CN104071850A - Preparation method for iron oxide black - Google Patents
Preparation method for iron oxide black Download PDFInfo
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- CN104071850A CN104071850A CN201310097861.1A CN201310097861A CN104071850A CN 104071850 A CN104071850 A CN 104071850A CN 201310097861 A CN201310097861 A CN 201310097861A CN 104071850 A CN104071850 A CN 104071850A
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Abstract
The invention provides a preparation method for iron oxide black, which belongs to the field of preparation of pigments. The preparation method comprises the following steps: (1) uniformly mixing a soluble ferrous salt with soluble alkali and carrying out kneading at 20 to 25 DEG C so as to complete a reaction; (2) adding a certain amount of water into a reacted product obtained in the step (1) so as to obtain slurry; (3) introducing oxygen-containing gas into the slurry prepared in the step (2) and carrying out an oxidation reaction under the conditions that a temperature is 20 to 60 DEG C and a pH value is 6.5 to 7.5; (4) heating the slurry having undergone the oxidation reaction in the step (3) to 60 to 90 DEG C, adding a certain amount of the soluble ferrous salt and soluble alkali into the slurry and carrying out an addition dehydration reaction; and (5) after completion of the reaction, carrying out filtering and drying a filter cake so as to obtain a finished iron oxide black product. The iron oxide black prepared by using the method has the advantages of a single crystal structure, a small particle size, high purity and strong tinting strength.
Description
Technical field
The present invention relates to a kind of preparation method of iron oxide black, belong to pigment preparation field.
Background technology
Iron oxide black is called for short iron black, and molecular formula is Fe
3o
4, or Fe
2o
3feO, chemical name is Z 250.Iron oxide black has saturated indigo plant China ink light black, and opacifying power and tinting strength are all very high, are widely used in the painted fields such as building materials, cement, ink, printing, plastics.In recent years, the demand of China's iron oxide black constantly increases, and annual growth, up to 107%, far away higher than the rate of increase of whole iron oxide pigment 36.6%, is the iron pigment that is only second to iron oxide red and iron oxide yellow.
A lot of preparation methods about iron oxide black are disclosed in prior art.Such as, Chinese patent literature CN1709985A discloses a kind of method of preparing iron oxide black, specifically comprises the steps: that (1) makes perferrite solution; (2) make neutralizing agent with caustic soda and react generation ferrous hydroxide with perferrite solution; (3) make oxygenant with oxygen-containing gas, generate iron black with above-mentioned hydroxide iron oxidation reaction; (4) sieved in the iron oxide black of generation, press filtration, rinsing, oven dry, pulverizing obtain black iron oxide pigment.
In above-mentioned technology, preparing in iron black process with oxygen-containing gas hydrogen oxide iron protoxide, along with iron black growing amount increases, the viscosity retrogradation of solution, and after soltion viscosity retrogradation, easily cause oxygen to be obstructed with contacting of ferrous hydroxide, and then cause the rate of oxidation of ferrous hydroxide to reduce, thereby make oxidization time long, and oxidization time is long, can cause the particle diameter of iron oxide black particle large, particle diameter greatly can make the tinting strength of iron oxide black poor; In addition, prepare in iron black process by oxidation style, also easily generate by product Fe(OH)
3and Fe
2o
3crystal, can cause the iron black purity drop for preparing like this, also affects the tinctorial property of iron oxide black.
Summary of the invention
Technical problem to be solved by this invention is while preparing iron oxide black in prior art, to have the problem that oxidization time is long and by product is many, cause the tinting strength of iron oxide black poor, and then a kind of method of preparing iron oxide black using amorphous hydrous iron oxide replacement oxygen-containing gas as addition raw material is provided.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method of iron oxide black, comprise the steps:
(1) soluble ferrite is mixed with water soluble alkali, under 20 DEG C～50 DEG C conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add water, obtain slurries;
(3) in the slurries in described step (2), passing into oxygen-containing gas, is that 20～60 DEG C, pH value are under 6.5～7.5 conditions in temperature, carries out oxidizing reaction;
(4) by described step (3), the slurries after oxidizing reaction are warming up to after 60～90 DEG C, in slurries, add a certain amount of soluble ferrite and water soluble alkali, carry out addition dehydration reaction;
(5) after having reacted, filter, filter cake obtains iron oxide black finished product after drying.
