CN104830138A - Surface modification method of mica iron oxide - Google Patents
Surface modification method of mica iron oxide Download PDFInfo
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- CN104830138A CN104830138A CN201510250854.XA CN201510250854A CN104830138A CN 104830138 A CN104830138 A CN 104830138A CN 201510250854 A CN201510250854 A CN 201510250854A CN 104830138 A CN104830138 A CN 104830138A
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- iron mica
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Abstract
The invention discloses a surface modification method of mica iron oxide, which comprises the following steps: (1) starting a thermostat water bath cycling switch and a temperature switch, and adjusting the temperature to 60 DEG C, wherein the cavity temperature of a mechanical stirrer reactor is 40-45 DEG C after 30 minutes; (2) adding a mica iron oxide powder raw material which accounts for 0.3-0.5 wt% of distilled water into the mechanical stirrer reactor, and stirring at the rate of 900-1000 r/min for 15-18 minutes, wherein the temperature of the mica iron oxide paste in the reactor cavity is 30-50 DEG C; (3) taking a 30% polyacrylic acid water solution which accounts for 0.8-1.2 wt% of the mica iron oxide powder raw material, adding into the reactor, and stirring for 30-40 minutes; and (4) stopping stirring, washing with distilled water, drying at 60 DEG C, and dispersing to obtain the modified mica iron oxide. The method can lower the loose density and tap density of the mica iron oxide powder and enhance the sedimentation volume. After being added into the paint, the modified mica iron oxide has lower sedimentation rate, enhances the stability of the paint, and prolongs the shelf life of the paint.
Description
Technical field
The present invention relates to iron mica processing technique field, particularly relate to a kind of surface modifying method of iron mica.
Background technology
Iron mica is that occurring in nature is a kind of special in ferric oxide (Fe
2o
3) be the iron ore of main chemical compositions, the similar mica of its crystalline state, structure is flakey, and grey black, has metalluster.Due to its distinctive flaky texture feature, the ferric oxide prepared by pulverizing, super-fine processing, sorting ash, red iron oxide are mainly used as the filler of protective system.But current iron mica joins after in coating, general subsidence rate is fast, and make the stability low of coating, the quality guaranteed period is short.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of surface modifying method of iron mica is provided, the performance of iron mica can be improved, by loose density and the tap density reduction of the iron mica powder of modification, deposition volume increases, and improves dispersed and anti-settling performance, after modified iron mica is joined coating, subsidence rate slows down, and improves the stability of coating, extends its quality guaranteed period.
The present invention adopts following technical scheme to achieve these goals:
A surface modifying method for iron mica, comprises the following steps:
(1) thermostat water bath cycling switch and temperature switch are opened, adjust the temperature to 60 DEG C, after 30min, the cavity temperature of machine mixer reactor is 40-45 DEG C;
(2) iron mica powder raw material is added in machine mixer reactor, add the distilled water of the 0.3-0.5% of iron mica powder raw material weight, open stirring switch, rotating speed is adjusted to 900-1000r/min, after 15-18min, in reactor cavity, the temperature of iron mica slurry is 30-50 DEG C;
(3) get the polyacrylic acid aqueous solution of 30% of the 0.8-1.2% of iron mica powder raw material weight, join in the machine mixer reactor of step (2), stirring reaction 30-40min;
(4) after stirring stopping, reactant is poured out, after distilled water wash, dry at 60 DEG C, break up and obtain the iron mica of modification.
Preferably, in step (2), iron mica powder raw material is added in machine mixer reactor, add the distilled water of 0.4% of iron mica powder raw material weight, open stirring switch, rotating speed is adjusted to 950r/min, after 16min, in reactor cavity, the temperature of iron mica slurry is 40 DEG C.
Compared with the prior art, beneficial effect of the present invention is as follows:
The surface modifying method of iron mica of the present invention, the performance of iron mica can be improved, by loose density and the tap density reduction of the iron mica powder of modification, deposition volume increases, improve dispersed and anti-settling performance, after modified iron mica is joined coating, subsidence rate slows down, improve the stability of coating, extend its quality guaranteed period.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated, but the present invention is not limited only to these embodiments, and under the prerequisite not departing from present inventive concept, any improvement done all drops within protection scope of the present invention.
Embodiment 1:
A surface modifying method for iron mica, comprises the following steps:
(1) thermostat water bath cycling switch and temperature switch are opened, adjust the temperature to 60 DEG C, after 30min, the cavity temperature of machine mixer reactor is 40 DEG C;
(2) iron mica powder raw material is added in machine mixer reactor, add the distilled water of 0.3% of iron mica powder raw material weight, open stirring switch, rotating speed is adjusted to 900r/min, after 18min, in reactor cavity, the temperature of iron mica slurry is 30 DEG C;
(3) get the polyacrylic acid aqueous solution of 30% of 0.8% of iron mica powder raw material weight, join in the machine mixer reactor of step (2), stirring reaction 30min;
(5) after stirring stopping, reactant is poured out, after distilled water wash, dry at 60 DEG C, break up and obtain the iron mica of modification.
