CN103232733A - Nano-scale silica-coated titanium dioxide powder - Google Patents
Nano-scale silica-coated titanium dioxide powder Download PDFInfo
- Publication number
- CN103232733A CN103232733A CN201310122112XA CN201310122112A CN103232733A CN 103232733 A CN103232733 A CN 103232733A CN 201310122112X A CN201310122112X A CN 201310122112XA CN 201310122112 A CN201310122112 A CN 201310122112A CN 103232733 A CN103232733 A CN 103232733A
- Authority
- CN
- China
- Prior art keywords
- titanium dioxide
- silicon
- silica
- powder
- dioxide
- 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.)
- Pending
Links
Images
Landscapes
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention discloses nano-scale silica-coated titanium dioxide powder which is composed of, by weight, 0.5-30% of silica with an average particle size of 5-30nm, and 70-99.5% of titanium dioxide with an average particle size of 0.05-2mum. The raw material source of silica is silica sol, wherein silica mass percentage in the silica sol is 5-30%. According to the invention, silica sol is used for replacing sodium silicate as a silica source, such that a gelling phenomenon during coating when silica content is increased is avoided, prepared powder is more uniform, and content of silica coated on the surface of titanium dioxide can be increased. According to the invention, titanium dioxide durability is further improved. The surface of the powder is porous. When the powder is mixed with a paint, the surface is easy to wet, and dispersion is facilitated. When the powder is cured with resin, partial resin can invade into the coating layer, such that a tilt structure is formed. Therefore, the adhesion force between titanium dioxide and resin is greatly improved. Also, the preparation method is simple, the raw material is easy to obtain, and cost is low.
Description
Technical field
The present invention relates to a kind of nano silicon cladding titanium dioxide powder.
Background technology
Titanium dioxide is widely used at aspects such as coating, plastics as white pigment.Because titanium dioxide has the photocatalyst effect, the weather resistance of coating there is detrimentally affect.In order to address this problem, paint grade titanium dioxide is generally all used silicon-dioxide and aluminum oxide to carry out the surface and is coated the weather resistance that improves titanium dioxide.But existing coated with silica titanium dioxide technology is to add water glass in titanium dioxide, by in and water glass obtain silicic acid, be coated on titanium dioxide surface then, because the silicic acid with gained in the water glass easily forms gel, can not improve the content of silicon-dioxide a lot, can't produce when addition is high.And in the existing technology, the surface of titanium dioxide coat homogeneity and porousness relatively poor, titanium dioxide is used for also remaining further to be improved on the close property of coating and resin.
The present invention has developed the nano-silicon dioxide particle stacking method in order to address the above problem, and has solved the problems referred to above.
Characteristics of the present invention are to replace water glass with silicon sol, the gelatin phenomenon when having avoided improving the dioxide-containing silica coating.Preparation method of the present invention is easy to silicon-dioxide titanium dioxide is effectively coated, and further improves the weather resistance of titanium dioxide.The surface of coated with silica titanium dioxide is porousness, be beneficial to dispersion with coating mixing rear surface is easily moistening, the part of resin can be invaded and be formed a kind of oblique structure in the coating layer after while and resin solidified together, improve the adhesive ability of titanium dioxide and resin greatly, finally improve the weather resistance of coating etc.
Summary of the invention
The purpose of this invention is to provide a kind of nano silicon cladding titanium dioxide powder, replace water glass with silicon sol, avoided the gelatin phenomenon that when improving dioxide-containing silica, coats, improve porousness and the homogeneity of clad surface simultaneously.
In order to solve above-mentioned technical problem, the present invention takes following technical scheme:
A kind of nano silicon cladding titanium dioxide powder, component by following weight per-cent is formed: silicon-dioxide 0.5%～30%, the raw material sources of described silicon-dioxide are silicon sol, the massfraction of silicon-dioxide is 5～30% in the described silicon sol, and the silicon-dioxide median size is 5nm～30nm; Titanium dioxide 70%～99.5%, median size 0.05 μ m～2 μ m.Adopt silicon sol as the source of silicon-dioxide, not only can carry out effectively titanium dioxide, coat uniformly, avoided gelatin phenomenon, can increase the content of silicon-dioxide in the powder simultaneously.