In described step (1), in mass, the ratio of described soluble ferrite and described water soluble alkali addition is (1.0～2.5): (0.6～2.0), is preferably (1.65～1.75): (1.0～1.2).
In described step (3), the amount that per minute passes into described oxygen-containing gas is 6L～12L.
In described step (3), it is 6.5～7.5 that the ammoniacal liquor that is 15～28wt% by concentration regulates pH value in reaction.
In mass, in described step (1), the ratio of the addition of the middle soluble ferrite of soluble ferrite and described step (4) and water soluble alkali is (3～7): (1.5～3.3): (1.0～3.0), are preferably (5～5.5): (2.5～2.8): (2.3～2.7).
Described soluble ferrite is one or more in ferrous sulfate, Iron nitrate, iron protochloride.
Described water soluble alkali is one or more in sodium hydroxide, potassium hydroxide, sodium carbonate, sodium bicarbonate, volatile salt, bicarbonate of ammonia, salt of wormwood, saleratus.
In described step (5), drying temperature is 60～90 DEG C.
The present invention compared with prior art tool has the following advantages:
(1) preparation method of iron oxide black of the present invention, by soluble ferrite and water soluble alkali at room temperature kneading complete reaction, final product is ferrous hydroxide and corresponding vitriol, then above-mentioned product and water are hybridly prepared into the slurries of certain concentration, under specified temp and specific pH condition, pass into oxygen-containing gas and carry out oxidizing reaction, the material that generation contains amorphous hydrous iron oxide, and then the material that contains amorphous hydrous iron oxide is warming up to after 80 DEG C, again to heat up after slurries in add soluble ferrite and water soluble alkali, first soluble ferrite reacts generation ferrous hydroxide with water soluble alkali, then amorphous hydrous iron oxide again with generate ferrous hydroxide generation addition reaction, and the addition reaction of amorphous hydrous iron oxide and ferrous hydroxide can complete in moment, generate iron oxide black, its speed of response is better than oxidation rate of the prior art greatly, thereby the excessive problem of particle diameter that can avoid iron oxide black crystal particles to cause slowly due to speed of response, also further avoided ferrous hydroxide to be oxidized to ironic hydroxide simultaneously, and then reduce iron oxide black by product Fe(OH)
3and Fe
2o
3generation.The iron oxide black preparing by the method for the invention has advantages of that crystalline structure is single and particle diameter is little, purity is high, tinting strength is strong.
(2) preparation method of iron oxide black of the present invention, further, the addition of controlling the middle soluble ferrite iron of described step (1) and water soluble alkali is (1.0～2.5): (0.6～2.0), the ratio of controlling the addition of the middle soluble ferrite of described step (1) and the middle soluble ferrite of described step (4) and described water soluble alkali is (3～7): (1.5～3.3): (1～3), under specific conditions of mixture ratios of the present invention, the addition dehydration reaction that can ensure the amorphous hydrous iron oxide of reaction intermediate and intermediate product ferrous hydroxide has optimum reaction ratio, ensure the purity Gao Keda 97.27～97.71% of final product iron oxide black, can reach 170～175 with tinting strength, more enter a ground, in preferred described step (1), the addition of soluble ferrite iron and water soluble alkali is (1.65～1.75): (1～1.2), in described step (1), the ratio of the addition of the middle soluble ferrite of soluble ferrite and described step (4) and described water soluble alkali is (5～5.5): (2.5～2.8): when (2.3～2.7), the purity of final product iron oxide black can be up to 98.63～98.87%, can reach 180～185 with tinting strength, performance prepares the performance of iron oxide black far above available technology adopting oxidation style.
