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Metal antirust paint with modified steel slag-based pigment and filler replacing iron oxide red, and preparation method

A steel slag-based paint and metal anti-rust technology, which is applied in anti-corrosion coatings, polyester coatings, epoxy resin coatings, etc., can solve the problems of expensive filling pigments, and achieve the effects of enhancing market competitiveness, easy operation, and simple process

Inactive Publication Date: 2020-02-28
QINGDAO REALEADER ADVANCED MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the main antirust paint pigments and fillers mainly include iron oxide, mica iron oxide, chromium oxide, zinc oxide, titanium oxide, lithopone, calcium carbonate, talc, nanoclay, barium sulfate, etc., but the above pigments are expensive

Method used

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  • Metal antirust paint with modified steel slag-based pigment and filler replacing iron oxide red, and preparation method
  • Metal antirust paint with modified steel slag-based pigment and filler replacing iron oxide red, and preparation method
  • Metal antirust paint with modified steel slag-based pigment and filler replacing iron oxide red, and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Modified steel slag-based pigments and fillers replace iron red metal antirust coatings, consisting of the following substances by weight percentage:

[0025]

[0026] The selected modifier is a mixed solution of ferric chloride and aluminum chloride with a pH value of 6; the steel slag-based pigment and filler is 400 mesh steel slag fine powder; the resin is a mixture of epoxy resin and alkyd resin; the solvent is ethyl ester; It is a mixture of wetting agent, dispersant, defoamer, thickener, leveling agent and anti-settling agent; The foaming agent is an amide, the thickener is a polyurethane thickener, the leveling agent is a fluorine-modified acrylate, and the anti-settling agent is fumed silica; the diisooctyl hyaluronic acid acid salt: sodium hexametaphosphate : Amide: Polyurethane thickener: Fluorine-modified acrylate: The mass ratio of fumed silica is 1:2:2:2:2:1; the coloring pigment and filler is iron oxide.

[0027] The preparation method of the metal ant...

Embodiment 2

[0033] Modified steel slag-based pigments and fillers replace iron red metal antirust coatings, consisting of the following substances by weight percentage:

[0034]

[0035]

[0036] The mixed solution of ferric chloride and sulfuric acid with a modifier pH value of 6.5 is selected; steel slag-based pigments and fillers are 400 mesh steel slag micropowder; the resin is a mixture of epoxy resin, alkyd resin and polyester resin; the solvent is ethyl ester and butyl mixture of esters; auxiliary agent is a mixture of wetting agent, dispersant, defoamer, thickener, leveling agent and anti-sedimentation agent; Sodium hexametaphosphate, the defoamer is an amide, the thickener is a polyurethane thickener, the leveling agent is a fluorine-modified acrylate, and the anti-sedimentation agent is fumed silica; Salt: Sodium Hexametaphosphate: Amide: Polyurethane Thickener: Fluorine-modified Acrylic Ester: The mass ratio of fumed silica is 1:2:2:2:2:1; the coloring pigment and filler ...

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Abstract

The invention discloses a metal antirust coating with modified steel slag-based pigment and filler replacing iron oxide red and a preparation method thereof. The metal antirust coating has the advantages of easily available raw materials, low price, excellent performance, simple process, convenience in operation and environmental friendliness. The metal antirust paint is composed of the followingcomponents in percentage by mass: 15-20% of a modifier, 15-30% of a steel slag-based pigment filler, 20-35% of a resin, 20-30% of a solvent, 25-10% of an auxiliary agent, and 3-5% of a coloring pigment filler. The metal antirust coating is prepared by four steps of preparation of a modified steel slag-based pigment and filler precursor, preparation of the modified steel slag-based pigment and filler, preparation of a metal antirust coating precursor and preparation of the product metal antirust coating.

Description

technical field [0001] The invention relates to a metal antirust coating and a preparation method thereof, in particular to a metal antirust coating in which steel slag-based pigments and fillers replace iron red and a preparation method thereof. Background technique [0002] Steel slag is solid waste produced in the steelmaking process, accounting for about 15% to 20% of steelmaking output. Steel slag is mainly composed of oxides of calcium, iron, silicon, magnesium and a small amount of aluminum, manganese, phosphorus, etc. The main mineral phase is a solid solution formed by tricalcium silicate, dicalcium silicate, calcium magnesium olivine, calcium aluminate ferrite and oxides of silicon, magnesium, iron, manganese and phosphorus, and also contains a small amount of free calcium oxide and metal iron etc. According to China, the steel slag produced in 2014 exceeded 120 million tons, and the steel slag produced in 2015 exceeded 150 million tons. At present, the cumulativ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/08C09D163/00C09D167/08C09D167/00
CPCC08L2205/02C08L2205/03C08L2205/035C09D5/084C09D163/00C09D167/00C09D167/08C08L67/08C08K13/08C08K11/00C08K9/02C08L63/00C08L67/00
Inventor 孟良李智璐张浩
Owner QINGDAO REALEADER ADVANCED MATERIALS TECH
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