CN115322591A - High-weather-resistance titanium dioxide for automobile panel - Google Patents
High-weather-resistance titanium dioxide for automobile panel Download PDFInfo
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- CN115322591A CN115322591A CN202210886042.4A CN202210886042A CN115322591A CN 115322591 A CN115322591 A CN 115322591A CN 202210886042 A CN202210886042 A CN 202210886042A CN 115322591 A CN115322591 A CN 115322591A
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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
- 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
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- 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
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- 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
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- 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
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- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/10—Treatment with macromolecular organic compounds
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- 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
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Abstract
The invention discloses high-weather-resistance titanium dioxide for an automobile panel, which comprises the following raw materials in parts by weight: 30-40 parts of rutile titanium dioxide, 25-35 parts of calcined kaolin, 5-10 parts of styrene-acrylic emulsion, 5-8 parts of calcium carbonate, 1-5 parts of bentonite modifier, 1-2 parts of stearate, 1-2 parts of silane coupling agent and 0.5-1 part of whitening agent. The high-weatherability titanium dioxide for the automobile panel improves the weatherability of the titanium dioxide, improves the glossiness and the whiteness of the titanium dioxide, and has the characteristics of higher dirt resistance and bright appearance by the addition of the styrene-acrylic emulsion, the calcium carbonate, the stearate and the whitening agent and the synergistic action among the components.
Description
Technical Field
The invention relates to the technical field of titanium dioxide, in particular to high-weather-resistance titanium dioxide for an automobile panel.
Background
Titanium dioxide is known as titanium dioxide, belongs to inert pigment, is considered to be white pigment with the best performance in the world at present, and is widely applied to paint, plastics, papermaking, printing ink, chemical fibers and rubber.
The traditional titanium dioxide for the automobile panel has poor weather resistance, glossiness and whiteness, and the performance needs to be further improved.
Disclosure of Invention
The invention aims to provide high-weather-resistance titanium dioxide for an automobile panel to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the high-weather-resistance titanium dioxide for the automobile panel comprises the following raw materials in parts by weight:
30-40 parts of rutile titanium dioxide, 25-35 parts of calcined kaolin, 5-10 parts of styrene-acrylic emulsion, 5-8 parts of calcium carbonate, 1-5 parts of bentonite modifier, 1-2 parts of stearate, 1-2 parts of silane coupling agent and 0.5-1 part of whitening agent.
Preferably, the high-weatherability titanium dioxide used for the automobile panel comprises the following raw materials in parts by weight:
35 parts of rutile titanium dioxide, 30 parts of calcined kaolin, 7.5 parts of styrene-acrylic emulsion, 6.5 parts of calcium carbonate, 3 parts of bentonite modifier, 1.5 parts of stearate, 1.5 parts of silane coupling agent and 0.8 part of whitening agent.
Preferably, the preparation method of the calcined kaolin comprises the following steps:
the method comprises the following steps: selecting ores, crushing the ores, and grinding the ores into powder of less than 325 meshes to prepare a grinding material;
step two: carrying out pulping step treatment on the ground grinding material, and carrying out ultrafine grinding to 4500-6000 meshes;
step three: drying and scattering the ultrafine crushed powder slurry, feeding the powder slurry into a calcining furnace for calcining, and adding a whitening aid during calcining to prepare the calcined kaolin.
Preferably, the selected ore is 45-55mm in diameter.
Preferably, the rotation speed of the grinding treatment is 1000-1500r/min, and the grinding time is 35-45min.
Preferably, the calcining temperature of the calcining furnace is 970-990 ℃, and the calcining time is 30-40 minutes.
Preferably, the preparation method of the whitening assistant comprises the following steps: mixing clean coal, sodium sulfate and sodium chloride according to the weight ratio of 10: 0.3: 0.2, stirring at the rotating speed of 600-800r/min for 35-45min, and obtaining the dispersing agent after stirring.
Preferably, the preparation method of the bentonite composite modifier comprises the following steps: mixing bentonite and graphene according to a weight ratio of 2:1, then adding the mixture into a grinding machine for grinding, after grinding, feeding the mixture into a hot-pressing and calcining machine at 350-450 ℃ for 15-25min, wherein the calcining pressure is 1-5MPa, and after calcining, obtaining the bentonite composite modifier.
Preferably, the grinding rotating speed of the grinding machine is 1200-1500r/min, and the grinding time is 25-35min.
Preferably, the silane coupling agent is one or a mixture of gamma-chloropropyltriethoxysilane and 3-aminopropyltrimethoxysilane.
