CN104031423A - Preparation method for high temperature-resistant coated iron oxide black - Google Patents
Preparation method for high temperature-resistant coated iron oxide black Download PDFInfo
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- CN104031423A CN104031423A CN201410168845.1A CN201410168845A CN104031423A CN 104031423 A CN104031423 A CN 104031423A CN 201410168845 A CN201410168845 A CN 201410168845A CN 104031423 A CN104031423 A CN 104031423A
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- iron oxide
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Abstract
The invention discloses a preparation method for high temperature-resistant coated iron oxide black. According to the method, a sodium hydroxide oxidation process is utilized to prepare iron oxide black; an undried iron oxide black filter cake is directly used, gangue powder and beryllia respectively accounting for 5 to 10% and 2 to 3% of the weight of the iron oxide black filter cake are added, and grinding at a high speed of 1500 to 2000 rpm is carried out for 15 to 20 min; powder obtained after grinding is taken out and dried, then absolute ethyl alcohol 15 to 20 times of the powder is added, a temperature is allowed to rise to 40 to 60 DEG C, and stirring is carried out for 1 to 1.5 h; then 0.2 to 0.4% of rosin amine, 0.1 to 0.2% of vinyltriethoxysilane and 0.3 to 0.4% of corundum powder are added, and heat-preservation stirring is carried out for 2 to 3 h; and then vacuum pumping filtration, washing, vacuum drying, porphyrization and sieving are carried out so as to obtain a finished product. Through formation of a compact corundum powder coating on the surface of iron oxide black, heat resistance of iron oxide black is improved, and fluidity and dispersibility of an iron oxide black pigment are enhanced at the same time.
Description
Technical field
The present invention relates to a kind of preparation method of high temperature resistant cladded type iron oxide black, belong to chemical color field.
Background technology
Iron pigment is as important inorganic color(ed)pigment, and its annual production occupies first of inorganic color(ed)pigment.Due to the reinforcement of world's environmental consciousness, inorganic iron series pigments constantly replaces plumbous series, the serial poisonous mineral dyes of chromium such as pigment dyestuff and red lead, lead-chrome yellow with its feature such as nontoxic, odorless, pollution-free.Iron oxide black is because chemical composition is simple, nontoxic pollution-free, and chemical stability is strong, is widely used in building trade paint.But iron oxide black will dewater in the time that temperature reaches 100 DEG C of left and right, oxidation becomes iron oxide red.Under the higher occasion of some temperature, use iron oxide black, will fade, the phenomenon such as variable color, thereby limited the use range of iron oxide black.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of preparation method of high temperature resistant cladded type iron oxide black is provided.The iron oxide black high thermal resistance that this preparation method produces is good, dispersed superior.
The technical solution used in the present invention is as follows:
A kind of preparation method of high temperature resistant cladded type iron oxide black, the iron oxide black that adopts sodium hydroxide oxidation style to make, directly use the iron oxide black filter cake of not drying, add and be equivalent to the colliery powder of iron oxide black filter cake weight 5-10% and the beryllium oxide of 2-3%, 1500-2000rpm speed lapping 15-20 minute, taking-up adds and is equivalent to the dehydrated alcohol that powder 15-20 doubly measures after drying, be warming up to 40-60 DEG C, stir 1-1.5h, add again the rosin Amine D of 0.2-0.4%, the vinyltriethoxysilane of 0.1-0.2% and the lapis amiridis of 0.3-0.4%, insulated and stirred 2-3h, vacuum filtration, with absolute ethanol washing 2-3 time, 50-60 DEG C of vacuum-drying 4-5h, porphyrize, cross 50-80 mesh sieve and be finished product.
Beneficial effect of the present invention:
The present invention adopts the lapis amiridis, the beryllium oxide coating that form one deck densification on iron oxide black surface, the resistance toheat that improves iron oxide black with this, and the while has also been improved mobility and the dispersiveness of black iron oxide pigment; The iron oxide black that the present invention produces has superior heat resistance, well acidproof, the alkaline-resisting and feature such as light absorptive is strong, tinting strength is high, consistency is good, good dispersity.
Embodiment
A kind of preparation method of high temperature resistant cladded type iron oxide black, the iron oxide black that adopts sodium hydroxide oxidation style to make, directly use the iron oxide black filter cake of not drying, add and be equivalent to the colliery powder of iron oxide black filter cake weight 8% and 2% beryllium oxide, 2000rpm speed lapping 15 minutes, after taking out oven dry, add the dehydrated alcohol that is equivalent to 15 times of amounts of powder, be warming up to 50 DEG C, stir 1h, add again 0.3% rosin Amine D, 0.1% vinyltriethoxysilane and 0.3% lapis amiridis, insulated and stirred 2h, vacuum filtration, with absolute ethanol washing 3 times, 50 DEG C of vacuum-drying 4h, porphyrize, cross 50 mesh sieves and be finished product.
