CN112210277A - Polyurea composite layer tensile waterproof coating - Google Patents
Polyurea composite layer tensile waterproof coating Download PDFInfo
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- CN112210277A CN112210277A CN201910628401.4A CN201910628401A CN112210277A CN 112210277 A CN112210277 A CN 112210277A CN 201910628401 A CN201910628401 A CN 201910628401A CN 112210277 A CN112210277 A CN 112210277A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/02—Polyureas
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a polyurea composite layer tensile waterproof coating which comprises the following raw materials in parts by weight: 50-75 parts of isocyanate, 20-38 parts of amino compound, 21-39 parts of polyamide, 18-29 parts of polycarbonate, 7-19 parts of diisocyanate, 27-43 parts of urea, 19-28 parts of nonane diamine, 33-49 parts of amino-terminated polyether, 18-34 parts of amino-terminated resin, 7-19 parts of liquid amine chain extender, 8-15 parts of ammonium isocyanate, 39-51 parts of oligomer dihydric alcohol, 18-33 parts of oligomer trihydric alcohol, 19-26 parts of carbon catalyst, 11-25 parts of fluorocarbon resin and 5-15 parts of water. According to the invention, the liquid amine chain extender and the fluorocarbon resin are added into the production raw materials, and can react with functional groups on linear polymer chains to expand molecular chains and increase molecular weight, so that the mechanical property and the process property of the polyurea waterproof coating are effectively improved, and the polyurea waterproof coating cannot be influenced by external temperature to the self physical property.
Description
Technical Field
The invention relates to the field of polyurea, in particular to a tensile waterproof coating with a polyurea composite layer.
Background
Polyurea is an elastomeric material formed by the reaction of an isocyanate component and an amino compound component. The polyurea is divided into pure polyurea and semi-polyurea, the performances of the pure polyurea and the semi-polyurea are different, and the most basic characteristics of the polyurea are corrosion resistance, water resistance, wear resistance and the like.
The existing polyurea has extremely strong hydrophobicity, is not sensitive to environmental humidity, can be sprayed on water (or ice) to form a film, can be normally constructed under extremely severe environmental conditions, and has particularly prominent performance. The appearance of polyurea completely breaks through the traditional anticorrosion and protection concept, a higher standard is established for the material protection industry, after the production of the existing building is finished, polyurea waterproof paint can be sprayed on the surface of the existing building, the waterproof coating on the outer surface of the building, which is most frequently used by the existing polyurea waterproof paint, the tensile coefficient of the existing polyurea waterproof paint in the use process is low, when the temperature difference occurs on the outer surface of the building, the outer-layer polyurea waterproof paint can expand with heat and contract with cold, so that the polyurea waterproof paint on the outer side of the building is easy to crack, the use of the polyurea composite layer waterproof paint is influenced, the condition of water seepage of the outer layer of the building is easy to cause, and therefore, the polyurea composite layer tensile waterproof paint is provided for solving the problem.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a polyurea composite layer tensile waterproof coating.
The polyurea composite layer tensile waterproof coating provided by the invention comprises the following raw materials in parts by weight; 50-75 parts of isocyanate, 20-38 parts of amino compound, 21-39 parts of polyamide, 18-29 parts of polycarbonate, 7-19 parts of diisocyanate, 27-43 parts of urea, 19-28 parts of nonane diamine, 33-49 parts of amino-terminated polyether, 18-34 parts of amino-terminated resin, 7-19 parts of liquid amine chain extender, 8-15 parts of ammonium isocyanate, 39-51 parts of oligomer dihydric alcohol, 18-33 parts of oligomer trihydric alcohol, 19-26 parts of carbon catalyst, 11-25 parts of fluorocarbon resin and 5-15 parts of water.
In the preparation process, oligomer dihydric alcohol, oligomer trihydric alcohol and amino compound are added into a reaction container, dehydrated for 2 to 3 hours at 119 ℃ to 129 ℃ under the vacuum degree of-0.12 MPa (after dehydration, the water content is 0.014 percent measured by a Karl Fischer method), and then nitrogen or dry air is introduced to relieve the vacuum and the temperature is reduced to 73 ℃; adding isocyanate and carbon catalyst, reacting at constant temperature for 20-35min, heating to 75 deg.C, reacting at constant temperature for 1-3 hr, after the reaction is finished, the temperature is reduced to 45 ℃, ammonium isocyanate, polyamide, polycarbonate and diisocyanate are added and stirred for 10 to 25min to be uniform, the isocyanate group in the mixture is detected by a toluene-di-n-butylamine (GB/T12009.4-1989) method, then the mixture is put into a mixing kettle, at this time, the amino-terminated polyether, the amino-terminated resin and the liquid amine chain extender can be put into the mixing kettle, setting the temperature of the mixture to be 45-55 ℃, uniformly mixing and stirring, putting the uniformly mixed materials into a dryer for drying, then adding fluorocarbon resin, grinding and dispersing by a horizontal sand mill, and finally adding water, mixing and stirring uniformly to obtain the polyurea composite layer tensile waterproof coating.
