CN105731473A - Preparation method of matte sericite powder - Google Patents
Preparation method of matte sericite powder Download PDFInfo
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- CN105731473A CN105731473A CN201610072022.8A CN201610072022A CN105731473A CN 105731473 A CN105731473 A CN 105731473A CN 201610072022 A CN201610072022 A CN 201610072022A CN 105731473 A CN105731473 A CN 105731473A
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- sericite
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Abstract
The invention discloses a preparation method of matte sericite powder.The preparation method includes the following steps that firstly, slurry making, wherein raw mineral materials needed for preparing matte sericite are collected, good-quality raw mineral materials are manually picked out first, preliminary stripping is carried out, then sericite is reprocessed through an advanced wet-process peeling technology removing method, and thus sericite slurry is obtained; secondly, metallurgical processing, wherein the sericite slurry is put into a stirring machine, then an acid medium or alkaline medium aqueous solution is added into the stirring machine, chemical treatment or organic solvent extraction, impurity separation and metal and metal compound extraction are carried out, and high-purity sericite is obtained; thirdly, bleaching, wherein the high-purity sericite obtained in the second step is put into a 10 mm hydrocyclone, and a sodium hypochlorite and sodium sulfate solvent is added into the 10 mm hydrocyclone.The preparation method is simple, and the prepared matte sericite powder is high in purity and glossiness, low in cost and very practical.
Description
Technical field
The present invention relates to sericite in powder technical field, the preparation method particularly relating to a kind of sub-light sericite in powder.
Background technology
Sericite (Sericite) is the one of Muscovitum, it belongs to the silicate mineral with layer structure and draws, sericite has purposes very widely, for industries such as rubber, plastics, coating, paint, pottery, insulation, cosmetics, pigment, papermaking, metallurgy, the outward appearance of sericite is translucent, is rich in the silky luster of texture, having the high radius-thickness ratio structure of uniqueness and excellent uv-shielding capacity, especially finely squamose laminate structure has soft smooth characteristic.China's sericite mica ore reserves are big, distribution is wide, but are worth the less of exploitation.Different according to origin of ore deposit, sericite mica ore can be divided into: sheet lithotype (Anhui Chuzhou), porphyry alteration type (Jing Dezhen, Jiangxi), volcanic rock alteration type (Fujian Nanan) etc..Wherein maximum with sheet lithotype sericite mica ore (Anhui Chuzhou) value of exploiting and utilizing, because the Muscovitum feature of such sericite mica ore is the most obvious, the coating mica powder of such as technical grade is a kind of new type functional environmental protection filler, the functions such as unique two-dimensional sheet intercepts, the stability of shielding ultraviolet light, chemical constitution are effectively improved the permeability resistance of film, weatherability, wearability and corrosion resistance, additionally, without any radioelement, lead the trend of paint field environmental protection.It is widely used in building external paint, anticorrosive paint, powdery paints, high-temperature resistant coating, coatings, water-repellent paint, marking paint, radiation shielding coating and some special coatings, such as marine paint, coating of holding temperature for spacecraft and food container coating etc..
But the preparation method of existing sericite in powder is comparatively single, the sericite in powder produced is fine and smooth not, lubrication not, product can not reach the demand in market sometimes, cause becoming waste material or needs are done over again, the preparation method that we have proposed a kind of sub-light sericite in powder for this, is used for solving the problems referred to above.
Summary of the invention
Based on the technical problem that background technology exists, the preparation method that the present invention proposes a kind of sub-light sericite in powder.
The preparation method of a kind of sub-light sericite in powder that the present invention proposes, comprises the following steps:
S1, slurrying: gather the raw mineral materials needed for the sub-light sericite of preparation, first pass through the raw mineral materials that artificial mode sort out quality comparation is excellent, carry out preliminary stripping, then pass through the wet method stripping technology removal method of advanced person, sericite is reprocessed, obtains sericite slurry with this；
S2, metallurgical: sericite slurry is put in blender, then the aqueous solution adding acid medium or alkaline medium in blender carries out chemical treatment or organic solvent extraction, separation impurity, extracts metal and compound thereof, and maintain the temperature at 30-50 DEG C, it is sufficiently stirred for 1-3h, add surface conditioning agent after to be mixed, make mixture staticly settle 1-2h, obtain high-purity sericite；
S3, bleaching: the high-purity sericite in S2 is put in 10mm hydrocyclone, is added to sodium hypochlorite and sodium sulfate solvent, is sufficiently stirred for 1-3h, in the mixture after stirring, add heavy metals removal agent, carry out heavy metal accumulation removal, obtain bleaching species；
S4, dry: bleaching species to be placed in high-temperature cabinet and carries out dehydrate, carry out high temperature drying sterilizing again, continue 1-2h, then the bleaching species after high temperature drying sterilizing is sieved, making the order number after screening is 200-500 order, finally the bleaching species after sieving is packed, and can obtain a kind of sub-light sericite in powder.