As the preferred embodiments of the present invention, in above-mentioned powder, preferably: described silicon sol is a kind of in sodium type silicon sol or the acidic silicasol.
The preparation method of described nano silicon cladding titanium dioxide powder may further comprise the steps:
Step 1: it is 10～40% slip that titanium dioxide is mixed with solid content;
Step 2: in slip, add silicon sol, slowly add acid or alkali under the agitation condition and regulate pH to neutral;
Step 3: after continuing to stir the 5-6h slaking, filter, and use the washed with de-ionized water filter cake;
Step 4: behind filtration cakes torrefaction, heating 3h under 300～1000 ℃, cooling, after the pulverizing, powder surface is handled with silane coupling agent.
As the preferred embodiments of the present invention, among the above-mentioned preparation method, preferably: described acid is hydrochloric acid, sulfuric acid, nitric acid, mineral acid.
As the preferred embodiments of the present invention, among the above-mentioned preparation method, preferably: described alkali is sodium hydroxide, potassium hydroxide, ammoniacal liquor, alkali-metal carbonate and supercarbonate.
The present invention compared with prior art has following beneficial effect:
(1) adopt silicon sol to replace water glass as the source of silicon-dioxide among the present invention, adopt undressed titanium dioxide powder to be mixed with slip earlier, gelatin phenomenon when having avoided to the coating of raising dioxide-containing silica, thereby the coated with silica titanium dioxide powder homogeneity of preparation is better, and the dioxide-containing silica that is coated on titanium dioxide surface also can increase.
(2) the present invention is easy to realize that silicon-dioxide effectively coats titanium dioxide, further improve the weather resistance of titanium dioxide, and the preparation method is simple, and raw material is easy to get, and cost is low.
(3) surface of coated with silica titanium dioxide powder is porousness, be beneficial to dispersion with coating mixing rear surface is easily moistening, the part of resin can be invaded and be formed a kind of oblique structure in the coating layer after while and resin solidified together, improve the adhesive ability of titanium dioxide and resin greatly, finally improve the weather resistance of coating etc.
(4) after powder surface adopted silane coupling agent to handle, the bonding interface that has improved the affinity of powder and resin and resin was good, and on the close property of resin raising was arranged also.
Description of drawings
Fig. 1 is the titanium dioxide Electronic Speculum figure behind the high temperature sintering;
Fig. 2 is the Electronic Speculum figure of the nano silicon cladding titanium dioxide powder of embodiment 1 preparation.
Embodiment
The invention will be further elaborated and explanation below in conjunction with embodiments of the invention.
Embodiment 1:
Step 1: will be scattered in the slip that is prepared into solid content 10～40% in the deionized water without the titanium dioxide of 0.2 micron of surface treatment median size.
Step 2: in slip, drop into the silicon sol (Na type, solid content 30%, median size 10nm) that single stage method is produced by the dioxide-containing silica 10% in the final powder, under agitation condition, add acid at a slow speed the pH value is transferred to neutrality.
Step 3: after continuing to stir slaking in 5-6 hour, filter, and use the washed with de-ionized water filter cake.
Step 4: behind filtration cakes torrefaction, in 600 ℃ of heating cooling after 3 hours.After breaing up with airflow milling nano silicon cladding titanium dioxide powder, pile up the basic no change of particle diameter of homogeneous, composite particles with the bright nano silicon of Electronic Speculum observation watch, do not have obvious clustering phenomena.Fig. 1 is the titanium dioxide Electronic Speculum figure behind the high temperature sintering; Fig. 2 is the Electronic Speculum figure of the nano silicon cladding titanium dioxide powder of embodiment 1 preparation.
Embodiment 2:
Step 1: the slurry that will be scattered in preparation solid content 10～40% in the deionized water without the titanium dioxide of 0.2 micron of surface treatment median size.
Step 2: in slurry, drop into the silicon sol (Na type, solid content 30%, median size 10nm) that single stage method is produced by the dioxide-containing silica 25% in the final powder, under agitation condition, add acid at a slow speed PH is transferred to neutrality.
Step 3: after continuing to stir slaking in 5-6 hour, filter, and use the washed with de-ionized water filter cake.
Step 4: with 900 ℃ of heating coolings after 3 hours behind the filtration cakes torrefaction.With airflow milling break up nano silicon cladding titanium dioxide powder.With the bright nano silicon oxide of Electronic Speculum observation watch pile up homogeneous, composite particles the basic no change of particle diameter, do not have obvious clustering phenomena.
