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Aluminum cathode anticorrosive paint for zinc electrodeposition and preparation technique thereof

An anti-corrosion coating, aluminum cathode technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of weak anti-penetration, short coating life, poor bonding force, etc., and achieve short manufacturing process and service life. Prolonged, anti-permeation and acid-resistant performance

Active Publication Date: 2016-09-28
昆明高聚科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an aluminum cathode anti-corrosion coating for zinc electrodeposition and its preparation process to solve the problems of short coating life, poor bonding force, and impermeability when common anticorrosion coatings are used for zinc electrodeposition aluminum cathode protective coatings. Weak, not resistant to impact, lack of toughness and other issues

Method used

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  • Aluminum cathode anticorrosive paint for zinc electrodeposition and preparation technique thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0018] The aluminum cathode anti-corrosion coating for zinc electrowinning in this embodiment includes A component, B component and C component, in parts by mass, and the composition of each component is as follows:

[0019] Component A: 100 parts of vinyl ester resin, 15 parts of reactive diluent, 10 parts of toughening component, 6 parts of auxiliary agent, 5 parts of pigment, 35 parts of filler;

[0020] Among them, the vinyl ester resin is made by mixing flexible vinyl ester resin, bisphenol F type epoxy vinyl ester resin and bisphenol A type epoxy vinyl ester resin in a mass ratio of 0.3:0.5:1; the active diluent is composed of Styrene and methyl methacrylate are mixed at a mass ratio of 1:1; the toughening component is composed of polyvinyl butyral (PVB), polytetrafluoroethylene micropowder (PTFE), CHX100 unsaturated terminal reactive liquid butyral Nitrile rubber is mixed at a mass ratio of 0.1:0.1:1; additives include 1 part of TEGO Foamex810 defoamer, 2 parts of TEGO ...

Embodiment 2

[0026] The aluminum cathode anti-corrosion coating for zinc electrowinning in this embodiment includes A component, B component and C component, in parts by mass, and the composition of each component is as follows:

[0027] Component A: 150 parts of vinyl ester resin, 25 parts of reactive diluent, 25 parts of toughening component, 12 parts of additives, 10 parts of pigment, 60 parts of filler;

[0028] Among them, the vinyl ester resin is made by mixing flexible vinyl ester resin, bisphenol F type epoxy vinyl ester resin and bisphenol A type epoxy vinyl ester resin in a mass ratio of 0.4:1:1; the active diluent is composed of Styrene and methyl methacrylate are mixed at a mass ratio of 1:2; the toughening component is composed of polyvinyl butyral (PVB), polytetrafluoroethylene micropowder (PTFE), CHX100 unsaturated terminal reactive liquid butyral Nitrile rubber is mixed at a mass ratio of 0.4:0.6:1; additives include 1.5 parts of TEGO Foamex810 defoamer, 5 parts of TEGO Dis...

Embodiment 3

[0034] The aluminum cathode anti-corrosion coating for zinc electrowinning in this embodiment includes A component, B component and C component, in parts by mass, and the composition of each component is as follows:

[0035] Component A: 120 parts of vinyl ester resin, 15 parts of reactive diluent, 20 parts of toughening component, 8 parts of additives, 8 parts of pigment, 40 parts of filler;

[0036] Among them, the vinyl ester resin is made by mixing flexible vinyl ester resin, bisphenol F type epoxy vinyl ester resin and bisphenol A type epoxy vinyl ester resin at a mass ratio of 0.1:0.3:1; Styrene is used; the toughening component is made by mixing polyvinyl butyral (PVB), polytetrafluoroethylene micropowder (PTFE), CHX100 unsaturated terminal reactive liquid nitrile rubber in a mass ratio of 0.3:0.4:1; The additives include 1 part of TEGO Foamex 810 defoamer, 4 parts of TEGO Dispers 655 wetting and dispersing agent, 0.5 part of TEGO Glide B 1484 leveling agent, 1 part of ...

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Abstract

The invention relates to an aluminum cathode anticorrosive paint for zinc electrodeposition and a preparation technique thereof. The anticorrosive paint comprises a component A, a component B and a component C. The component A comprises the following ingredients in parts by mass: 100-150 parts of vinyl ester resin, 15-25 parts of reactive diluent, 10-25 parts of toughening component, 6-12 parts of aid, 5-10 parts of pigment and 25-60 parts of filler. The component B is a solution formed by mixing cobalt naphthenate and styrene in a mass ratio of 1:1. The component C is a solution formed by mixing methylethyl ketone peroxide and dimethyl phthalate in a mass ratio of 1:(0.5-1.2). The component A, component B and component C are blended in a mass ratio of 100:(0.5-3):(1-6) to obtain the anticorrosive paint which can be constructed and used immediately. When being used as an anticorrosive coating, the paint has the advantages of excellent adhesive force, excellent impact resistance, excellent acid resistance, excellent damp heat resistance and excellent salt spray resistance, and especially has excellent permeation resistance and acid resistance.

Description

technical field [0001] The invention relates to the technical field of anti-corrosion paint for electrode plates for electrowinning and a preparation method thereof, which can be used for the protection of aluminum cathode plates for zinc electrowinning in the field of hydrometallurgy. Background technique [0002] In the hydrometallurgical zinc smelting process, most of the aluminum cathode plate of zinc electrolysis is immersed in the electrolyte, and a small part is exposed to the air, and the part exposed to the air is at the gas-liquid phase interface, directly contacting the Oxygen, carbon dioxide, sulfuric acid mist, water vapor, etc., and due to the existence of some impurity elements (mainly affected by fluorine / chloride ions) in the zinc electrolytic solution and the anode will generate a large amount of oxygen during the electrolysis process, its working environment is extremely harsh. These factors together cause the corrosion of the exposed part of the cathode p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/10C09D201/00C09D5/08C09D7/12
CPCC08K2201/011C08K2201/014C08L2203/20C08L2205/025C08L2205/035C09D5/08C09D7/61C09D7/62C09D7/63C09D7/65C09D7/70C09D163/10C08L63/10C08L101/00C08L29/14C08L27/18C08L9/02C08K13/06C08K9/06C08K7/00C08K3/36
Inventor 黄惠董劲潘明熙黄初涛
Owner 昆明高聚科技有限公司
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