CN112094097A - Weather-resistant inorganic coating for tunnel and preparation thereof - Google Patents
Weather-resistant inorganic coating for tunnel and preparation thereof Download PDFInfo
- Publication number
- CN112094097A CN112094097A CN202010978232.XA CN202010978232A CN112094097A CN 112094097 A CN112094097 A CN 112094097A CN 202010978232 A CN202010978232 A CN 202010978232A CN 112094097 A CN112094097 A CN 112094097A
- Authority
- CN
- China
- Prior art keywords
- weather
- tunnel
- parts
- potassium silicate
- resistant inorganic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C04B28/24—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 containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/12—Nitrogen containing compounds organic derivatives of hydrazine
- C04B24/125—Compounds containing one or more carbon-to-nitrogen double or triple bonds, e.g. imines
-
- 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
-
- 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
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- 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
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to a weather-resistant inorganic coating for a tunnel and a preparation method thereof, wherein the inorganic coating comprises the following components in parts by weight: 20-30 parts of composite potassium silicate, 20-40 parts of rutile titanium dioxide, 0.5-0.8 part of curing agent, 0.2-0.3 part of dispersing agent, 0.3-0.6 part of thickening agent, 1-3 parts of cosolvent and 5-10 parts of deionized water. Compared with the prior art, the coating has good weather resistance, fire resistance, stain resistance and the like.
Description
Technical Field
The invention belongs to the technical field of coatings, and relates to a weather-resistant inorganic coating for a tunnel and a preparation method thereof.
Background
In the prior art, the main film forming substance of the conventional coating is organic matter, and the conventional coating is easy to burn and generate smoke when meeting fire. In order to reduce the smoke generated by the coating due to burning in fire, flame-retardant and fireproof coatings and the like are invented, but film-forming substances of the coatings are still non-combustible or flame-retardant organic compounds, and the wear resistance of the coatings cannot meet the requirements of tunnel pavements.
And Chinese patent CN111073377A discloses a water-based fireproof inorganic coating for tunnels and a preparation method thereof, which is prepared from the following raw materials in percentage by mass: inorganic silicone resin emulsion: 20 to 35 percent; rutile type titanium dioxide: 5 to 25 percent; light calcium carbonate: 25-40%, auxiliary agent: 1 to 3 percent; cosolvent: 1 to 3 percent; deionized water: 5 to 10 percent. Inorganic silicon or the like is used as a film forming material, and although the cured product has good wear resistance, the weather resistance and the like are still to be improved.
Disclosure of Invention
The invention aims to provide a weather-resistant inorganic coating for a tunnel and preparation thereof.
The purpose of the invention can be realized by the following technical scheme:
on one hand, the invention provides a weather-resistant inorganic coating for a tunnel, which consists of the following components in parts by weight: 20-30 parts of composite potassium silicate, 20-40 parts of rutile titanium dioxide, 0.5-0.8 part of curing agent, 0.2-0.3 part of dispersing agent, 0.3-0.6 part of thickening agent, 1-3 parts of cosolvent and 5-10 parts of deionized water.
Furthermore, the composite potassium silicate is formed by mixing high-modulus and low-modulus potassium silicate solutions, the modulus of the potassium silicate solution is 2.2, the modulus of the potassium silicate solution is 3.8, and the corresponding mixing mass ratio is 1: 1.
Furthermore, the particle size of the rutile titanium dioxide is not more than 0.2 μm.
Furthermore, the curing agent is a blocked polyisocyanate curing agent.
Furthermore, the dispersant is one or a mixture of more of a fluorocarbon surfactant and a 5040 dispersant.
Further, the thickener is an alkali swelling association type thickener.
Further, the cosolvent is decaglycol ester.
On the other hand, the invention also provides a preparation method of the weather-resistant inorganic coating for the tunnel, which comprises the following steps:
(1) weighing composite potassium silicate, placing the composite potassium silicate in a reaction kettle, stirring, standing and curing;
(2) and continuously adding rutile titanium dioxide, a curing agent, a dispersing agent, a thickening agent, a cosolvent and deionized water into the reaction kettle, and stirring to obtain a final product.
Further, in the step (1), the standing and curing time is 12 hours.
Further, in the step (1) and the step (2), stirring is performed at room temperature.
Compared with the prior art, the invention has the following advantages:
(1) the composite potassium silicate and the blocked polyisocyanate curing agent are compounded, and an inorganic protective film with crosslinking density is additionally formed on the film-forming surface of the coating, so that the coating has good weather resistance, fire resistance and washing resistance after being coated.
