CN114323854A - Sample preparation method for titanium dioxide paint application evaluation method - Google Patents
Sample preparation method for titanium dioxide paint application evaluation method Download PDFInfo
- Publication number
- CN114323854A CN114323854A CN202111626213.1A CN202111626213A CN114323854A CN 114323854 A CN114323854 A CN 114323854A CN 202111626213 A CN202111626213 A CN 202111626213A CN 114323854 A CN114323854 A CN 114323854A
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- CN
- China
- Prior art keywords
- titanium dioxide
- alkyd resin
- paint application
- evaluation method
- application evaluation
- 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.)
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 69
- 238000011156 evaluation Methods 0.000 title claims abstract description 48
- 239000003973 paint Substances 0.000 title claims abstract description 46
- 238000005464 sample preparation method Methods 0.000 title claims abstract description 27
- 229920000180 alkyd Polymers 0.000 claims abstract description 61
- 239000003085 diluting agent Substances 0.000 claims abstract description 49
- 239000002002 slurry Substances 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 15
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 11
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 11
- 239000006185 dispersion Substances 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012512 characterization method Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000011521 glass Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention provides a sample preparation method for a titanium dioxide paint application evaluation method, which comprises the following steps: a) mixing alkyd resin with a diluent to obtain alkyd resin diluent; b) dispersing titanium dioxide in the alkyd resin diluent obtained in the step a) to obtain sample slurry for the titanium dioxide paint application evaluation method. Compared with the prior art, the sample preparation method for the titanium dioxide paint application evaluation method only adopts three raw materials, namely alkyd resin, diluent and titanium dioxide, has the advantages of simple sample preparation process, low labor intensity, short time consumption, high working efficiency, simplicity, high efficiency and strong practicability, and the prepared sample slurry is used for the titanium dioxide paint application evaluation method, has good judgment result repeatability and high reliability, has a consistent relation with the customer characterization trend, and has great significance for production guidance.
Description
Technical Field
The invention relates to the technical field of titanium dioxide, in particular to a sample preparation method for an application evaluation method of titanium dioxide paint.
Background
Titanium dioxide (titanium dioxide) is an important inorganic chemical pigment, the main component of which is titanium dioxide, and the titanium dioxide has important application in the industries of paint, coating, printing ink, paper making, plastic rubber, chemical fiber, ceramic and the like.
At present, reagents adopted by the existing titanium dioxide paint application evaluation method comprise alkyd resin-3430, dispersant-BYK 110, dimethylbenzene, titanium dioxide and butyl acetate, and the dosage of the reagents is respectively 40 wt%, 2 wt%, 4 wt%, 50 wt% and 4 wt%; the specific sample preparation method comprises the following steps: sequentially weighing alkyd resin-3430, dispersant-BYK 110 and xylene in a 300ml plastic box, placing the plastic box in a multi-component functional extension machine, stirring for 20 minutes at the rotation speed of 1800rpm, adding weighed titanium dioxide under the stirring state, continuing to stir at the rotation speed of 1800rpm for 15 minutes, adding weighed butyl acetate under the stirring state, keeping the rotation speed of 1800rpm for the same time, stirring for 10 minutes, taking out a sample, cooling to normal temperature, and then performing scraping.
However, the sample preparation method has the disadvantages of complicated process, high labor intensity, long time consumption and low efficiency.
Disclosure of Invention
In view of the above, the invention aims to provide a sample preparation method for a titanium dioxide paint application evaluation method, which is simple in process, low in labor intensity, short in time consumption and high in working efficiency.
The invention provides a sample preparation method for a titanium dioxide paint application evaluation method, which comprises the following steps:
a) mixing alkyd resin with a diluent to obtain alkyd resin diluent;
b) dispersing titanium dioxide in the alkyd resin diluent obtained in the step a) to obtain sample slurry for the titanium dioxide paint application evaluation method.
Preferably, the alkyd resin in step a) is alkyd resin 322-4.
Preferably, the diluent in step a) is butyl acetate.
Preferably, the mass ratio of the alkyd resin to the diluent in the step a) is (2-5): 1.
preferably, the mixing process in step a) is specifically:
weighing alkyd resin by using a clean paint can, adding butyl acetate, covering a cover, and fully shaking up to obtain alkyd resin diluent.
Preferably, the viscosity of the alkyd resin diluent in the step a) is 210-280 s.
