CN101864214B - Aluminium zinc phosphomolybdate compounded rustproof pigment and production method thereof - Google Patents
Aluminium zinc phosphomolybdate compounded rustproof pigment and production method thereof Download PDFInfo
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- CN101864214B CN101864214B CN2010101780657A CN201010178065A CN101864214B CN 101864214 B CN101864214 B CN 101864214B CN 2010101780657 A CN2010101780657 A CN 2010101780657A CN 201010178065 A CN201010178065 A CN 201010178065A CN 101864214 B CN101864214 B CN 101864214B
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Abstract
The invention provides an aluminium zinc phosphomolybdate compounded rustproof pigment which takes aluminium zinc phosphate, zinc molybdate, aluminium phosphate and the like as main raw materials to synthesise aluminium zinc phosphomolybdate compounded rustproof pigment. The rustproof pigment is prepared from the following raw materials in parts by weight: 50-75 parts of aluminium zinc phosphomolybdate, 10-20 parts of aluminium phosphate, 3-10 parts of zinc oxide, 1-8 parts of barium sulphate, 0.5-5 parts of zinc molybdate and 0.1-0.5 part of accessory ingredient. The preparation method comprises the following steps: (1) after a certain quantity of water is added into an agitated reactor, successively adding the aluminium zinc phosphate, aluminium phosphate and zinc molybdate into an agitated reactor under the condition of stirring, stirring at the temperature of 50-100 DEG C; (2) fully stirring the materials with barium sulfate and zinc oxide, and carrying out modified treatment; (3) cooling the materials to be below 50 DEG C, and adding the accessory ingredient to carry out surface treatment; and (4) carrying out centrifugal dehydration, drying, smashing, weighting and packaging into products. The invention has the characteristics of no toxin, environment protection and high efficiency of the rustproof pigment and can completely replace the traditional toxic heavy metal rustproof pigment, such as red lead, zinc chrome and the like in the industrial pigment.
Description
Technical field:
The present invention relates to a kind of rust-stabilising pigment and working method thereof, particularly aluminium zinc phosphomolybdate compounded rustproof pigment and working method thereof, this rust-stabilising pigment can replace the uses of traditional toxic heavy metal rust-stabilising pigment in industrial coating such as red lead, zinc-chrome yellow fully.
Background technology:
The loss that metallic corrosion caused is along with industrial expansion is on the rise.Though anticorrosive measure is a lot of at present, uses the widest coating protection method that remains.Rust-stabilising pigment is the important factor of influence protection effect in this method.For a long time, rust-stabilising pigment always is that with compound leaded, the chromium class be main, though its favorable rust preventing effect, because human to environment and healthy pay attention to day by day, the deleterious rust-stabilising pigment of this type is slowly abandoned.The legal provisions that the chemical that contains harmful heavy metals such as lead, chromium is used in restriction have been worked out like countries and regions such as the U.S., Japan, the European Community.World Ship industry, metal anticorrosion engineering are also progressively being forbidden the coating that contains poisonous, harmful pigment such as red lead, zinc-chrome yellow.External each big harbour does not allow steamer leaded in the coating, chromium to enter a port yet.At present; On the market both domestic and external low/non-poisonous antirust pigment mainly contains iron mica, red iron oxide, zn phosphate and modified zinc phosphate, aluminium triphosphate, phospho-molybdic acid zinc series, ion exchange pigment, magnesium ferrite and phosphite etc., but do not see relevant for the report of aluminium zinc phosphomolybdate as rust-stabilising pigment.
Summary of the invention:
The purpose of this invention is to provide a kind of is synthetic aluminium zinc phosphomolybdate compounded rustproof pigment of main raw material and working method thereof with phosphagel phosphaljel zinc, zinc molybdate and phosphagel phosphaljel etc., characteristics nontoxic, environment-friendly high-efficiency that this rust-stabilising pigment has,
Rust-stabilising pigment of the present invention is processed by the raw material of following parts by weight:
Phosphagel phosphaljel zinc 50～75
Phosphagel phosphaljel 10～20
Zinc oxide 3～10
Permanent white 1～8
Zinc molybdate 0.5～5
Auxiliary agent 0.1～0.5.