Preferably, the weight ratio of the isocyanate to the amino compound is 50-75: 20-38.
Preferably, the raw materials comprise the following components in parts by weight: 51-74 parts of isocyanate, 21-36 parts of amino compound, 23-36 parts of polyamide, 19-24 parts of polycarbonate, 8-16 parts of diisocyanate, 29-42 parts of urea, 20-27 parts of nonane diamine, 34-48 parts of amino terminated polyether, 19-33 parts of amino terminated resin, 9-18 parts of liquid amine chain extender, 9-14 parts of ammonium isocyanate, 40-50 parts of oligomer dihydric alcohol, 19-32 parts of oligomer trihydric alcohol, 20-25 parts of carbon catalyst, 13-25 parts of fluorocarbon resin and 5-13 parts of water.
Preferably, in the preparation process, oligomer dihydric alcohol, oligomer trihydric alcohol and amino compound are added into a reaction vessel, dehydrated for 2.1 to 2.8 hours at the vacuum degree of-0.12 MPa and the temperature of 120 to 128 ℃ (after dehydration, the water content is 0.014 percent by a Karl Fischer method), nitrogen or dry air is introduced to relieve the vacuum, and the temperature is reduced to 73 ℃; adding isocyanate and carbon catalyst, reacting at constant temperature for 21-34min, heating to 75 deg.C, reacting at constant temperature for 1.3-2.9 hr, after the reaction is finished, the temperature is reduced to 45 ℃, ammonium isocyanate, polyamide, polycarbonate and diisocyanate are added and stirred for 12 to 23min uniformly, the isocyanate group in the mixture is detected by a toluene-di-n-butylamine (GB/T12009.4-1989) method, then the mixture is put into a mixing kettle, at this time, the amino-terminated polyether, the amino-terminated resin and the liquid amine chain extender can be put into the mixing kettle, setting the temperature of the mixture between 46 and 53 ℃, mixing and stirring uniformly, putting the uniformly stirred and mixed materials into a dryer for drying, then adding fluorocarbon resin, grinding and dispersing by a horizontal sand mill, and finally adding water for mixing and carrying to finally obtain the polyurea composite layer tensile waterproof coating.
Preferably, the water is tap water, and the content of chloride ions in the tap water is less than 0.3 mg/L.
Preferably, the fluorocarbon resin is composed of polytetrafluoroethylene resin, polyvinylidene fluoride resin and polychlorotrifluoroethylene, and the percentage of the polytetrafluoroethylene resin, the polyvinylidene fluoride resin and the polychlorotrifluoroethylene is 3:2: 5.
Preferably, the liquid amine chain extender consists of bisphenol F epoxy resin and diethyltoluenediamine, and the ratio of the bisphenol F epoxy resin to the diethyltoluenediamine is 1: 1.
Preferably, the top of mixing kettle is provided with the opening, and is provided with the (mixing) shaft in the mixing kettle, and the (mixing) shaft is connected with the motor, and then the motor can drive the (mixing) shaft and rotate the mixture.
The method has the advantages that after ammonium isocyanate, polyamide, polycarbonate and diisocyanate are stirred, the isocyanate in the mixture is detected by a toluene-di-n-butylamine (GB/T12009.4-1989) method;
and putting the mixture into a mixing kettle, putting the amino-terminated polyether, the amino-terminated resin and the liquid amine chain extender into the mixing kettle, setting the temperature of the mixture to be 45-55 ℃, mixing and stirring uniformly, putting the uniformly stirred and mixed material into a dryer for drying, then adding fluorocarbon resin, grinding and dispersing through a horizontal sand mill, and finally adding water for mixing and carrying to finally obtain the polyurea composite layer tensile waterproof coating.
According to the invention, the liquid amine chain extender and the fluorocarbon resin are added into the production raw materials, and can react with functional groups on linear polymer chains to expand molecular chains and increase molecular weight, so that the mechanical property and the process property of the polyurea waterproof coating are effectively improved, and the polyurea waterproof coating cannot be influenced by external temperature to the self physical property.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example one
The polyurea composite layer tensile waterproof coating comprises the following raw materials in parts by weight; 50 parts of isocyanate, 20 parts of amino compound, 21 parts of polyamide, 18 parts of polycarbonate, 7 parts of diisocyanate, 27 parts of urea, 19 parts of nonanediamine, 33 parts of amino-terminated polyether, 18 parts of amino-terminated resin, 7 parts of liquid amine chain extender, 8 parts of ammonium isocyanate, 39 parts of oligomer dihydric alcohol, 18 parts of oligomer trihydric alcohol, 19 parts of carbon catalyst, 11 parts of fluorocarbon resin and 5 parts of water.