Preferably, the mass ratio of the titanium dioxide to the alkyd resin diluent in the step b) is (1-6): 15.
preferably, the dispersing process in step b) is specifically:
adjusting the rotating speed of a high-stirring dispersing machine to 400 r/min-800 r/min, adding the alkyd resin diluent obtained in the step a), stirring for 1 min-5 min, slowly adding titanium dioxide, and performing high-speed dispersion to obtain sample slurry for the titanium dioxide paint application evaluation method.
Preferably, the time for slowly adding the titanium dioxide is 1-3 min.
Preferably, the rotating speed of the high-speed dispersion is 2000 r/min-4000 r/min, and the time is 5 min-15 min.
The invention provides a sample preparation method for a titanium dioxide paint application evaluation method, which comprises the following steps: a) mixing alkyd resin with a diluent to obtain alkyd resin diluent; b) dispersing titanium dioxide in the alkyd resin diluent obtained in the step a) to obtain sample slurry for the titanium dioxide paint application evaluation method. Compared with the prior art, the sample preparation method for the titanium dioxide paint application evaluation method only adopts three raw materials, namely alkyd resin, diluent and titanium dioxide, has the advantages of simple sample preparation process, low labor intensity, short time consumption, high working efficiency, simplicity, high efficiency and strong practicability, and the prepared sample slurry is used for the titanium dioxide paint application evaluation method, has good judgment result repeatability and high reliability, has a consistent relation with the customer characterization trend, and has great significance for production guidance.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a sample preparation method for a titanium dioxide paint application evaluation method, which comprises the following steps:
a) mixing alkyd resin with a diluent to obtain alkyd resin diluent;
b) dispersing titanium dioxide in the alkyd resin diluent obtained in the step a) to obtain sample slurry for the titanium dioxide paint application evaluation method.
The alkyd resin diluent is prepared by mixing alkyd resin with a diluent. In the present invention, the alkyd resin is preferably alkyd resin 322-4; commercially available sources well known to those skilled in the art may be used.
In the present invention, the diluent is preferably butyl acetate; commercially available sources well known to those skilled in the art may be used.
In the invention, the mass ratio of the alkyd resin to the diluent is preferably (2-5): 1, more preferably 4: 1.
in the present invention, the mixing process preferably includes:
weighing alkyd resin by using a clean paint can, adding butyl acetate, covering a cover, and fully shaking up to obtain alkyd resin diluent. In the present invention, the volume of the paint can is preferably 250ml to 500ml, more preferably 300 ml.
In the invention, the viscosity of the alkyd resin diluent is preferably 210-280 s; the viscosity control is realized by adjusting the mass ratio of the alkyd resin to the diluent.
After the alkyd resin diluent is obtained, titanium dioxide is dispersed in the obtained alkyd resin diluent to obtain sample slurry for the titanium dioxide paint application evaluation method.
The source of the titanium dioxide is not particularly limited in the invention, and a commercially available product well known to those skilled in the art can be adopted. In the invention, the mass ratio of the titanium dioxide to the alkyd resin diluent is preferably (1-6): 15, more preferably (3-4): 15.
in the present invention, the dispersing process is preferably specifically:
adjusting the rotating speed of a high-stirring dispersing machine to 400 r/min-800 r/min, adding the alkyd resin diluent obtained in the step a), stirring for 1 min-5 min, slowly adding titanium dioxide, and performing high-speed dispersion to obtain sample slurry for the titanium dioxide paint application evaluation method;
more preferably:
adjusting the rotating speed of a high-stirring dispersing machine to 600r/min, adding the alkyd resin diluent obtained in the step a), stirring for 2min, slowly adding titanium dioxide, and performing high-speed dispersion to obtain sample slurry for the titanium dioxide paint application evaluation method.
In the invention, the time for slowly adding the titanium dioxide is preferably 1min to 3min, and more preferably 2 min.
In the invention, the rotating speed of the high-speed dispersion is preferably 2000r/min to 4000r/min, and more preferably 3000 r/min; the time for the high-speed dispersion is preferably 5 to 15min, and more preferably 10 min.
Carrying out a comparison test of a titanium dioxide paint application evaluation method on the obtained sample slurry (paint with certain viscosity) and a standard sample; the determination method and the determination standard are not particularly limited, and those skilled in the art can use the determination method and the determination standard of the prior art.
By improving the sample preparation of the titanium dioxide paint application evaluation method, the technical problems of (1) complicated sample preparation, (2) long sample preparation time, low working efficiency and (3) high labor intensity in the prior art are solved, and the method has great significance for production guidance.