Above-described each compound is not to calculate with the pure substance raw material of crystal water.
Aluminium zinc phosphomolybdate compounded rustproof pigment provided by the invention, said auxiliary agent is the amine auxiliary agent, comprises Monoethanolamine MEA BASF, diethylolamine, trolamine etc.
The present invention also provides the preparation method of above-mentioned aluminium zinc phosphomolybdate compounded rustproof pigment, it is characterized in that the process step process is following:
(1) add a certain amount of water in the reaction kettle after, under stirring condition, successively phosphagel phosphaljel zinc, phosphagel phosphaljel and zinc molybdate are added the reaction kettle stirring reaction, temperature of reaction is in 50～100 ℃ of scopes;
(2) permanent white and zinc oxide are added fully stirring in the above-mentioned material, in 50～100 ℃ of TRs, carry out modification and handle;
(3) above-mentioned material is cooled to below 50 ℃, adds auxiliary agent and utilize high-speed stirring to carry out surface treatment;
(4) centrifuge dehydration, drying, pulverize, weigh, be packaged into product.
Among the preparation method of aluminium zinc phosphomolybdate compounded rustproof pigment of the present invention, the aluminium zinc phosphomolybdate that phosphagel phosphaljel zinc, phosphagel phosphaljel and Zinc aluminate obtain after reaction is an acidulous material, and pigment pH value scope is 5～6.Add zinc oxide and carry out the modification processing, utilize the weakly alkaline of its amphoteric properties, react with phosphorus aluminic acid aluminium zinc, the pH value scope that obtains mixture is 6～7.
Among the preparation method of aluminium zinc phosphomolybdate compounded rustproof pigment of the present invention, add permanent white and can improve the character such as affinity, leveling characteristics and compatibility of phosphorus aluminic acid aluminium zinc rust-stabilising pigment in coating.
Among the preparation method of aluminium zinc phosphomolybdate compounded rustproof pigment of the present invention, utilize the alkalescence of amine auxiliary agent that the aluminium zinc phosphomolybdate rust-stabilising pigment is carried out surface treatment, the pH value of mixture is greater than 7 after treatment.
Among the preparation method of aluminium zinc phosphomolybdate compounded rustproof pigment of the present invention, in order to reach surface treatment effect preferably, the stirring velocity behind the adding auxiliary agent is (more than PM 200 commentaries on classics) at a high speed, and temperature of charge is less demanding in 50 ℃.
Aluminium zinc phosphomolybdate compounded rustproof pigment being added an amount of talcum powder, red iron oxide etc. be filler, is base-material with phenolic varnish (trade mark is C01-1), disperses to roll slurry with sand mill.After fineness is qualified, add siccative, regulate viscosity at 40-60s with turps, fineness is controlled at below the 60um, adds an amount of anti-settling agent, is made into phenolic antirust paint.Adopt commercially available red lead phenolic antirust paint as a comparison.ZBG51090-87 carries out actual detected according to red lead phenolic antirust paint industry standard, and the result is following:
The performance index of table 1 aluminium zinc phosphomolybdate compounded rustproof pigment phenolic antirust paint
| Interventions Requested | ZBG51090-87 | The red lead phenolic antirust paint | Test lacquer * |
| Paint film color and outward appearance | Orange, paint film is smooth | Orange, paint film is smooth | Rust, paint film is smooth |
| Viscosity (being coated with-4 glasss); s | ≥40 | 58 | 60 |
| Fineness; μ m | ≤50 | 50 | 45 |
| Opacifying power; G/m 2 | ≤220 | 200 | 160 |
| Time of drying; The hr surface drying is done solid work | ≤5 ≤24 | 2.5 18 | 3.5 20 |
| Hardness (fork appearance) | ≥0.2 | 0.4 | 0.45 |
| Shock strength; Kg/cm | 50 | 50 | 50 |
| Resistance to salt water (3%NaCl); 120hr | Non-foaming, non-corrosive allows slight loss of gloss | Passed through in 250 hours | Passed through in 250 hours |
Embodiment
Specify below in conjunction with embodiment.