Embodiment 3:
Step 1: the slurry that will be scattered in preparation solid content 10～40% in the deionized water without the titanium dioxide of 1 micron of surface treatment median size.
Step 2: drop into the silicon sol (Na type, solid content 30%, median size 10nm) that single stage method is produced by the dioxide-containing silica 2% in the final powder in the slurry, under agitation condition, add 5% hydrochloric acid at a slow speed pH is transferred to neutrality.
Step 3: after continuing to stir slaking in 5-6 hour, filter, and use the washed with de-ionized water filter cake.To cool off after 3 hours in 600 ℃ of heating behind the filtration cakes torrefaction.With airflow milling break up nano silicon cladding titanium dioxide powder.With the bright nano silicon oxide of Electronic Speculum observation watch pile up homogeneous, composite particles the basic no change of particle diameter, do not have obvious clustering phenomena.
Embodiment 4:
With the nano silicon cladding titanium dioxide powder of embodiment 1 with phenyltrimethoxysila,e, treatment capacity be 2% the surface treating nano coated with silica titanium dioxide powder of embodiment 4.
Embodiment 5:
Step 1: will be scattered in the slip that is prepared into solid content 10～40% in the deionized water without the titanium dioxide of 0.2 micron of surface treatment median size.
Step 2: in slip, drop into the silicon sol (Na type, solid content 30%, median size 10nm) that single stage method is produced by the dioxide-containing silica 10% in the final powder, under agitation condition, add acid at a slow speed the pH value is transferred to neutrality.
Step 3: after continuing to stir slaking in 5-6 hour, filter, and use the washed with de-ionized water filter cake.
Step 4: behind filtration cakes torrefaction, in 1000 ℃ of heating cooling after 3 hours.After breaing up with airflow milling nano silicon cladding titanium dioxide powder, pile up the basic no change of particle diameter of homogeneous, composite particles with the bright nano silicon of Electronic Speculum observation watch, do not have obvious clustering phenomena.
Embodiment 6:
Step 1: will be scattered in the slip that is prepared into solid content 10～40% in the deionized water without the titanium dioxide of 0.2 micron of surface treatment median size.
Step 2: in slip, drop into the silicon sol (Na type, solid content 30%, median size 10nm) that single stage method is produced by the dioxide-containing silica 10% in the final powder, under agitation condition, add acid at a slow speed the pH value is transferred to neutrality.
Step 3: after continuing to stir slaking in 5-6 hour, filter, and use the washed with de-ionized water filter cake.
Step 4: behind filtration cakes torrefaction, in 300 ℃ of heating cooling after 3 hours.After breaing up with airflow milling nano silicon cladding titanium dioxide powder, pile up the basic no change of particle diameter of homogeneous, composite particles with the bright nano silicon of Electronic Speculum observation watch, do not have obvious clustering phenomena.
Embodiment 7:
Step 1: with acid titanium oxide dispersion as slip standby (0.05 micron of median size, solid content 30%).
Step 2: in slip, drop into acidic silicasol (acidity, solid content 5%, median size 5nm) by the dioxide-containing silica 1% in the final powder, under agitation condition, add aqueous sodium hydroxide solution at a slow speed pH is transferred to neutrality.
Step 3: after continuing to stir slaking in 6 hours, filter, and use the washed with de-ionized water filter cake.
Step 4: with 500 ℃ of heating coolings after 3 hours behind the filtration cakes torrefaction.After breaing up with airflow milling nano silicon cladding titanium dioxide powder.The basic no change of particle diameter with the bright nano silicon accumulation of Electronic Speculum observation watch homogeneous, composite particles does not have obvious clustering phenomena.
Evaluation Example 1
Be 1% to add in the polyvinyl resin with and be pressed into the sheet test film after the cylinder mixing the powder of embodiment 1-7 and raw material titanium dioxide according to content of titanium dioxide.In ammonia atmosphere, under 40 ℃ of conditions with fluorescent lamp irradiation 48 hours.Irradiation portion and not the color of irradiation portion compare.Do not have colour-change be zero, slight colour-change for △, have considerable change for *.Evaluation result is listed table 1 in.