The iron oxide black product performance analysis data that the present embodiment is produced is as following table:
| Project | Index | Detected result |
| Fe 2O 3Content (%) | ≥85 | 91.3 |
| 105 DEG C of volatile matters (%) | ≤1.0 | 0.65 |
| Oil number (%) | 15-25 | 22.1 |
| Tinctorial strength (%) | 95-105 | 97.4 |
| Resistance to 200 DEG C/30min (△ E) | ≤1.0 | 0.76 |
Claims (1)
1. the preparation method of a high temperature resistant cladded type iron oxide black, it is characterized in that: the iron oxide black that adopts sodium hydroxide oxidation style to make, directly use the iron oxide black filter cake of not drying, add and be equivalent to the colliery powder of iron oxide black filter cake weight 5-10% and the beryllium oxide of 2-3%, 1500-2000rpm speed lapping 15-20 minute, taking-up adds and is equivalent to the dehydrated alcohol that powder 15-20 doubly measures after drying, be warming up to 40-60 DEG C, stir 1-1.5h, add again the rosin Amine D of 0.2-0.4%, the vinyltriethoxysilane of 0.1-0.2% and the lapis amiridis of 0.3-0.4%, insulated and stirred 2-3h, vacuum filtration, with absolute ethanol washing 2-3 time, 50-60 DEG C of vacuum-drying 4-5h, porphyrize, cross 50-80 mesh sieve and be finished product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410168845.1A CN104031423B (en) | 2014-04-24 | 2014-04-24 | A kind of preparation method of high temperature resistant cladded type iron oxide black |
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| CN201410168845.1A CN104031423B (en) | 2014-04-24 | 2014-04-24 | A kind of preparation method of high temperature resistant cladded type iron oxide black |
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| CN104031423A true CN104031423A (en) | 2014-09-10 |
| CN104031423B CN104031423B (en) | 2015-12-02 |
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| CN103333524A (en) * | 2013-06-08 | 2013-10-02 | 安徽天泰环保科技有限公司 | Preparation method of heat-resistant iron oxide black |
| CN103333522A (en) * | 2013-06-08 | 2013-10-02 | 安徽天泰环保科技有限公司 | Preparation method of oxidation-resistant corrosion-resistant iron oxide black |
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| CN103421354A (en) * | 2013-07-26 | 2013-12-04 | 安徽麒麟化工科技有限公司 | Preparation method of high abrasion resistance iron oxide black |
| CN103421356A (en) * | 2013-07-26 | 2013-12-04 | 安徽麒麟化工科技有限公司 | Preparation method of rare earth modified iron oxide black |
| CN103421355A (en) * | 2013-07-26 | 2013-12-04 | 安徽麒麟化工科技有限公司 | Preparation method for organosilicone high temperature resisting black iron oxide |
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2014
- 2014-04-24 CN CN201410168845.1A patent/CN104031423B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5560964A (en) * | 1994-06-06 | 1996-10-01 | Sony Corporation | Minute-particle iron oxide red pigment slurry and method of manufacturing the same |
| 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 |
| CN101824235A (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 yellow |
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| CN102604436A (en) * | 2012-02-21 | 2012-07-25 | 升华集团德清华源颜料有限公司 | Preparation method of low oil absorption iron oxide yellow |
| CN103289440A (en) * | 2013-05-23 | 2013-09-11 | 铜陵瑞莱科技有限公司 | Preparation method of water glass coated iron oxide black particles |
| CN103289445A (en) * | 2013-05-23 | 2013-09-11 | 铜陵瑞莱科技有限公司 | Method for preparing high-temperature-resistant iron oxide black granules |
| CN103305031A (en) * | 2013-05-23 | 2013-09-18 | 铜陵瑞莱科技有限公司 | Preparation method of precipitated white graphite/graphite iron oxide black granule |
| CN103333541A (en) * | 2013-06-08 | 2013-10-02 | 安徽天泰环保科技有限公司 | Method for producing rust-proof uvioresistant black iron oxide |
| CN103333524A (en) * | 2013-06-08 | 2013-10-02 | 安徽天泰环保科技有限公司 | Preparation method of heat-resistant iron oxide black |
| CN103333522A (en) * | 2013-06-08 | 2013-10-02 | 安徽天泰环保科技有限公司 | Preparation method of oxidation-resistant corrosion-resistant iron oxide black |
| CN103333525A (en) * | 2013-06-08 | 2013-10-02 | 安徽天泰环保科技有限公司 | Preparation method of superfine easily-dispersed black iron oxide |
| CN103421354A (en) * | 2013-07-26 | 2013-12-04 | 安徽麒麟化工科技有限公司 | Preparation method of high abrasion resistance iron oxide black |
| CN103421356A (en) * | 2013-07-26 | 2013-12-04 | 安徽麒麟化工科技有限公司 | Preparation method of rare earth modified iron oxide black |
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| CN104031423B (en) | 2015-12-02 |
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Address after: 244000 Anhui city of Tongling Province on the east side of three Avenue (Datong Copper Industry Park) Applicant after: ANHUI LINGYANG NEW MATERIAL CO.,LTD. Address before: 244000 Anhui city of Tongling Province on the east side of three Avenue (Datong Copper Industry Park) Applicant before: Tongling Lingyang Chemical Co.,Ltd. Address after: 244000 Anhui city of Tongling Province on the east side of three Avenue (Datong Copper Industry Park) Applicant after: Tongling Lingyang Chemical Co.,Ltd. Address before: 244000 west side of Huaihe Road, Tongling City, Anhui Province Applicant before: Tongling Lingyang Chemical Co.,Ltd. |
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Denomination of invention: Preparation method for high temperature-resistant coated iron oxide black Effective date of registration: 20181121 Granted publication date: 20151202 Pledgee: Tongling Jincheng Financing Guarantee Co.,Ltd. Pledgor: ANHUI LINGYANG NEW MATERIAL CO.,LTD. Registration number: 2018340000654 |
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Date of cancellation: 20191227 Granted publication date: 20151202 Pledgee: Tongling Jincheng Financing Guarantee Co.,Ltd. Pledgor: ANHUI LINGYANG NEW MATERIAL CO.,LTD. Registration number: 2018340000654 |
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