CN101434758A - Processing method of high performance composite titanium dioxide pigment - Google Patents
Processing method of high performance composite titanium dioxide pigment Download PDFInfo
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- CN101434758A CN101434758A CNA2007101136507A CN200710113650A CN101434758A CN 101434758 A CN101434758 A CN 101434758A CN A2007101136507 A CNA2007101136507 A CN A2007101136507A CN 200710113650 A CN200710113650 A CN 200710113650A CN 101434758 A CN101434758 A CN 101434758A
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- titanium dioxide
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Abstract
The invention provides a method for processing high performance compound titanium white pigment, which is characterized in that a layer of aluminum oxide envelope is formed on the surface of titanium dioxide powder. The titanium dioxide powder with the envelope is mixed with the compound powder consisting of calcite, kaolin, lithopone, cation powder and the like, and then the high performance compound titanium white pigment is prepared through activated modification with amphoteric oxide of the cation powder and a surfactant. Through the technique, the processed product is excellent in masking power and color reduction and bright and smooth in color, has fine light resistance, dispersibility and weather resistance and can be widely applied to the production of interior and exterior wall coating, top quality paint, plastic, paper, printing ink, chemical fiber or cosmetics.
Description
Technical field:
The present invention relates to the production technical field of white pigment, particularly a kind of coating is expected and preparation method thereof with white face (filling out).
Background technology:
Titanium dioxide is a kind of white pigment, formal name used at school titanium dioxide, as a kind of important inorganic chemical product, because its stable chemical performance, have high refractive index and ideal size-grade distribution, therefore be widely used in the many faster fields of development in recent years speed with its good opacifying power, tinting strength, as coating, printing ink, plastics, rubber, paper, pottery and synthon etc.The consumption nearly 60% of world's titanium dioxide at present is used for coating, and 16% is used for plastics, and 14% is used for papermaking, and 3% is used for printing-ink, and 7% is used for other (comprising rubber, makeup, medicine, enamel and chemical fibre etc.).Because the titanium dioxide Application Areas is very extensive.It is the indispensable important source material of industry production such as coating, plastics, printing ink, paper, chemical fibre, daily use chemicals, medicine, food, therefore the titanium dioxide total amount consumed is the important references sign of the social consumption level of a country, and the production of titanium dioxide enjoys the attention of each industrially developed country.But it is fine that the kind of existing titanium dioxide has plenty of weathering resistance, and what have then is that glossiness is fine.But the development of society had both required the glossiness height now, required good weatherability again, and opacifying power is good etc., and single like this kind just can not meet the demands.Simultaneously, in the last few years,, the demand of white pigment titanium dioxide was grown with each passing day along with the construction industry of factors such as Economic development, social progress and people's living standard raising drive and the fast development of relevant paint industry.And the shortage day by day of world's high-quality titanium resource, the resources processing process complications, the environmental protection requirement strictness, these all cause the titanium white production cost to increase, and price raises up.Therefore, the market demand performance is saved effective substitute of titanium resource comprehensively and effectively, and high performance composite titanium dioxide pigment (abbreviation composite titanium dioxide) becomes to reduce cost and overcomes the staple product of shortage of resources.
Summary of the invention;
The working method that provides a kind of high performance composite titanium dioxide pigment to be solved by this invention, overcome the shortcoming of prior art, for market provide a kind of price low, have the compound characteristics of high gloss, polymolecularity, high-weatherability simultaneously, can replace the product of the bigger single performance of original performance difference.
The working method of high performance composite titanium dioxide pigment of the present invention, it is characterized in that: will mix through the composite granule that titanium dioxide and calcite, kaolin, zinc sulfide white, cationic amylaceous behind the aluminum oxide coating etc. are formed respectively, carry out activation modification by cationic amylaceous intermediate oxide and tensio-active agent and make high performance composite titanium dioxide pigment.Matrix material (calcite, kaolin, zinc sulfide white etc.) 20～50%, titanium dioxide 50～80%.
The titanium dioxide outward appearance is fine white powder.Can be applied in the multiple products such as paint, paper and printing ink.Can improve its application performance by the processing of aluminum oxide coating, mainly be glossiness, weather resisteant, the yellowing resistance that has improved titanium dioxide, improves the dispersiveness in application process.
Concrete preparation method is:
1, titanium dioxide powder is under whipped state, ionized water preparation the becoming slurry that adds 80～100 ℃, regulate PH between 6.5～8.5, add aluminum oxide, aluminum oxide accounts for 3～6% of titanium dioxide gross weight, slaking then, at this moment between in to remain slip PH be stabilized between 4.5～6.5, finish coating;
2, powders such as calcite, kaolin, zinc sulfide white, cationic amylaceous are mixed, make composite granule;
3, the titanium dioxide behind the aluminum oxide coating is mixed with compound split, carry out activation modification by cationic amylaceous intermediate oxide and tensio-active agent;
4, be uniformly dispersed by high speed dispersor, make high performance composite titanium dioxide pigment.
Embodiment 1
1, gets anatase thpe white powder 20kg under whipped state, add 80～100 ℃ ionized water preparation becoming slurry, regulate PH between 6.5～8.5, add aluminum oxide 1KG, slaking then, at this moment between in to remain slip PH be stabilized between the 4.5-6.5, finish coating;
2, get 3 kilograms of kaolin, 3 kilograms in zinc sulfide white, 0.5 kilogram of negative ion powder, 0.5 kilogram in positive ion powder, 72 kilograms of calcite in powder, each material fineness are 600 orders, mix.