Brief description of the drawings
Fig. 1 is the XRD spectra of the iron oxide black described in the embodiment of the present invention 5.
Embodiment
Below in conjunction with embodiment, the present invention is further described in detail, but is not limited to this.
Embodiment 1
(1) iron vitriol of 1.0kg is mixed with the sodium hydroxide of 0.6kg, under 20 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 90g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 6L, the ammoniacal liquor control pH value of reaction system that is 22wt% by concentration is 6.5, is under 20 DEG C of conditions in temperature, carries out oxidizing reaction;
(4) by described step (3), the slurries after oxidizing reaction are warming up to after 60 DEG C, in slurries, add the iron vitriol of 0.5kg and the sodium hydroxide of 0.33kg, carry out addition dehydration reaction;
(5) after having reacted, filter, after filter cake is dry under 60 DEG C of conditions, obtain iron oxide black finished product.
Embodiment 2
(1) Iron nitrate of 1.2kg is mixed with the potassium hydroxide of 0.7kg, under 25 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 120g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 7L, the ammoniacal liquor control pH value of reaction system that is 15wt% by concentration is 7.0, is under 25 DEG C of conditions in temperature, carries out oxidizing reaction;
(4) by described step (3), the slurries after oxidizing reaction are warming up to after 65 DEG C, in slurries, add the Iron nitrate of 0.6kg and the potassium hydroxide of 0.51kg, carry out addition dehydration reaction;
(5) after having reacted, filter, after filter cake is dry under 65 DEG C of conditions, obtain iron oxide black finished product.
Embodiment 3
(1) iron protochloride of 1.4kg is mixed with the sodium carbonate of 0.75kg, under 30 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 140g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 8L, the ammoniacal liquor control pH value of reaction system that is 28wt% by concentration is 7.5, is under 30 DEG C of conditions in temperature, carries out oxidizing reaction;
(4) by described step (3), the slurries after oxidizing reaction are warming up to after 70 DEG C, in slurries, add the iron protochloride of 0.7kg and the sodium carbonate of 0.63kg, carry out addition dehydration reaction;
(5) after having reacted, filter, after filter cake is dry under 75 DEG C of conditions, obtain iron oxide black finished product.
Embodiment 4
(1) iron protochloride of the iron vitriol of 1.0kg, 0.65kg is mixed with the sodium bicarbonate of 1.0kg, under 35 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 160g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 8L, the ammoniacal liquor control pH value of reaction system that is 25wt% by concentration is 7.5, is under 35 DEG C of conditions in temperature, carries out oxidizing reaction;
(4) by described step (3), the slurries after oxidizing reaction are warming up to after 75 DEG C, in slurries, add the ferrous sulfate of 0.825kg and the sodium bicarbonate of 0.759kg, carry out addition dehydration reaction;
(5) after having reacted, filter, after filter cake is dry under 80 DEG C of conditions, obtain iron oxide black finished product.
Embodiment 5
(1) iron vitriol of 1.75kg is mixed with the volatile salt of 1.2kg, under 40 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 180g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 10L, the ammoniacal liquor control pH value of reaction system that is 15wt% by concentration is 6.5, is under 40 DEG C of conditions in temperature, carries out oxidizing reaction;
(4) by described step (3), the slurries after oxidizing reaction are warming up to after 80 DEG C, in slurries, add the iron vitriol of 0.89kg and the volatile salt of 0.858kg, carry out addition dehydration reaction;
(5) after having reacted, filter, after filter cake is dry under 85 DEG C of conditions, obtain iron oxide black finished product.
