CN108690508A - A kind of polishing fluid field special efficacy suspending agent and preparation method thereof - Google Patents
A kind of polishing fluid field special efficacy suspending agent and preparation method thereof Download PDFInfo
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- CN108690508A CN108690508A CN201810779154.3A CN201810779154A CN108690508A CN 108690508 A CN108690508 A CN 108690508A CN 201810779154 A CN201810779154 A CN 201810779154A CN 108690508 A CN108690508 A CN 108690508A
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- Prior art keywords
- suspending agent
- parts
- polishing fluid
- special efficacy
- fluid field
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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
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
Abstract
A kind of polishing fluid field special efficacy suspending agent prepares raw material including at least bentonite, fluoride, oxalates, sorbate, thiocarbamide, silicate.
Description
Technical field
A kind of polishing technology field of the present invention, and in particular to polishing fluid field special efficacy suspending agent and preparation method thereof.
Background technology
Oxidizing polishing powder diameter is small, has quantum size effect and skin effect, therefore particle is easily reunited.Powder disperses
It is acted in water by power such as electrostatic attraction, Van der Waals force, particle capillary forces, is very easy to that secondary agglomeration occurs.Therefore
Higher requirement also proposed for suspending agent.
Invention content
In order to solve prior art problem, the first aspect of the present invention provides a kind of polishing fluid field special efficacy suspending agent,
Raw material is prepared including at least bentonite, fluoride, oxalates, sorbate, thiocarbamide, silicate.
In some embodiments, the bentonite is calcium-base bentonite, sodium bentonite.
In some embodiments, the oxalates is sodium oxalate, potassium oxalate.
In some embodiments, the sorbate is sodium sorbate, potassium sorbate.
In some embodiments, the silicate is alumina silicate, calcium silicates, magnesium silicate.
In some embodiments, in parts by weight, raw material is prepared including at least 74-75 parts of bentonite, fluoride 11-
12 parts, 9-9.5 parts of oxalates, 0.9-1 parts of sorbate, 0.1-0.3 parts of thiocarbamide, 3.5-4 parts of silicate.
In some embodiments, there is the infrared spectrum substantially the same with Figure of description Fig. 1.
In some embodiments, there is the MS negative ion mode spectrogram substantially the same with Figure of description Fig. 2.
In some embodiments, there is the XRD spectra substantially the same with Figure of description Fig. 3.
In some embodiments, there is the SEM-EDX spectrogram substantially the same with Figure of description Fig. 4.
The second aspect of the present invention provides a kind of preparation method of polishing fluid field special efficacy suspending agent, and each raw material is mixed,
Stir 30min at 45 DEG C, be cooled to room temperature to get.
Description of the drawings
Fig. 1 is the infrared spectrum of embodiment 1.
Fig. 2 is the MS negative ion mode spectrograms of embodiment 1.
Fig. 3 is the XRD spectra of embodiment 1.
Fig. 4 is the SEM-EDX spectrograms of embodiment 1.
Specific implementation mode
For the purpose of following detailed description, it should be understood that the present invention can be used various replacements variation and step it is suitable
Sequence, unless specifically stated on the contrary.In addition, in the case of in addition in any operational instances or otherwise pointing out, indicate
Such as all numbers of the amount of the ingredient used in description and claims should be understood in all cases by term
" about " it modifies.Therefore, unless indicated to the contrary, the numerical parameter otherwise illustrated in the following description and appended dependent claims is root
The approximation changed according to the expected performance of the invention to be obtained.It is at least not intended to the applicable of doctrine of equivalents being limited in
In the scope of the claims, each numerical parameter at least according to the number of the effective digital of report and should pass through the common house of application
Enter technology to explain.
Although illustrating that the broad range of numberical range of the present invention and parameter are approximations, listed in specific example
Numerical value is reported as accurately as possible.However, any numerical value includes inherently the standard deviation found in being measured by its each self-test
The certain errors necessarily led to.
In addition, it should be understood that any numberical range as described herein is intended to include being included into all subranges therein.Example
Such as, the range of " 1 to 10 " is intended to include all sub- models between (and including) described minimum value 1 and the maximum value 10
It encloses, that is, there is the minimum value equal to or more than 1 and the maximum value equal to or less than 10.
The first aspect of the present invention provides a kind of polishing fluid field special efficacy suspending agent, prepares raw material and includes at least swelling
Soil, fluoride, oxalates, sorbate, thiocarbamide, silicate.
In some embodiments, the bentonite is calcium-base bentonite, sodium bentonite.