Preferably, described surface conditioning agent is ptfe surface inorganic agent.
Preferably, sericite slurry described in S1 is put in blender, then the aqueous solution adding acid medium or alkaline medium in blender carries out chemical treatment or organic solvent extraction, separation impurity, extracts metal and compound thereof, and maintain the temperature at 40 DEG C, it is sufficiently stirred for 2h, add surface conditioning agent after to be mixed, make mixture staticly settle 1.5h, obtain high-purity sericite.
Preferably, in described S3, high-purity sericite is put in 10mm hydrocyclone, is added to sodium hypochlorite and sodium sulfate solvent, is sufficiently stirred for 2h, adds heavy metals removal agent, carry out heavy metal accumulation removal, obtain bleaching species in the mixture after stirring.
Preferably, bleaching species is placed in high-temperature cabinet by described S4 and carries out dehydrate, carry out high temperature drying sterilizing again, continue 1.5h, then the bleaching species after high temperature drying sterilizing is sieved, making the order number after screening is 350 orders, finally the bleaching species after sieving is packed, and can obtain a kind of sub-light sericite in powder.
Preferably, described blender adopts stirring frosted dispersion multiple purpose aeroplane.
nullThe present invention is in preparation process，First sericite mica ore raw material is first carried out the artificial selection of primary，Then select superior in quality raw mineral materials to decompose，And the raw material after decomposing is carried out slurrying，The sericite slurry obtained after stirring is put in blender，By blender, it is sufficiently stirred for，Then the aqueous solution adding acid medium or alkaline medium in blender carries out chemical treatment or organic solvent extraction、Separate impurity、Extract metal and compound thereof，Obtain highly purified sericite afterwards，Then highly purified sericite is put in the 10mm hydrocyclone that with the addition of sodium hypochlorite and sodium sulfate solvent and bleach，Finally it is dried and packs，Preparation method of the present invention is simple，Operation is coherent，The sub-light sericite in powder purity not only prepared is high，Glossiness is high，The demand of technical grade sericite can be met，And cost is not high，Practicality very.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention done further explanation.
Embodiment one
The preparation method of a kind of sub-light sericite in powder that the present invention proposes, comprises the following steps:
S1, slurrying: gather the raw mineral materials needed for the sub-light sericite of preparation, first pass through the raw mineral materials that artificial mode sort out quality comparation is excellent, carry out preliminary stripping, then pass through the wet method stripping technology removal method of advanced person, sericite is reprocessed, obtains sericite slurry with this；
S2, metallurgical: sericite slurry is put in blender, then the aqueous solution adding acid medium or alkaline medium in blender carries out chemical treatment or organic solvent extraction, separation impurity, extracts metal and compound thereof, and maintain the temperature at 30 DEG C, it is sufficiently stirred for 1h, add surface conditioning agent after to be mixed, make mixture staticly settle 1h, obtain high-purity sericite；
S3, bleaching: the high-purity sericite in S2 is put in 10mm hydrocyclone, is added to sodium hypochlorite and sodium sulfate solvent, is sufficiently stirred for 1h, in the mixture after stirring, add heavy metals removal agent, carry out heavy metal accumulation removal, obtain bleaching species；
S4, dry: bleaching species to be placed in high-temperature cabinet and carries out dehydrate, carry out high temperature drying sterilizing again, continue 1h, then the bleaching species after high temperature drying sterilizing is sieved, making the order number after screening is 200 orders, finally the bleaching species after sieving is packed, and can obtain a kind of sub-light sericite in powder.
Embodiment two
The preparation method of a kind of sub-light sericite in powder that the present invention proposes, comprises the following steps:
S1, slurrying: gather the raw mineral materials needed for the sub-light sericite of preparation, first pass through the raw mineral materials that artificial mode sort out quality comparation is excellent, carry out preliminary stripping, then pass through the wet method stripping technology removal method of advanced person, sericite is reprocessed, obtains sericite slurry with this；
S2, metallurgical: sericite slurry is put in blender, then the aqueous solution adding acid medium or alkaline medium in blender carries out chemical treatment or organic solvent extraction, separation impurity, extracts metal and compound thereof, and maintain the temperature at 35 DEG C, it is sufficiently stirred for 1.5h, add surface conditioning agent after to be mixed, make mixture staticly settle 1.3h, obtain high-purity sericite；
S3, bleaching: the high-purity sericite in S2 is put in 10mm hydrocyclone, is added to sodium hypochlorite and sodium sulfate solvent, is sufficiently stirred for 1.5h, in the mixture after stirring, add heavy metals removal agent, carry out heavy metal accumulation removal, obtain bleaching species；
S4, dry: bleaching species to be placed in high-temperature cabinet and carries out dehydrate, carry out high temperature drying sterilizing again, continue 1-2h, then the bleaching species after high temperature drying sterilizing is sieved, making the order number after screening is 250 orders, finally the bleaching species after sieving is packed, and can obtain a kind of sub-light sericite in powder.
