CN110564182A - surface treatment process of special titanium dioxide for high weather-resistant paint - Google Patents
surface treatment process of special titanium dioxide for high weather-resistant paint Download PDFInfo
- Publication number
- CN110564182A CN110564182A CN201910899180.4A CN201910899180A CN110564182A CN 110564182 A CN110564182 A CN 110564182A CN 201910899180 A CN201910899180 A CN 201910899180A CN 110564182 A CN110564182 A CN 110564182A
- Authority
- CN
- China
- Prior art keywords
- titanium dioxide
- slurry
- titanium
- surface treatment
- treatment process
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3692—Combinations of treatments provided for in groups C09C1/3615 - C09C1/3684
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/12—Treatment with organosilicon compounds
-
- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention relates to a surface treatment process of special titanium dioxide for a high weather-resistant coating, belonging to the field of chemical industry. The invention relates to a surface treatment process of titanium dioxide special for high weather-resistant paint, which comprises the following steps of (1) pulping and dispersing titanium dioxide powder; (2) adding a certain proportion of titanium-containing salt to carry out titanium coating; (3) adding sodium hexametaphosphate and dispersing again; (4) raising the temperature of the slurry to 85-95 ℃, adding sodium silicate for curing, and then adjusting the pH value to 4.5-5.5 by using dilute sulfuric acid; (5) cooling the slurry to 50-65 ℃, adding aluminum sulfate, stirring for reaction, and then adjusting the pH of the slurry to 7.5-8.2 by using liquid alkali; (6) washing, adding organic treating agent, and jet milling to obtain the product. The invention carries out titanium, silicon and aluminum inorganic coating on the surface of titanium white, thereby achieving the purpose of improving the weather resistance of the titanium white in the coating.
Description
Technical Field
The invention belongs to the field of chemical industry, relates to an inorganic coating method of titanium dioxide, and particularly relates to a surface treatment process of special titanium dioxide for a high weather-resistant coating.
Background
Titanium dioxide is widely applied to the fields of coatings, plastics, papermaking, printing ink, cosmetics, rubber and the like as a white pigment, and with the continuous expansion of the application field of titanium dioxide, such as outdoor building coatings, aircraft and ship coatings, high-end furniture paints and the like, the weather resistance requirement of the titanium dioxide in the fields is extremely high, and in order to meet the weather resistance requirement of the titanium dioxide in special fields, the research and development of the special titanium dioxide for the high-weather-resistance paint become more and more important. At present, the weather resistance of titanium dioxide of more manufacturers at home and abroad is mainly improved by coating a compact silicon film layer. The preparation process of the compact silicon has high requirement on temperature, even reaches a slightly boiling state, the coating material has a phenomenon of pseudo-thickening during washing, the production equipment has high requirement, the production cost is high, the silicon reaction activity is high at high temperature, the reaction speed is not easy to control, the density of a generated film layer is not uniform, and the weather resistance of the titanium dioxide to the coating is not obviously improved.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a special titanium dioxide surface treatment process for a high weather-resistant coating, which comprises the following steps:
(1) Adding a dispersant solution into the titanium dioxide slurry for pulping and dispersing;
(2) Adding titanium-containing salt solution according to a certain proportion, and stirring at 45-65 ℃ for 30-60 min;
(3) adding sodium hexametaphosphate and dispersing again;
(4) Raising the temperature of the slurry to 85-95 ℃, adding sodium silicate for curing, then adjusting the pH value to 4.5-5.5 by using dilute sulfuric acid, and stirring;
(5) Cooling the slurry to 50-65 ℃, adding aluminum sulfate, stirring for reaction, then adjusting the pH of the slurry to 7.5-8.2 by using liquid alkali, and stirring;
(6) Washing, adding organic treating agent, and jet milling to obtain the product.
wherein the dispersant solution in the step (1) is a compound solution of sodium hexametaphosphate and sodium hydroxide, and the addition amount of the sodium hexametaphosphate and the sodium hydroxide is TiO in the titanium dioxide slurry20.1-0.5% of the mass.
The dispersing agent solution of the invention compounds sodium hexametaphosphate and sodium hydroxide, and can better control the pH of the titanium dioxide slurry within the required range while dispersing.
Preferably, the dispersant solution is prepared into a compound solution with the solid content of 100-300 g/L.
Wherein, the concentration of the titanium dioxide dispersed in the step (1) after pulping is controlled to be 220g/L-450g/L, the PH is controlled to be 9.0-10.5, the viscosity of the pulp is controlled to be less than 50mpas, and the temperature is controlled to be 45-65 ℃.
