CN111320427A - Antibacterial, antiviral, high-low temperature resistant, moisture resistant and corrosion resistant coating - Google Patents
Antibacterial, antiviral, high-low temperature resistant, moisture resistant and corrosion resistant coating Download PDFInfo
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- CN111320427A CN111320427A CN202010138768.0A CN202010138768A CN111320427A CN 111320427 A CN111320427 A CN 111320427A CN 202010138768 A CN202010138768 A CN 202010138768A CN 111320427 A CN111320427 A CN 111320427A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00508—Cement paints
-
- 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
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00525—Coating or impregnation materials for metallic surfaces
-
- 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
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00534—Coating or impregnation materials for plastic surfaces, e.g. polyurethane foams
-
- 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
-
- 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
- C04B2111/2092—Resistance against biological degradation
-
- 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
Landscapes
- 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)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses an antibacterial, antiviral, high-temperature-resistant, low-temperature-resistant, moisture-resistant and corrosion-resistant coating, which is prepared from the raw materials of cement, sand, nano silver, isocyanate and water. The coating is suitable for the surfaces of various substrates, has excellent chemical resistance, can keep good performance at the ambient temperature of 160 ℃ high temperature and 50 ℃ below zero low temperature by modifying the inorganic cementing material, has antibacterial and antiviral effects by adding the nano-silver, is particularly suitable for occasions such as hospitals, has extremely low VOC, and has wide application prospect.
Description
Technical Field
The invention relates to the field of antibacterial coatings, in particular to an antibacterial, antiviral, high-low temperature, humidity and corrosion resistant coating.
Background
The terrace is a part of a bottom room which is contacted with a soil layer, bears the load of the bottom room, is required to have certain strength and rigidity, and has the performances of moisture resistance, water resistance, heat preservation and wear resistance, along with the improvement of the living standard of people, higher requirements are put forward for ground engineering of different buildings, such as hospital ground, the ground needs to have antibacterial and antiviral properties to deal with the special microbial environment of a hospital, and particularly when the state meets epidemic outbreak, the infectious disease hospital needs to have an antibacterial, antiviral and easily-constructed ground coating for quick establishment; the chemical workshop and the laboratory ground need to meet the requirements of corrosion resistance and the like; the ground of parking area, lane need have high wear resistance, high resistance to fracture, high resistance to compression etc. does not have a ground coating that can satisfy multiple occasion, has multiple functions in the market at present.
Disclosure of Invention
In order to solve the problems, the invention provides an antibacterial, antiviral, high-low temperature resistant, moisture resistant and corrosion resistant coating in a first aspect.
As a preferred technical scheme, the dosage of the cement and the sand is 60-80% of the total weight.
As a preferable technical scheme, the dosage of the nano silver is 0.02-0.5% of the total weight.
As a preferable technical scheme, the dosage of the isocyanate is 5-15% of the total weight.
As a preferable technical scheme, the sand is selected from one or a mixture of more of carborundum, quartz sand and building sand.
As an optimal technical scheme, the fineness modulus of the sand is 1-4.
As a preferred embodiment, the isocyanate is a polymeric isocyanate having an NCO content of greater than 25% by weight.
The second aspect of the invention provides a preparation method of the antibacterial, antiviral, high-low temperature, humidity-resistant and corrosion-resistant coating, which comprises the steps of mixing the preparation raw materials, paving and constructing on the surface of the base material, and drying.
As a preferred technical scheme, the thickness of the pavement is 0.5-50 mm.
As a preferable technical scheme, the base material is selected from one of concrete, steel plates, ceramic tiles and plastics.
Has the advantages that: the antibacterial, antiviral, high-low temperature, humidity and corrosion resistant coating provided by the invention is suitable for the surfaces of various substrates, has excellent chemical resistance, can keep good performance at the ambient temperature of between 160 ℃ high temperature and 50 ℃ below zero through the modification of an inorganic cementing material, has antibacterial and antiviral effects through the addition of nano-silver, is particularly suitable for occasions such as hospitals, has extremely low VOC (volatile organic compounds), and has wide application prospect.
Detailed Description
The invention will be further understood by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. To the extent that a definition of a particular term disclosed in the prior art is inconsistent with any definitions provided herein, the definition of the term provided herein controls.