Embodiment three
The preparation method of a kind of sub-light sericite in powder that the present invention proposes, comprises the following steps:
S1, slurrying: gather the raw mineral materials needed for the sub-light sericite of preparation, first pass through the raw mineral materials that artificial mode sort out quality comparation is excellent, carry out preliminary stripping, then pass through the wet method stripping technology removal method of advanced person, sericite is reprocessed, obtains sericite slurry with this；
S2, metallurgical: sericite slurry is put in blender, then the aqueous solution adding acid medium or alkaline medium in blender carries out chemical treatment or organic solvent extraction, separation impurity, extracts metal and compound thereof, and maintain the temperature at 40 DEG C, it is sufficiently stirred for 2h, add surface conditioning agent after to be mixed, make mixture staticly settle 1.6h, obtain high-purity sericite；
S3, bleaching: the high-purity sericite in S2 is put in 10mm hydrocyclone, is added to sodium hypochlorite and sodium sulfate solvent, is sufficiently stirred for 2h, in the mixture after stirring, add heavy metals removal agent, carry out heavy metal accumulation removal, obtain bleaching species；
S4, dry: bleaching species to be placed in high-temperature cabinet and carries out dehydrate, carry out high temperature drying sterilizing again, continue 1.6h, then the bleaching species after high temperature drying sterilizing is sieved, making the order number after screening is 300 orders, finally the bleaching species after sieving is packed, and can obtain a kind of sub-light sericite in powder.
Embodiment four
The preparation method of a kind of sub-light sericite in powder that the present invention proposes, comprises the following steps:
S1, slurrying: gather the raw mineral materials needed for the sub-light sericite of preparation, first pass through the raw mineral materials that artificial mode sort out quality comparation is excellent, carry out preliminary stripping, then pass through the wet method stripping technology removal method of advanced person, sericite is reprocessed, obtains sericite slurry with this；
S2, metallurgical: sericite slurry is put in blender, then the aqueous solution adding acid medium or alkaline medium in blender carries out chemical treatment or organic solvent extraction, separation impurity, extracts metal and compound thereof, and maintain the temperature at 45 DEG C, it is sufficiently stirred for 2.5h, add surface conditioning agent after to be mixed, make mixture staticly settle 2h, obtain high-purity sericite；
S3, bleaching: the high-purity sericite in S2 is put in 10mm hydrocyclone, is added to sodium hypochlorite and sodium sulfate solvent, is sufficiently stirred for 2.5h, in the mixture after stirring, add heavy metals removal agent, carry out heavy metal accumulation removal, obtain bleaching species；
S4, dry: bleaching species to be placed in high-temperature cabinet and carries out dehydrate, carry out high temperature drying sterilizing again, continue 2h, then the bleaching species after high temperature drying sterilizing is sieved, making the order number after screening is 450 orders, finally the bleaching species after sieving is packed, and can obtain a kind of sub-light sericite in powder.
The above; it is only the present invention preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; it is equal to replacement according to technical scheme and inventive concept thereof or is changed, all should be encompassed within protection scope of the present invention.
Claims (6)
1. the preparation method of a sub-light sericite in powder, it is characterised in that comprise the following steps:
S1, slurrying: gather the raw mineral materials needed for the sub-light sericite of preparation, first pass through the raw mineral materials that artificial mode sort out quality comparation is excellent, carry out preliminary stripping, then pass through the wet method stripping technology removal method of advanced person, sericite is reprocessed, obtains sericite slurry with this；
S2, metallurgical: sericite slurry is put in blender, then the aqueous solution adding acid medium or alkaline medium in blender carries out chemical treatment or organic solvent extraction, separation impurity, extracts metal and compound thereof, and maintain the temperature at 30-50 DEG C, it is sufficiently stirred for 1-3h, add surface conditioning agent after to be mixed, make mixture staticly settle 1-2h, obtain high-purity sericite；
S3, bleaching: the high-purity sericite in S2 is put in 10mm hydrocyclone, is added to sodium hypochlorite and sodium sulfate solvent, is sufficiently stirred for 1-3h, in the mixture after stirring, add heavy metals removal agent, carry out heavy metal accumulation removal, obtain bleaching species；
S4, dry: bleaching species to be placed in high-temperature cabinet and carries out dehydrate, carry out high temperature drying sterilizing again, continue 1-2h, then the bleaching species after high temperature drying sterilizing is sieved, making the order number after screening is 200-500 order, finally the bleaching species after sieving is packed, and can obtain a kind of sub-light sericite in powder.