The titanium-containing salt solution in the step (2) is titanyl sulfate solution or titanium tetrachloride solution.
by adding the titanium-containing solution, the titanium-titanium binding capacity is better than that of titanium-silicon, so that the photochemical active sites of titanium dioxide can be effectively shielded, the ultraviolet resistance of titanium dioxide is improved, and the aim of improving weather resistance is fulfilled.
Wherein the titanium-containing salt solution in the step (2) is added in TiO2Calculated as TiO in the slurry21-5% of the mass.
Preferably, the titanium-containing salt solution is TiO2The concentration is 100-200 g/L.
Wherein the addition amount of the sodium hexametaphosphate in the step (3) is TiO in the slurry20.1-0.2% of the mass.
After the titanium-containing solution is added, the viscosity of the system is increased, and the addition of the sodium hexametaphosphate dispersant reduces the viscosity of the solution and ensures that the titanium dioxide slurry in the titanium-containing solution is uniformly dispersed.
wherein the sodium silicate in the step (4) is added in SiO2Calculated as TiO in the slurry21-5% of the mass.
Preferably, the sodium silicate is added over a period of 180 to 240 minutes.
Wherein the aluminum sulfate in the step (5) is added in Al2O3calculated as TiO in the slurry22 to 5 percent of the mass.
Preferably, the aluminium sulphate is added in the form of a solution with a concentration of 100-300g/L calculated as alumina.
Wherein, the resistance is washed to be more than 80 ohm.m in the step (6), the organic treating agent is added, and the air flow is crushed to be the product.
Specifically, the titanium dioxide powder is uniformly stirred in distilled water, and the resistance of the mixed solution is measured by a conductivity meter.
the invention has the beneficial effects that:
The invention carries out inorganic coating of titanium, silicon and aluminum on the surface of titanium dioxide, achieves the aim of improving the weather resistance of the titanium dioxide in the coating, and is close to the application indexes of similar coating products abroad in the indexes of weather resistance, acid solubility, light loss and the like.
Drawings
FIG. 1 is a TEM image of coated titanium white obtained in example 1 of the present invention.
Detailed Description
the invention adopts a new titanium dioxide surface treatment method, and achieves the purpose of preliminarily reducing the photochemical activity of the titanium dioxide surface by coating a uniform and compact titanium film layer on the titanium dioxide particle surface; then, carrying out coating treatment on compact silicon, and finally forming a uniform compact continuous silicon film layer by controlling the coating temperature and PH under the condition of not damaging the compactness of the silicon film layer; and finally, forming an amorphous alumina film layer on the outer layer of the titanium dioxide by utilizing the compactness of amorphous alumina, and endowing the titanium dioxide with high weather resistance.
the present invention will be further explained and illustrated by the following examples and performance examples, in which the dispersing agent and the coating material are added in amounts of the respective active ingredients in accordance with the amount of TiO in the slurry2the mass of (2) is calculated.
Example 1
The method for preparing a primary titanium dioxide article according to an exemplary embodiment of the present invention includes the steps of:
1) Adding a dispersing agent which is prepared by mixing sodium hexametaphosphate and sodium hydroxide according to the proportion that the solid content of titanium dioxide is 0.1 percent, controlling the pulping concentration of the titanium dioxide to be 220g/L, controlling the pH to be 9.5, controlling the viscosity of the slurry to be less than 50mpas, and controlling the temperature to be 45 ℃;
2) Adding titanyl sulfate solution according to the proportion of 1%, controlling the temperature at 45 ℃, and stirring for 60 minutes;
3) Adding 0.1% of sodium hexametaphosphate, and dispersing the slurry again;
4) heating the slurry to 85 ℃, slowly adding 1% of sodium silicate within 180-240 minutes, curing for 1 hour, adding 10% of dilute sulfuric acid to adjust the pH value to 4.5, and stirring for 30 minutes.
5) Cooling the slurry to 50 ℃, adding 2% of aluminum sulfate, stirring for 2 hours, then adjusting the pH of the slurry to 7.5 by using 10% of liquid alkali for 1-2 hours, and stirring for 2 hours;
6) Washing resistance is higher than 80 ohm/meter, organic treating agent is added, and the product is obtained after airflow crushing, a TEM electron microscope picture of the product is shown in figure 1, and the titanium-silicon-aluminum coated product is observed through the TEM electron microscope picture, and the coating layer is very compact.
