CN107976415A - A kind of assay method of titanium dioxide surface organosilicon drilling additives covering amount - Google Patents
A kind of assay method of titanium dioxide surface organosilicon drilling additives covering amount Download PDFInfo
- Publication number
- CN107976415A CN107976415A CN201711258952.3A CN201711258952A CN107976415A CN 107976415 A CN107976415 A CN 107976415A CN 201711258952 A CN201711258952 A CN 201711258952A CN 107976415 A CN107976415 A CN 107976415A
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- China
- Prior art keywords
- titanium dioxide
- organosilicon
- carbon content
- measured
- assay method
- 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 83
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 41
- 239000000654 additive Substances 0.000 title claims abstract description 27
- 238000003556 assay Methods 0.000 title claims abstract description 16
- 238000005553 drilling Methods 0.000 title claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 29
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 15
- 230000000996 additive effect Effects 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 3
- YQCIWBXEVYWRCW-UHFFFAOYSA-N methane;sulfane Chemical compound C.S YQCIWBXEVYWRCW-UHFFFAOYSA-N 0.000 claims description 5
- 150000003961 organosilicon compounds Chemical class 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 4
- 235000010215 titanium dioxide Nutrition 0.000 description 27
- 238000004381 surface treatment Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000003335 steric effect Effects 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention discloses a kind of assay method of titanium dioxide surface organosilicon drilling additives covering amount, comprise the following steps：1）Measure the carbon content C0 in the base-material of titanium dioxide to be measured；2）Different amounts of organosilicon auxiliary agent is added in the base-material of the titanium dioxide to be measured, surveys its carbon content Ci respectively；3）By step 1）With step 2）Measurement result calculate carbon content C=Ci C0 of different organosilicon auxiliary agent additive amounts, and extrapolate the carbon content corresponding to every one thousandth organosilicon auxiliary agent；4）Measure the carbon content Cy in titanium dioxide to be measured；5）By step 1）, step 3）With step 4）Measurement result calculate silicone covering amount in titanium dioxide to be measured.Assay method using the present invention can measure the covering amount of organosilicon auxiliary agent in titanium dioxide, and easy to operate, test result is more accurate.
Description
Technical field
The invention belongs to material analysis detection field, and in particular to a kind of titanium dioxide surface organosilicon drilling additives covering amount
Assay method.
Background technology
The surface treatment of titanium dioxide can be generally divided into inorganic surface treatment and organic surface treatment two types, wherein having
Machine surface treatment is to adsorb or be bonded in the particle surface of titanium dioxide by the polar group of organic matter, by electric repulsion and sky
Between steric effect improve wetability, dispersiveness and rheological characteristic of the titanium dioxide in various decentralized media.Existing titanium dioxide producer
The organic surface treatment generally used is mostly polyalcohol series（Generally trimethylolpropane, trimethylolethane etc.）With
Organosilicon series.The additive amount of the organic surface treatment of titanium dioxide, not only influences whether the dispersiveness of titanium dioxide, Er Qiehui
The heatproof yellowing resistance of titanium dioxide is influenced, therefore is directed to the different application field of titanium dioxide, the bag of organic surface agent in titanium dioxide
The amount of covering just show it is particularly important that.
Particularly in the production control aspect of organosilicon auxiliary agent, since titanium dioxide producer is substantially added using peristaltic pump,
Organosilicon auxiliary agent after addition is since the influence of its surface property can be adhered in vapour grinding, so as to cause actual interpolation amount and pre-
If there is any discrepancy for additive amount, therefore there must be an accurate measurement to the covering amount of the organosilicon of titanium dioxide.
Therefore, it is urgent to provide a kind of assay method that can accurately measure titanium dioxide surface organosilicon drilling additives covering amount.
The content of the invention
For deficiencies of the prior art, at a kind of organosilicon of titanium dioxide surface
The assay method of agent covering amount is managed, the method for foundation is combined with measuring carbon content using infrared carbon sulfur analyzer, can be compared with
The covering amount of organosilyl surface inorganic agent is measured exactly.