2. the preparation method of a kind of sub-light sericite in powder according to claim 1, it is characterised in that described surface conditioning agent is ptfe surface inorganic agent.
3. the preparation method of a kind of sub-light sericite in powder according to claim 1, it is characterized in that, sericite slurry described in S1 is put in blender, then the aqueous solution adding acid medium or alkaline medium in blender carries out chemical treatment or organic solvent extraction, separation impurity, extracts metal and compound thereof, and maintain the temperature at 40 DEG C, be sufficiently stirred for 2h, after to be mixed, add surface conditioning agent, make mixture staticly settle 1.5h, obtain high-purity sericite.
4. the preparation method of a kind of sub-light sericite in powder according to claim 1, it is characterized in that, in described S3, high-purity sericite is put in 10mm hydrocyclone, it is added to sodium hypochlorite and sodium sulfate solvent, it is sufficiently stirred for 2h, in the mixture after stirring, add heavy metals removal agent, carry out heavy metal accumulation removal, obtain bleaching species.
5. the preparation method of a kind of sub-light sericite in powder according to claim 1, it is characterized in that, bleaching species is placed in high-temperature cabinet by described S4 and carries out dehydrate, carry out high temperature drying sterilizing again, continuing 1.5h, then the bleaching species after high temperature drying sterilizing sieved, making the order number after screening is 350 orders, finally the bleaching species after sieving is packed, a kind of sub-light sericite in powder can be obtained.
6. the preparation method of a kind of sub-light sericite in powder according to claim 1, it is characterised in that described blender adopts stirring frosted dispersion multiple purpose aeroplane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610072022.8A CN105731473A (en) | 2016-02-02 | 2016-02-02 | Preparation method of matte sericite powder |
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| CN201610072022.8A CN105731473A (en) | 2016-02-02 | 2016-02-02 | Preparation method of matte sericite powder |
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| CN105731473A true CN105731473A (en) | 2016-07-06 |
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| CN201610072022.8A Pending CN105731473A (en) | 2016-02-02 | 2016-02-02 | Preparation method of matte sericite powder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106167629A (en) * | 2016-07-11 | 2016-11-30 | 滁州格锐矿业有限责任公司 | A kind of novel sericite in powder bleaching process |
| CN107188193A (en) * | 2017-07-24 | 2017-09-22 | 安徽恒昊科技有限公司 | A kind of preparation method of high-purity mica powder of wet process used for cosmetic |
| CN107585775A (en) * | 2017-11-05 | 2018-01-16 | 滁州格锐矿业有限责任公司 | A kind of bleaching process of sericite |
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| CN101974200A (en) * | 2010-11-03 | 2011-02-16 | 哈尔滨工业大学 | Method for improving heat resistance of phenolic resin |
| CN104743562A (en) * | 2015-03-20 | 2015-07-01 | 济宁利特纳米技术有限责任公司 | Preparation method of sericite nanosheets |
| CN104909380A (en) * | 2015-05-26 | 2015-09-16 | 武汉理工大学 | Method used for preparing sericite powder used for cosmetics |
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2016
- 2016-02-02 CN CN201610072022.8A patent/CN105731473A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974200A (en) * | 2010-11-03 | 2011-02-16 | 哈尔滨工业大学 | Method for improving heat resistance of phenolic resin |
| CN104743562A (en) * | 2015-03-20 | 2015-07-01 | 济宁利特纳米技术有限责任公司 | Preparation method of sericite nanosheets |
| CN104909380A (en) * | 2015-05-26 | 2015-09-16 | 武汉理工大学 | Method used for preparing sericite powder used for cosmetics |
Non-Patent Citations (1)
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| 乐志强等: "《无机精细化学品手册》", 31 January 2001 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106167629A (en) * | 2016-07-11 | 2016-11-30 | 滁州格锐矿业有限责任公司 | A kind of novel sericite in powder bleaching process |
| CN107188193A (en) * | 2017-07-24 | 2017-09-22 | 安徽恒昊科技有限公司 | A kind of preparation method of high-purity mica powder of wet process used for cosmetic |
| CN107188193B (en) * | 2017-07-24 | 2019-05-03 | 安徽恒昊科技有限公司 | A kind of preparation method of high-purity mica powder of wet process used for cosmetic |
| CN107585775A (en) * | 2017-11-05 | 2018-01-16 | 滁州格锐矿业有限责任公司 | A kind of bleaching process of sericite |
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Application publication date: 20160706 |
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