(2) The product has no organic volatile matter in the manufacturing and using processes, and is green and environment-friendly.
(3) The fireproof performance is excellent, and the fireproof grade can reach A2 grade.
Detailed Description
The present invention will be described in detail with reference to specific examples. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the following examples, unless otherwise specified, all the conventional commercially available raw materials or conventional processing techniques in the art are indicated.
Example 1:
the embodiment provides a preparation method of a weather-resistant inorganic coating for a tunnel, which comprises the following steps:
(1) weighing 25 parts of composite potassium silicate, placing the mixture into a reaction kettle, stirring, standing for 12 hours and curing;
(2) and (3) continuously adding 30 parts of rutile titanium dioxide, 0.6 part of curing agent, 0.25 part of dispersing agent, 0.5 part of thickening agent, 2 parts of cosolvent and 8 parts of deionized water into the reaction kettle, and stirring to obtain a final product, wherein in the step (1) and the step (2), the stirring is carried out at room temperature.
The composite potassium silicate is prepared by mixing potassium silicate solutions with high and low moduli, the moduli of the potassium silicate solutions are respectively 2.2 and 3.8, the corresponding mixing mass ratio is 1:1, the particle size of the rutile titanium dioxide is not more than 0.2 mu m, the curing agent is a closed polyisocyanate curing agent, the dispersing agent is a fluorocarbon surfactant, the thickening agent is an alkali swelling association type thickening agent, and the cosolvent is glycol decaglycol ester.
Comparative example 1:
compared with example 1, the same is mostly true except that potassium complex silicate is replaced by an equal mass part of inorganic silicone resin emulsion.
Comparative example 2:
compared to example 1, most of them are the same except that the curing agent component is omitted.
The performance tests of the coatings obtained in the example 1, the comparative example 1 and the comparative example 2 are carried out, specifically, the coatings are diluted to the construction requirements, then the coatings are coated on the surface of a tunnel subjected to pre-cleaning treatment by adopting the aspects of roller coating and the like, the natural drying is carried out, the film thickness is about 30 mu m, then, the air in the tunnel is circulated and naturally dried, and the results of the performance tests are as follows:
example 2:
the embodiment provides a preparation method of a weather-resistant inorganic coating for a tunnel, which comprises the following steps:
(1) weighing 20 parts of composite potassium silicate, placing the mixture into a reaction kettle, stirring, standing for 12 hours and curing;
(2) and (3) continuously adding 20 parts of rutile titanium dioxide, 0.5 part of curing agent, 0.2 part of dispersing agent, 0.3 part of thickening agent, 1 part of cosolvent and 5 parts of deionized water into the reaction kettle, and stirring to obtain a final product, wherein in the step (1) and the step (2), the stirring is carried out at room temperature.
The composite potassium silicate is prepared by mixing potassium silicate solutions with high and low moduli, the moduli of the potassium silicate solutions are respectively 2.2 and 3.8, the corresponding mixing mass ratio is 1:1, the particle size of the rutile titanium dioxide is not more than 0.2 mu m, the curing agent is closed polyisocyanate curing agent, the dispersing agent is one or a mixture of more than one of 5040 dispersing agents, the thickening agent is alkali swelling association type thickening agent, and the cosolvent is glycol decahydrate.
Example 3:
the embodiment provides a preparation method of a weather-resistant inorganic coating for a tunnel, which comprises the following steps:
(1) weighing 30 parts of composite potassium silicate, placing the mixture into a reaction kettle, stirring, standing for 12 hours and curing;
(2) and (3) continuously adding 40 parts of rutile titanium dioxide, 0.8 part of curing agent, 0.3 part of dispersing agent, 0.6 part of thickening agent, 3 parts of cosolvent and 10 parts of deionized water into the reaction kettle, and stirring to obtain a final product, wherein in the step (1) and the step (2), the stirring is carried out at room temperature.
The composite potassium silicate is prepared by mixing potassium silicate solutions with high and low moduli, the moduli of the potassium silicate solutions are respectively 2.2 and 3.8, the corresponding mixing mass ratio is 1:1, the particle size of the rutile titanium dioxide is not more than 0.2 mu m, the curing agent is a closed polyisocyanate curing agent, the dispersing agent is a mixture of a fluorocarbon surfactant and a 5040 dispersing agent according to the mass ratio of 1:1, the thickening agent is an alkali swelling association type thickening agent, and the cosolvent is decaglycol ester.
