CN104559331A - Low-viscosity ferric oxide yellow pigment - Google Patents
Low-viscosity ferric oxide yellow pigment Download PDFInfo
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- CN104559331A CN104559331A CN201410767118.7A CN201410767118A CN104559331A CN 104559331 A CN104559331 A CN 104559331A CN 201410767118 A CN201410767118 A CN 201410767118A CN 104559331 A CN104559331 A CN 104559331A
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Abstract
The invention discloses a preparation method of a low-viscosity ferric oxide yellow pigment. The preparation method of the low-viscosity ferric oxide yellow pigment comprises the following steps: (1) preparing the raw material which is common synthetic ferric oxide yellow powder; (2) ball milling, namely preparing a ball milling device and fully milling the ferric oxide yellow powder by moving a steel ball in a manner of circulating from top to two sides and bottom according the moving trajectory of the inner powder under continuous powerful vibration; (3) ultrafine grinding, namely ultrafine grinding the ball-milled ferric oxide yellow powder by using a grinding machine so as to completely break the unbroken cracks in the presence of high-speed shear force; and (4) preparing a finished product, namely detecting the color and the viscosity of the processed ferric oxide yellow powder to prepare the finished product.
Description
Technical field
The present invention relates to a kind of preparation method of iron oxide pigment, particularly the preparation method of low viscosity ferric oxide yellow pigment.
Background technology
Ferric oxide is the second largest mineral dye being only second to titanium dioxide, is also first colored organic pigments.Red iron oxide, Huang, black and brown four classes that it is base substance that iron oxide pigment comprises with the oxide compound of iron..Prepared by the iron oxide pigment chemical synthesis process of 70%, be called synthetic iron oxide, mars pigment synthesis purity is high, uniform particle sizes, neat, easy to control, nontoxic, inexpensive, the various fields such as ink, plastics, coating, rubber, pottery, building materials, papermaking can be used for.The pigment level of quality prepared due to China is weaker compared with in the world, and cost is higher, so the preparation technology of ferric oxide receives much concern always, ferric oxide yellow pigment is a kind important in iron oxide pigment series.Because iron oxide yellow pigments purity is high, uniform particle sizes is neat, and particle diameter is easy to control, so its form and aspect are good, add its nontoxicity, its range of application constantly expands.The existing preparation method of iron oxide yellow has acid system (comprising iron sheet method and dripping method); Alkaline process; Oxidation style (comprising air oxidation process, sodium chlorate oxidation style, iron carbonyl oxidation style); Peptisation.
Molecular structure due to iron oxide yellow is needle-like type, is to cause iron oxide yellow oil number higher than the major cause of red iron oxide (molecular structure is spherical type).Iron oxide yellow oil number 25%-35%, and red iron oxide oil number is 15%-25%, mainly between needle-like type molecule, space is large.
Along with rising steadily of international oil price, the transportation cost of product rises, and traditional mill base due to solid content low, volume greatly and slowly substitute by the high mill base of solid content.Current many Zoomlion mill base manufacturerss have developed solid content up to about 75% mill base, and this kind of mill base must adopt the pigment that viscosity is very low, otherwise can because viscosity not easily be disperseed too greatly.But these pigment production costs are very high, and are still blank in China market.
In order to be applicable to the raising of solid content time prepared by pigment printing paste, the present inventor is found by a large amount of practices, the technology of ball milling is adopted to be sheared by the iron oxide yellow molecule of needle-like type, needle-like original molecule is sheared by applied external force fracture, form the short and small needle-like type of shorter fracture, final molecular gap space is reduced, oil number drops to 18%-25% from 32%, and next step superfine grinding can be carried out, make those have slight crack to break apart not yet under the effect of high shear, disconnect completely, finally can prepare low viscous ferric oxide yellow pigment.
Summary of the invention
Based on the technical problem that background technology exists, the present invention is directed to the shortcoming that current low viscosity iron oxide yellow cost of manufacture is high, provide a kind of new low viscosity iron oxide yellow production technique, by the condition of Optimization Technology, obtain with low cost, that oil suction degree is very low low viscosity ferric oxide yellow pigment.
Technical scheme of the present invention is as follows:
A preparation method for low viscosity ferric oxide yellow pigment, its step is as follows:
(1) raw material prepares: get out common synthetic iron oxide bloom end;
(2) ball milling: get out ball-grinding machine, under the continuous strong vibrations of steel ball, by inner powder running orbit, from upper circulation toward both sides, lower motion is fully ground iron oxide yellow powder;
(3) superfine grinding: the iron oxide yellow powder pulverizer after ball milling is carried out superfine grinding, make those have slight crack to break apart not yet under the effect of high shear, disconnect completely;
(4) finished product: the color of the iron oxide yellow powder after check processing and viscosity, obtained finished product.
