CN103289444B - Method for preparing anti-ultraviolet and acid-resisting iron oxide black granules - Google Patents
Method for preparing anti-ultraviolet and acid-resisting iron oxide black granules Download PDFInfo
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- CN103289444B CN103289444B CN201310194689.1A CN201310194689A CN103289444B CN 103289444 B CN103289444 B CN 103289444B CN 201310194689 A CN201310194689 A CN 201310194689A CN 103289444 B CN103289444 B CN 103289444B
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- iron oxide
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Abstract
The invention discloses a method for preparing anti-ultraviolet and acid-resisting iron oxide black granules. The method comprises the following specific steps of: dissolving sodium pyrophosphate, methyl hydroxyethyl cellulose and a silane coupling agent KH550 into deionized water according to a certain weight ratio, so as to obtain viscous liquid; adding an anti-ultraviolet agent and attapulgite to the obtained viscous liquid so as to carry out modification; and adding iron oxide black to a granulator for granulation while uniformly spraying the modified viscous liquid to iron oxide black powder, so as to form small iron oxide black granules, drying and sieving, thereby obtaining finished products. The iron oxide black granules prepared by the method have the characteristics of excellent temperature resistance, good ultraviolet ray, acid and alkali resistance, strong light absorption, high coloring power, good compatibility, good dispersion and the like and have huge market prospects.
Description
Technical field
The present invention relates to a kind of preparation method of iron oxide black, be specifically related to the preparation method of the acidproof iron oxide black particle of a kind of uvioresistant.
Background technology
Iron oxide black, molecular formula is Fe
3o
4, being black powder, is Fe
2o
3with the affixture of FeO, water insoluble, have magnetic, tinting strength and opacifying power are very high.Iron oxide black, as the one in iron pigment, due to its feature such as nontoxic, odorless, pollution-free, is widely used in phenolic antirust paint filler, heavy-duty coating priming paint etc. in building trade; For rubber, plastics painted time, have the effect that reinforcement is aging, simultaneously protect organism by the feature of ultraviolet degradation; In addition, also for artificial marble, pottery and cement flooring painted.But the phenomenons such as iron oxide black can fade at relatively high temperatures, variable color, heat-resistant stability is poor, thus limits the use range of iron oxide black.
Summary of the invention
The object of the present invention is to provide the preparation method of the acidproof iron oxide black particle of a kind of uvioresistant, improve the high-temperature stability of iron oxide black.
The technical solution used in the present invention is as follows:
A preparation method for the acidproof iron oxide black particle of uvioresistant, comprises the following steps:
(1) taking trisodium phosphate, methyl hydroxyethylcellulose and Silane coupling agent KH550 by weight 2-3:2-3:1 adds in 10-15 times of deionized water, and heating in water bath is to 50-55 DEG C, and ultrasonic disperse 30-40 minute, obtains viscous liquid;
(2) in above-mentioned obtained viscous liquid, add the anti UV agent of 2-3% and the attapulgite of 1-3%, 2000-2500rpm high speed shear dispersion 15-20 minute, obtains anti UV agent and attapulgite modified viscous liquid;
(3) get 100-130 part iron oxide black by weight to add in tablets press and carry out granulation, simultaneously by viscosity modifying uniform liquid ground spray obtained for 55-65 part step (2) on iron oxide black powder, form iron oxide black small-particle;
(4) the iron oxide black particle that step (3) is obtained is dried at 90-95 DEG C, then cross 50-80 mesh sieve, get product.
Ultrasonic power described in step (1) is 500-800W, and ultrasonic frequency is 20-30KHz.
The rotating speed of the tablets press described in step (3) is 1500-2500rpm.
Beneficial effect of the present invention:
Iron oxide black powder is manufactured surface coverage by the present invention to be had containing anti UV agent, attapulgite, can significantly improve iron oxide black anti-ultraviolet property and acid resistance, expand its adaptive surface, also improve mobility and the dispersiveness of black iron oxide pigment simultaneously; The iron oxide black that the present invention produces has superior heat resistance, and good uvioresistant is acidproof, the feature such as alkaline resistance properties and light absorptive is strong, tinting strength is high, consistency is good, good dispersity, has huge market outlook.
Embodiment
A preparation method for the acidproof iron oxide black particle of uvioresistant, comprises the following steps:
(1) taking trisodium phosphate, methyl hydroxyethylcellulose and Silane coupling agent KH550 by weight 3:2:1 adds in 12 times of deionized waters, heating in water bath to 55 DEG C, and ultrasonic disperse 30 minutes, obtains viscous liquid;
(2) in above-mentioned obtained viscous liquid, add the anti UV agent of 3% and the attapulgite of 2%, 2000rpm high speed shear disperses 20 minutes, obtains anti UV agent and attapulgite modified viscous liquid;
(3) get 125 parts of iron oxide blacks by weight to add in tablets press and carry out granulation, simultaneously by viscosity modifying uniform liquid ground spray obtained for 60 parts of steps (2) on iron oxide black powder, form iron oxide black small-particle;
(4) the iron oxide black particle that step (3) is obtained is dried at 95 DEG C, then cross 60 mesh sieves, get product.
Ultrasonic power described in step (1) is 600W, and ultrasonic frequency is 25KHz.
The rotating speed of the tablets press described in step (3) is 2500rpm.
