CN105086557B - Doped ferric oxide powder for anti-corrosive paint of epoxy resin and preparation method thereof - Google Patents
Doped ferric oxide powder for anti-corrosive paint of epoxy resin and preparation method thereof Download PDFInfo
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- CN105086557B CN105086557B CN201510628394.XA CN201510628394A CN105086557B CN 105086557 B CN105086557 B CN 105086557B CN 201510628394 A CN201510628394 A CN 201510628394A CN 105086557 B CN105086557 B CN 105086557B
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Abstract
Belong to anticorrosive paint technology field for doped ferric oxide powder of anti-corrosive paint of epoxy resin and preparation method thereof there is provided a kind of the invention aims to the antiseptic property of further raising anti-corrosive paint of epoxy resin.The doped ferric oxide powder of the present invention, is made up of di-iron trioxide and magnesia and the weight ratio of di-iron trioxide and magnesia is (100~120) part：(1.67~2.5) part.Its preparation method is takes iron chloride, urea, water and compound containing magnesium ion as raw material, after being mixed, and under the conditions of reaction temperature is 80~95 DEG C, reacts 3~5 hours, obtains the muddy precursor solution of yellow；Again by precursor solution filtration drying, 450~550 DEG C are then warming up in heating furnace, 1.5~3 hours are incubated, then natural air is cooled to room temperature, obtains doped ferric oxide powder.The ferric oxide powder can improve the defect in ferric oxide powder, improve the antiseptic property of ferric oxide powder；Its preparation method has technique simple, cheap, the characteristics of cost performance is high.
Description
Technical field
The invention belongs to anticorrosive paint technology field, more particularly to a kind of doping for anti-corrosive paint of epoxy resin is aoxidized
Iron powder body and preparation method thereof.
Background technology
The problem of anti-corrosion of coating is related to two aspects of coating preparation and anticorrosion with coat performance.All the time, Ren Mendou
Exploring and studying various methods in the hope of increasing the antiseptic property of coating, prepared by epoxy coating and manufacturing enterprise mainly uses
Epoxy resin is base-material, and adds reactive pigment, corrosion inhibiter and coalescents etc..Iron oxide is as important reactive pigment in ring
Used in oxygen tree grease coating material, inorganic acid effect under by the rust transformation on reinforcing bar be beneficial stabilized protection course, prevent reinforcing bar
Further corrosion.However as going from bad to worse, it is necessary to the more excellent coating of antiseptic property for natural environment, therefore to oxidation
Iron pigment is it is also proposed that higher requirement.
The content of the invention
It is used for the invention aims to the antiseptic property for further improving anti-corrosive paint of epoxy resin there is provided one kind
Doped ferric oxide powder of anti-corrosive paint of epoxy resin and preparation method thereof, the ferric oxide powder can improve in ferric oxide powder
Defect, improve ferric oxide powder antiseptic property；Its preparation method has technique simple, cheap, the high spy of cost performance
Point.
The purpose of the present invention is achieved by the following technical solution：
A kind of doped ferric oxide powder for anti-corrosive paint of epoxy resin, is made up of, three di-iron trioxide and magnesia
The ratio between parts by weight of two iron and magnesia are aoxidized for (100~120) part：(1.67~2.5) part；
Preferably, the ratio between parts by weight of di-iron trioxide and magnesia are 100：2.17；
The particle size range of above-mentioned doped ferric oxide powder is 40~100nm.
Above-mentioned doped ferric oxide raw powder's production technology, comprises the following steps：
(1) take iron chloride, urea, compound containing magnesium ion and water as raw material, after being mixed, stir, anti-
Answer temperature under the conditions of 80~95 DEG C, to react 3~5 hours, obtain the muddy precursor solution of yellow；
Wherein, the ratio of weight and number of four kinds of raw material additions is：203~244 parts of iron chloride, 240~300 parts of urea steams
1~1.5 part of magnesium ion in 400~500 parts of distilled water, compound containing magnesium ion；
Described compound containing magnesium ion is one or both of magnesium chloride and magnesium hydroxide；
(2) precursor solution is filtered, takes precipitation drying, then in heating furnace according to 80~100 DEG C/h speed liter
Temperature is incubated 1.5~3 hours to 450~550 DEG C, and then natural air is cooled to room temperature, obtains doped ferric oxide powder.
Above-mentioned doped ferric oxide powder in use, using weight content as 0.45wt% volume add epoxy resin in,
It is used as the reactive pigment of anticorrosive paint.
Compared with prior art, advantage of the invention is that：
1st, magnesia is doped with ferric oxide powder of the invention, after being added in epoxy coating, with adding pure oxygen
The epoxy coating for changing iron powder body is compared, and the antiseptic property of coating greatly improved.
2nd, doped ferric oxide powder of the present invention is formed by the reaction of the raw materials such as iron chloride, urea and magnesium ion, and raw material is easy
, ample supply and prompt delivery are pollution-free, and processing is simple, with low cost.