Embodiment 6
(1) iron vitriol of 2.0kg is mixed with the bicarbonate of ammonia of 1.5kg, under 45 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 200g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 12L, the ammoniacal liquor control pH value of reaction system that is 22wt% by concentration is 6.5, is under 50 DEG C of conditions in temperature, carries out oxidizing reaction;
(4) by described step (3), the slurries after oxidizing reaction are warming up to after 85 DEG C, in slurries, add the iron vitriol of 1.0kg and the bicarbonate of ammonia of 0.933kg, carry out addition dehydration reaction;
(5) after having reacted, filter, after filter cake is dry under 90 DEG C of conditions, obtain iron oxide black finished product.
Embodiment 7
(1) iron vitriol of 2.2kg is mixed with the salt of wormwood of 1.7kg, under 45 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 220g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 12L, the ammoniacal liquor control pH value of reaction system that is 20wt% by concentration is 6.5, is under 55 DEG C of conditions in temperature, carries out oxidizing reaction;
(4) by described step (3), the slurries after oxidizing reaction are warming up to after 80 DEG C, in slurries, add the iron vitriol of 1.083kg and the salt of wormwood of 0.981kg, carry out addition dehydration reaction;
(5) after having reacted, filter, after filter cake is dry under 80 DEG C of conditions, obtain iron oxide black finished product.
Embodiment 8
(1) Iron nitrate of the iron vitriol of 1.5kg, 1.0kg is mixed with the sodium hydroxide of 1.0kg, the sodium carbonate of 1.0kg, under 50 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 240g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 12L, the ammoniacal liquor control pH value of reaction system that is 18wt% by concentration is 7.0, is under 60 DEG C of conditions in temperature, carries out oxidizing reaction;
(4) by described step (3), the slurries after oxidizing reaction are warming up to after 90 DEG C, in slurries, add the iron vitriol of 0.678kg, Iron nitrate, the sodium hydroxide of 0.57kg and the sodium carbonate of 0.5kg of 0.5kg, carry out addition dehydration reaction;
(5) after having reacted, filter, after filter cake is dry under 90 DEG C of conditions, obtain iron oxide black finished product.
Embodiment 9
(1) iron vitriol of 3.0kg is mixed with the volatile salt of 2.0kg, under 50 DEG C of conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add a certain amount of water, obtain the slurries that concentration is 240g/L;
(3) in the slurries in described step (2), pass into air with the speed of per minute 5L, the ammoniacal liquor control pH value of reaction system that is 12wt% by concentration is 6.5, is under 60 DEG C of conditions in temperature, carries out oxidizing reaction;
(4) by described step (3), the slurries after oxidizing reaction are warming up to after 80 DEG C, in slurries, add the iron vitriol of 1.3kg and the volatile salt of 1.1kg, carry out addition dehydration reaction;
(5) after having reacted, filter, after filter cake is dry under 50 DEG C of conditions, obtain iron oxide black finished product.
Comparative example
Adopt the method for the iron oxide black providing in the patent documentation CN1709985A described in background technology to prepare iron oxide black, specifically comprise the steps:
(1) the ferrous sulfate aqueous solution 2kg of preparation 45wt%, puts into reaction vessel;
(2) while stirring about the liquid caustic soda of neutralizing agent 30wt% 0.865kg is added in ferric sulfate aqueous solution, generate ferrous hydroxide, system pH is 8.5;
(3) the ferrous hydroxide preparing by pump delivery to retort, by steam control temperature, at 95 DEG C, pH value, in 8.5 left and right, passes into the air that flow is 0.3m3/min while stirring, carries out oxidizing reaction and generates iron black;
(4) after wet feed filtration, filter-press water-washing, oven dry, pulverizing, obtain black iron oxide pigment.
Performance evaluation example
Iron oxide black in embodiment 1～9 and comparative example is carried out to the performance test of purity and tinting strength, testing method is with reference to HKG/T2250-91, and test result is in table 1.
Table 1 iron oxide black purity and tinting strength the performance test results
As shown in Table 1, the purity 98.87 of the iron oxide black preparing by the preparation technology of iron oxide black of the present invention, tinting strength can reach 185, compared with comparative example, has the excellent properties of high purity and strong tinting strength.
