agent, 8-12 parts of a film-forming assistant, 20-50 parts of Bordeaux mixture and the balance of water; wherein the component B comprises the following components in parts by weight: 280-320 parts of pure acrylic resin, 1-3 parts of defoaming agent, 2-5 parts of flatting agent, 3-4 parts of dispersing agent, 20-50 parts of zinc sulfide solution, 8-12 parts of film forming assistant and the balance of water.
2. The concrete admixture with antibacterial and antifungal agent as claimed in claim 1 wherein the dispersing agent is at least one of a sodium salt of polycarboxylic acid, an ammonium salt of polycarboxylic acid and a sodium salt of polyacrylic acid.
3. The concrete admixture with antimicrobial and antifungal agents of claim 1 wherein the defoamer is at least one of polydimethylsiloxane, tributyl phosphate, lauryl phenylacetate and silicone glycol.
4. The concrete additive antibacterial and antifungal agent as claimed in claim 1, wherein the leveling agent is at least one of fluorocarbon modified acrylate, polyether modified polyorganosiloxane, polyether siloxane copolymer and polydimethylsiloxane.
5. The concrete admixture with antimicrobial and antifungal agents of claim 1 wherein the film forming agent is at least one of nylon acid mixed ester, dipropylene glycol butyl ether and propylene glycol phenyl ether.
6. The concrete plus antimicrobial mildewcide of claim 1, wherein said pigment and filler comprises at least two of titanium dioxide, kaolin, talc and ground calcium carbonate.
7. A method for preparing an additional antibacterial and mildewproof agent for concrete, which comprises the additional antibacterial and mildewproof agent for concrete as claimed in claim 1, and is characterized by further comprising the following steps:
preparing A-component slurry, mixing styrene-acrylic resin, Bordeaux mixture, water and a dispersing agent according to a weight ratio, and feeding the mixture into a grinding machine for grinding to obtain A-component slurry;
stirring and adding a flatting agent and a film-forming assistant into the slurry of the component A to obtain a component A;
preparing component B slurry, mixing pure acrylic resin, a zinc sulfide solution, a dispersing agent and water according to a weight ratio, and feeding the mixture into a grinding machine for grinding to obtain the component B slurry;
stirring and adding a flatting agent and a film-forming assistant into the component B slurry to obtain a component B;
mixing the obtained component A and component B with the pigment and filler according to the weight ratio of 40: 40: 20, and mixing to obtain the antibacterial mildew preventive.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211374794.9A CN115504706A (en) | 2020-08-25 | 2020-08-25 | Concrete additional antibacterial mildew inhibitor and preparation method thereof |
| CN202010869018.0A CN111978008A (en) | 2020-08-25 | 2020-08-25 | Concrete additional antibacterial mildew inhibitor and preparation method thereof |
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| CN202010869018.0A CN111978008A (en) | 2020-08-25 | 2020-08-25 | Concrete additional antibacterial mildew inhibitor and preparation method thereof |
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| CN202211374794.9A Division CN115504706A (en) | 2020-08-25 | 2020-08-25 | Concrete additional antibacterial mildew inhibitor and preparation method thereof |
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| CN202211374794.9A Pending CN115504706A (en) | 2020-08-25 | 2020-08-25 | Concrete additional antibacterial mildew inhibitor and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB410161A (en) * | 1932-11-05 | 1934-05-07 | Rene Desplat | Improvements in or relating to methods of and apparatus for preparing an electrolysed antiseptic |
| CN101177554A (en) * | 2006-11-10 | 2008-05-14 | 北京化工大学 | Preparation method of antibiotic anti-fungus agent for building surface |
| CN101544854A (en) * | 2009-04-22 | 2009-09-30 | 上海杉胜科技有限公司 | Antibacterial, mildewproof, self-cleaning, air cleaning and environment-friendly spray coating liquid and preparation and application thereof |
| CN107400434A (en) * | 2017-09-07 | 2017-11-28 | 深圳市嘉达高科产业发展有限公司 | Mould proof exterior coating and preparation method thereof |
| CN108822650A (en) * | 2018-06-25 | 2018-11-16 | 滁州麦斯特新型建材有限公司 | A kind of low-cost internal-external wall emulsion paint and preparation method thereof |
| CN109971263A (en) * | 2019-03-26 | 2019-07-05 | 上海中南建筑材料有限公司 | A kind of permanent seal cooling exterior wall latex paint for building and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109054525A (en) * | 2018-09-12 | 2018-12-21 | 吉林省金贝壳新材料科技有限公司 | A kind of antibacterial and mouldproof shell powder paint |
-
2020
- 2020-08-25 CN CN202010869018.0A patent/CN111978008A/en active Pending
- 2020-08-25 CN CN202211374794.9A patent/CN115504706A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB410161A (en) * | 1932-11-05 | 1934-05-07 | Rene Desplat | Improvements in or relating to methods of and apparatus for preparing an electrolysed antiseptic |
| CN101177554A (en) * | 2006-11-10 | 2008-05-14 | 北京化工大学 | Preparation method of antibiotic anti-fungus agent for building surface |
| CN101544854A (en) * | 2009-04-22 | 2009-09-30 | 上海杉胜科技有限公司 | Antibacterial, mildewproof, self-cleaning, air cleaning and environment-friendly spray coating liquid and preparation and application thereof |
| CN107400434A (en) * | 2017-09-07 | 2017-11-28 | 深圳市嘉达高科产业发展有限公司 | Mould proof exterior coating and preparation method thereof |
| CN108822650A (en) * | 2018-06-25 | 2018-11-16 | 滁州麦斯特新型建材有限公司 | A kind of low-cost internal-external wall emulsion paint and preparation method thereof |
| CN109971263A (en) * | 2019-03-26 | 2019-07-05 | 上海中南建筑材料有限公司 | A kind of permanent seal cooling exterior wall latex paint for building and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 张文吉: "《农药加工及使用技术》", 30 September 1998, 中国农业大学出版社 * |
| 朱洪法: "《催化剂手册》", 31 August 2008, 金盾出版社 * |
| 王希通等: "《中学化学手册》", 28 February 1987, 河北人民出版社 * |
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Application publication date: 20201124 |