3, all raw materials are mixed the back and be uniformly dispersed, make high performance composite titanium dioxide pigment by high speed dispersor.
The whiteness of sample is measured according to GB/T 17749-1999, and reducing power is measured according to GB5211.16-88.It is 95.8% that products therefrom is measured whiteness, and reducing power is 95.3%, oil number 26g/100g, opacifying power 22g/m2
Embodiment 2
1, gets anatase thpe white powder 30kg under whipped state, add 80～100 ℃ ionized water preparation becoming slurry, regulate PH between 6.5～8.5, add aluminum oxide 1.5KG, slaking then, at this moment between in to remain slip PH be stabilized between the 4.5-6.5, finish coating;
2, get 3 kilograms of kaolin, 3 kilograms in zinc sulfide white, 0.8 kilogram of negative ion powder, 0.7 kilogram in positive ion powder, 61 kilograms of calcite in powder, each material fineness are 800 orders, mix.
3, all raw materials are mixed the back and be uniformly dispersed, make high performance composite titanium dioxide pigment by high speed dispersor.
The whiteness of sample is measured according to GB/T 17749-1999, and reducing power is measured according to GB5211.16-88.It is 96% that products therefrom is measured whiteness, and reducing power is 95.8%, oil number 26.5g/100g, opacifying power 20g/m2
Embodiment 3
1, gets anatase thpe white powder 80kg under whipped state, add 80～100 ℃ ionized water preparation becoming slurry, regulate PH between 6.5～8.5, add aluminum oxide 4KG, slaking then, at this moment between in to remain slip PH be stabilized between the 4.5-6.5, finish coating;
2, get 3 kilograms of kaolin, 3 kilograms in zinc sulfide white, 1 kilogram of negative ion powder, 1 kilogram in positive ion powder, 16 kilograms of calcite in powder, each material fineness are 1000 orders, mix.
3, all raw materials are mixed the back and be uniformly dispersed, make high performance composite titanium dioxide pigment by high speed dispersor.
The whiteness of sample is measured according to GB/T 17749-1999, and reducing power is measured according to GB5211.16-88.It is 98% that products therefrom is measured whiteness, and reducing power is 96.3%, oil number 27.5g/100g, opacifying power 18g/m
2
Claims (5)
1, a kind of working method of high performance composite titanium dioxide pigment is characterized in that adopting calcite, kaolin, zinc sulfide white, cationic amylaceous etc., with the titanium dioxide behind the aluminum oxide coating, disperses methods such as modification to make.
2, high performance composite titanium dioxide pigment according to claim 1 is characterized in that calcite, kaolin, zinc sulfide white, oxonium ion powder 20-50%, titanium dioxide 50～80%.
3, high performance composite titanium dioxide pigment according to claim 1, titanium dioxide powder surface alumina oxide coating, aluminum oxide accounts for 2～4% of titanium dioxide gross weight.
4, according to claim 3, titanium dioxide comprises anatase titanium dioxide or rutile-type or both mixtures.
5, a kind of high performance composite titanium dioxide pigment according to claim 1 is characterized in that: the fineness of kaolin, zinc sulfide white is 600～800 orders in raw materials used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101136507A CN101434758A (en) | 2007-11-16 | 2007-11-16 | Processing method of high performance composite titanium dioxide pigment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101136507A CN101434758A (en) | 2007-11-16 | 2007-11-16 | Processing method of high performance composite titanium dioxide pigment |
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| Publication Number | Publication Date |
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| CN101434758A true CN101434758A (en) | 2009-05-20 |
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| CNA2007101136507A Pending CN101434758A (en) | 2007-11-16 | 2007-11-16 | Processing method of high performance composite titanium dioxide pigment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851437A (en) * | 2010-04-27 | 2010-10-06 | 浙江皓翔矿业有限公司 | Pyrophyllite-based composite titanium white powder and preparation method thereof |
| CN103436055A (en) * | 2013-09-09 | 2013-12-11 | 郴州四方立投资有限公司 | Preparation method of nanometer aluminum oxide clad kaoline composite material |
| CN103450713A (en) * | 2013-08-22 | 2013-12-18 | 丹东亿龙高科技材料有限公司 | Chlorite-based composite titanium dioxide powder and preparation method thereof |
| CN105860593A (en) * | 2016-04-08 | 2016-08-17 | 广东工业大学 | Composition capable of enhancing pearlescent effect of pearlescent pigment, and preparation method and application thereof |
-
2007
- 2007-11-16 CN CNA2007101136507A patent/CN101434758A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851437A (en) * | 2010-04-27 | 2010-10-06 | 浙江皓翔矿业有限公司 | Pyrophyllite-based composite titanium white powder and preparation method thereof |
| CN101851437B (en) * | 2010-04-27 | 2013-04-10 | 浙江皓翔矿业有限公司 | Pyrophyllite-based composite titanium white powder and preparation method thereof |
| CN103450713A (en) * | 2013-08-22 | 2013-12-18 | 丹东亿龙高科技材料有限公司 | Chlorite-based composite titanium dioxide powder and preparation method thereof |
| CN103436055A (en) * | 2013-09-09 | 2013-12-11 | 郴州四方立投资有限公司 | Preparation method of nanometer aluminum oxide clad kaoline composite material |
| CN105860593A (en) * | 2016-04-08 | 2016-08-17 | 广东工业大学 | Composition capable of enhancing pearlescent effect of pearlescent pigment, and preparation method and application thereof |
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Open date: 20090520 |