As used herein, a feature that does not define a singular or plural form is also intended to include a plural form of the feature unless the context clearly indicates otherwise. It will be further understood that the term "prepared from …," as used herein, is synonymous with "comprising," including, "comprising," "having," "including," and/or "containing," when used in this specification means that the recited composition, step, method, article, or device is present, but does not preclude the presence or addition of one or more other compositions, steps, methods, articles, or devices. Furthermore, the use of "preferred," "preferably," "more preferred," etc., when describing embodiments of the present application, is meant to refer to embodiments of the invention that may provide certain benefits, under certain circumstances. However, other embodiments may be preferred, under the same or other circumstances. In addition, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention.
In order to solve the problems, the invention provides an antibacterial, antiviral, high-low temperature resistant, moisture resistant and corrosion resistant coating in a first aspect.
In some preferred embodiments, the preparation raw materials comprise 60-80 wt% of cement and sand, 0.02-0.5 wt% of nano silver, 5-15 wt% of isocyanate, and the balance of water.
The cement is a powdery hydraulic inorganic cementing material, is added with water and stirred to form slurry, can be hardened in air or water, cements sand, stone and other materials together, and mainly comprises calcium oxide, silicon dioxide, ferric oxide, aluminum oxide and the like, wherein the silicon dioxide and other oxides are combined into silicate, and the silicate is combined with water to form gel and further coagulated and solidified.
The sand in the application is loose and unbonded sand grains, and generally is rock grains formed under natural conditions or rock grains processed by a sand making machine manually.
In some preferred embodiments, the sand is selected from one or more of corundum, quartz sand, and construction sand.
In some preferred embodiments, the sand has a fineness modulus of 1 to 4.
In some preferred embodiments, the sand comprises coarse sand with a fineness modulus of 3.4, medium sand with a fineness modulus of 2.5, fine sand with a fineness modulus of 1.8; the weight ratio of the coarse sand to the medium sand to the fine sand is 5: 3: 1.
the inventor finds that when the sands with different fineness moduli are used in a matching way, the mechanical property, the moisture resistance and the antibacterial property of the coating are balanced, and the reason is that gaps exist among the sands, when the gaps are too large, the compression resistance and the folding resistance of the coating are greatly reduced, collapse is easy to generate, otherwise when the gaps are too small, the water seepage property is poor, and the coating is in a wet state for a long time and is easy to breed mould.
In some preferred embodiments, the weight ratio of cement to sand is 1: 1.2.
the nano silver in the application refers to a metal silver simple substance with a nano-scale particle size, has excellent bactericidal performance, can directly enter thalli to generate interaction with sulfydryl of oxygen metabolic enzyme through combination with cell walls or cell membranes of pathogenic bacteria, can kill 650 kinds of bacteria within a few minutes, is a broad-spectrum bactericide, and cannot cause drug resistance of the bacteria.
The isocyanate in the present application refers to a compound containing an — NCO group, and in some preferred embodiments, the isocyanate is a polymeric isocyanate from the viewpoint of improving the mechanical properties of the coating.
The number of reactive groups in the system and thus the interaction between the different components can be increased by using polymeric isocyanates, which in some preferred embodiments are polyhexamethylene diisocyanate and/or polydiphenylmethane diisocyanate. The polymeric isocyanate is preferably a polymeric diphenylmethane diisocyanate having a rigid benzene ring, from the viewpoint of improving resistance in various aspects of the coating.
As the polymeric diphenylmethane diisocyanate, there can be exemplified Lupranate series products of Basff.
In some preferred embodiments, the polymeric diphenylmethane diisocyanate has an NCO content of greater than 25 weight percent; further preferably, the NCO content of the polydiphenyl methane diisocyanate is 31-33 wt%.
In some preferred embodiments, the polymeric diphenylmethane diisocyanate has a viscosity of from 50 to 500mPa · s at 25 ℃; more preferably, the viscosity of the polydiphenylmethane diisocyanate at 25 ℃ is 180 to 220mPa · s.
The inventors have found in a careful study that the higher the reactivity of the polymeric diphenylmethane diisocyanate with respect to viscosity and NCO content, the improved flexibility, abrasion resistance and chemical resistance of the coating can be obtained, while the excessive viscosity causes poor compatibility with the system and no decrease in the properties of the coating, so in some preferred embodiments, the polymeric diphenylmethane diisocyanate is basf Lupranate M20S.