Example 2
the method for preparing a primary titanium dioxide article according to an exemplary embodiment of the present invention includes the steps of:
1) Adding a dispersing agent which is prepared by mixing sodium hexametaphosphate and sodium hydroxide, and adding the dispersing agent according to the proportion that the solid content of titanium dioxide is 0.5%, wherein the pulping concentration of the titanium dioxide is controlled to be 450g/L, the pH is controlled to be 10.5, the viscosity of the slurry is controlled to be less than 50mpas, and the temperature is controlled to be 65 ℃;
2) Adding titanyl sulfate solution according to the proportion of 5%, controlling the temperature at 45-65 ℃, and stirring for 60 minutes;
3) Adding 0.2% of sodium hexametaphosphate, and dispersing the slurry again;
4) heating the slurry to 95 ℃, slowly adding 5% of sodium silicate within 180-240 minutes, curing for 1 hour, adding 10-15% of dilute sulfuric acid to adjust the pH value to 5.5, and stirring for 30 minutes;
5) cooling the slurry to 65 ℃, adding 5% of aluminum sulfate, stirring for 2 hours, then adjusting the pH of the slurry to 8.2 by using 20% of liquid alkali within 1-2 hours, and stirring for 2 hours;
6) and washing the resistor to be more than 80 ohm/meter, adding an organic treating agent, and performing jet milling to obtain the product.
Example 3
the method for preparing a primary titanium dioxide article according to an exemplary embodiment of the present invention includes the steps of:
1) adding a dispersing agent which is prepared by mixing sodium hexametaphosphate and sodium hydroxide, and adding the dispersing agent according to the proportion that the solid content of titanium dioxide is 0.25%, wherein the pulping concentration of the titanium dioxide is controlled to be 350g/L, the pH is controlled to be 9.5, the viscosity of the slurry is controlled to be less than 50mpas, and the temperature is controlled to be 60 ℃;
2) Adding titanyl sulfate solution according to the proportion of 2.5%, controlling the temperature at 55 ℃, and stirring for 60 minutes;
3) Adding 0.15% of sodium hexametaphosphate, and dispersing the slurry again;
4) Heating the slurry to 90 ℃, slowly adding 2.5% of sodium silicate within 180-240 minutes, curing for 1 hour, adding 12% of dilute sulfuric acid to adjust the pH value to 5.0, and stirring for 30 minutes;
5) Cooling the slurry to 60 ℃, adding 2.5% of aluminum sulfate, stirring for 2 hours, then adjusting the pH of the slurry to 7.8 with 15% of liquid alkali in 1.5 hours, and stirring for 2 hours;
6) And washing the resistor to be more than 80 ohm/meter, adding an organic treating agent, and performing jet milling to obtain the product.
Comparative example of Performance
Under the condition of the same addition proportion, the influence of the two coating modes of the titanium silicon aluminum coating and the silicon aluminum coating on the deposition rate of silicon aluminum is compared, and the result is shown in table 1.
TABLE 1 comparison of silicon-aluminum deposition rates for two coating modes
It can be seen from table 1 that the coating efficiency of silicon and aluminum is improved after titanium coating is performed on the surface of the titanium white powder.
The weather resistance of the samples prepared in examples 1 to 3 was compared with that of foreign dense silicon-coated product standards, and the results are shown in Table 2.
the weather resistance of the coating is a test item reflecting the atmospheric aging resistance of the coating, an artificial aging instrument is used for testing, and after a sample is subjected to an aging test in the artificial accelerated aging instrument according to a specified time, the surface change condition of the sample is observed to evaluate the performance of the sample.
weather resistance evaluation method: adding titanium dioxide into an alkyd resin system to prepare paint, spraying paint on a sample plate, naturally drying to prepare a coating sheet, putting the coating sheet into a QUV aging machine, accelerating and aging for 1000 hours, and calculating a delta E value by measuring an LAB value on a CM-5 colorimeter according to the sample plate to perform weather resistance evaluation; the ability of the sample to distort color before and after aging is characterized by the loss of light. The gloss loss was measured at an angle of 45 ° using a GZ-ii type electroglossmeter, and (%) (gloss before aging-gloss after aging) ÷ gloss before aging × 100.