The present invention provides a kind of assay method of titanium dioxide surface organosilicon drilling additives covering amount, which includes
Following steps：
1）Measure the carbon content C0 in the base-material of titanium dioxide to be measured；
2）Different amounts of organosilicon auxiliary agent is added in the base-material of the titanium dioxide to be measured, surveys its carbon content Ci respectively；
3）By step 1）With step 2）Measurement result calculate carbon content C=Ci-C0 of different organosilicon auxiliary agent additive amounts, and
Extrapolate the carbon content C corresponding to every one thousandth organosilicon auxiliary agent1 ‰ organosilicons；
4）Measure the carbon content Cy in titanium dioxide to be measured；
5）By step 1）, step 3）With step 4）Measurement result calculate silicone covering amount in titanium dioxide to be measured
YOrganosilicon/‰, as formula is 1. shown：
①。
In the present invention, for the measure of carbon content technological means commonly used in the art can be selected to be detected.It is preferred that
In the case of, the carbon content in each sample is measured using infrared carbon sulfur analyzer.
According to the present invention, in order to improve the accuracy of test, three sample spots are at least taken to carry out in the measure of carbon content
Analysis, finally takes its average value.
According to the present invention, step 2）In, at least measure the base-materials of three groups of difference organosilicon auxiliary agent additive amounts, organosilicon auxiliary agent
Additive amount can be 1 ~ 100 ‰, be preferably 1 ~ 50 ‰, specifically can be according to the substantially additive amount of organosilicon auxiliary agent in actual sample
It is how many to be adjusted.In addition, the base-material of every group of additive amount at least takes three sample spots to be measured.
In the present invention, the pre-treatment for sample to be determined uses ordinary skill in the art means, for example, using ten thousand
Energy pulverizer crushes base-material, is dried etc. with baking oven.
Assay method using the present invention has the advantages that：
1st, the present invention establishes a kind of method that can measure organosilicon drilling additives surface covering amount, in combination with Infrared C sulphur content
Analyzer realizes that the upper organosilicon drilling additives surface currently in use covering amount of titanium dioxide producer production carries out to carbon content precise determination
Measure.
2nd, assay method of the invention, easy to operate, test result error is smaller.
Embodiment
Technical scheme is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is only part of the embodiment of the present invention to apply example, instead of all the embodiments.
Embodiment 1
The present embodiment is used for the assay method for illustrating the titanium dioxide surface organosilicon drilling additives covering amount of the present invention.
Specifically include following steps：
1st, after taking the flash distillation material drying of qualification, smash 30s with Universalpulverizer and obtain titanium dioxide base-material, take three samples of the base-material
Point, its carbon content is tested with infrared carbon sulfur analyzer, is respectively 0.021%, 0.020%, 0.018%, its average value is 0.020%
（It is denoted as C0）；
2nd, the accurate base-material for weighing 200g（It is accurate to 0.0001g）, 3 ‰, 4 ‰, 5 ‰, 6 ‰ organosilicon is added respectively, then is used
Universalpulverizer crushes 2min, after 90 DEG C are dried 30min, crushes 30s with Universalpulverizer again, and takes three of processing sample respectively
Sample spot, total carbon content of each processed sample is tested with infrared carbon sulfur analyzer, and takes the average value of each processed sample（Note
For Ci）.Calculate the carbon content C of different organosilicon additive amounts（C=Ci-C0）, specifically it is shown in Table 1；
3rd, the carbon content according to corresponding to the result of step 2 calculates every one thousandth organosilicon auxiliary agent is 0.024%, is specifically shown in
Table 1；
4th, the finished product titanium dioxide to be measured in titanium white production workshop is taken, is contained with the carbon of outer red carbon and sulfur analytical instrument test three of them sample spot
Amount is respectively 0.163%, 0.165%, 0.167%, and it is 0.165% to take average Cy, is 0.145% after deduction C0, with reference to obtained by step 3
Data, according to calculation formula, you can the covering amount for calculating the organosilicon of titanium dioxide is 6.04 ‰.
The carbon content of the different organosilicon additive amounts of table 1
According to above-mentioned specific steps and the data of table 1, the surface covering amount for having determined titanium dioxide surface organosilicon drilling additives is
6.04‰。
The embodiment of the present invention is described above, described above is exemplary, and non-exclusive, and also not
It is limited to disclosed embodiment.In the case of the scope and spirit without departing from illustrated embodiment, for the art
Many modifications and changes will be apparent from for those of ordinary skill.