Table 1
Evaluation Example 2
The powder of embodiment 4 is pressed massfraction 10% add coating curing behind thermofixation varnish the mixings homogeneous.The section back is good with the bonding interface of electron microscopic observation discovery Titanium particles distribution homogeneous and resin with solidifying, and compares with raw material titanium dioxide to have clear improvement.
Although invention has been described with reference to explanatory embodiment of the present invention here, above-described embodiment only is preferred implementation of the present invention, embodiments of the present invention are not restricted to the described embodiments, should be appreciated that, those skilled in the art can design a lot of other modification and embodiments, and these are revised and embodiment will drop within the disclosed principle scope and spirit of the application.
Claims (5)
1. nano silicon cladding titanium dioxide powder, it is characterized in that being formed by the component of following weight per-cent: silicon-dioxide 0.5%～30%, the silicon-dioxide median size is 5nm～30nm, the raw material sources of described silicon-dioxide are silicon sol, and the massfraction of silicon-dioxide is 5～30% in the described silicon sol; Titanium dioxide 70%～99.5%, median size 0.05 μ m～2 μ m.
2. nano silicon cladding titanium dioxide powder according to claim 1 is characterized in that described silicon sol is sodium type silicon sol or acidic silicasol.
3. nano silicon cladding titanium dioxide powder according to claim 1 and 2 is characterized in that the preparation method of described powder may further comprise the steps:
Step 1: it is 10～40% slip that titanium dioxide is mixed with solid content;
Step 2: in slip, add silicon sol, slowly add acid or alkali under the agitation condition and regulate pH to neutral;
Step 3: after continuing to stir the 5-6h slaking, filter, and use the washed with de-ionized water filter cake;
Step 4: behind filtration cakes torrefaction, heating 3h under 300～1000 ℃, cooling, after the pulverizing, powder surface is handled with silane coupling agent.
4. nano silicon cladding titanium dioxide powder according to claim 3 is characterized in that described acid is hydrochloric acid, sulfuric acid, nitric acid, mineral acid.
5. nano silicon cladding titanium dioxide powder according to claim 3 is characterized in that described alkali is sodium hydroxide, potassium hydroxide, ammoniacal liquor, alkali-metal carbonate and supercarbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310122112XA CN103232733A (en) | 2013-04-10 | 2013-04-10 | Nano-scale silica-coated titanium dioxide powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310122112XA CN103232733A (en) | 2013-04-10 | 2013-04-10 | Nano-scale silica-coated titanium dioxide powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103232733A true CN103232733A (en) | 2013-08-07 |
Family
ID=48880806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310122112XA Pending CN103232733A (en) | 2013-04-10 | 2013-04-10 | Nano-scale silica-coated titanium dioxide powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103232733A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538609A (en) * | 2014-12-23 | 2015-04-22 | 东莞市迈科科技有限公司 | Negative electrode composite material for lithium ion battery and preparation method of negative electrode composite material |
| CN105131655A (en) * | 2015-07-20 | 2015-12-09 | 苏州宇希新材料科技有限公司 | Nano titanium dioxide modified through liquid silicon deposition |
| CN105542512A (en) * | 2016-02-03 | 2016-05-04 | 常州大学 | Preparation method of water-based zinc-titanium composite slurry |
| CN106433337A (en) * | 2016-11-03 | 2017-02-22 | 张静 | Preparation method of self-cleaning waterborne fluorocarbon coating |
| CN107629333A (en) * | 2017-09-18 | 2018-01-26 | 滁州市永通交通设备有限公司 | A kind of preparation method of flex cracking resistance outer hood elastomeric material |
| CN108816159A (en) * | 2018-06-05 | 2018-11-16 | 杭州惟翔科技有限公司 | Nucleocapsid silicate sol and its manufacturing method |
| CN109433174A (en) * | 2018-10-16 | 2019-03-08 | 上海申得欧有限公司 | Silicate cladding titanium dioxide photocatalyst powder and preparation method thereof |