TABLE 2 comparison of the weathering resistance of foreign high weather resistance titanium white samples with the paint film sample prepared from titanium white of the present invention
| Acid solubility% | Weather-proof delta E1000 h | Light loss rate% 1000h | |
| Foreign standard sample | 2.5 | 2.2 | 81 |
| Example 1 | 2.9 | 2.1 | 82 |
| example 2 | 3.2 | 2.3 | 85 |
| Example 3 | 2.6 | 2.3 | 80 |
as can be seen from the data in Table 2, the prepared sample is close to the application indexes of similar foreign coating products in the indexes of weather resistance, acid solubility, light loss and the like. Meanwhile, the titanium chloride white product obtained by the titanium, silicon and aluminum coating process is applied to weather-resistant paint, and the application of the product is close to and reaches the foreign compact silicon coated titanium white product.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
in addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (10)
1. the surface treatment process of the special titanium dioxide for the high weather-resistant paint is characterized by comprising the following steps of:
(1) Adding a dispersant solution into the titanium dioxide slurry for pulping and dispersing;
(2) adding titanium-containing salt solution according to a certain proportion, and stirring at 45-65 ℃ for 30-60 min;
(3) Adding sodium hexametaphosphate and dispersing again;
(4) Raising the temperature of the slurry to 85-95 ℃, adding sodium silicate for curing, then adjusting the pH value to 4.5-5.5 by using dilute sulfuric acid, and stirring;
(5) Cooling the slurry to 50-65 ℃, adding aluminum sulfate, stirring for reaction, then adjusting the pH of the slurry to 7.5-8.2 by using liquid alkali, and stirring;
(6) Washing, adding organic treating agent, and jet milling to obtain the product.
2. The surface treatment process of the special titanium dioxide for the high weather-resistant paint, which is claimed in claim 1, is characterized in that: the dispersant solution in the step (1) is a compound solution of sodium hexametaphosphate and sodium hydroxide, and the addition amount of the sodium hexametaphosphate and the sodium hydroxide is TiO in the titanium dioxide slurry20.1-0.5% of the mass.
3. The surface treatment process of the special titanium dioxide for the high weather-resistant paint as claimed in claim 1 or 2, which is characterized in that: in the step (1), the pulping concentration of titanium dioxide is controlled to be 220g/L-450g/L, the PH is controlled to be 9.0-10.5, the viscosity of the slurry is controlled to be less than 50mpas, and the temperature is controlled to be 45-65 ℃.
4. The surface treatment process of the special titanium dioxide for the high weather-resistant paint as claimed in any one of claims 1 to 3, which is characterized in that: the titanium-containing salt solution in the step (2) is titanyl sulfate solution or titanium tetrachloride solution.
5. The surface treatment process of the special titanium dioxide for the high weather-resistant paint, which is claimed in claim 4, is characterized in that: the addition amount of the titanium-containing salt solution in the step (2) is TiO2Calculated as TiO in the slurry21-5% of the mass.
6. The surface treatment process of the special titanium dioxide for the high weather-resistant paint as claimed in any one of claims 1 to 5, which is characterized in that: the addition amount of the sodium hexametaphosphate in the step (3) is TiO in the titanium dioxide slurry20.1-0.2% of the mass.
7. The surface treatment process of the special titanium white for the high weather-resistant paint as claimed in any one of claims 1 to 6, which is characterized in that: the adding amount of the sodium silicate added in the step (4) is SiO2calculated as TiO in the slurry21-5% of the mass.
8. The surface treatment process of the special titanium white for the high weather-resistant paint as claimed in any one of claims 1 to 7, which is characterized in that: the addition amount of the aluminum sulfate in the step (5) is Al2O3calculated as TiO in the slurry22 to 5 percent of the mass.
9. The surface treatment process of the special titanium dioxide for the high weather-resistant paint, which is claimed in claim 1, is characterized in that: washing until the resistance of the mixed solution of the titanium white and the water is more than 80 ohm-meter; the organic treating agent is modified polydimethylsiloxane and/or trimethylolpropane.