The invention provides a sample preparation method for a titanium dioxide paint application evaluation method, which comprises the following steps: a) mixing alkyd resin with a diluent to obtain alkyd resin diluent; b) dispersing titanium dioxide in the alkyd resin diluent obtained in the step a) to obtain sample slurry for the titanium dioxide paint application evaluation method. Compared with the prior art, the sample preparation method for the titanium dioxide paint application evaluation method only adopts three raw materials, namely alkyd resin, diluent and titanium dioxide, has the advantages of simple sample preparation process, low labor intensity, short time consumption, high working efficiency, simplicity, high efficiency and strong practicability, and the prepared sample slurry is used for the titanium dioxide paint application evaluation method, has good judgment result repeatability and high reliability, has a consistent relation with the customer characterization trend, and has great significance for production guidance.
To further illustrate the present invention, the following examples are provided for illustration. The titanium dioxide used in the following examples of the present invention is provided by Panzhihua Oriental titanium industry Co., Ltd, and the alkyd resin used is provided by Jiangsu Sanmukuchen chemical industry Co., Ltd, with the following parameters:
acid value: less than or equal to 11mg KOH/g;
viscosity: 350-550 s/25 ℃;
solid content: 54-56%;
color: less than or equal to 8 percent;
fineness: less than or equal to 20.
Example 1
(1) Weighing 120.0g of alkyd resin 322-4 by using a clean 300ml paint can, adding 30.0g of analytically pure butyl acetate, covering a cover, and fully shaking uniformly for later use; the test shows that the viscosity of the alkyd resin diluent (150g) is 220-260 s (measured by a coating-4 viscometer);
(2) adjusting the rotating speed of a high-stirring dispersing machine to 600 revolutions per minute, adding the alkyd resin diluent obtained in the step (1), stirring for 2 minutes, and slowly adding weighed 35.0g of titanium dioxide within 2 minutes; and adjusting the rotating speed of the dispersion machine to 3000rpm, and dispersing for 10 minutes to obtain sample slurry for later use.
Example 2
The sample preparation method provided in example 1 is used, with the difference that: 322 g 4110 g of alkyd resin, and 40g of analytically pure butyl acetate to obtain alkyd resin diluent (150g) with the viscosity of 210-250 s.
Example 3
The sample preparation method provided in example 1 is used, with the difference that: 322 g of alkyd resin and 4125 g of analytically pure butyl acetate, and the viscosity of the obtained alkyd resin diluent (150g) is 240-280 s.
And (3) performance testing:
(1) and (3) fineness judgment:
after most of foams in the sample slurry disappear (3 minutes), the sample slurry prepared in the embodiment 1-3 is placed at the 0 scale mark of the left groove of the double-groove fineness meter by a disposable plastic suction pipe, forms an angle of 45 degrees by a scraper fineness meter, is tightly attached to the fineness meter, and is quickly scraped downwards from the 0 scale; the fineness meter is flatly and straightly taken by two hands, under the condition of good light, an included angle of 20-30 degrees is formed between the fineness meter and the fineness plate, the positions of 8 continuous points in 3mm in two grooves are respectively found out from 0 scale to the right, the corresponding micrometer values are respectively read, the dispersibility of the sample is obtained, the whole reading process is finished within 10 seconds, otherwise, the whole process is required to be repeated; and judging the product to be qualified if the product is smaller than 40 mu m, and otherwise, judging the product to be unqualified.
(2) And (3) covering judgment:
preparing the film by sucking a proper amount of commercial standard sample slurry (1.0-1.5 g) by a disposable plastic dropper on the left middle upper part of a clean glass plate, sucking an evaluation sample (the sample slurry prepared in the examples 1-3) on the right middle upper part, and simultaneously preparing a wet film by a single-sided wet film preparation device with the thickness of 100 mu m or 150 mu m (the test adopts the thickness of 100 mu m); wet film hiding power evaluation: natural sunlight directly penetrates through the glass plate from the back, the sight line and the glass plate form 90 degrees, and the capability of the test sample and the trademark standard sample for covering the substrate of the glass plate is observed and evaluated; if the two are consistent, the wet covering power of the evaluation sample is not lower than the commercial standard sample; judging that the evaluation sample is lower than or better than the trademark standard sample by the same method; evaluation of dry hiding power: putting the glass plate with the judged wet covering power into a constant-temperature air-blast drying oven at 50 ℃, drying for about 20 minutes, taking out, and observing the capability of the evaluation sample and the trademark standard sample for covering the substrate of the glass plate by the same method; if the two are consistent, the dry covering power of the evaluation sample is not lower than that of the commercial standard sample; and judging that the evaluation sample is lower or better than the trademark standard sample by the same method.
