CN115678363A - High-covering-power ultra-white slurry and preparation method thereof - Google Patents
High-covering-power ultra-white slurry and preparation method thereof Download PDFInfo
- Publication number
- CN115678363A CN115678363A CN202211376794.2A CN202211376794A CN115678363A CN 115678363 A CN115678363 A CN 115678363A CN 202211376794 A CN202211376794 A CN 202211376794A CN 115678363 A CN115678363 A CN 115678363A
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- acrylic resin
- specific gravity
- cosolvent
- slurry
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- 239000002002 slurry Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000007613 slurry method Methods 0.000 title description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 21
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 21
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 19
- 239000006184 cosolvent Substances 0.000 claims abstract description 16
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- 230000003472 neutralizing effect Effects 0.000 claims abstract description 7
- 230000005484 gravity Effects 0.000 claims description 17
- 239000006185 dispersion Substances 0.000 claims description 15
- 238000000227 grinding Methods 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims 1
- 238000000576 coating method Methods 0.000 abstract description 2
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of coatings, in particular to high-coverage super-white slurry and a preparation method thereof, wherein the slurry comprises 9-10% of acrylic resin, 80-82% of titanium dioxide, 3.5-4.5% of a dispersing agent, 4-6% of a cosolvent and 0.1-1% of a neutralizing agent according to the weight ratio of components.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to high-covering-power ultra-white slurry and a preparation method thereof.
Background
White slurry is usually used for shading, decorating and other purposes outside a container, the dispersing process of titanium dioxide is limited, most manufacturers grind the white slurry to adopt the titanium dioxide content less than or equal to 70%, and the ground white slurry can be precipitated, yellowed and the like after being baked and stored for a period of time; the excessive titanium dioxide is added, so that the white slurry becomes viscous and is not easy to stir, the white slurry is dry, and the grinding difficulty is high, so that the subsequent grinding precision of the white slurry is influenced, and the covering degree of the white slurry is also influenced; therefore, there is a need for further improvements to the white pulp in response to at least one of the above problems.
Disclosure of Invention
The invention aims to provide a high-covering-power ultra-white slurry and a preparation method thereof, which are designed to solve at least one technical problem in the background art.
In order to achieve the purpose, the invention adopts the following scheme: the high-covering-power ultra-white slurry comprises, by weight, 9% -11% of acrylic resin, 80% -82% of titanium dioxide, 3.5% -4.5% of a dispersant, 4% -6% of a cosolvent and 0.1% -1% of a neutralizer.
Preferably, the acrylic resin is a modified acrylic resin, and the specific gravity of the modified acrylic resin is 9-11%.
Preferably, the acrylic resin has a specific gravity of 10%.
Preferably, the specific gravity of the titanium dioxide is 80.5%.
Preferably, the dispersant has a specific gravity of 4%.
Preferably, the cosolvent has a specific gravity of 5%.
Preferably, the specific gravity of the neutralizing agent is 0.5%.
A preparation method of high-hiding-performance ultra-white slurry comprises the following steps:
s1, mixing acrylic resin, a neutralizer, a dispersant and half of a cosolvent and placing the mixture into a dispersing machine;
s2, starting the dispersion machine, and starting the rotation speed of the dispersion machine to 250-350 revolutions per minute;
s3, after the rotating speed of the dispersion machine reaches 250-350 revolutions per minute, sequentially adding titanium dioxide and the other half of cosolvent;
s4, starting the rotating speed of the dispersion machine to 600-660 revolutions per minute, and stirring for 10-12 minutes to obtain fluid slurry containing particles;
and S5, grinding and refining the fluid slurry containing the particles in an environment with the ambient temperature of 60-70 ℃, and grinding for 7-10 hours to obtain the high-coverage ultra-white slurry.
The high-covering-capacity ultra-white slurry has the advantages that each component has characteristics, different performances are provided for the finally prepared slurry, the content of the titanium dioxide is improved, the covering degree of the slurry is higher, the white degree of the slurry is also improved, meanwhile, the dispersing agent generates a tensile force effect on the titanium dioxide, the precipitation amount of the titanium dioxide is reduced, and after the acrylic resin, the cosolvent and the neutralizing agent are matched, the slurry is in a pseudo-thick state, and the storage degree of the slurry is improved.