According to the invention, through modification of the inorganic gelled material, the coating can keep good performance at the ambient temperature between 160 ℃ high temperature and 50 ℃ below zero low temperature, and has excellent wear resistance and chemical corrosion resistance, because the polymer can soften at high temperature, while the inorganic gelled material is brittle and can crack at extreme temperature, but the high and low temperature resistance and flexibility of the material are improved through mutual cooperation of the inorganic gelled material and the polymer, and hydroxyl on the surface of the inorganic material is combined with-NCO bonds in the polymer, so that the content of active groups on the surface of the inorganic material is reduced, and the chemical corrosion resistance is improved. The nano silver is added into the coating, so that the coating has antibacterial and antiviral effects, and is very suitable for occasions such as hospitals, the moisture resistance of the coating is greatly improved by the well-adjusted sand grains, and the antibacterial performance of the coating is further improved under a dry condition. In addition, the coating has extremely low VOC, belongs to an environment-friendly material, and is suitable for popularization and use in different scenes.
The second aspect of the invention provides a preparation method of the antibacterial, antiviral, high-low temperature, humidity-resistant and corrosion-resistant coating, which comprises the steps of mixing the preparation raw materials, paving and constructing on the surface of the base material, and drying.
According to the scene requirement, the thickness of the coating layer is 0.5-50 mm, preferably 0.5-30 mm.
In some preferred embodiments, the substrate is selected from one of concrete, steel plate, tile, plastic.
Examples
The technical solution of the present invention will be described in detail below with reference to examples, but the scope of the present invention is not limited to the examples, and all raw materials are commercially available unless otherwise specified.
Example 1
Embodiment 1 provides an antibacterial, antiviral, high-temperature-resistant, moisture-resistant, and corrosion-resistant coating, which is prepared from 32 wt% of cement, 38.4 wt% of sand, 0.05 wt% of nano-silver, 10 wt% of isocyanate, and the balance of water.
The sand is quartz sand, and comprises coarse sand with fineness modulus of 3.4, medium sand with fineness modulus of 2.5 and fine sand with fineness modulus of 1.8; the weight ratio of the coarse sand to the medium sand to the fine sand is 5: 3: 1.
the isocyanate was polymeric diphenylmethane diisocyanate sold under the trade name Pasteur Lupranate M20S, having an NCO content of 31.2% by weight and a viscosity of 200 mPas (25 ℃ C.).
Example 2
Embodiment 2 provides an antibacterial, antiviral, high-temperature-resistant, moisture-resistant, and corrosion-resistant coating, which is prepared from 32 wt% of cement, 38.4 wt% of sand, 0.05 wt% of nano-silver, 10 wt% of isocyanate, and the balance of water.
The sand is quartz sand, and comprises coarse sand with fineness modulus of 3.4 and fine sand with fineness modulus of 1.8; the weight ratio of the coarse sand to the medium sand to the fine sand is 5: 4.
the isocyanate was polymeric diphenylmethane diisocyanate sold under the trade name Pasteur Lupranate M20S, having an NCO content of 31.2% by weight and a viscosity of 200 mPas (25 ℃ C.).
Example 3
Embodiment 3 provides an antibacterial, antiviral, high-temperature-resistant, moisture-resistant, and corrosion-resistant coating, which is prepared from 32 wt% of cement, 38.4 wt% of sand, 0.05 wt% of nano-silver, 10 wt% of isocyanate, and the balance of water.
The sand is quartz sand, and comprises coarse sand with fineness modulus of 3.4, medium sand with fineness modulus of 2.5 and fine sand with fineness modulus of 1.8; the weight ratio of the coarse sand to the medium sand to the fine sand is 5: 2: 2.
the isocyanate was polymeric diphenylmethane diisocyanate sold under the trade name Pasteur Lupranate M20S, having an NCO content of 31.2% by weight and a viscosity of 200 mPas (25 ℃ C.).
Example 4
Embodiment 4 provides an antibacterial, antiviral, high-temperature-resistant, moisture-resistant, and corrosion-resistant coating, which is prepared from 32 wt% of cement, 38.4 wt% of sand, 0.05 wt% of nano-silver, 10 wt% of isocyanate, and the balance water.