Step (2) ball-grinding machine is preferably: mechanical power: 50kw, steel ball total amount: 2300kg, has ￠ 18 ㎜ respectively, the steel ball of ￠ 16 ㎜, ￠ 14 ㎜, ￠ 12 ㎜ tetra-kinds of different sizes, output: 700-800kg/h.
Further, described four kinds of steel balls are 2-3:1-2:4-5:3-5 according to number ratio ￠ 18 ㎜: ￠ 16 ㎜: ￠ 14 ㎜: ￠ 12 ㎜.
Usefulness of the present invention is:
1, this production technique only needs ball milling, and technique is very simple, low production cost;
2, the iron oxide yellow powder oil number that technique of the present invention is obtained reduces more than 50%, and oil number drops to 28%-25% from 32%, and fully meet the quality of external high cost low viscosity iron oxide yellow, market potential is very large;
3, the present invention is simple to operation, is applicable to scale operation;
Embodiment
Embodiment 1:
A preparation method for low viscosity ferric oxide yellow pigment, its step is as follows:
(1) raw material prepares: get out common synthetic iron oxide bloom end;
(2) ball milling: get out ball-grinding machine, under the continuous strong vibrations of steel ball, by inner powder running orbit, from upper circulation toward both sides, lower motion is fully ground iron oxide yellow powder;
(3) superfine grinding: the iron oxide yellow powder pulverizer after ball milling is carried out superfine grinding, make those have slight crack to break apart not yet under the effect of high shear, disconnect completely;
(4) finished product: the color of the iron oxide yellow powder after check processing and viscosity, obtained finished product.
Step (2) ball-grinding machine is: mechanical power: 50kw, steel ball total amount: 2300kg, has ￠ 18 ㎜ respectively, the steel ball of ￠ 16 ㎜, ￠ 14 ㎜, ￠ 12 ㎜ tetra-kinds of different sizes, output: 700kg/h.
Described four kinds of steel balls are 2:1:4:3 according to number ratio ￠ 18 ㎜: ￠ 16 ㎜: ￠ 14 ㎜: ￠ 12 ㎜, and Ball-milling Time is 30min.
Embodiment 2:
A preparation method for low viscosity ferric oxide yellow pigment, its step is as follows:
(1) raw material prepares: get out common synthetic iron oxide bloom end;
(2) ball milling: get out ball-grinding machine, under the continuous strong vibrations of steel ball, by inner powder running orbit, from upper circulation toward both sides, lower motion is fully ground iron oxide yellow powder;
(3) superfine grinding: the iron oxide yellow powder pulverizer after ball milling is carried out superfine grinding, make those have slight crack to break apart not yet under the effect of high shear, disconnect completely;
(4) finished product: the color of the iron oxide yellow powder after check processing and viscosity, obtained finished product.
Step (2) ball-grinding machine is: mechanical power: 50kw, steel ball total amount: 2300kg, has ￠ 18 ㎜ respectively, the steel ball of ￠ 16 ㎜, ￠ 14 ㎜, ￠ 12 ㎜ tetra-kinds of different sizes, output: 800kg/h.
Described four kinds of steel balls are 3:2:5:5 according to number ratio ￠ 18 ㎜: ￠ 16 ㎜: ￠ 14 ㎜: ￠ 12 ㎜, and Ball-milling Time is 25min.
Embodiment 3:
A preparation method for low viscosity ferric oxide yellow pigment, its step is as follows:
(1) raw material prepares: get out common synthetic iron oxide bloom end;
(2) ball milling: get out ball-grinding machine, under the continuous strong vibrations of steel ball, by inner powder running orbit, from upper circulation toward both sides, lower motion is fully ground iron oxide yellow powder;
(3) superfine grinding: the iron oxide yellow powder pulverizer after ball milling is carried out superfine grinding, make those have slight crack to break apart not yet under the effect of high shear, disconnect completely;
(4) finished product: the color of the iron oxide yellow powder after check processing and viscosity, obtained finished product.
Step (2) ball-grinding machine is: mechanical power: 50kw, steel ball total amount: 2300kg, has ￠ 18 ㎜ respectively, the steel ball of ￠ 16 ㎜, ￠ 14 ㎜, ￠ 12 ㎜ tetra-kinds of different sizes, output: 800kg/h.