In the preparation process, oligomer dihydric alcohol, oligomer trihydric alcohol and amino compound are added into a reaction container, dehydrated for 2 hours at the vacuum degree of-0.12 MPa and the temperature of 119 ℃ (after dehydration, the water content is 0.014 percent measured by a Karl Fischer method), and then nitrogen or dry air is introduced to relieve the vacuum, and the temperature is reduced to 73 ℃; adding isocyanate and a carbon catalyst, reacting at constant temperature for 20min, heating to 75 ℃, reacting at constant temperature for 1 h, cooling to 45 ℃ after the reaction is finished, adding ammonium isocyanate, polyamide, polycarbonate and diisocyanate, stirring for 10min uniformly, detecting that the mixture contains isocyanate groups by a toluene-di-n-butylamine (GB/T12009.4-1989) method, then putting the mixture into a mixing kettle, putting the amino-terminated polyether, the amino-terminated resin and a liquid amine chain extender into the mixing kettle, setting the temperature of the mixture to 45 ℃, mixing and stirring uniformly, putting the uniformly stirred and mixed materials into a dryer for drying, then adding fluorocarbon resin, grinding and dispersing by a horizontal sand mill, finally adding water, mixing and stirring uniformly, and finally obtaining the polyurea composite layer tensile waterproof coating.
Example two
The polyurea composite layer tensile waterproof coating comprises the following raw materials in parts by weight; 55 parts of isocyanate, 25 parts of amino compound, 25 parts of polyamide, 20 parts of polycarbonate, 10 parts of diisocyanate, 32 parts of urea, 24 parts of nonanediamine, 36 parts of amino-terminated polyether, 25 parts of amino-terminated resin, 11 parts of liquid amine chain extender, 12 parts of ammonium isocyanate, 42 parts of oligomer dihydric alcohol, 25 parts of oligomer trihydric alcohol, 22 parts of carbon catalyst, 16 parts of fluorocarbon resin and 10 parts of water.
In the preparation process, oligomer dihydric alcohol, oligomer trihydric alcohol and amino compound are added into a reaction container, dehydrated for 2.5 hours at the vacuum degree of-0.12 MPa and the temperature of 125 ℃ (after dehydration, the water content is 0.014 percent measured by a Karl Fischer method), nitrogen or dry air is introduced to remove the vacuum, and the temperature is reduced to 73 ℃; adding isocyanate and a carbon catalyst, reacting at constant temperature for 25min, heating to 75 ℃, reacting at constant temperature for 2 h, cooling to 45 ℃ after the reaction is finished, adding ammonium isocyanate, polyamide, polycarbonate and diisocyanate, stirring for 15min uniformly, detecting that the mixture contains isocyanate groups by a toluene-di-n-butylamine (GB/T12009.4-1989) method, then putting the mixture into a mixing kettle, putting the amino-terminated polyether, the amino-terminated resin and a liquid amine chain extender into the mixing kettle, setting the temperature of the mixture to 50 ℃, mixing and stirring uniformly, putting the uniformly stirred and mixed materials into a dryer for drying, then adding fluorocarbon resin, grinding and dispersing by a horizontal sand mill, finally adding water, mixing and stirring uniformly, and finally obtaining the polyurea composite layer tensile waterproof coating.
EXAMPLE III
The polyurea composite layer tensile waterproof coating comprises the following raw materials in parts by weight; 60 parts of isocyanate, 35 parts of amino compound, 35 parts of polyamide, 26 parts of polycarbonate, 14 parts of diisocyanate, 36 parts of urea, 26 parts of nonanediamine, 47 parts of amino-terminated polyether, 30 parts of amino-terminated resin, 16 parts of liquid amine chain extender, 13 parts of ammonium isocyanate, 50 parts of oligomer dihydric alcohol, 31 parts of oligomer trihydric alcohol, 24 parts of carbon catalyst, 23 parts of fluorocarbon resin and 15 parts of water.