The sand is quartz sand, and comprises coarse sand with fineness modulus of 3.4, medium sand with fineness modulus of 2.5 and fine sand with fineness modulus of 1.8; the weight ratio of the coarse sand to the medium sand to the fine sand is 5: 3: 1.
the isocyanate was polyhexamethylene diisocyanate (CAS number: 28182-81-2) manufactured by Sigma-Aldrich.
Example 5
Embodiment 5 provides an antibacterial, antiviral, high-temperature-resistant, moisture-resistant, and corrosion-resistant coating, which is prepared from 32 wt% of cement, 38.4 wt% of sand, 0.05 wt% of nano-silver, 10 wt% of isocyanate, and the balance water.
The sand is quartz sand, and comprises coarse sand with fineness modulus of 3.4, medium sand with fineness modulus of 2.5 and fine sand with fineness modulus of 1.8; the weight ratio of the coarse sand to the medium sand to the fine sand is 5: 3: 1.
the isocyanate was diphenylmethane diisocyanate (CAS number: 101-68-8), manufactured by Sigma-Aldrich.
Example 6
Embodiment 6 provides an antibacterial, antiviral, high-temperature-resistant, moisture-resistant, and corrosion-resistant coating, which is prepared from 32 wt% of cement, 38.4 wt% of sand, 0.05 wt% of nano-silver, 10 wt% of isocyanate, and the balance water.
The sand is quartz sand, and comprises coarse sand with fineness modulus of 3.4, medium sand with fineness modulus of 2.5 and fine sand with fineness modulus of 1.8; the weight ratio of the coarse sand to the medium sand to the fine sand is 5: 3: 1.
the isocyanate was polymeric diphenylmethane diisocyanate sold under the trade name Pasteur Lupranate M50, having an NCO content of 31.0% by weight and a viscosity of 500 mPas (25 ℃).
Example 7
Embodiment 7 provides an antibacterial, antiviral, high-temperature-resistant, moisture-resistant, and corrosion-resistant coating, which is prepared from 32 wt% of cement, 38.4 wt% of sand, 0.05 wt% of nano-silver, 10 wt% of isocyanate, and the balance water.
The sand is quartz sand, and comprises coarse sand with fineness modulus of 3.4, medium sand with fineness modulus of 2.5 and fine sand with fineness modulus of 1.8; the weight ratio of the coarse sand to the medium sand to the fine sand is 5: 3: 1.
the isocyanate was polymeric diphenylmethane diisocyanate, having the trade designation Pasteur Lupranate M11S, having an NCO content of 31.5% by weight and a viscosity of 110 mPas (25 ℃ C.).
Example 8
Embodiment 8 provides an antibacterial, antiviral, high-temperature-resistant, moisture-resistant, and corrosion-resistant coating, which is prepared from 32 wt% of cement, 38.4 wt% of sand, 0.05 wt% of nano-silver, and the balance water.
The sand is quartz sand, and comprises coarse sand with fineness modulus of 3.4, medium sand with fineness modulus of 2.5 and fine sand with fineness modulus of 1.8; the weight ratio of the coarse sand to the medium sand to the fine sand is 5: 3: 1.
evaluation of Performance
1. Softening temperature: the softening temperature of example 1 was measured to be 168 ℃ under a 50N load at a temperature rise rate of 120 ℃/h according to the Vicat softening point test method.
2. Low temperature resistance: according to the method recorded in GB/T22374-.
3. And (3) antibacterial property: the test of the example 1 is carried out according to GB/T21866-.
4. And (3) antiviral property: according to tests, the silver ions have an inhibiting effect on both H1N1 and H3N2, the inhibiting rate is over 90 percent and over 50 percent, the inhibiting rate on influenza B (influenza B/21218/2004) is over 80 percent, the inhibiting rate on enteroviruses 71,68 and coxsackie A16 is 100 percent, and the MDCK cultured cells have no obvious cytotoxicity.
VOC testing: the VOC is not detected when the determination of the example 1 is carried out according to GB 18582-.
6. Bonding strength: according to GB/T22374-.
7. Chemical resistance: chemical resistance for example 1 is shown in table 1, where R represents resistance, L represents limited resistance, and N represents no resistance.
TABLE 1
8. Mechanical properties: the flexural strength tests were carried out on examples 1 to 8 according to the method described in GB/T22374-2018 floor coating materials, and the results are shown in Table 2.