Example 4:
the embodiment provides a preparation method of a weather-resistant inorganic coating for a tunnel, which comprises the following steps:
(1) weighing 25 parts of composite potassium silicate, placing the mixture into a reaction kettle, stirring, standing for 12 hours and curing;
(2) and (3) continuously adding 20 parts of rutile titanium dioxide, 0.8 part of curing agent, 0.2 part of dispersing agent, 0.4 part of thickening agent, 1-3 parts of cosolvent and 6 parts of deionized water into the reaction kettle, and stirring to obtain a final product, wherein in the step (1) and the step (2), the stirring is carried out at room temperature.
The composite potassium silicate is prepared by mixing potassium silicate solutions with high and low moduli, the moduli of the potassium silicate solutions are respectively 2.2 and 3.8, the corresponding mixing mass ratio is 1:1, the particle size of the rutile titanium dioxide is not more than 0.2 mu m, the curing agent is a closed polyisocyanate curing agent, the dispersing agent is a fluorocarbon surfactant, the thickening agent is an alkali swelling association type thickening agent, and the cosolvent is glycol decaglycol ester.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The weather-resistant inorganic coating for the tunnel is characterized by comprising the following components in parts by weight: 20-30 parts of composite potassium silicate, 20-40 parts of rutile titanium dioxide, 0.5-0.8 part of curing agent, 0.2-0.3 part of dispersing agent, 0.3-0.6 part of thickening agent, 1-3 parts of cosolvent and 5-10 parts of deionized water.
2. The weather-resistant inorganic tunnel paint as claimed in claim 1, wherein the complex potassium silicate is prepared by mixing high and low modulus potassium silicate solutions, the modulus of the potassium silicate solutions is 2.2 and 3.8 respectively, and the mixing mass ratio is 1: 1.
3. The weather-resistant inorganic tunnel paint as claimed in claim 1, wherein the rutile titanium dioxide has a particle size of not more than 0.2 μm.
4. The tunnel weather-resistant inorganic coating material as claimed in claim 1, wherein the curing agent is a blocked polyisocyanate-based curing agent.
5. The tunnel weather-resistant inorganic coating as claimed in claim 1, wherein the dispersant is one or a mixture of fluorocarbon surfactant and 5040 dispersant.
6. The tunnel weather-resistant inorganic paint as claimed in claim 1, wherein the thickener is an alkali swelling associative thickener.
7. The tunnel weatherable inorganic paint of claim 1, wherein the co-solvent is a decaglycol ester.
8. The method for preparing a weather-resistant inorganic coating material for tunnels as claimed in any one of claims 1 to 7, comprising the steps of:
(1) weighing composite potassium silicate, placing the composite potassium silicate in a reaction kettle, stirring, standing and curing;
(2) and continuously adding rutile titanium dioxide, a curing agent, a dispersing agent, a thickening agent, a cosolvent and deionized water into the reaction kettle, and stirring to obtain a final product.