(3) And (3) whiteness judgment:
and (3) forming an included angle of 30 degrees between the glass plate after the performance test (2) for evaluating the dry covering power and the sight line, adjusting the glass plate at the optimal observation position, and observing the whiteness difference between the evaluation sample and the trademark standard sample, wherein the result is expressed by that the sample is superior to, not lower than or inferior to the trademark standard sample.
The test results are shown in the following table.
TABLE 1 Performance test data for sample slurries prepared in examples 1-3
| Fineness/. mu.m | Covering (visual inspection with standard sample) | Whiteness (visual inspection with standard) | |
| Example 1 | 30 | Is superior to | Is superior to |
| Example 2 | 35 | Not less than | Not less than |
| Example 3 | 30 | Is superior to | Not less than |
As can be seen from Table 1, the sample preparation method provided by the invention is simple, high-efficiency and strong in practicability, has good repeatability and high reliability of the judgment result, has a consistent relation with the characterization trend of the client, and has great significance for production guidance.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A sample preparation method for a titanium dioxide paint application evaluation method comprises the following steps:
a) mixing alkyd resin with a diluent to obtain alkyd resin diluent;
b) dispersing titanium dioxide in the alkyd resin diluent obtained in the step a) to obtain sample slurry for the titanium dioxide paint application evaluation method.
2. A sample preparation method for a titanium dioxide paint application evaluation method according to claim 1, characterized in that in step a) the alkyd resin is alkyd resin 322-4.
3. The sample preparation method for the titanium dioxide paint application evaluation method according to claim 1, wherein the diluent in step a) is butyl acetate.
4. The sample preparation method for the titanium dioxide paint application evaluation method according to claim 1, wherein the mass ratio of the alkyd resin to the diluent in the step a) is (2-5): 1.
5. the sample preparation method for the titanium dioxide paint application evaluation method according to claim 1, wherein the mixing process in step a) specifically comprises:
weighing alkyd resin by using a clean paint can, adding butyl acetate, covering a cover, and fully shaking up to obtain alkyd resin diluent.
6. The sample preparation method for the titanium dioxide paint application evaluation method according to claim 1, wherein the viscosity of the alkyd resin diluent in step a) is 210-280 s.
7. The sample preparation method for the titanium dioxide paint application evaluation method according to claim 1, wherein the mass ratio of the titanium dioxide to the alkyd resin diluent in step b) is (1-6): 15.
8. the sample preparation method for the titanium dioxide paint application evaluation method according to claim 1, wherein the dispersion process in step b) specifically comprises:
adjusting the rotating speed of a high-stirring dispersing machine to 400 r/min-800 r/min, adding the alkyd resin diluent obtained in the step a), stirring for 1 min-5 min, slowly adding titanium dioxide, and performing high-speed dispersion to obtain sample slurry for the titanium dioxide paint application evaluation method.
9. The sample preparation method for the titanium dioxide paint application evaluation method according to claim 8, wherein the time for slowly adding titanium dioxide is 1-3 min.
10. The sample preparation method for the titanium dioxide paint application evaluation method according to claim 8, wherein the high-speed dispersion has a rotation speed of 2000r/min to 4000r/min and a time of 5min to 15 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111626213.1A CN114323854B (en) | 2021-12-28 | 2021-12-28 | Sample preparation method for titanium pigment paint application evaluation method |
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|---|---|---|---|
| CN202111626213.1A CN114323854B (en) | 2021-12-28 | 2021-12-28 | Sample preparation method for titanium pigment paint application evaluation method |
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| CN114323854A true CN114323854A (en) | 2022-04-12 |
| CN114323854B CN114323854B (en) | 2024-09-17 |
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|---|---|---|---|---|
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| CN109142282A (en) * | 2017-06-13 | 2019-01-04 | 江苏特丰新材料科技有限公司 | A kind of detection method of titanium dioxide covering power in ink |
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2021
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| JP2006184178A (en) * | 2004-12-28 | 2006-07-13 | Nippon Paint Co Ltd | Method of evaluating coloring power of coating, and unit therefor |
| CN102507505A (en) * | 2011-11-10 | 2012-06-20 | 攀枝花鼎星钛业有限公司 | Determination method for covering power of titanium dioxide |
| CN105092571A (en) * | 2015-08-26 | 2015-11-25 | 杭州瑞江化工有限公司 | Method for quickly detecting application performance of titanium dioxide of oil paint systems |
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