TABLE 2
| Examples | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Flexural strength/MPa | 21.0 | 10.2 | 14.5 | 11.7 | 9.8 | 15.4 | 12.2 | 5.1 |
According to embodiments 1 to 8, the antibacterial, antiviral, high-temperature-resistant, humidity-resistant and corrosion-resistant coating provided by the invention is suitable for the surfaces of various base materials, has excellent chemical resistance, can maintain good performance at an environmental temperature between 160 ℃ high temperature and 50 ℃ below zero by modifying an inorganic cementing material, has antibacterial and antiviral effects by adding nano silver, is particularly suitable for occasions such as hospitals, has extremely low VOC (volatile organic Compounds), and has wide application prospects.
The present invention is provided as an exemplary embodiment of the present invention, but the present invention is merely an example and is not to be construed as limiting. Variations of the invention that are obvious to a person skilled in the art are also included within the scope of the appended claims.
Claims (10)
1. An antibacterial, antiviral, high-low temperature-resistant, moisture-resistant and corrosion-resistant coating is characterized in that the preparation raw materials comprise cement, sand, nano-silver, isocyanate and water.
2. The antibacterial antiviral high-low temperature-resistant moisture-resistant corrosion-resistant coating as claimed in claim 1, wherein the amount of cement and sand is 60 to 80% by weight.
3. The antibacterial, antiviral, high-low temperature, humidity-resistant and corrosion-resistant coating as claimed in claim 1 or 2, wherein the nano silver is used in an amount of 0.02 to 0.5% by weight.
4. The coating of any one of claims 1 to 3, wherein the isocyanate is present in an amount of 5 to 15% by weight.
5. The coating of any one of claims 1 to 4, wherein the sand is selected from one or more of silicon carbide, quartz sand, and building sand.
6. The antibacterial, antiviral, high-low temperature, moisture-resistant, and corrosion-resistant coating according to any one of claims 1 to 5, wherein the fineness modulus of the sand is 1 to 4.
7. The antibacterial, antiviral, high and low temperature, moisture resistant, and corrosion resistant coating according to any one of claims 1 to 6, wherein said isocyanate is polymeric isocyanate having an NCO content of more than 25% by weight.
8. A preparation method of the antibacterial, antiviral, high-low temperature, humidity-resistant and corrosion-resistant coating as claimed in any one of claims 1 to 7, characterized in that the preparation raw materials are mixed, laid on the surface of the base material, and dried.
9. The method for preparing the antibacterial, antiviral, high-low temperature, humidity-resistant and corrosion-resistant coating according to claim 8, wherein the thickness of the paving is 0.5-50 mm.
10. The method of claim 8, wherein the substrate is selected from the group consisting of concrete, steel plate, ceramic tile, and plastic.
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| CN202010138768.0A CN111320427B (en) | 2020-03-03 | 2020-03-03 | Antibacterial, antiviral, high-low temperature resistant, moisture resistant and corrosion resistant coating |
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| CN111320427B CN111320427B (en) | 2020-11-24 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2664638A2 (en) * | 2012-05-18 | 2013-11-20 | Gianluigi Guidetti | Polyurethane painting system having low Volatile Organic Compounds emission |
| CN105753379A (en) * | 2014-12-17 | 2016-07-13 | 广州市领科化工有限公司 | Four-component aqueous polyurethane mortar floor material |
| CN107434381A (en) * | 2016-05-27 | 2017-12-05 | 立邦涂料（中国）有限公司 | A kind of extraordinary floor coatings aqueous polyurethane mortar composite coating and its preparation method and application |
-
2020
- 2020-03-03 CN CN202010138768.0A patent/CN111320427B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2664638A2 (en) * | 2012-05-18 | 2013-11-20 | Gianluigi Guidetti | Polyurethane painting system having low Volatile Organic Compounds emission |
| CN105753379A (en) * | 2014-12-17 | 2016-07-13 | 广州市领科化工有限公司 | Four-component aqueous polyurethane mortar floor material |
| CN107434381A (en) * | 2016-05-27 | 2017-12-05 | 立邦涂料（中国）有限公司 | A kind of extraordinary floor coatings aqueous polyurethane mortar composite coating and its preparation method and application |
Non-Patent Citations (1)
| Title |
|---|
| 董发勤等: "《生态功能基元材料及其复合建材集成技术》", 31 October 2008, 电子科技大学出版社 * |
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