Claims (4)
- A kind of 1. assay method of titanium dioxide surface organosilicon drilling additives covering amount, it is characterised in that the assay method include with Lower step：1）Measure the carbon content C0 in the base-material of titanium dioxide to be measured；2）Different amounts of organosilicon auxiliary agent is added in the base-material of the titanium dioxide to be measured, surveys its carbon content Ci respectively；3）By step 1）With step 2）Measurement result calculate carbon content C=Ci-C0 of different organosilicon auxiliary agent additive amounts, and Extrapolate the carbon content C corresponding to every one thousandth organosilicon auxiliary agent1 ‰ organosilicons；4）Measure the carbon content Cy in titanium dioxide to be measured；5）By step 1）, step 3）With step 4）Measurement result calculate silicone covering amount Y in titanium dioxide to be measuredOrganosilicon/‰, As formula is 1. shown：①。
- 2. the assay method of titanium dioxide surface organosilicon drilling additives covering amount according to claim 1, it is characterised in that：Respectively Carbon content in sample is measured using infrared carbon sulfur analyzer.
- 3. the assay method of titanium dioxide surface organosilicon drilling additives covering amount according to claim 1, it is characterised in that：Carbon At least take three sample spots to be analyzed in the measure of content, finally take its average value.
- 4. the assay method of titanium dioxide surface organosilicon drilling additives covering amount according to claim 1, it is characterised in that：Step Rapid 2）In, the base-material of three groups of difference organosilicon auxiliary agent additive amounts is at least measured, the additive amount of organosilicon auxiliary agent is 1 ~ 100 ‰.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711258952.3A CN107976415B (en) | 2017-12-04 | 2017-12-04 | Method for measuring coating amount of organic silicon treating agent on surface of titanium dioxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711258952.3A CN107976415B (en) | 2017-12-04 | 2017-12-04 | Method for measuring coating amount of organic silicon treating agent on surface of titanium dioxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107976415A true CN107976415A (en) | 2018-05-01 |
| CN107976415B CN107976415B (en) | 2020-05-19 |
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| CN201711258952.3A Active CN107976415B (en) | 2017-12-04 | 2017-12-04 | Method for measuring coating amount of organic silicon treating agent on surface of titanium dioxide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801953A (en) * | 2018-06-28 | 2018-11-13 | 四川龙蟒钛业股份有限公司 | The assay method of titanium coating content in a kind of titanium dioxide |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6663851B1 (en) * | 1999-06-29 | 2003-12-16 | Degussa Ag | Surface-modified titanium dioxide |
| CN106118140A (en) * | 2016-06-13 | 2016-11-16 | 四川龙蟒钛业股份有限公司 | A kind of preparation method of high whiteness high-temperature resistant color masterbatch level titanium dioxide |
-
2017
- 2017-12-04 CN CN201711258952.3A patent/CN107976415B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6663851B1 (en) * | 1999-06-29 | 2003-12-16 | Degussa Ag | Surface-modified titanium dioxide |
| CN106118140A (en) * | 2016-06-13 | 2016-11-16 | 四川龙蟒钛业股份有限公司 | A kind of preparation method of high whiteness high-temperature resistant color masterbatch level titanium dioxide |
Non-Patent Citations (2)
| Title |
|---|
| 戴遐明等: "《纳米陶瓷材料及其应用》", 30 June 2005 * |
| 杜凤: "TiO2 颗粒表面包覆机理的研究进展", 《民营科技》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801953A (en) * | 2018-06-28 | 2018-11-13 | 四川龙蟒钛业股份有限公司 | The assay method of titanium coating content in a kind of titanium dioxide |
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| Publication number | Publication date |
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| CN107976415B (en) | 2020-05-19 |
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Address after: 454150 longmang Bailian Group Co., Ltd., Fengfeng office, zhongzhan District, Jiaozuo City, Henan Province Patentee after: Longbai Group Co.,Ltd. Address before: 454150 longmang Bailian Group Co., Ltd., Fengfeng office, zhongzhan District, Jiaozuo City, Henan Province Patentee before: LOMON BILLIONS GROUP Co.,Ltd. |