The interlayer cation of calcium-base bentonite is calcium, and the interlayer cation of sodium bentonite is sodium.Bentonite is after adding the water
Volume will expand, it is however generally that, calcium-base bentonite expands 5-15 times, 20-30 times of Na-bentonite soil expansion.
In some preferred embodiments, the bentonite is the mixture of calcium-base bentonite and sodium bentonite, institute
The weight ratio for stating calcium-base bentonite and sodium bentonite is 1:3.
In some embodiments, the oxalates is sodium oxalate, potassium oxalate.
Sodium oxalate (Na2C2O4) be oxalic acid sodium salt, be a kind of reducing agent, also frequently as bidentate ligand.It is a kind of white
Crystalline powder, odorlessness have hygroscopicity.It is dissolved in water, does not dissolve in ethyl alcohol.Calcination is then decomposed into sodium carbonate and carbon monoxide.
Potassium oxalate is a kind of chemical substance, molecular formula:(COOK)2·H2O.For pharmacy object and bleaching straw hat etc., also serve as
Chemical reagent, fabric detergent are used for the anti-agglomerating agent of vein blood vessel sample.
In some embodiments, the sorbate is sodium sorbate, potassium sorbate.
Sodium sorbate is a kind of food additives, has higher anti-microbial property, has suppression to bacterium, mould, saccharomycete
It makes and uses, especially anti-mold effect is good.It is widely used in food, beverage, cosmetics and medicine etc..
Potassium sorbate is colourless to the crystallization of white flakes shape or crystalline powder, odorless or slightly stink.In air not
Stablize.It can be by heat-tinting.Molecular weight 150.22.There is hygroscopicity.Soluble easily in water, ethyl alcohol.
In some embodiments, the silicate is alumina silicate, calcium silicates, magnesium silicate.
Alumina silicate is produced through resistance or electric arc furnaces melting, injection fiber-forming process using hard paste clinker as raw material.
Alumina silicate is a kind of aluminosilicate, character:Clear crystal.It is not soluble in water.With low heat conductivity excellent thermal stability and chemistry
Stability is free of binder and corrosive substance.
Calcium silicates is white powder.It is tasteless.It is nontoxic.It is dissolved in strong acid.Not soluble in water, alcohol and alkali, mostly acicular crystal.Adding
Deviate from the crystallization water when heat is to 680~700 DEG C, crystal shape is unchanged.After being mixed in a certain ratio by silicic acid and quick lime and water
It carries out hydro-thermal reaction and generates calcium silicates crystallite slurry, through filtering, washing is dry to be made.
By calcium carbonate and silica, igneous fusion forms calcium silicates at high temperature.Due to the difference of formation condition, crystallization
Form is different, and purposes is also different.It is mainly used as construction material, thermal insulation material, refractory material, the extender pigment and carrier of coating,
Filter aid, candy polishing agent, chewing gum dusting powder, rice coating agent, suspending agent, analytical reagent.
Magnesium silicate is mainly used as pharmacy, is pharmaceutically used as relieving haperacidity drug, can neutralize hydrochloric acid in gastric juice and protection ulcer surface, be mainly used for
Gastric and duodenal ulcer disease.Deodorant and decolorising agent can also be made, be also used for the industry such as ceramics or rubber.Anticaking agent;Filter aid;
Fruit glaze agent;Candy polishing applies glaze agent;Chewing gum face powder agent;Rice coating agent;(drug) antiacid.It is classified as and adds by GB 2760-90
Work auxiliary agent.FDA regulations can be used as dining table salt, limitation 2%.EEC is used for salt, Icing Sugar, candy, rice and chewing gum.
In some embodiments, in parts by weight, raw material is prepared including at least 74-75 parts of bentonite, fluoride 11-
12 parts, 9-9.5 parts of oxalates, 0.9-1 parts of sorbate, 0.1-0.3 parts of thiocarbamide, 3.5-4 parts of silicate.
In some embodiments, there is the infrared spectrum substantially the same with Figure of description Fig. 1.
Infrared test method is that sample to be tested is carried out tabletting with potassium bromide, is then tested.
In some embodiments, there is the MS negative ion mode spectrogram substantially the same with Figure of description Fig. 2.
MS is mass spectrum, can be divided into positive ion mode and negative ion mode, and the present invention treats test sample using negative ion mode
Product are tested, such as shown in Fig. 2, molecular ion peak is two characteristic peaks that 89 and 111 be the present invention.
In some embodiments, there is the XRD spectra substantially the same with Figure of description Fig. 3.
XRD is X-ray polycrystalline diffraction, as shown in figure 3, the characteristic peak wherein containing fluoride, oxalates and silicate.