Embodiment 2:
A surface modifying method for iron mica, comprises the following steps:
(1) thermostat water bath cycling switch and temperature switch are opened, adjust the temperature to 60 DEG C, after 30min, the cavity temperature of machine mixer reactor is 45 DEG C;
(2) iron mica powder raw material is added in machine mixer reactor, add the distilled water of 0.5% of iron mica powder raw material weight, open stirring switch, rotating speed is adjusted to 1000r/min, after 15-18min, in reactor cavity, the temperature of iron mica slurry is 40 DEG C;
(3) get the polyacrylic acid aqueous solution of 30% of 1.0% of iron mica powder raw material weight, join in the machine mixer reactor of step (2), stirring reaction 40min;
(6) after stirring stopping, reactant is poured out, after distilled water wash, dry at 60 DEG C, break up and obtain the iron mica of modification.
Claims (2)
1. a surface modifying method for iron mica, is characterized in that: comprise the following steps:
(1) thermostat water bath cycling switch and temperature switch are opened, adjust the temperature to 60 DEG C, after 30min, the cavity temperature of machine mixer reactor is 40-45 DEG C;
(2) iron mica powder raw material is added in machine mixer reactor, add the distilled water of the 0.3-0.5% of iron mica powder raw material weight, open stirring switch, rotating speed is adjusted to 900-1000r/min, after 15-18min, in reactor cavity, the temperature of iron mica slurry is 30-50 DEG C;
(3) get the polyacrylic acid aqueous solution of 30% of the 0.8-1.2% of iron mica powder raw material weight, join in the machine mixer reactor of step (2), stirring reaction 30-40min;
(4) after stirring stopping, reactant is poured out, after distilled water wash, dry at 60 DEG C, break up and obtain the iron mica of modification.
2. the surface modifying method of iron mica according to claim 1, it is characterized in that: in step (2), iron mica powder raw material is added in machine mixer reactor, add the distilled water of 0.4% of iron mica powder raw material weight, open stirring switch, rotating speed is adjusted to 950r/min, after 16min, in reactor cavity, the temperature of iron mica slurry is 40 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510250854.XA CN104830138A (en) | 2015-05-15 | 2015-05-15 | Surface modification method of mica iron oxide |
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| CN201510250854.XA CN104830138A (en) | 2015-05-15 | 2015-05-15 | Surface modification method of mica iron oxide |
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| CN104830138A true CN104830138A (en) | 2015-08-12 |
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| CN201510250854.XA Pending CN104830138A (en) | 2015-05-15 | 2015-05-15 | Surface modification method of mica iron oxide |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398317A (en) * | 2016-08-31 | 2017-02-15 | 安徽纽亚达科技有限责任公司 | Method for modifying mica iron oxide with silane coupling agent |
| CN106398371A (en) * | 2016-08-31 | 2017-02-15 | 安徽纽亚达科技有限责任公司 | Method for modifying micaceous iron oxide with silane coupling agent |
| CN106497144A (en) * | 2016-08-31 | 2017-03-15 | 安徽纽亚达科技有限责任公司 | A kind of method of polyacrylic acid modified micaceous iron oxide |
| CN110128865A (en) * | 2019-06-03 | 2019-08-16 | 河南青山环保科技有限公司 | A kind of surface chemical modification micaceous iron oxide powder and preparation method thereof |
| CN110317474A (en) * | 2019-06-28 | 2019-10-11 | 广西新晶科技有限公司 | A kind of ferric oxide powder and preparation method thereof that nano inorganic-is organic coated |
| CN114644873A (en) * | 2020-12-21 | 2022-06-21 | 河南青山环保科技有限公司 | Water-based epoxy micaceous iron oxide intermediate paint and production process thereof |
-
2015
- 2015-05-15 CN CN201510250854.XA patent/CN104830138A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398317A (en) * | 2016-08-31 | 2017-02-15 | 安徽纽亚达科技有限责任公司 | Method for modifying mica iron oxide with silane coupling agent |
| CN106398371A (en) * | 2016-08-31 | 2017-02-15 | 安徽纽亚达科技有限责任公司 | Method for modifying micaceous iron oxide with silane coupling agent |
| CN106497144A (en) * | 2016-08-31 | 2017-03-15 | 安徽纽亚达科技有限责任公司 | A kind of method of polyacrylic acid modified micaceous iron oxide |
| CN110128865A (en) * | 2019-06-03 | 2019-08-16 | 河南青山环保科技有限公司 | A kind of surface chemical modification micaceous iron oxide powder and preparation method thereof |
| CN110317474A (en) * | 2019-06-28 | 2019-10-11 | 广西新晶科技有限公司 | A kind of ferric oxide powder and preparation method thereof that nano inorganic-is organic coated |
| CN114644873A (en) * | 2020-12-21 | 2022-06-21 | 河南青山环保科技有限公司 | Water-based epoxy micaceous iron oxide intermediate paint and production process thereof |
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Application publication date: 20150812 |