| CN110305415A (en) * | 2019-07-24 | 2019-10-08 | 金旸（厦门）新材料科技有限公司 | A kind of heat-insulated PP composite material and its prepare raw material and preparation method and application |
| CN110498961A (en) * | 2019-08-19 | 2019-11-26 | 安徽瑞琦塑胶科技有限公司 | A kind of composite polyethylene material and preparation method thereof with fungicidal properties |
| CN111330562A (en) * | 2020-04-11 | 2020-06-26 | 中山蓝冰节能环保科技有限公司 | Preparation method and application of photocatalytic gel particles |
| CN112625471A (en) * | 2019-10-09 | 2021-04-09 | 任清扬 | Preparation method of photosensitive protection type titanium dioxide coating |
| CN112758940A (en) * | 2020-12-31 | 2021-05-07 | 浙江三时纪新材科技有限公司 | Spherical powder filler and preparation method and application thereof |
| CN112920683A (en) * | 2021-02-23 | 2021-06-08 | 济南润德医用工程有限公司 | Environment-friendly self-cleaning high-performance ceramic powder material and preparation method thereof |
| CN113372719A (en) * | 2021-07-30 | 2021-09-10 | 深圳陶陶科技有限公司 | Antibacterial composite material, formula and preparation method thereof |
| CN115650670A (en) * | 2022-10-31 | 2023-01-31 | 深圳市航天新材科技有限公司 | Preparation method of large-volume fly ash seawater sea sand concrete and composite nano material and preparation method of concrete |
| CN115926502B (en) * | 2022-12-29 | 2024-09-06 | 武汉苏泊尔炊具有限公司 | Non-stick material, preparation method thereof and non-stick coating |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993816A (en) * | 2012-10-26 | 2013-03-27 | 雅安百图高新材料有限公司 | Titanium dioxide spherical composite oxide and preparation method thereof |
-
2013
- 2013-04-10 CN CN201310122112XA patent/CN103232733A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993816A (en) * | 2012-10-26 | 2013-03-27 | 雅安百图高新材料有限公司 | Titanium dioxide spherical composite oxide and preparation method thereof |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538609A (en) * | 2014-12-23 | 2015-04-22 | 东莞市迈科科技有限公司 | Negative electrode composite material for lithium ion battery and preparation method of negative electrode composite material |
| CN105131655A (en) * | 2015-07-20 | 2015-12-09 | 苏州宇希新材料科技有限公司 | Nano titanium dioxide modified through liquid silicon deposition |
| CN105131655B (en) * | 2015-07-20 | 2017-10-24 | 苏州宇希新材料科技有限公司 | The nano titanium oxide that a kind of liquid phase siliceous deposits is modified |
| CN105542512A (en) * | 2016-02-03 | 2016-05-04 | 常州大学 | Preparation method of water-based zinc-titanium composite slurry |
| CN106433337A (en) * | 2016-11-03 | 2017-02-22 | 张静 | Preparation method of self-cleaning waterborne fluorocarbon coating |
| CN107629333A (en) * | 2017-09-18 | 2018-01-26 | 滁州市永通交通设备有限公司 | A kind of preparation method of flex cracking resistance outer hood elastomeric material |
| CN108816159B (en) * | 2018-06-05 | 2021-06-08 | 浙江传化涂料有限公司 | Core-shell silicate sol and method for producing same |
| CN108816159A (en) * | 2018-06-05 | 2018-11-16 | 杭州惟翔科技有限公司 | Nucleocapsid silicate sol and its manufacturing method |
| CN109433174A (en) * | 2018-10-16 | 2019-03-08 | 上海申得欧有限公司 | Silicate cladding titanium dioxide photocatalyst powder and preparation method thereof |
| CN110305415A (en) * | 2019-07-24 | 2019-10-08 | 金旸（厦门）新材料科技有限公司 | A kind of heat-insulated PP composite material and its prepare raw material and preparation method and application |
| CN110305415B (en) * | 2019-07-24 | 2021-04-20 | 金旸（厦门）新材料科技有限公司 | Heat-insulating polypropylene composite material, and preparation raw materials, preparation method and application thereof |
| CN110498961B (en) * | 2019-08-19 | 2022-03-29 | 安徽瑞琦塑胶科技有限公司 | Polyethylene composite material with mildew-proof performance and preparation method thereof |
| CN110498961A (en) * | 2019-08-19 | 2019-11-26 | 安徽瑞琦塑胶科技有限公司 | A kind of composite polyethylene material and preparation method thereof with fungicidal properties |
| CN112625471A (en) * | 2019-10-09 | 2021-04-09 | 任清扬 | Preparation method of photosensitive protection type titanium dioxide coating |
| CN111330562A (en) * | 2020-04-11 | 2020-06-26 | 中山蓝冰节能环保科技有限公司 | Preparation method and application of photocatalytic gel particles |