The present invention has also carried out XRD characterization test to the iron oxide black preparing in embodiment 5, and as shown in Figure 1, as can see from Figure 1, prepare product by preparation method of the present invention is iron oxide black crystal to test picture.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments, and the apparent variation of being extended out thus or variation are still among the protection domain in the invention claim.
Claims (10)
1. a preparation method for iron oxide black, comprises the steps:
(1) solid solubility ferrous salt is mixed with solid solubility alkali, under 20 DEG C～50 DEG C conditions, kneading completes reaction;
(2) in the reacted product in described step (1), add water, obtain slurries;
(3) in the slurries in described step (2), passing into oxygen-containing gas, is that 20～60 DEG C, pH value are under 6.5～7.5 conditions in temperature, carries out oxidizing reaction;
(4) by described step (3), the slurries after oxidizing reaction are warming up to after 60～90 DEG C, in slurries, add a certain amount of soluble ferrite and water soluble alkali, carry out addition dehydration reaction;
(5) after having reacted, filter, filter cake obtains iron oxide black finished product after drying.
2. the preparation method of iron oxide black according to claim 1, is characterized in that, in described step (1), in mass, the ratio of described soluble ferrite and described water soluble alkali addition is (1.0～2.5): (0.6～2.0).
3. the preparation method of iron oxide black according to claim 2, is characterized in that, in described step (1), in mass, the ratio of described soluble ferrite and described water soluble alkali addition is (1.65～1.75): (1.0～1.2).
4. according to the preparation method of the arbitrary described iron oxide black of claim 1～3, it is characterized in that, in described step (3), the amount that per minute passes into described oxygen-containing gas is 6L～12L.
5. according to the preparation method of the arbitrary described iron oxide black of claim 1～4, it is characterized in that, in described step (3), it is 6.5～7.5 that the ammoniacal liquor that is 15～28wt% by concentration regulates pH value in reaction.
6. according to the preparation method of the arbitrary described iron oxide black of claim 1～5, it is characterized in that, in mass, in described step (1), the ratio of the addition of the middle soluble ferrite of soluble ferrite and described step (4) and water soluble alkali is (3～7): (1.5～3.3): (1.0～3.0).
7. the preparation method of iron oxide black according to claim 6, it is characterized in that, in mass, in described step (1), the ratio of the addition of the middle soluble ferrite of soluble ferrite and described step (4) and described water soluble alkali is (5～5.5): (2.5～2.8): (2.3～2.7).
8. according to the preparation method of the arbitrary described iron oxide black of claim 1～7, it is characterized in that, described soluble ferrite is one or more in ferrous sulfate, Iron nitrate, iron protochloride.
9. according to the preparation method of the arbitrary described iron oxide black of claim 1～8, it is characterized in that, described water soluble alkali is one or more in sodium hydroxide, potassium hydroxide, sodium carbonate, sodium bicarbonate, volatile salt, bicarbonate of ammonia, salt of wormwood, saleratus.