Detailed Description
In the description of the present invention, if an orientation description such as "upper", "lower", "front", "rear", "left", "right", etc. is referred to, it is only for convenience of description and simplicity of description, and it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. When a feature is referred to as being "disposed," "secured," or "connected" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, or connected to the other feature.
In the description of the present invention, if "a number" is referred to, it means one or more, if "a number" is referred to, it means two or more, if "more than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.
In addition, unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
Example 1: the high-covering-power ultra-white slurry comprises, by weight, 9% -11% of acrylic resin, 80% -82% of titanium dioxide, 3.5% -4.5% of a dispersant, 4% -6% of a cosolvent and 0.1% -1% of a neutralizer.
Preferably, the acrylic resin is a modified acrylic resin, and the specific gravity of the modified acrylic resin is 9-11%.
Preferably, the components of the cosolvent comprise white water prevention and propylene glycol methyl ether.
Preferably, the dispersant is a polymer of an aqueous silane and a polyol.
Example 2: the difference from example 1 is that: the acrylic resin has a specific gravity of 8%.
Example 3: the difference from example 1 or example 2 is that: the specific gravity of the titanium dioxide is 80.5%.
Example 4: the differences from example 1 or example 2 or example 3 are: the specific gravity of the dispersant is 4%.
Example 5: the difference from example 1 or example 2 or example 3 or example 4 is that: the cosolvent has a specific gravity of 5%.
Example 6: the difference from example 1 or example 2 or example 3 or example 4 or example 5 is that: the specific gravity of the neutralizing agent is 0.5%.
Example 7; a preparation method of high-hiding-performance ultra-white slurry comprises the following steps:
s1, mixing acrylic resin, a neutralizer, a dispersant and half of a cosolvent and placing the mixture into a dispersing machine;
s2, starting a dispersion machine, and starting the rotation speed of the dispersion machine to 250-350 revolutions per minute; optionally, starting the rotating speed of the dispersion machine to 300 revolutions per minute;
s3, after the rotating speed of the dispersion machine reaches 250-350 revolutions per minute, sequentially adding titanium dioxide and the other half of cosolvent; optionally, starting the rotating speed of the dispersion machine to 300 revolutions per minute;
s4, starting the rotating speed of the dispersion machine to 600-660 revolutions per minute, and stirring for 10-12 minutes to obtain fluid slurry containing particles; optionally, starting the rotating speed of the dispersion machine to 650 revolutions per minute; optionally stirring for 10 minutes;
and S5, grinding and refining the fluid slurry containing the particles in an environment with the ambient temperature of 60-70 ℃, and grinding for 7-10 hours to obtain the high-coverage super-white slurry. Alternatively, the ambient temperature is 65 ℃ and the milling time is 8 hours.
In the high-covering-capacity ultra-white slurry, each component has characteristics, different performances are provided for the finally prepared slurry, the content of titanium dioxide is improved, the covering degree of the slurry is higher, the white degree of the slurry is also improved, meanwhile, the dispersing agent generates a tension effect on the titanium dioxide, the precipitation amount of the titanium dioxide is reduced, and after the acrylic resin, the cosolvent and the neutralizing agent are matched, the slurry can be in a pseudo-thick state, and the storage degree of the slurry is improved.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A high-covering-power ultra-white slurry is characterized in that: the sizing agent comprises 9-11% of acrylic resin, 80-82% of titanium dioxide, 3.5-4.5% of dispersing agent, 4-6% of cosolvent and 0.1-1% of neutralizing agent according to the weight ratio of the components.
2. The high hiding ultra white paste of claim 1, wherein: the acrylic resin is modified acrylic resin, and the specific gravity of the modified acrylic resin is 9-11%.