Compared with the prior art, the invention has the following beneficial effects:
the high-weather-resistance titanium dioxide for the automobile panel improves the weather resistance of the titanium dioxide, improves the glossiness and the whiteness of the titanium dioxide, and has the characteristics of higher dirt resistance and bright appearance through the addition of the styrene-acrylic emulsion, the calcium carbonate, the stearate and the whitening agent and the synergistic action among the components.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The high weather resistance titanium dioxide for the automobile panel comprises the following raw materials in parts by weight:
30-40 parts of rutile titanium dioxide, 25-35 parts of calcined kaolin, 5-10 parts of styrene-acrylic emulsion, 5-8 parts of calcium carbonate, 1-5 parts of bentonite modifier, 1-2 parts of stearate, 1-2 parts of silane coupling agent and 0.5-1 part of whitening agent.
The high-weatherability titanium dioxide for the automobile panel comprises the following raw materials in parts by weight:
35 parts of rutile titanium dioxide, 30 parts of calcined kaolin, 7.5 parts of styrene-acrylic emulsion, 6.5 parts of calcium carbonate, 3 parts of bentonite modifier, 1.5 parts of stearate, 1.5 parts of silane coupling agent and 0.8 part of whitening agent.
The preparation method of the calcined kaolin of the present example is:
the method comprises the following steps: selecting ores, crushing the ores, and grinding the ores into powder of less than 325 meshes to prepare a grinding material;
step two: carrying out pulping step treatment on the ground grinding material, and carrying out ultrafine grinding to 4500-6000 meshes;
step three: drying and scattering the ultrafine-crushed powder slurry, feeding the powder slurry into a calcining furnace for calcining, and adding a whitening aid during calcining to prepare the calcined kaolin.
The selected ore in this example is 45-55mm in diameter.
The rotation speed of the grinding treatment in the embodiment is 1000-1500r/min, and the grinding time is 35-45min.
The calcining temperature of the calcining furnace in the embodiment is 970-990 ℃, and the calcining time is 30-40 minutes.
The preparation method of the whitening aid of the embodiment comprises the following steps: mixing clean coal, sodium sulfate and sodium chloride according to the weight ratio of 10: 0.3: 0.2, stirring at the rotating speed of 600-800r/min for 35-45min, and obtaining the dispersing agent after stirring.
The preparation method of the bentonite composite modifier in the embodiment comprises the following steps: mixing bentonite and graphene according to a weight ratio of 2:1, then adding the mixture into a grinding machine for grinding, after grinding, feeding the mixture into a hot-pressing and calcining machine at 350-450 ℃ for 15-25min, wherein the calcining pressure is 1-5MPa, and after calcining, obtaining the bentonite composite modifier.
The grinding speed of the grinder of the embodiment is 1200-1500r/min, and the grinding time is 25-35min.
The silane coupling agent of the embodiment is one or a mixture of gamma-chloropropyltriethoxysilane and 3-aminopropyltrimethoxysilane.
Example 1:
the high weather resistance titanium dioxide for the automobile panel comprises the following raw materials in parts by weight:
30 parts of rutile titanium dioxide, 25 parts of calcined kaolin, 5 parts of styrene-acrylic emulsion, 5 parts of calcium carbonate, 1 part of bentonite modifier, 1 part of stearate, 1 part of silane coupling agent and 0.5 part of whitening agent.
The preparation method of the calcined kaolin of the present example is:
the method comprises the following steps: selecting ores, crushing the ores, and grinding the ores into powder of less than 325 meshes to prepare a grinding material;
step two: pulping the ground grinding material, and performing superfine grinding to 4500 meshes;
step three: drying and scattering the ultrafine-crushed powder slurry, feeding the powder slurry into a calcining furnace for calcining, and adding a whitening aid during calcining to prepare the calcined kaolin.
The selected ore of this example is 45 diameter size.
The rotation speed of the polishing treatment in this example was 1000r/min, and the polishing time was 35min.
The calcination temperature of the calciner of this example was 970 ℃ and the calcination time was 30 minutes.
The preparation method of the whitening assistant in the embodiment comprises the following steps: mixing clean coal, sodium sulfate and sodium chloride according to the weight ratio of 10: 0.3: 0.2, stirring at the rotating speed of 600r/min for 35min, and obtaining the dispersing agent after the stirring is finished.
The preparation method of the bentonite composite modifier comprises the following steps: mixing bentonite and graphene according to a weight ratio of 2:1, then adding the mixture into a grinding machine for grinding, after grinding, feeding the mixture into a hot-pressing and calcining machine at 350 ℃ for 15min, wherein the calcining pressure is 1MPa, and after calcining, obtaining the bentonite composite modifier.
The grinding speed of the grinder of the embodiment is 1200r/min, and the grinding time is 25min.
The silane coupling agent of the embodiment is one or a mixture of gamma-chloropropyltriethoxysilane and 3-aminopropyltrimethoxysilane.