| CN111330562B (en) * | 2020-04-11 | 2023-05-09 | 中山蓝冰节能环保科技有限公司 | Preparation method and application of photocatalytic gel particles |
| CN112758940A (en) * | 2020-12-31 | 2021-05-07 | 浙江三时纪新材科技有限公司 | Spherical powder filler and preparation method and application thereof |
| CN112920683A (en) * | 2021-02-23 | 2021-06-08 | 济南润德医用工程有限公司 | Environment-friendly self-cleaning high-performance ceramic powder material and preparation method thereof |
| CN113372719A (en) * | 2021-07-30 | 2021-09-10 | 深圳陶陶科技有限公司 | Antibacterial composite material, formula and preparation method thereof |
| CN115650670A (en) * | 2022-10-31 | 2023-01-31 | 深圳市航天新材科技有限公司 | Preparation method of large-volume fly ash seawater sea sand concrete and composite nano material and preparation method of concrete |
| CN115650670B (en) * | 2022-10-31 | 2024-01-30 | 深圳市航天新材科技有限公司 | Sea water and sea sand concrete with large amount of fly ash and preparation method thereof |
| CN115926502B (en) * | 2022-12-29 | 2024-09-06 | 武汉苏泊尔炊具有限公司 | Non-stick material, preparation method thereof and non-stick coating |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103232733A (en) | Nano-scale silica-coated titanium dioxide powder | |
| CN107954429B (en) | Silicon dioxide hollow microsphere, preparation method thereof and application thereof in heat-insulating coating | |
| CN101649147B (en) | Water transparent heat insulation paint and preparation method thereof | |
| KR20150137994A (en) | Process for production of hollow silica particles, hollow silica particles, and composition and insulation sheet which contain same | |
| TWI510434B (en) | A chain-like silica-based hollow fine particles and a method for producing the same, a coating liquid for forming a transparent film containing the fine particles, and a substrate coated with a transparent film | |
| CN108912754A (en) | A kind of super-hydrophobic SiO2The preparation method and application of nano functional liquid | |
| CN102504661A (en) | Nanometer heat isolation paint and preparation method thereof | |
| CN105503146A (en) | Clay material for laser sintering 3D printing and preparation method of clay material | |
| JP5284632B2 (en) | Conductive fibrous hollow silica fine particle dispersoid and process for producing the same | |
| CN112625464B (en) | Preparation method of PEG (polyethylene glycol) and carbon powder refined cristobalite coated gamma-Ce 2S3 red pigment and product prepared by preparation method | |
| CN107723833B (en) | Preparation method of α -nano-alumina modified polyester fiber | |
| WO2012121130A1 (en) | Hollow nanoparticles comprising silica shells, and process for producing same | |
| CN102850828A (en) | Active nano silica composition and preparation method thereof | |
| CN110407212B (en) | High-dispersity nano carbonate gel as well as preparation method and application thereof | |
| CN105384993B (en) | White carbon black composite powder production method | |
| CN109535771B (en) | Cobalt blue attapulgite nano composite pigment, preparation method and application thereof | |
| CN114716847B (en) | Preparation method of pearlescent pigment with flaky alpha-alumina as matrix | |
| CN111018552A (en) | High-uniformity nanometer microporous thermal insulation plate and preparation method thereof | |
| CN102604543A (en) | Preparation method of high-stability nano cerium dioxide aqueous slurry for polishing solution | |
| CN113773679B (en) | Transparent heat-insulating coating with high infrared blocking rate and preparation method thereof | |
| CN111471321B (en) | Preparation method of porous light silica filler | |
| JP2016011224A (en) | Hydrophobic silica-based powder, composition for molding rubber comprising the same, and method for producing the same | |
| CN112126294B (en) | Antibacterial and anti-ultraviolet color temperature-adjusting coating containing iron oxide/silicon dioxide coated paraffin phase-change microcapsules and preparation method thereof | |
| CN114806220A (en) | Modified barium sulfate powder, preparation method thereof and modified barium sulfate coated diaphragm | |
| CN109158591B (en) | Metallic aluminum coated cubic boron nitride and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130807 |