Embodiment 1:
In reaction kettle, add water to stirring rake, be heated to 55 ℃ after, under agitation add the phosphagel phosphaljel zinc of 120 kg, 20 kilograms phosphagel phosphaljel and 2 kilograms Zinc aluminate successively.After 30 minutes, add 15 kilograms of permanent white and 15 kilograms of zinc oxide, continue reaction 30 minutes; Treat that temperature drops to 40 ℃, add 0.2 kilogram of diethylolamine, start high-speed stirring; Control PM 200 changes, and after 30 minutes, material is carried out centrifuge dehydration, drying, pulverizes, weighs, is packaged into product.
Embodiment 2:
In reaction kettle, add water to stirring rake, be heated to 80 ℃ after, under agitation add 140 kilograms phosphagel phosphaljel zinc, 35 kilograms phosphagel phosphaljel and 8 kilograms zinc molybdate successively.After 30 minutes, add 3 kilograms of permanent white and 10 kilograms of zinc oxide, continue reaction 30 minutes; Treat that temperature drops to 35 ℃, add 1 kilogram of trolamine, start high-speed stirring; Control PM 250 changes, and after 30 minutes, material is carried out centrifuge dehydration, drying, pulverizes, weighs, is packaged into product.
Embodiment 3:
In reaction kettle, add water to stirring rake, be heated to 95 ℃ after, under agitation add 100 kilograms phosphagel phosphaljel zinc, 40 kilograms phosphagel phosphaljel and 1 kilogram Zinc aluminate successively.After 30 minutes, add 2 kilograms of permanent white and 6 kilograms of zinc oxide, continue reaction 30 minutes; Treat that temperature drops to 50 ℃, add 0.5 kilogram of Monoethanolamine MEA BASF, start high-speed stirring; Control PM 350 changes, and after 30 minutes, material is carried out centrifuge dehydration, drying, pulverizes, weighs, is packaged into product.
Embodiment 4:
In reaction kettle, add water to stirring rake, be heated to 70 ℃ after, under agitation add 130 kilograms phosphagel phosphaljel zinc, 28 kilograms phosphagel phosphaljel and 5 kilograms Zinc aluminate successively.After 30 minutes, add 16 kilograms of permanent white and 12 kilograms of zinc oxide, continue reaction 30 minutes; Treat that temperature drops to 36 ℃, add 0.4 kilogram of trolamine, start high-speed stirring; Control PM 400 changes, and after 30 minutes, material is carried out centrifuge dehydration, drying, pulverizes, weighs, is packaged into product.
Embodiment 5:
In reaction kettle, add water to stirring rake, be heated to 60 ℃ after, under agitation add 150 kilograms phosphagel phosphaljel zinc, 38 kilograms phosphagel phosphaljel and 10 kilograms zinc molybdate successively.After 30 minutes, add 5 kilograms of permanent white and 13 kilograms of zinc oxide, continue reaction 30 minutes; Treat that temperature drops to 42 ℃, add 0.6 kilogram of diethylolamine, start high-speed stirring; Control PM 450 changes, and after 30 minutes, material is carried out centrifuge dehydration, drying, pulverizes, weighs, is packaged into product.