3rd, it is difficult that the two is mixed equal with conventional powder mixing method due to the oxidation magnesium amount very little adulterated in ferric oxide powder
It is even；The two co-precipitation is not only well mixed but also powder granularity is tiny by the solution deposit by wet method of the present invention.
Embodiment
With reference to specific embodiment, the present invention will be described in further detail, but protection scope of the present invention not by
Specific embodiment is limited.In addition, with without prejudice on the premise of technical solution of the present invention, this area done to the present invention
Any modifications or changes that those of ordinary skill easily realizes are fallen within scope of the presently claimed invention.
Raw material in following examples is purchased in market.
Embodiment 1
By each raw material according to parts by weight：Iron chloride is 203 parts, and urea is 240 parts, and distilled water is 400 parts, in magnesium chloride
Magnesium ion is well mixed for 1 part of ratio, using solution deposit, and reaction temperature is 95 DEG C, and the reaction time is 4 hours, is obtained
The muddy precursor solution of yellow；
Precursor solution is filtered, take be deposited in 50 DEG C of baking ovens dry, then in Muffle furnace according to 100 DEG C/h speed
Degree is warming up to 550 DEG C, and after being incubated 2 hours, natural air is cooled to room temperature, obtains mg-doped iron oxide.
In doped ferric oxide powder prepared by this method, the ratio between parts by weight of di-iron trioxide and magnesia are 100:
1.67, the particle diameter of powder is 40~100nm.
The doped ferric oxide powder of the present invention with 0.45wt% volume by doped ferric oxide powder in use, add bis-phenol
In A type epoxy resin, to play a part of improving antiseptic property, and antiseptic property is carried out according to HG/T 2884-1997 method
Test.
Embodiment 2
By each raw material according to parts by weight：Iron chloride is 203 parts, and urea is 245 parts, and distilled water is 405 parts, magnesium hydroxide
Middle magnesium ion is well mixed for 1.1 parts of ratio, is reacted using solution deposit, and reaction temperature is 80 DEG C, and the reaction time is 5 small
When, obtain the muddy precursor solution of yellow；
Precursor solution is filtered, take be deposited in 50 DEG C of baking ovens dry, then in Muffle furnace according to 80 DEG C/h speed
Degree is warming up to 450 DEG C, and after being incubated 3 hours, natural air is cooled to room temperature, obtains mg-doped iron oxide.
In doped ferric oxide powder prepared by this method, the ratio between parts by weight of di-iron trioxide and magnesia are 100:
1.83, the particle diameter of powder is 40~100nm.
The application method and detection method be the same as Example 1 of doped ferric oxide powder of the present invention.
Embodiment 3
By each raw material according to parts by weight：203 parts of iron chloride, 250 parts of urea, distilled water is 410 parts, magnesium in magnesium hydroxide
Ion is well mixed for 1.2 parts of ratio, is reacted using solution deposit, and reaction temperature is 90 DEG C, and the reaction time is 3 hours,
Obtain the muddy precursor solution of yellow；
Precursor solution is filtered, take be deposited in 60 DEG C of baking ovens dry, then in Muffle furnace according to 90 DEG C/h speed
Degree is warming up to 500 DEG C, and after being incubated 1.5 hours, natural air is cooled to room temperature, obtains mg-doped iron oxide.
In doped ferric oxide powder prepared by this method, the ratio between parts by weight of di-iron trioxide and magnesia are 100:2,
The particle diameter of powder is 40~100nm.
The application method and detection method be the same as Example 1 of doped ferric oxide powder of the present invention.
Embodiment 4
By each raw material according to parts by weight：Iron chloride is 203 parts, and urea is 255 parts, and distilled water is 415 parts, in magnesium chloride
Magnesium ion be 1.3 parts, ratio be well mixed, preparation method be the same as Example 1.
In doped ferric oxide powder prepared by this method, the ratio between parts by weight of di-iron trioxide and magnesia are 100:
2.17, the particle diameter of powder is 40~100nm.
The application method and detection method be the same as Example 1 of doped ferric oxide powder of the present invention.
Embodiment 5
By each raw material according to parts by weight：Iron chloride is 203 parts, and urea is 260 parts, and distilled water is 430 parts, magnesium hydroxide
Middle magnesium ion is well mixed for 1.5 parts of ratio, preparation method be the same as Example 1.
In doped ferric oxide powder prepared by this method, the ratio between parts by weight of di-iron trioxide and magnesia are 100：
2.5, the particle diameter of powder is 40~100nm.
The application method and detection method be the same as Example 1 of doped ferric oxide powder of the present invention.
Embodiment 6
By each raw material according to parts by weight：Iron chloride is 244 parts, and urea is 300 parts, and distilled water is 500 parts, in magnesium chloride
Magnesium ion is 0.5 part, and magnesium ion is well mixed for 0.5 part of ratio in magnesium hydroxide, preparation method be the same as Example 2.