In the preparation process, oligomer dihydric alcohol, oligomer trihydric alcohol and amino compound are added into a reaction container, dehydrated for 3 hours at 119-129 ℃ under the vacuum degree of-0.12 MPa (after dehydration, the water content is 0.014 percent measured by a Karl Fischer method), and then nitrogen or dry air is introduced to relieve the vacuum, and the temperature is reduced to 73 ℃; adding isocyanate and a carbon catalyst, reacting at constant temperature for 35min, heating to 75 ℃, reacting at constant temperature for 3 h, cooling to 45 ℃ after the reaction is finished, adding ammonium isocyanate, polyamide, polycarbonate and diisocyanate, stirring for 25min uniformly, detecting that the mixture contains isocyanate groups by a toluene-di-n-butylamine (GB/T12009.4-1989) method, then putting the mixture into a mixing kettle, putting the amino-terminated polyether, the amino-terminated resin and a liquid amine chain extender into the mixing kettle, setting the temperature of the mixture to 55 ℃, mixing and stirring uniformly, putting the uniformly stirred and mixed materials into a dryer for drying, then adding fluorocarbon resin, grinding and dispersing by a horizontal sand mill, finally adding water, mixing and stirring uniformly, and finally obtaining the polyurea composite layer tensile waterproof coating.
Comparative conventional experimental data obtained for examples one to three are shown in the following table:
from the above table, the present invention is improved significantly, and the third embodiment is the best embodiment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The polyurea composite layer tensile waterproof coating is characterized by comprising the following raw materials in parts by weight; 50-75 parts of isocyanate, 20-38 parts of amino compound, 21-39 parts of polyamide, 18-29 parts of polycarbonate, 7-19 parts of diisocyanate, 27-43 parts of urea, 19-28 parts of nonane diamine, 33-49 parts of amino-terminated polyether, 18-34 parts of amino-terminated resin, 7-19 parts of liquid amine chain extender, 8-15 parts of ammonium isocyanate, 39-51 parts of oligomer dihydric alcohol, 18-33 parts of oligomer trihydric alcohol, 19-26 parts of carbon catalyst, 11-25 parts of fluorocarbon resin and 5-15 parts of water.
In the preparation process, oligomer dihydric alcohol, oligomer trihydric alcohol and amino compound are added into a reaction container, dehydrated for 2 to 3 hours at 119 ℃ to 129 ℃ under the vacuum degree of-0.12 MPa (after dehydration, the water content is 0.014 percent measured by a Karl Fischer method), and then nitrogen or dry air is introduced to relieve the vacuum and the temperature is reduced to 73 ℃; adding isocyanate and carbon catalyst, reacting at constant temperature for 20-35min, heating to 75 deg.C, reacting at constant temperature for 1-3 hr, after the reaction is finished, the temperature is reduced to 45 ℃, ammonium isocyanate, polyamide, polycarbonate and diisocyanate are added and stirred for 10 to 25min to be uniform, the isocyanate group in the mixture is detected by a toluene-di-n-butylamine (GB/T12009.4-1989) method, then the mixture is put into a mixing kettle, at this time, the amino-terminated polyether, the amino-terminated resin and the liquid amine chain extender can be put into the mixing kettle, setting the temperature of the mixture to be 45-55 ℃, uniformly mixing and stirring, putting the uniformly mixed materials into a dryer for drying, then adding fluorocarbon resin, grinding and dispersing by a horizontal sand mill, and finally adding water, mixing and stirring uniformly to obtain the polyurea composite layer tensile waterproof coating.
2. The polyurea composite layer tensile waterproof coating according to claim 1, wherein the weight ratio of the isocyanate to the amino compound is 50 to 75: 20-38.
3. The polyurea composite layer tensile waterproof coating according to claim 1, characterized in that the raw materials comprise, by weight: 51-74 parts of isocyanate, 21-36 parts of amino compound, 23-36 parts of polyamide, 19-24 parts of polycarbonate, 8-16 parts of diisocyanate, 29-42 parts of urea, 20-27 parts of nonane diamine, 34-48 parts of amino terminated polyether, 19-33 parts of amino terminated resin, 9-18 parts of liquid amine chain extender, 9-14 parts of ammonium isocyanate, 40-50 parts of oligomer dihydric alcohol, 19-32 parts of oligomer trihydric alcohol, 20-25 parts of carbon catalyst, 13-25 parts of fluorocarbon resin and 5-13 parts of water.