The iron oxide black product performance analysis data that the present embodiment is produced is as following table:
| Project | Index | Detected result |
| The water solubles (%) | ≤1.0 | ?0.65 |
| 105 DEG C of volatile matters (%) | ≤1.0 | 0.77 |
| Oil number (%) | 15-25 | 22.4 |
| Tinctorial strength (%) | 95-105 | 98.5 |
| Resistance to 200 DEG C/30min (△ E) | ≤1.0 | 0.76 |
Claims (1)
1. a preparation method for the acidproof iron oxide black particle of uvioresistant, is characterized in that comprising the following steps:
(1) taking trisodium phosphate, methyl hydroxyethylcellulose and Silane coupling agent KH550 by weight 2-3:2-3:1 adds in 10-15 times of deionized water, and heating in water bath is to 50-55 DEG C, and ultrasonic disperse 30-40 minute, obtains viscous liquid;
(2) in above-mentioned obtained viscous liquid, add the anti UV agent of 2-3% and the attapulgite of 1-3%, 2000-2500rpm high speed shear dispersion 15-20 minute, obtains anti UV agent and attapulgite modified viscous liquid;
(3) get 100-130 part iron oxide black by weight to add in tablets press and carry out granulation, simultaneously by viscosity modifying uniform liquid ground spray obtained for 55-65 part step (2) on iron oxide black powder, form iron oxide black small-particle;
(4) the iron oxide black particle that step (3) is obtained is dried at 90-95 DEG C, then cross 50-80 mesh sieve, get product;
Ultrasonic power described in step (1) is 500-800W, and ultrasonic frequency is 20-30KHz;
The rotating speed of the tablets press described in step (3) is 1500-2500rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310194689.1A CN103289444B (en) | 2013-05-23 | 2013-05-23 | Method for preparing anti-ultraviolet and acid-resisting iron oxide black granules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310194689.1A CN103289444B (en) | 2013-05-23 | 2013-05-23 | Method for preparing anti-ultraviolet and acid-resisting iron oxide black granules |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103289444A CN103289444A (en) | 2013-09-11 |
| CN103289444B true CN103289444B (en) | 2014-12-31 |
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| CN201310194689.1A Active CN103289444B (en) | 2013-05-23 | 2013-05-23 | Method for preparing anti-ultraviolet and acid-resisting iron oxide black granules |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103664024A (en) * | 2013-11-04 | 2014-03-26 | 铜陵市镜铁粉厂 | Preparation method of iron oxide black special for cement |
| CN103665943A (en) * | 2013-11-04 | 2014-03-26 | 铜陵市镜铁粉厂 | Preparation method of iron oxide black for high temperature resistant asphalt |
| CN103665948A (en) * | 2013-11-04 | 2014-03-26 | 铜陵市镜铁粉厂 | Modified iron oxide black used as pigment |
| CN103665952A (en) * | 2013-11-04 | 2014-03-26 | 铜陵市镜铁粉厂 | Anti-ultraviolet iron oxide green containing nanocarbon |
| CN105038325A (en) * | 2015-07-27 | 2015-11-11 | 安徽明珠颜料科技有限公司 | Deodorant iron oxide black pigment and preparation method thereof |
| CN105038324A (en) * | 2015-07-27 | 2015-11-11 | 安徽明珠颜料科技有限公司 | Iron oxide black paint for purifying air and preparation method of iron oxide black paint |
| CN105038323A (en) * | 2015-07-27 | 2015-11-11 | 安徽明珠颜料科技有限公司 | Parasite-dispelling iron oxide black pigment and preparation method thereof |
| CN111574703B (en) * | 2020-04-21 | 2022-04-12 | 杭州三隆新材料有限公司 | High-production-efficiency preparation method of polytetramethylene ether glycol |
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| US2523065A (en) * | 1947-12-29 | 1950-09-19 | Gen Electric | Pigmented coating compositions containing liquid alkyl polysiloxane |
| US4082905A (en) * | 1976-06-04 | 1978-04-04 | Bayer Aktiengesellschaft | Production of iron oxide pigments with improved resistance to oxidation |
| CN101691455A (en) * | 2009-10-20 | 2010-04-07 | 杭州萧湘颜料化工有限公司 | Iron oxide yellow granular pigment and manufacturing method thereof |
| CN101691456A (en) * | 2009-10-20 | 2010-04-07 | 杭州萧湘颜料化工有限公司 | Iron oxide black granular pigment and preparation method thereof |
| CN101824236A (en) * | 2010-04-29 | 2010-09-08 | 南通宝聚颜料有限公司 | Preparation process of medium temperature resistant iron oxide black |
| CN102618090A (en) * | 2012-03-13 | 2012-08-01 | 南通宝聚颜料有限公司 | Method for manufacturing free flowing granular ferric oxide black pigment |
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2013
- 2013-05-23 CN CN201310194689.1A patent/CN103289444B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2523065A (en) * | 1947-12-29 | 1950-09-19 | Gen Electric | Pigmented coating compositions containing liquid alkyl polysiloxane |
| US4082905A (en) * | 1976-06-04 | 1978-04-04 | Bayer Aktiengesellschaft | Production of iron oxide pigments with improved resistance to oxidation |
| CN101691455A (en) * | 2009-10-20 | 2010-04-07 | 杭州萧湘颜料化工有限公司 | Iron oxide yellow granular pigment and manufacturing method thereof |
| CN101691456A (en) * | 2009-10-20 | 2010-04-07 | 杭州萧湘颜料化工有限公司 | Iron oxide black granular pigment and preparation method thereof |
| CN101824236A (en) * | 2010-04-29 | 2010-09-08 | 南通宝聚颜料有限公司 | Preparation process of medium temperature resistant iron oxide black |
| CN102618090A (en) * | 2012-03-13 | 2012-08-01 | 南通宝聚颜料有限公司 | Method for manufacturing free flowing granular ferric oxide black pigment |
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| CN103289444A (en) | 2013-09-11 |
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