In doped ferric oxide powder prepared by this method, the ratio between parts by weight of di-iron trioxide and magnesia are 120：
1.67, the particle diameter of powder is 40~100nm.
Embodiment 7
By each raw material according to parts by weight：Iron chloride is 223.5 parts, and urea is 270 parts, and distilled water is 450 parts, magnesium chloride
Middle magnesium ion is 0.5 part, and magnesium ion is well mixed for 0.5 part of ratio in magnesium hydroxide, preparation method be the same as Example 3.
In doped ferric oxide powder prepared by this method, the ratio between parts by weight of di-iron trioxide and magnesia are 110：
1.67, the particle diameter of powder is 40~100nm.
Embodiment 8
By each raw material according to parts by weight：Iron chloride is 244 parts, and urea is 300 parts, and distilled water is 500 parts, in magnesium chloride
Magnesium ion is well mixed for 1.5 parts of ratio, preparation method be the same as Example 2.
In doped ferric oxide powder prepared by this method, the ratio between parts by weight of di-iron trioxide and magnesia are 120：
2.5, the particle diameter of powder is 40~100nm.
Table 1 below is doped ferric oxide powder made from above example 1~5 and pure iron oxide powder with 0.45wt%
Volume is added in bisphenol A type epoxy resin, and the antiseptic property index of epoxy resin is compared.As can be seen from Table 1, will
After doped ferric oxide powder incorporation epoxy resin, its antiseptic property is more preferable compared with the antiseptic property of incorporation pure iron oxide powder, especially
The weight ratio for being di-iron trioxide and magnesia is 100:Effect is best when 2.17.
Table 1, the epoxy resin antiseptic property index for mixing ferric oxide powder
| Salt-fog resistant test/h | Alkali resistance (0.5%NaOH)/h | Acid resistance (5%H2SO4)/h | |
| Pure iron oxide powder | 680 | 800 | 960 |
| Embodiment 1 | 720 | 960 | 1200 |
| Embodiment 2 | 810 | 1150 | 1420 |
| Embodiment 3 | 980 | 1280 | 1600 |
| Embodiment 4 | 1200 | 1450 | 1780 |
| Embodiment 5 | 1050 | 1300 | 1580 |
Claims (5)
1. a kind of doped ferric oxide powder for anti-corrosive paint of epoxy resin, it is characterised in that by di-iron trioxide and oxidation
Magnesium is constituted, and the ratio between parts by weight of di-iron trioxide and magnesia are (100~120) part: (1.67~2.5) part；
The particle size range of the doped ferric oxide powder is 40~100nm；
The doped ferric oxide raw powder's production technology, comprises the following steps：
(1) take iron chloride, urea, water and compound containing magnesium ion as raw material, after being mixed, stir, in reaction temperature
Spend under the conditions of 80~95 DEG C, to react 3~5 hours, obtain the muddy precursor solution of yellow；
(2) precursor solution is filtered, takes precipitation drying, be then warming up in heating furnace according to 80~100 DEG C/h speed
450~550 DEG C, and 1.5~3 hours are incubated, then natural air is cooled to room temperature, obtains doped ferric oxide powder.
2. a kind of doped ferric oxide powder for anti-corrosive paint of epoxy resin according to claim 1, it is characterised in that
The weight ratio of the di-iron trioxide and magnesia is 100 parts: 2.17 parts.
3. a kind of doped ferric oxide powder for anti-corrosive paint of epoxy resin according to claim 1, it is characterised in that
The iron chloride, urea, the ratio of weight and number of water and the addition of compound containing magnesium ion are：203~244 parts of iron chloride, urea
240~300 parts, 400~500 parts of distilled water, 1~1.5 part of magnesium ion in compound containing magnesium ion.
4. a kind of doped ferric oxide powder for anti-corrosive paint of epoxy resin according to claim 1 or 3, its feature exists
In described compound containing magnesium ion is one or both of magnesium chloride and magnesium hydroxide.
5. a kind of application of doped ferric oxide powder for anti-corrosive paint of epoxy resin described in claim 1 or 2, its feature
It is, volume of the doped ferric oxide powder using weight content as 0.45wt% is added in epoxy resin, is used as anticorrosive paint
Reactive pigment.
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| CN114622403B (en) * | 2022-03-24 | 2024-01-16 | 台州市凯达利塑纺有限公司 | Antibacterial mildew-proof oxford fabric and preparation method thereof |
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| CN102153124A (en) * | 2010-12-07 | 2011-08-17 | 何侠 | Method for preparing nitrates from pyrite cinders by chemical method |
| CN102249316A (en) * | 2010-12-21 | 2011-11-23 | 王嘉兴 | Method for preparing chromium hydroxide and co-producing iron chloride and calcium, magnesium and aluminum mixed hydroxide by using chromium residues |
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