In some embodiments, there is the SEM-EDX spectrogram substantially the same with Figure of description Fig. 4.
SEM-EDX is energy dispersion X-ray analysis.
The second aspect of the present invention provides a kind of preparation method of polishing fluid field special efficacy suspending agent, and each raw material is mixed,
Stir 30min at 45 DEG C, be cooled to room temperature to get.
Inventor has found, selects silicate and bentonite that suspending agent provided by the invention can be made for sapphire polishing liquid
With preferable suspendability and redisperse effect, inventor speculates that aluminium is amphoteric metal, tends to form one in polishing fluid
A little flocculent substances are mixed with a small amount of calcium-base bentonite in bentonite based on sodium bentonite, under certain proportion, can make
Polishing fluid still will not occur hardened after being long placed in.
With reference to specific embodiment, the present invention is further explained.
Embodiment 1
Suspending agent, in parts by weight, it includes 75 parts of bentonite, 12 parts of sodium fluoride, 9.5 parts of sodium oxalate, mountain to prepare raw material
0.9 part of potassium sorbate, 0.1 part of thiocarbamide, 4 parts of alumina silicate.Wherein, bentonite is sodium bentonite and calcium-base bentonite weight ratio is 3:
1 mixture.Preparation method mixes each raw material, and 30min is stirred at 45 DEG C, be cooled to room temperature to get.
Embodiment 2
Suspending agent, in parts by weight, it includes 75 parts of bentonite, 12 parts of sodium fluoride, 9.5 parts of sodium oxalate, mountain to prepare raw material
0.9 part of potassium sorbate, 0.1 part of thiocarbamide, 4 parts of alumina silicate.Wherein, bentonite is sodium bentonite and calcium-base bentonite weight ratio is 1:
1 mixture.Preparation method mixes each raw material, and 30min is stirred at 45 DEG C, be cooled to room temperature to get.
Embodiment 3
Suspending agent, in parts by weight, it includes 75 parts of bentonite, 12 parts of sodium fluoride, 9.5 parts of sodium oxalate, mountain to prepare raw material
0.9 part of potassium sorbate, 0.1 part of thiocarbamide, 4 parts of alumina silicate.Wherein, bentonite is sodium bentonite.Preparation method mixes each raw material
Close, stir 30min at 45 DEG C, be cooled to room temperature to get.
Embodiment 4
Suspending agent, in parts by weight, it includes 75 parts of bentonite, 12 parts of sodium fluoride, 9.5 parts of sodium oxalate, mountain to prepare raw material
0.9 part of potassium sorbate, 0.1 part of thiocarbamide, 4 parts of alumina silicate.Wherein, bentonite is calcium-base bentonite.Preparation method mixes each raw material
Close, stir 30min at 45 DEG C, be cooled to room temperature to get.
Embodiment 5
Suspending agent, in parts by weight, it includes 75 parts of bentonite, 12 parts of sodium fluoride, 9.5 parts of sodium oxalate, mountain to prepare raw material
0.9 part of potassium sorbate, 0.1 part of thiocarbamide, 4 parts of calcium silicates.Wherein, bentonite is sodium bentonite and calcium-base bentonite weight ratio is 3:
1 mixture.Preparation method mixes each raw material, and 30min is stirred at 45 DEG C, be cooled to room temperature to get.
Test method
Sapphire polishing liquid is configured, in parts by weight, it includes Al to prepare raw material2O320 parts, ZrO23 parts, tetrabutyl hydrogen-oxygen
Change 3 parts of ammonium, 0.1 part of hydroxy silicon oil, 74 parts of water, 0.1 part of polyvinylpyrrolidone K25.The Al2O3Grain size be 0.5 μm.Institute
State ZrO2Grain size be 2 μm.The average molecular weight of polyvinylpyrrolidone K25 is 32000.
The embodiment 1-5 of 3wt% is separately added into sapphire polishing liquid.Then 2h is stirred, dispersion is obtained.
1. dispersion is stood for 24 hours, whether observation dispersion is layered as water layer, dispersion layer, the beds of precipitation from top to bottom,
Record the volume fraction V of dispersion layer1。
2. dispersion is stood 7d, 2h is then stirred, then is stood for 24 hours, whether observation dispersion is layered from top to bottom
For water layer, dispersion layer, the beds of precipitation, the volume fraction V of dispersion layer is recorded2。
As a result it is recorded in following table.
| V1 | V2 | |
| Example 1 | 96.5% | 95% |
| Example 2 | 92% | 90.5% |
| Example 3 | 95.5% | 81% |
| Example 4 | 89% | 90% |
| Example 5 | 80% | 72% |
The use of embodiments any and all in this application or exemplary language (for example, " such as "), is all only intended to
The present invention is preferably illustrated, rather than is limited in the scope of the present invention, unless otherwise opinion.It should not will in the description
Language understanding be show any element that do not advocate be implement it is essential to the invention.