The aluminium zinc phosphomolybdate compounded rustproof pigment effect:
Application implementation example 1, aluminium zinc phosphomolybdate compounded rustproof pigment of the present invention are applied to the North Sea, Guangxi ship and carry out the corrosion-resistanting test processing; Apply the phenolic aldehyde paint that red iron oxide phenolic aldehyde paint and aluminium zinc phosphomolybdate compounded rustproof pigment are processed respectively at two adjacent positions of this ship hull, filmogen and solvent phase are together.After going to sea operation in 3 months, red iron oxide paint has obscission, and the paint that aluminium zinc phosphomolybdate compounded rustproof pigment is processed is very firm, does not have obscission, and the result proves that aluminium zinc phosphomolybdate compounded rustproof pigment of the present invention is effective.
Application implementation example 2, aluminium zinc phosphomolybdate compounded rustproof pigment of the present invention are applied to Guiping, Guangxi ship and carry out the corrosion-resistanting test processing; Apply the alkyd paint that red iron oxide alkyd paint and aluminium zinc phosphomolybdate compounded rustproof pigment are processed respectively at two adjacent positions of this ship hull, filmogen and solvent phase are together.Operation is after 8 months through the inland river; The red iron oxide alkyd paint has obscission, and the hull of the part that comes off has a small amount of corrosion phenomena, and applies the adjacent part of aluminium zinc phosphomolybdate compounded rustproof pigment alkyd paint; Paint film is complete, and the result proves that aluminium zinc phosphomolybdate compounded rustproof pigment of the present invention is effective.
Claims (2)
1. aluminium zinc phosphomolybdate compounded rustproof pigment is characterized in that this rust-stabilising pigment is to be processed by the raw material of following parts by weight:
Described auxiliary agent is the amine auxiliary agent, comprises Monoethanolamine MEA BASF, diethylolamine, trolamine.
2. the working method of aluminium zinc phosphomolybdate compounded rustproof pigment as claimed in claim 1 is characterized in that the technological process step is following:
(1) add a certain amount of water in the reaction kettle after, under stirring condition, successively phosphagel phosphaljel zinc, phosphagel phosphaljel and zinc molybdate are added reaction kettle and carry out stirring reaction, temperature of reaction is 50～100 ℃;
(2) permanent white and zinc oxide are added fully stirring in the above-mentioned material, in 50～100 ℃ TR, carry out modification and handle;
(3) above-mentioned material is cooled to below 50 ℃, adds auxiliary agent, the high-speed stirring of utilizing PM 200 to change above is carried out surface treatment;
(4) centrifuge dehydration, drying, pulverize, weigh, be packaged into product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101780657A CN101864214B (en) | 2010-05-20 | 2010-05-20 | Aluminium zinc phosphomolybdate compounded rustproof pigment and production method thereof |
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| CN2010101780657A CN101864214B (en) | 2010-05-20 | 2010-05-20 | Aluminium zinc phosphomolybdate compounded rustproof pigment and production method thereof |
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| CN101864214B true CN101864214B (en) | 2012-02-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102226046B (en) * | 2011-04-15 | 2014-05-28 | 贵阳神迪化工有限公司 | Modified aluminium trippolyhosphate anticorrosive paint with high efficiency |
| CN107245288B (en) * | 2016-11-07 | 2019-09-06 | 中山蓝海洋水性涂料有限公司 | High-alkali-resistance strong-adhesion water-based metal matte baking paint and preparation and use methods thereof |
| CN106590034B (en) * | 2016-12-13 | 2019-01-01 | 广西壮族自治区化工研究院 | A kind of phosphite powder of nano-oxide inorganic coating and water paint containing the powder |
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| US20050058689A1 (en) * | 2003-07-03 | 2005-03-17 | Reactive Surfaces, Ltd. | Antifungal paints and coatings |
| CN101045843B (en) * | 2007-04-18 | 2010-05-19 | 邹磊 | Water industrial antirust paint and preparation method thereof |
| CN101260269B (en) * | 2008-04-01 | 2010-07-28 | 徐州市三为水性漆科技有限公司 | Water aluminum powder paint and preparation method thereof |
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