CN104046056B - The preparation method of high-performance iron oxide black for a kind of automobile finish - Google Patents
The preparation method of high-performance iron oxide black for a kind of automobile finish Download PDFInfo
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- CN104046056B CN104046056B CN201410168261.4A CN201410168261A CN104046056B CN 104046056 B CN104046056 B CN 104046056B CN 201410168261 A CN201410168261 A CN 201410168261A CN 104046056 B CN104046056 B CN 104046056B
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Abstract
The invention discloses the preparation method of a kind of automobile finish high-performance iron oxide black, the iron oxide black that it adopts NaOH oxidizing process to make, directly use the oxidation filter cake of not drying, add the nanometer vermiculite powder of 4-6% and the MTES of 0.3-0.5%, 1500-2000rpm speed lapping 25-30 minute, after taking out oven dry, add appropriate water making beating 20-30 minute, make the slurries that concentration is 50-60%, and add the polyisobutene of slurry weight 0.3-0.4%, the ultra-violet absorber of 0.2-0.3%, the antioxidant of 0.1-0.3%, stir 15-20 minute, oven dry is beaten powder and is finished product. the present invention adopts polyisobutene, ultra-violet absorber, antioxidant to carry out organic coated processing to iron oxide black surface, has greatly improved the serviceability of iron oxide black.
Description
Technical field
The present invention relates to the preparation method of a kind of automobile finish high-performance iron oxide black, belong to chemical color neckTerritory.
Background technology
Iron pigment is as important inorganic color pigment, and its annual production occupies first of inorganic color pigment. Due to generationThe reinforcement of boundary's environmental consciousness, inorganic iron series pigments constantly replaces organic with its feature such as nontoxic, odorless, pollution-freeThe plumbous series such as pigment and red lead, lead chromate yellow, the serial poisonous inorganic pigment of chromium. Iron oxide black is due to chemical compositionSimply, nontoxic pollution-free, chemical stability is strong, can be applicable in automobile finish. But iron oxide black reaches in temperatureThe oxidation of will dewatering during to 100 DEG C of left and right becomes iron oxide red. Under the higher occasion of some temperature, use iron oxideBlack, will fade, the phenomenon such as variable color, and dispersed poor, thereby limit the use model of iron oxide blackEnclose.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of automobile finish high-performance iron oxide is providedBlack preparation method. The iron oxide black heat-resisting quantity that this preparation method produces is good, and tinting strength, tinting power is high, dispersed superior.
The technical solution used in the present invention is as follows:
A preparation method for high-performance iron oxide black for automobile finish, it adopts NaOH oxidizing process to makeIron oxide black, directly uses the oxidation filter cake of not drying, and adds and is equivalent to iron oxide black filter cake weight 4-6%'sThe MTES of nanometer vermiculite powder and 0.3-0.5%, 1500-2000rpm speed lapping 25-30 dividesClock, takes out after drying and adds appropriate water making beating 20-30 minute, makes the slurries that concentration is 50-60%, andAdd ultra-violet absorber, 0.1-0.3% anti-of polyisobutene, the 0.2-0.3% of slurry weight 0.3-0.4%Oxidant, stirs 15-20 minute, then is less than 50 μ m by colloid mill defibrination to particle diameter, and oven dry is beaten powder and isFinished product.
Beneficial effect of the present invention:
The present invention adopts polyisobutene, ultra-violet absorber, antioxidant to carry out organic to iron oxide black surfaceCoating processing, has improved the serviceability of iron oxide black greatly.
The iron oxide black that the present invention produces has superior heat resistance, well acidproof, alkaline-resisting and extinctionProperty is strong, the feature such as tinting strength, tinting power is high, compatibility good, good dispersion.
Detailed description of the invention
A preparation method for high-performance iron oxide black for automobile finish, it adopts NaOH oxidizing process to makeIron oxide black, directly uses the oxidation filter cake of not drying, and adds and is equivalent to receiving of iron oxide black filter cake weight 5%Rice vermiculite power and 0.4% MTES, 2000rpm speed lapping 25 minutes, after taking out and dryingAdd appropriate water making beating 25 minutes, make concentration and be 55% slurries, and add the poly-of slurry weight 0.3%Isobutene, 0.2% ultra-violet absorber, 0.2% antioxidant, stir 15 minutes, then pass through colloid millDefibrination to particle diameter is less than 50 μ m, and oven dry is beaten powder and is finished product.
The iron oxide black product performance analysis data that the present embodiment is produced is as following table:
| Project | Index | Testing result |
| Fe2O3Content (%) | ≥85 | 91.2 |
| 105 DEG C of volatile matters (%) | ≤1.0 | 0.67 |
| Oil absorption (%) | 15-25 | 22.1 |
| Tinctorial strength (%) | 95-105 | 98.9 |
| Resistance to 200 DEG C/30min (△ E) | ≤1.0 | 0.76 |
Claims (1)
1. the preparation method of an automobile finish use high-performance iron oxide black, it is characterized in that: the iron oxide black that adopts NaOH oxidizing process to make, directly use the oxidation filter cake of not drying, add and be equivalent to the nanometer vermiculite powder of iron oxide black filter cake weight 4-6% and the MTES of 0.3-0.5%, 1500-2000rpm speed lapping 25-30 minute, after taking out oven dry, add appropriate water making beating 20-30 minute, make the slurries that concentration is 50-60%, and add the polyisobutene of slurry weight 0.3-0.4%, the ultra-violet absorber of 0.2-0.3%, the antioxidant of 0.1-0.3%, stir 15-20 minute, be less than 50 μ m by colloid mill defibrination to particle diameter again, oven dry is beaten powder and is finished product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410168261.4A CN104046056B (en) | 2014-04-24 | 2014-04-24 | The preparation method of high-performance iron oxide black for a kind of automobile finish |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410168261.4A CN104046056B (en) | 2014-04-24 | 2014-04-24 | The preparation method of high-performance iron oxide black for a kind of automobile finish |
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| Publication Number | Publication Date |
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| CN104046056A CN104046056A (en) | 2014-09-17 |
| CN104046056B true CN104046056B (en) | 2016-05-18 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105694538A (en) * | 2016-01-05 | 2016-06-22 | 萧县金鹭纺织品有限公司 | Preparation method of low-oil-absorption-amount anticorrosion iron oxide red pigment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN104046056A (en) | 2014-09-17 |
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Address after: 244000 west side of Huaihe Road, Tongling City, Anhui Province 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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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Preparation method of high-performance iron oxide black for automotive topcoat Effective date of registration: 20191223 Granted publication date: 20160518 Pledgee: Tongling Jincheng Financing Guarantee Co., Ltd. Pledgor: TONGLING LINGYANG CHEMICAL CO., LTD. Registration number: Y2019980001208 |