3. The high hiding ultra white paste of claim 1, wherein: the specific gravity of the acrylic resin is 10%.
4. The high hiding ultra white paste of claim 1, wherein: the specific gravity of the titanium dioxide is 80.5%.
5. The high hiding ultra white paste of claim 1, wherein: the specific gravity of the dispersant is 4%.
6. The high hiding ultra white paste of claim 1, wherein: the proportion of the cosolvent is 5 percent.
7. The high hiding ultra white paste of claim 1, wherein: the specific gravity of the neutralizing agent is 0.5%.
8. The preparation method of the high-covering-power ultra-white slurry is characterized by comprising the following steps of:
s1, mixing acrylic resin, a neutralizer, a dispersant and half of a cosolvent and placing the mixture into a dispersing machine;
s2, starting a dispersion machine, and starting the rotation speed of the dispersion machine to 250-350 revolutions per minute;
s3, after the rotating speed of the dispersion machine reaches 250-350 revolutions per minute, sequentially adding titanium dioxide and the other half of cosolvent;
s4, starting the rotating speed of the dispersion machine to 600-660 revolutions per minute, and stirring for 10-12 minutes to obtain fluid slurry containing particles;
and S5, grinding and refining the fluid slurry containing the particles in an environment with the ambient temperature of 60-70 ℃, and grinding for 7-10 hours to obtain the high-coverage ultra-white slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211376794.2A CN115678363A (en) | 2022-11-04 | 2022-11-04 | High-covering-power ultra-white slurry and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211376794.2A CN115678363A (en) | 2022-11-04 | 2022-11-04 | High-covering-power ultra-white slurry and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115678363A true CN115678363A (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211376794.2A Pending CN115678363A (en) | 2022-11-04 | 2022-11-04 | High-covering-power ultra-white slurry and preparation method thereof |
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| CN (1) | CN115678363A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB641547A (en) * | 1945-10-26 | 1950-08-16 | Minnesota Mining & Mfg | Improvements in or relating to coating compositions or paints |
| CN1721483A (en) * | 2004-06-21 | 2006-01-18 | 纳幕尔杜邦公司 | The titania slurry that is used for printing ink |
| CN101139171A (en) * | 2007-07-28 | 2008-03-12 | 广东科迪微晶玻璃实业有限公司 | Ultralow-expansion coefficient high transparent glass-ceramics and method for producing its product |
| CN102993784A (en) * | 2012-11-08 | 2013-03-27 | 安徽安纳达钛业股份有限公司 | Improved titanium dioxide powder surface treatment method |
| CN106479312A (en) * | 2016-09-23 | 2017-03-08 | 北京新能源汽车股份有限公司 | Temperature indicating coating and application thereof |
| CN111718618A (en) * | 2020-05-25 | 2020-09-29 | 浙江大利实业有限公司 | Production process of aqueous environment-friendly white slurry |
| CN113621290A (en) * | 2021-09-02 | 2021-11-09 | 四川泰诺斯新材料科技有限公司 | Low-VOC high-gloss water-based steel drum outer wall coating and preparation method thereof |
| CN114530582A (en) * | 2022-01-25 | 2022-05-24 | 惠州锂威新能源科技有限公司 | Negative electrode slurry and preparation method thereof, negative electrode plate and secondary battery |
-
2022
- 2022-11-04 CN CN202211376794.2A patent/CN115678363A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB641547A (en) * | 1945-10-26 | 1950-08-16 | Minnesota Mining & Mfg | Improvements in or relating to coating compositions or paints |
| CN1721483A (en) * | 2004-06-21 | 2006-01-18 | 纳幕尔杜邦公司 | The titania slurry that is used for printing ink |
| CN101139171A (en) * | 2007-07-28 | 2008-03-12 | 广东科迪微晶玻璃实业有限公司 | Ultralow-expansion coefficient high transparent glass-ceramics and method for producing its product |
| CN102993784A (en) * | 2012-11-08 | 2013-03-27 | 安徽安纳达钛业股份有限公司 | Improved titanium dioxide powder surface treatment method |
| CN106479312A (en) * | 2016-09-23 | 2017-03-08 | 北京新能源汽车股份有限公司 | Temperature indicating coating and application thereof |
| CN111718618A (en) * | 2020-05-25 | 2020-09-29 | 浙江大利实业有限公司 | Production process of aqueous environment-friendly white slurry |
| CN113621290A (en) * | 2021-09-02 | 2021-11-09 | 四川泰诺斯新材料科技有限公司 | Low-VOC high-gloss water-based steel drum outer wall coating and preparation method thereof |
| CN114530582A (en) * | 2022-01-25 | 2022-05-24 | 惠州锂威新能源科技有限公司 | Negative electrode slurry and preparation method thereof, negative electrode plate and secondary battery |
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Application publication date: 20230203 |