4. The polyurea composite layer tensile waterproof coating material according to claim 1, wherein in the preparation process, oligomer dihydric alcohol, oligomer trihydric alcohol and amino compound are added into a reaction vessel, after dehydration is carried out for 2.1-2.8 hours at the vacuum degree of-0.12 MPa and the temperature of 120-128 ℃ (after dehydration, the water content is 0.014 percent by a Karl Fischer method), nitrogen or dry air is introduced to remove the vacuum, and the temperature is reduced to 73 ℃; adding isocyanate and carbon catalyst, reacting at constant temperature for 21-34min, heating to 75 deg.C, reacting at constant temperature for 1.3-2.9 hr, after the reaction is finished, the temperature is reduced to 45 ℃, ammonium isocyanate, polyamide, polycarbonate and diisocyanate are added and stirred for 12 to 23min uniformly, the isocyanate group in the mixture is detected by a toluene-di-n-butylamine (GB/T12009.4-1989) method, then the mixture is put into a mixing kettle, at this time, the amino-terminated polyether, the amino-terminated resin and the liquid amine chain extender can be put into the mixing kettle, setting the temperature of the mixture between 46 and 53 ℃, mixing and stirring uniformly, putting the uniformly stirred and mixed materials into a dryer for drying, then adding fluorocarbon resin, grinding and dispersing by a horizontal sand mill, and finally adding water for mixing and carrying to finally obtain the polyurea composite layer tensile waterproof coating.
5. The polyurea composite layer tensile waterproof coating according to claim 1, wherein the water is tap water, and the content of chloride ions in the tap water is less than 0.3 mg/L.
6. The polyurea composite layer tensile waterproof coating according to claim 1, wherein the fluorocarbon resin is composed of polytetrafluoroethylene resin, polyvinylidene fluoride resin and polychlorotrifluoroethylene, and the percentage of the polytetrafluoroethylene resin, the polyvinylidene fluoride resin and the polychlorotrifluoroethylene is 3:2: 5.
7. The polyurea composite layer tensile waterproof coating of claim 1, wherein the liquid amine chain extender is composed of bisphenol F epoxy resin and diethyltoluenediamine, and the ratio of bisphenol F epoxy resin to diethyltoluenediamine is 1: 1.
8. The polyurea composite layer tensile waterproof coating according to claim 1, wherein an opening is arranged on the top of the mixing kettle, a stirring shaft is arranged in the mixing kettle, and the stirring shaft is connected with a motor, so that the motor can drive the stirring shaft to rotate the mixture.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881328A (en) * | 2021-11-12 | 2022-01-04 | 周继贵 | Fluorine modified polyurea nano flame-retardant anti-explosion coating |
| WO2023240945A1 (en) * | 2022-06-17 | 2023-12-21 | 中车株洲车辆有限公司 | Polyurea coating and preparation method therefor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10359704A1 (en) * | 2003-12-18 | 2005-07-14 | Wacker-Chemie Gmbh | Dispersions containing organopolysiloxane-polyurea copolymers |
| CN101608025A (en) * | 2009-07-24 | 2009-12-23 | 北京立高科技有限公司 | Low molecular weight amino latent crosslinker and spray polyurea elastomer thereof |
| CN101942262A (en) * | 2010-08-30 | 2011-01-12 | 杜邦华佳化工有限公司 | Powder paint with high surface harness and decoration |
| CN102533090A (en) * | 2011-12-29 | 2012-07-04 | 大连铭洋甲板敷料有限公司 | Spray polyurea elastomer waterproof paint for boats |
| CN107936802A (en) * | 2017-12-20 | 2018-04-20 | 长沙盾甲新材料科技有限公司 | A kind of preparation method of anti-corrosion polyurea elastomer coating |
-
2019
- 2019-07-12 CN CN201910628401.4A patent/CN112210277A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10359704A1 (en) * | 2003-12-18 | 2005-07-14 | Wacker-Chemie Gmbh | Dispersions containing organopolysiloxane-polyurea copolymers |
| CN101608025A (en) * | 2009-07-24 | 2009-12-23 | 北京立高科技有限公司 | Low molecular weight amino latent crosslinker and spray polyurea elastomer thereof |
| CN101942262A (en) * | 2010-08-30 | 2011-01-12 | 杜邦华佳化工有限公司 | Powder paint with high surface harness and decoration |
| CN102533090A (en) * | 2011-12-29 | 2012-07-04 | 大连铭洋甲板敷料有限公司 | Spray polyurea elastomer waterproof paint for boats |
| CN107936802A (en) * | 2017-12-20 | 2018-04-20 | 长沙盾甲新材料科技有限公司 | A kind of preparation method of anti-corrosion polyurea elastomer coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113881328A (en) * | 2021-11-12 | 2022-01-04 | 周继贵 | Fluorine modified polyurea nano flame-retardant anti-explosion coating |
| WO2023240945A1 (en) * | 2022-06-17 | 2023-12-21 | 中车株洲车辆有限公司 | Polyurea coating and preparation method therefor |
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Application publication date: 20210112 |