Described four kinds of steel balls are 2.5:1.5:4.5:4 according to number ratio ￠ 18 ㎜: ￠ 16 ㎜: ￠ 14 ㎜: ￠ 12 ㎜, and Ball-milling Time is 35in.
Embodiment 4:
A preparation method for low viscosity ferric oxide yellow pigment, its step is as follows:
(1) raw material prepares: get out common synthetic iron oxide bloom end;
(2) ball milling: get out ball-grinding machine, under the continuous strong vibrations of steel ball, by inner powder running orbit, from upper circulation toward both sides, lower motion is fully ground iron oxide yellow powder;
(3) superfine grinding: the iron oxide yellow powder pulverizer after ball milling is carried out superfine grinding, make those have slight crack to break apart not yet under the effect of high shear, disconnect completely;
(4) finished product: the color of the iron oxide yellow powder after check processing and viscosity, obtained finished product.
Step (2) ball-grinding machine is: mechanical power: 50kw, steel ball total amount: 2300kg, has ￠ 18 ㎜ respectively, the steel ball of ￠ 16 ㎜, ￠ 14 ㎜, ￠ 12 ㎜ tetra-kinds of different sizes, output: 750kg/h.
Described four kinds of steel balls are 2:2:4:5 according to number ratio ￠ 18 ㎜: ￠ 16 ㎜: ￠ 14 ㎜: ￠ 12 ㎜, and Ball-milling Time is 25min.
Embodiment 5:
A preparation method for low viscosity ferric oxide yellow pigment, its step is as follows:
(1) raw material prepares: get out common synthetic iron oxide bloom end;
(2) ball milling: get out ball-grinding machine, under the continuous strong vibrations of steel ball, by inner powder running orbit, from upper circulation toward both sides, lower motion is fully ground iron oxide yellow powder;
(3) superfine grinding: the iron oxide yellow powder pulverizer after ball milling is carried out superfine grinding, make those have slight crack to break apart not yet under the effect of high shear, disconnect completely;
(4) finished product: the color of the iron oxide yellow powder after check processing and viscosity, obtained finished product.
Step (2) ball-grinding machine is: mechanical power: 50kw, steel ball total amount: 2300kg, has ￠ 18 ㎜ respectively, the steel ball of ￠ 16 ㎜, ￠ 14 ㎜, ￠ 12 ㎜ tetra-kinds of different sizes, output: 780kg/h.
Described four kinds of steel balls are 3:1:5:3 according to number ratio ￠ 18 ㎜: ￠ 16 ㎜: ￠ 14 ㎜: ￠ 12 ㎜, and Ball-milling Time is 30min.
Embodiment 6: index is tested and assessed
The iron oxide yellow floury texture obtained by embodiment 1-5 is fine and smooth, and color is deep yellow.
(1) oil number detects
Conventionally carry out the detection of oil number, result is as described in Table 2:
Table 1 oil number measures
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Oil number % | 20 | 23 | 25 | 18 | 22 |
As can be seen here, the low viscosity ferric oxide yellow pigment oil number that the present invention obtains reduces more than 50% than common ferric oxide yellow pigment.
(2) viscosity measurement
The low viscosity ferric oxide yellow pigment obtained with the present invention prepares 75% solid content aqueous color paste, and conventionally measure its viscosity, result is as shown in table 2:
Table 2 viscosimetric analysis
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Viscosity (ku) | 59 | 62 | 58 | 55 | 60 |
As can be seen here, the high density mill base that the low viscosity ferric oxide yellow pigment that the present invention obtains is made reduces greatly than common ferric oxide yellow pigment.
As can be seen here, year provided by the invention wheel face lagging, have very outstanding index performance, oil number reduces more than 50%, and technique only needs ball milling, and technique is very simple, and low production cost, market potential is very large.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (4)
1. a preparation method for low viscosity ferric oxide yellow pigment, is characterized in that its step is as follows:
(1) raw material prepares: get out common synthetic iron oxide bloom end;
(2) ball milling: get out ball-grinding machine, under the continuous strong vibrations of steel ball, by inner powder running orbit, from upper circulation toward both sides, lower motion is fully ground iron oxide yellow powder;
(3) superfine grinding: the iron oxide yellow powder pulverizer after ball milling is carried out superfine grinding, make those have slight crack to break apart not yet under the effect of high shear, disconnect completely;
(4) finished product: the color of the iron oxide yellow powder after check processing and viscosity, obtained finished product.