9. The method of claim 8, wherein the aging time for standing in step (1) is 12 hours.
10. The method of claim 8, wherein the stirring in the steps (1) and (2) is performed at room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010978232.XA CN112094097A (en) | 2020-09-17 | 2020-09-17 | Weather-resistant inorganic coating for tunnel and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010978232.XA CN112094097A (en) | 2020-09-17 | 2020-09-17 | Weather-resistant inorganic coating for tunnel and preparation thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112094097A true CN112094097A (en) | 2020-12-18 |
Family
ID=73759508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010978232.XA Pending CN112094097A (en) | 2020-09-17 | 2020-09-17 | Weather-resistant inorganic coating for tunnel and preparation thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112094097A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101735674A (en) * | 2010-01-07 | 2010-06-16 | 中国人民解放军海军后勤技术装备研究所 | Aqueous inorganic zinc-enriched coating and preparation method thereof |
| CN102617102A (en) * | 2011-12-28 | 2012-08-01 | 上海墙特节能材料有限公司 | Inorganic dry powder architectural coating and production method thereof |
| CN104671739A (en) * | 2015-02-13 | 2015-06-03 | 河南理工大学 | Self-heat absorption coal mine safety double-liquid injecting paste material and preparation method thereof |
| CN109535791A (en) * | 2018-11-30 | 2019-03-29 | 武汉理工大学 | Isocyanates and waterglass interpenetrating net polymer fire retardant, anticorrosive hybridization coating and preparation |
| CN111073377A (en) * | 2019-12-17 | 2020-04-28 | 珠海市氟特科技有限公司 | Water-based fireproof inorganic coating for tunnel and preparation method thereof |
| CN111285658A (en) * | 2020-02-18 | 2020-06-16 | 浙江华德新材料有限公司 | Super-scrubbing-resistant flame-retardant aqueous inorganic interior wall paint and preparation method thereof |
-
2020
- 2020-09-17 CN CN202010978232.XA patent/CN112094097A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101735674A (en) * | 2010-01-07 | 2010-06-16 | 中国人民解放军海军后勤技术装备研究所 | Aqueous inorganic zinc-enriched coating and preparation method thereof |
| CN102617102A (en) * | 2011-12-28 | 2012-08-01 | 上海墙特节能材料有限公司 | Inorganic dry powder architectural coating and production method thereof |
| CN104671739A (en) * | 2015-02-13 | 2015-06-03 | 河南理工大学 | Self-heat absorption coal mine safety double-liquid injecting paste material and preparation method thereof |
| CN109535791A (en) * | 2018-11-30 | 2019-03-29 | 武汉理工大学 | Isocyanates and waterglass interpenetrating net polymer fire retardant, anticorrosive hybridization coating and preparation |
| CN111073377A (en) * | 2019-12-17 | 2020-04-28 | 珠海市氟特科技有限公司 | Water-based fireproof inorganic coating for tunnel and preparation method thereof |
| CN111285658A (en) * | 2020-02-18 | 2020-06-16 | 浙江华德新材料有限公司 | Super-scrubbing-resistant flame-retardant aqueous inorganic interior wall paint and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 萧莹: "《致富化工产品生产技术》", 30 August 1995, 安徽科学技术出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108034323B (en) | Environment-friendly interior wall coating and preparation method thereof | |
| CN112029411A (en) | Fireproof water-based inorganic coating and preparation method and application thereof | |
| CN109694630A (en) | Aqueous, environmental protective heat-insulating flame-retardant coating and preparation method thereof | |
| WO2022198961A1 (en) | Graphene-modified waterborne elastic coating composition and preparation method therefor | |
| CN111777907A (en) | Waterproof coating and preparation method thereof | |
| CN113122123A (en) | Non-asphalt-based spraying fast-setting waterborne polyurethane waterproof coating and preparation method thereof | |
| CN106590367B (en) | A kind of carbon nanotube self repairing agent and its application in antistatic powder coating | |
| KR102383854B1 (en) | Acryl-urethane type coating composition for reinforcing and finishing surface of concrete structure and constructing method for reinforcing and finishing surface of concrete structure using the same | |
| CN111718647B (en) | Environment-friendly water-based UV coating and preparation method thereof | |
| KR102560509B1 (en) | A functional(antibacterial and flame retardant) paint composition using shellfish shell | |
| CN109593414B (en) | Expandable foamed single-component polymer emulsion fireproof and waterproof coating and preparation method thereof | |
| WO2021175065A1 (en) | Organic-inorganic hybrid fireproof coating and preparation method therefor | |
| CN112094097A (en) | Weather-resistant inorganic coating for tunnel and preparation thereof | |
| KR100912388B1 (en) | The method of manufacturing painting composite with high water proof | |
| CN107652740A (en) | A kind of aqueous transparent ancient building fire retarding wood protection coating and preparation method thereof | |
| CN105602375A (en) | External wall heat-insulation low-carbon energy-saving paint | |
| CN108059898B (en) | Environment-friendly building fireproof coating and preparation method thereof | |
| CN116004042A (en) | Environment-friendly all-inorganic steel structure fireproof paint and preparation method thereof | |
| CN109111797B (en) | Fireproof coating for power equipment and preparation method thereof | |
| CN112285811A (en) | Antistatic AF (aluminum fluoride) coating material and preparation method thereof | |
| KR101976687B1 (en) | Cool paint composition comprising cenosphere | |
| CN112592626A (en) | Water-based paint and preparation method and application thereof | |
| CN111040521A (en) | Anti-ultraviolet two-component coating with low VOC content for building and preparation method thereof | |
| KR102397704B1 (en) | Eco-friendly paint composition having radon blocking function and its manufacturing method | |
| CN111217584B (en) | Preparation method of insect-proof and mildew-proof limestone coating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201218 |