Example 2:
the high weather resistance titanium dioxide for the automobile panel comprises the following raw materials in parts by weight:
40 parts of rutile titanium dioxide, 35 parts of calcined kaolin, 10 parts of styrene-acrylic emulsion, 8 parts of calcium carbonate, 5 parts of bentonite modifier, 2 parts of stearate, 2 parts of silane coupling agent and 1 part of whitening agent.
The preparation method of the calcined kaolin of the present example is:
the method comprises the following steps: selecting ores, crushing the ores, and grinding the ores into powder of less than 325 meshes to prepare a grinding material;
step two: carrying out pulping step treatment on the ground grinding material, and carrying out ultrafine grinding to 6000 meshes;
step three: drying and scattering the ultrafine-crushed powder slurry, feeding the powder slurry into a calcining furnace for calcining, and adding a whitening aid during calcining to prepare the calcined kaolin.
The selected ore of this example is 55mm in diameter.
The rotation speed of the polishing treatment in this example was 1500r/min, and the polishing time was 45min.
The calcination temperature of the calciner of this example was 990 ℃ and the calcination time was 40 minutes.
The preparation method of the whitening assistant in the embodiment comprises the following steps: mixing clean coal, sodium sulfate and sodium chloride according to the weight ratio of 10: 0.3: 0.2, stirring at the rotating speed of 800r/min for 45min, and obtaining the dispersing agent after stirring.
The preparation method of the bentonite composite modifier comprises the following steps: mixing bentonite and graphene according to a weight ratio of 2:1, then adding the mixture into a grinding machine for grinding, after grinding, feeding the mixture into a hot-pressing and calcining machine at 450 ℃ for 25min, wherein the calcining pressure is 5MPa, and after calcining, obtaining the bentonite composite modifier.
The grinding speed of the grinder of the embodiment is 1500r/min, and the grinding time is 35min.
The silane coupling agent of the embodiment is one or a mixture of gamma-chloropropyltriethoxysilane and 3-aminopropyltrimethoxysilane.
Example 3:
the high weather resistance titanium dioxide for the automobile panel comprises the following raw materials in parts by weight:
35 parts of rutile titanium dioxide, 30 parts of calcined kaolin, 7.5 parts of styrene-acrylic emulsion, 6.5 parts of calcium carbonate, 3 parts of bentonite modifier, 1.5 parts of stearate, 1.5 parts of silane coupling agent and 0.8 part of whitening agent.
The preparation method of the calcined kaolin of the present example is:
the method comprises the following steps: selecting ores, crushing the ores, and grinding the ores into powder of less than 325 meshes to prepare a grinding material;
step two: pulping the ground grinding material, and performing superfine grinding to 5250 meshes;
step three: drying and scattering the ultrafine-crushed powder slurry, feeding the powder slurry into a calcining furnace for calcining, and adding a whitening aid during calcining to prepare the calcined kaolin.
The selected ore of this example is 50mm in diameter.
The rotation speed of the grinding treatment in this example was 1250r/min, and the grinding time was 40min.
The calcination temperature of the calciner of this example was 980 ℃ and the calcination time was 35 minutes.
The preparation method of the whitening assistant in the embodiment comprises the following steps: mixing clean coal, sodium sulfate and sodium chloride according to the weight ratio of 10: 0.3: 0.2, stirring at the rotating speed of 700r/min for 40min, and obtaining the dispersing agent after the stirring.
The preparation method of the bentonite composite modifier comprises the following steps: mixing bentonite and graphene according to a weight ratio of 2:1, then adding the mixture into a grinding machine for grinding, after grinding, feeding the mixture into a hot-pressing and calcining machine at 400 ℃ for 20min, wherein the calcining pressure is 3MPa, and after calcining, obtaining the bentonite composite modifier.
The grinding speed of the grinder of this example was 1350r/min and the grinding time was 30min.
The silane coupling agent of the embodiment is one or a mixture of gamma-chloropropyltriethoxysilane and 3-aminopropyltrimethoxysilane.
Example 4:
the high weather resistance titanium dioxide for the automobile panel comprises the following raw materials in parts by weight:
32 parts of rutile titanium dioxide, 28 parts of calcined kaolin, 6 parts of styrene-acrylic emulsion, 6.2 parts of calcium carbonate, 2 parts of bentonite modifier, 1.3 parts of stearate, 1.3 parts of silane coupling agent and 0.6 part of whitening agent.
The preparation method of the calcined kaolin of the present example is:
the method comprises the following steps: selecting ores, crushing the ores, and grinding the ores into powder of less than 325 meshes to prepare a grinding material;
step two: pulping the ground grinding material, and performing superfine grinding to 4900 meshes;
step three: drying and scattering the ultrafine-crushed powder slurry, feeding the powder slurry into a calcining furnace for calcining, and adding a whitening aid during calcining to prepare the calcined kaolin.