2. the preparation method of low viscosity ferric oxide yellow pigment according to claim 1, wherein said step (2) ball-grinding machine is preferably: mechanical power: 50kw, steel ball total amount: 2300kg, there is ￠ 18 ㎜ respectively, ￠ 16 ㎜, the steel ball of ￠ 14 ㎜, ￠ 12 ㎜ tetra-kinds of different sizes, output: 700-800kg/h.
3. the preparation method of low viscosity ferric oxide yellow pigment according to claim 2, described step (2) four kinds of steel balls are 2-3:1-2:4-5:3-5 according to number ratio ￠ 18 ㎜: ￠ 16 ㎜: ￠ 14 ㎜: ￠ 12 ㎜.
4. the low viscosity ferric oxide yellow pigment that the preparation method described in claim 1-3 prepares.
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| CN201410767118.7A CN104559331A (en) | 2014-12-12 | 2014-12-12 | Low-viscosity ferric oxide yellow pigment |
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| CN201410767118.7A CN104559331A (en) | 2014-12-12 | 2014-12-12 | Low-viscosity ferric oxide yellow pigment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105255219A (en) * | 2015-11-16 | 2016-01-20 | 南通宝聚颜料有限公司 | Cascading iron oxide yellow viscosity adjusting device |
| CN105948133A (en) * | 2016-07-14 | 2016-09-21 | 南通中兴多元复合钢管有限公司 | {0><}0{>Method for reducing viscosity of iron oxide yellow |
| CN106219611A (en) * | 2016-07-27 | 2016-12-14 | 升华集团德清华源颜料有限公司 | A kind of low viscosity iron oxide yellow |
| CN106241885A (en) * | 2016-07-27 | 2016-12-21 | 升华集团德清华源颜料有限公司 | A kind of low viscosity iron oxide yellow preparation method |
| CN110342583A (en) * | 2019-07-02 | 2019-10-18 | 浙江华源颜料股份有限公司 | A kind of method of amino acid chemical additives control iron oxide yellow viscosity |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191022A (en) * | 2006-12-01 | 2008-06-04 | 德清凯孚颜料有限公司 | Heavy iron oxide yellow and preparation method thereof |
| CN101418141A (en) * | 2008-12-05 | 2009-04-29 | 南通宝聚颜料有限公司 | Low oil absorption ferric oxide yellow pigment |
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2014
- 2014-12-12 CN CN201410767118.7A patent/CN104559331A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191022A (en) * | 2006-12-01 | 2008-06-04 | 德清凯孚颜料有限公司 | Heavy iron oxide yellow and preparation method thereof |
| CN101418141A (en) * | 2008-12-05 | 2009-04-29 | 南通宝聚颜料有限公司 | Low oil absorption ferric oxide yellow pigment |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105255219A (en) * | 2015-11-16 | 2016-01-20 | 南通宝聚颜料有限公司 | Cascading iron oxide yellow viscosity adjusting device |
| CN105255219B (en) * | 2015-11-16 | 2017-08-25 | 南通宝聚颜料有限公司 | A kind of stacked iron oxide yellow apparatus for regulating viscosity |
| CN105948133A (en) * | 2016-07-14 | 2016-09-21 | 南通中兴多元复合钢管有限公司 | {0><}0{>Method for reducing viscosity of iron oxide yellow |
| CN106219611A (en) * | 2016-07-27 | 2016-12-14 | 升华集团德清华源颜料有限公司 | A kind of low viscosity iron oxide yellow |
| CN106241885A (en) * | 2016-07-27 | 2016-12-21 | 升华集团德清华源颜料有限公司 | A kind of low viscosity iron oxide yellow preparation method |
| CN106219611B (en) * | 2016-07-27 | 2017-07-11 | 升华集团德清华源颜料有限公司 | A kind of low viscosity iron oxide yellow |
| CN110342583A (en) * | 2019-07-02 | 2019-10-18 | 浙江华源颜料股份有限公司 | A kind of method of amino acid chemical additives control iron oxide yellow viscosity |
| WO2021000651A1 (en) * | 2019-07-02 | 2021-01-07 | 浙江华源颜料股份有限公司 | Method for controlling viscosity of iron oxide yellow by using amino acid crystal form control agent |
| CN110342583B (en) * | 2019-07-02 | 2021-07-13 | 浙江华源颜料股份有限公司 | Method for controlling viscosity of iron oxide yellow by using amino acid crystal form control agent |
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