It describes the preferred embodiment of the present invention in the application, including known for inventor implements the best of the present invention
Mode.For the those of ordinary skill in the art for having read aforementioned specification, the flexible mode of those preferred embodiments
Can be obvious.The present inventor it is expected that this variation is suitably used in those skilled in the art, and inventor is intended to
Implement the present invention in a manner of different from what is specifically described herein.Therefore, the present invention includes institute in the claim then attached
State the change and equivalent implementation that all applicable laws of theme are permitted.Moreover, the present invention include all of element described above can
The arbitrary combination of the flexible mode of energy, unless being otherwise noted or being apparently contradicted in the context in this application.
Claims (10)
1. a kind of polishing fluid field special efficacy suspending agent, which is characterized in that it prepares raw material including at least bentonite, fluoride, grass
Hydrochlorate, sorbate, thiocarbamide, silicate.
2. polishing fluid field special efficacy suspending agent as described in claim 1, which is characterized in that the bentonite is calcium base swelling
Soil, sodium bentonite.
3. polishing fluid field special efficacy suspending agent as described in claim 1, which is characterized in that the oxalates is sodium oxalate, grass
Sour potassium.
4. polishing fluid field special efficacy suspending agent as described in claim 1, which is characterized in that the sorbate is sorbic acid
Sodium, potassium sorbate.
5. polishing fluid field special efficacy suspending agent as described in claim 1, which is characterized in that the silicate is alumina silicate, silicon
Sour calcium, magnesium silicate.
6. polishing fluid field special efficacy suspending agent as described in claim 1, which is characterized in that in parts by weight, prepare raw material
Including at least 74-75 parts of bentonite, 11-12 parts of fluoride, 9-9.5 parts of oxalates, 0.9-1 parts of sorbate, thiocarbamide 0.1-0.3
Part, 3.5-4 parts of silicate.
7. polishing fluid field special efficacy suspending agent as described in claim 1, which is characterized in that it has and Figure of description Fig. 1
Substantially the same infrared spectrum.
8. polishing fluid field special efficacy suspending agent as described in claim 1, which is characterized in that it has and Figure of description Fig. 2
Substantially the same MS negative ion mode spectrograms.
9. polishing fluid field special efficacy suspending agent as described in claim 1, which is characterized in that it has and Figure of description Fig. 3
Substantially the same XRD spectra.
10. polishing fluid field special efficacy suspending agent as described in claim 1, which is characterized in that it has and Figure of description Fig. 4
Substantially the same SEM-EDX spectrograms.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810779154.3A CN108690508A (en) | 2018-07-16 | 2018-07-16 | A kind of polishing fluid field special efficacy suspending agent and preparation method thereof |
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| CN201810779154.3A CN108690508A (en) | 2018-07-16 | 2018-07-16 | A kind of polishing fluid field special efficacy suspending agent and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101177549A (en) * | 2007-11-06 | 2008-05-14 | 淄博金纪元研磨材有限公司 | Preparation method of disk-shaped alumina powder specially for electron industry grinding |
| CN101910351A (en) * | 2007-12-22 | 2010-12-08 | 赢创德固赛有限公司 | Dispersion comprising cerium oxide and sheet silicate |
| CN104293205A (en) * | 2013-07-16 | 2015-01-21 | 鸿富锦精密工业（深圳）有限公司 | Water-based diamond polishing solution and preparation method thereof |
| CN106811176A (en) * | 2016-04-26 | 2017-06-09 | 福吉米株式会社 | Composition for polishing |
-
2018
- 2018-07-16 CN CN201810779154.3A patent/CN108690508A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101177549A (en) * | 2007-11-06 | 2008-05-14 | 淄博金纪元研磨材有限公司 | Preparation method of disk-shaped alumina powder specially for electron industry grinding |
| CN101910351A (en) * | 2007-12-22 | 2010-12-08 | 赢创德固赛有限公司 | Dispersion comprising cerium oxide and sheet silicate |
| CN104293205A (en) * | 2013-07-16 | 2015-01-21 | 鸿富锦精密工业（深圳）有限公司 | Water-based diamond polishing solution and preparation method thereof |
| CN106811176A (en) * | 2016-04-26 | 2017-06-09 | 福吉米株式会社 | Composition for polishing |
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