10. The titanium white specially used for the high weather-resistant coating prepared by the surface treatment process of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910899180.4A CN110564182A (en) | 2019-09-23 | 2019-09-23 | surface treatment process of special titanium dioxide for high weather-resistant paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910899180.4A CN110564182A (en) | 2019-09-23 | 2019-09-23 | surface treatment process of special titanium dioxide for high weather-resistant paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110564182A true CN110564182A (en) | 2019-12-13 |
Family
ID=68781866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910899180.4A Pending CN110564182A (en) | 2019-09-23 | 2019-09-23 | surface treatment process of special titanium dioxide for high weather-resistant paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110564182A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324919A (en) * | 2021-05-24 | 2021-08-31 | 龙佰四川钛业有限公司 | Titanium dioxide oil absorption detection method |
| CN114367260A (en) * | 2021-12-29 | 2022-04-19 | 龙佰禄丰钛业有限公司 | Titanium white powder coating production system |
| CN115584198A (en) * | 2022-10-21 | 2023-01-10 | 永记造漆工业（昆山）有限公司 | Environment-friendly polyurethane coating and preparation method thereof |
| CN115772337A (en) * | 2022-11-30 | 2023-03-10 | 攀钢集团研究院有限公司 | Special high-weather-resistance titanium dioxide enveloping method for wind power blade coating |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2042693C1 (en) * | 1993-06-19 | 1995-08-27 | Нина Николаевна Стремилова | Method of modifying pigment titanium dioxide |
| CN101880479A (en) * | 2010-06-25 | 2010-11-10 | 宁波新福钛白粉有限公司 | Method for producing special rutile type titanium white powder for power coating |
| CN110204928A (en) * | 2019-07-03 | 2019-09-06 | 上海颜钛实业有限公司 | A kind of high durable titanium white production method |
-
2019
- 2019-09-23 CN CN201910899180.4A patent/CN110564182A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2042693C1 (en) * | 1993-06-19 | 1995-08-27 | Нина Николаевна Стремилова | Method of modifying pigment titanium dioxide |
| CN101880479A (en) * | 2010-06-25 | 2010-11-10 | 宁波新福钛白粉有限公司 | Method for producing special rutile type titanium white powder for power coating |
| CN110204928A (en) * | 2019-07-03 | 2019-09-06 | 上海颜钛实业有限公司 | A kind of high durable titanium white production method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113324919A (en) * | 2021-05-24 | 2021-08-31 | 龙佰四川钛业有限公司 | Titanium dioxide oil absorption detection method |
| CN113324919B (en) * | 2021-05-24 | 2022-10-25 | 龙佰四川钛业有限公司 | Titanium dioxide oil absorption detection method |
| CN114367260A (en) * | 2021-12-29 | 2022-04-19 | 龙佰禄丰钛业有限公司 | Titanium white powder coating production system |
| CN115584198A (en) * | 2022-10-21 | 2023-01-10 | 永记造漆工业（昆山）有限公司 | Environment-friendly polyurethane coating and preparation method thereof |
| CN115772337A (en) * | 2022-11-30 | 2023-03-10 | 攀钢集团研究院有限公司 | Special high-weather-resistance titanium dioxide enveloping method for wind power blade coating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110564182A (en) | surface treatment process of special titanium dioxide for high weather-resistant paint | |
| WO2007097284A1 (en) | Uniformly dispersed photocatalyst coating liquid, method for producing same, and photocatalytically active composite material obtained by using same | |
| KR102363183B1 (en) | Manufacturing method of coated pigment | |
| CN101885926A (en) | Method for producing rutile type titanium white powder with high hiding power | |
| CN102344698B (en) | Inorganic compound coating titanium dioxide and preparation method thereof | |
| CN112745726A (en) | High-performance organic-inorganic composite heat-reflection waterproof coating, and preparation method and application thereof | |
| CN106833031B (en) | High temperature resistant weather resistant pearl pigment and preparation method thereof | |
| CN103635542A (en) | Treated inorganic particle | |
| CN109627931B (en) | Outdoor silvery powder coating and preparation method thereof | |
| CN101921498A (en) | Preparation method of titanium dioxide pigment with favorable dispersibility | |
| CN110028812B (en) | Special preparation method for improving weather resistance of titanium dioxide | |
| CN108410017A (en) | A kind of preparation method for the high-dispersion barium sulfate composite material in plastic matrix | |
| CN112480718B (en) | High-gloss high-weatherability titanium dioxide and preparation method thereof | |
| CN111019402A (en) | Preparation method of high-weather-resistance titanium dioxide | |
| CN116218293A (en) | High weather-resistant exterior wall coating | |
| CN110484106A (en) | A kind of artificial color sand slurry, the artificial color sand of high abrasion and preparation method thereof | |
| EP2726556B1 (en) | Treated inorganic pigments having reduced photoactivity and improved anti-microbial properties and their use in coating compositions | |
| CN110615996B (en) | Surface treatment process of special titanium dioxide for water-based paint | |
| CN111621171B (en) | Method for improving compactness of silicon dioxide coating layer on surface of titanium dioxide | |
| CN111286217B (en) | Cobalt blue sepiolite nano composite pigment, preparation method and application thereof | |
| CN111410910A (en) | Antifouling self-cleaning coating and preparation method thereof | |
| CN110951282A (en) | Preparation method for improving weather resistance of titanium dioxide | |
| CN117210080B (en) | Preparation method and application of anti-pollution water-based paint for inner wall of high-speed rail | |
| CN114149696B (en) | Modified calcium carbonate, preparation method, aging-resistant exterior wall coating and application | |
| CN101182399A (en) | Method for preparing high-current-shock resistant nano powder-organic resin composite insulating coating material |
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 |
Application publication date: 20191213 |
|
| RJ01 | Rejection of invention patent application after publication |