The selected ore of this example is 47mm diameter size.
The rotational speed of the polishing treatment in this example was 1100r/min, and the polishing time was 36min.
The calcination temperature of the calciner of this example was 975 ℃ and the calcination time was 32 minutes.
The preparation method of the whitening assistant in the embodiment comprises the following steps: mixing clean coal, sodium sulfate and sodium chloride according to the weight ratio of 10: 0.3: 0.2, stirring at the rotating speed of 650r/min for 36min, and obtaining the dispersing agent after stirring.
The preparation method of the bentonite composite modifier in the embodiment comprises the following steps: mixing bentonite and graphene according to a weight ratio of 2:1, then adding the mixture into a grinding machine for grinding, after grinding, feeding the mixture into a hot-pressing and calcining machine at 370 ℃ for 17min, wherein the calcining pressure is 2MPa, and after calcining, obtaining the bentonite composite modifier.
The grinding speed of the grinder of the embodiment is 1300r/min, and the grinding time is 27min.
The silane coupling agent of the embodiment is one or a mixture of gamma-chloropropyltriethoxysilane and 3-aminopropyltrimethoxysilane.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The high-weather-resistance titanium dioxide for the automobile panel is characterized by comprising the following raw materials in parts by weight:
30-40 parts of rutile titanium dioxide, 25-35 parts of calcined kaolin, 5-10 parts of styrene-acrylic emulsion, 5-8 parts of calcium carbonate, 1-5 parts of bentonite modifier, 1-2 parts of stearate, 1-2 parts of silane coupling agent and 0.5-1 part of whitening agent.
2. The high-weatherability titanium dioxide for automobile panels according to claim 1, wherein the high-weatherability titanium dioxide for automobile panels comprises the following raw materials in parts by weight:
35 parts of rutile titanium dioxide, 30 parts of calcined kaolin, 7.5 parts of styrene-acrylic emulsion, 6.5 parts of calcium carbonate, 3 parts of bentonite modifier, 1.5 parts of stearate, 1.5 parts of silane coupling agent and 0.8 part of whitening agent.
3. The highly weatherable titanium dioxide for automobile panels according to claim 1, wherein the calcined kaolin is prepared by the following steps:
the method comprises the following steps: selecting ores, crushing the ores, and grinding the ores into powder of less than 325 meshes to prepare a grinding material;
step two: carrying out pulping step treatment on the ground grinding material, and carrying out ultrafine grinding to 4500-6000 meshes;
step three: drying and scattering the ultrafine-crushed powder slurry, feeding the powder slurry into a calcining furnace for calcining, and adding a whitening aid during calcining to prepare the calcined kaolin.
4. The highly weatherable titanium dioxide for automotive panels according to claim 3, wherein said selected ore is 45-55mm in diameter.
5. The high weather resistance titanium dioxide for the automobile panel according to claim 3, wherein the rotation speed of the grinding treatment is 1000-1500r/min, and the grinding time is 35-45min.
6. The high weather resistance titanium white powder for automobile panels as claimed in claim 3, wherein the calcination temperature of the calciner is 970-990 ℃ and the calcination time is 30-40 minutes.
7. The high-weatherability titanium dioxide powder for automobile panels according to claim 3, wherein the whitening assistant is prepared by the following steps: mixing clean coal, sodium sulfate and sodium chloride according to the weight ratio of 10: 0.3: 0.2, stirring at the rotating speed of 600-800r/min for 35-45min, and obtaining the dispersing agent after the stirring is finished.
8. The high-weatherability titanium dioxide powder for automobile panels according to claim 1, wherein the preparation method of the bentonite composite modifier comprises the following steps: mixing bentonite and graphene according to a weight ratio of 2:1, then adding the mixture into a grinding machine for grinding, after grinding, feeding the mixture into a hot-pressing and calcining machine at 350-450 ℃ for 15-25min, wherein the calcining pressure is 1-5MPa, and after calcining, obtaining the bentonite composite modifier.
9. The highly weather-resistant titanium dioxide for automobile panels as claimed in claim 8, wherein the grinding speed of the grinding machine is 1200-1500r/min, and the grinding time is 25-35min.
10. The high weather resistance titanium white powder for the automobile panel according to claim 1, wherein the silane coupling agent is one or a mixture of gamma-chloropropyltriethoxysilane and 3-aminopropyltrimethoxysilane.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116554767A (en) * | 2023-03-28 | 2023-08-08 | 江苏镇钛化工有限公司 | Titanium dioxide for coating based on high temperature resistance and preparation process thereof |
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| CN116554767A (en) * | 2023-03-28 | 2023-08-08 | 江苏镇钛化工有限公司 | Titanium dioxide for coating based on high temperature resistance and preparation process thereof |
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