10. according to the preparation method of the arbitrary described iron oxide black of claim 1～9, it is characterized in that, in described step (5), drying temperature is 60～90 DEG C.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105271434A (en) * | 2015-11-16 | 2016-01-27 | 南通宝聚颜料有限公司 | Method for preparing regular-octahedron ferric oxide black pigment through ferric yellow mother liquor water extracts |
| CN109850951A (en) * | 2019-04-01 | 2019-06-07 | 中钢集团南京新材料研究院有限公司 | A method of iron oxide black is prepared using titanium white by product object |
| CN112980220A (en) * | 2020-11-25 | 2021-06-18 | 正太新材料科技有限责任公司 | Preparation method and application of low-oil-absorption high-temperature-resistant iron oxide coating |
| CN113772741A (en) * | 2021-09-06 | 2021-12-10 | 江苏宇星科技有限公司 | Method for producing iron oxide black by liquid phase synthesis |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0208195B1 (en) * | 1985-06-29 | 1990-05-09 | BASF Aktiengesellschaft | Process for the preparation of magnetite pigments |
| CN1640820A (en) * | 2004-01-09 | 2005-07-20 | 华东理工大学 | Method for preparing high-purity Fe3O4 magnetic micro particles |
| CN101049976A (en) * | 2007-05-15 | 2007-10-10 | 河北师范大学 | Method for preparing superfine even Fe2O3 |
| CN101403869A (en) * | 2008-11-19 | 2009-04-08 | 南通宝聚颜料有限公司 | Production method for spherical iron oxide black magnetic powder used for laser printing, and spherical iron oxide black magnetic powder |
| CN101559986A (en) * | 2009-05-14 | 2009-10-21 | 上海一品颜料有限公司 | Method for producing iron oxide black |
| CN101585556A (en) * | 2008-05-23 | 2009-11-25 | 北京三聚环保新材料股份有限公司 | Method for preparing amorphous FeOOH and FeOOH desulfurizer prepared thereby |
| CN101767828A (en) * | 2008-12-30 | 2010-07-07 | 北京三聚环保新材料股份有限公司 | Method for preparing material containing amorphous iron oxide hydroxide and methods for regenerating the same |
| CN102153146A (en) * | 2011-04-18 | 2011-08-17 | 中国科学院化学研究所 | Method for controllably preparing hydroxyl oxidize iron, iron sesquioxide and ferroferric oxide |
-
2013
- 2013-03-25 CN CN201310097861.1A patent/CN104071850B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0208195B1 (en) * | 1985-06-29 | 1990-05-09 | BASF Aktiengesellschaft | Process for the preparation of magnetite pigments |
| CN1640820A (en) * | 2004-01-09 | 2005-07-20 | 华东理工大学 | Method for preparing high-purity Fe3O4 magnetic micro particles |
| CN101049976A (en) * | 2007-05-15 | 2007-10-10 | 河北师范大学 | Method for preparing superfine even Fe2O3 |
| CN101585556A (en) * | 2008-05-23 | 2009-11-25 | 北京三聚环保新材料股份有限公司 | Method for preparing amorphous FeOOH and FeOOH desulfurizer prepared thereby |
| CN101403869A (en) * | 2008-11-19 | 2009-04-08 | 南通宝聚颜料有限公司 | Production method for spherical iron oxide black magnetic powder used for laser printing, and spherical iron oxide black magnetic powder |
| CN101767828A (en) * | 2008-12-30 | 2010-07-07 | 北京三聚环保新材料股份有限公司 | Method for preparing material containing amorphous iron oxide hydroxide and methods for regenerating the same |
| CN101559986A (en) * | 2009-05-14 | 2009-10-21 | 上海一品颜料有限公司 | Method for producing iron oxide black |
| CN102153146A (en) * | 2011-04-18 | 2011-08-17 | 中国科学院化学研究所 | Method for controllably preparing hydroxyl oxidize iron, iron sesquioxide and ferroferric oxide |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105271434A (en) * | 2015-11-16 | 2016-01-27 | 南通宝聚颜料有限公司 | Method for preparing regular-octahedron ferric oxide black pigment through ferric yellow mother liquor water extracts |
| CN109850951A (en) * | 2019-04-01 | 2019-06-07 | 中钢集团南京新材料研究院有限公司 | A method of iron oxide black is prepared using titanium white by product object |
| CN112980220A (en) * | 2020-11-25 | 2021-06-18 | 正太新材料科技有限责任公司 | Preparation method and application of low-oil-absorption high-temperature-resistant iron oxide coating |
| CN113772741A (en) * | 2021-09-06 | 2021-12-10 | 江苏宇星科技有限公司 | Method for producing iron oxide black by liquid phase synthesis |
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