Solvent-free type epoxy zinc rich primer and preparation method thereof

An epoxy zinc-rich primer, solvent-free technology, applied in epoxy resin coatings, coatings, etc., can solve problems such as potential safety hazards, achieve long anti-corrosion years, excellent anti-corrosion ability, and enhance the effect of film layer compactness

Active Publication Date: 2013-08-28
JIANGSU DAZHONG NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Zinc powder is relatively active, and it is easy to react with water to release hydrogen gas, which poses a safety hazard

Method used

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  • Solvent-free type epoxy zinc rich primer and preparation method thereof
  • Solvent-free type epoxy zinc rich primer and preparation method thereof
  • Solvent-free type epoxy zinc rich primer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Preparation of component A: liquid epoxy resin (Jiangsu Sanmu Group Co., Ltd. SM618) 20Kg, vinyl bishard amide 0.5Kg, glycidyl neodecanoate (Hebei Siyou Excellence Technology Co., Ltd. ShigenaTM10) 5Kg, polyamide Disperse 0.5Kg of wax and 60Kg of zinc powder until the fineness is below 50 microns, heat to 60°C, keep warm for 30 minutes, and finally put in 4Kg of 2,4,6-tris(dimethylaminomethyl)phenol, 2-(4-thiazole base) benzimidazole 0.5Kg, BYK-066N0.2Kg dispersed evenly to obtain A component;

[0033] Preparation of component B: Add cardanol formal diethylenetriamine 20Kg, benzophenone imine (Nanjing Aike Pharmaceutical Technology Co., Ltd.) 20Kg, 2,4,6-tris(dimethylamino Methyl) phenol 0.5Kg, glycidyl neodecanoate 5Kg, stir well, get B component;

[0034] Take 9Kg A component and 2Kg B component and mix evenly for testing, the results are shown in Table 1.

Embodiment 2

[0036] Preparation of component A: liquid epoxy resin (Jiangsu Sanmu Group Co., Ltd. SM828) 50Kg, monoglyceride stearate 1.5Kg, trimethylolpropane triglycidyl ether 20Kg, polyamide wax 1.5Kg, zinc powder 80Kg Disperse until the fineness is below 50 microns, heat to 70°C, keep warm for 30 minutes, and finally put in 10Kg of 2,4,6-tris(dimethylaminomethyl)phenol, 1.5Kg of benzimidazole methyl carbamate, polydimethyl 0.5Kg of base siloxane is uniformly dispersed to obtain component A;

[0037] Preparation of component B: Add cardanol formal diethylenetriamine 60Kg, benzophenone imine (Nanjing Aike Pharmaceutical Technology Co., Ltd.) 60Kg, 2,4,6-tris(dimethylamino Methyl) phenol 1.5Kg, glycidyl neodecanoate 20Kg, stir well, get B component;

[0038] Take 11Kg A component and 2Kg B component and mix evenly for testing, the results are shown in Table 1.

Embodiment 3

[0040] Preparation of A component: liquid epoxy resin (Jiangsu Sanmu Group Co., Ltd. SM618) 35Kg, vinyl bishard amide 1Kg, trimethylolpropane triglycidyl ether 15Kg, polyamide wax 1Kg, flaky zinc powder ( The particle size is 400 mesh) 70Kg dispersed until the fineness is below 50 microns, heated to 60°C, kept for 60 minutes, and finally put in 2,4,6-tris(dimethylaminomethyl)phenol 5Kg, benzimidazole carbamic acid methyl 1Kg of ester and 0.35Kg of BYK-066N are uniformly dispersed to obtain component A;

[0041] Preparation of component B: Add cardanol formal diethylenetriamine 30Kg, benzophenone imine (Nanjing Aike Pharmaceutical Technology Co., Ltd.) 40Kg, 2,4,6-tris(dimethylamino Methyl) phenol 1Kg, cresyl glycidyl ether 16Kg, stir well, get B component;

[0042] Take 10Kg A component and 2Kg B component and mix evenly for testing, the results are shown in Table 1.

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Abstract

The invention relates to a solvent-free type epoxy zinc rich primer and a preparation method of the solvent-free type epoxy zinc rich primer. The primer comprises an ingredient A and an ingredient B, wherein the ingredient A mainly comprises the following ingredients in parts by weight: 20 to 50 parts of liquid epoxy resin, 5 to 20 parts of reactive diluents, 60 to 80 parts of zinc powder and 4 to 10 parts of adhesion promoters, the ingredient B comprises the following ingredients in parts by weight: 20 to 60 parts of cashew modified amine, 20 to 60 parts of ketimine, 0.5 to 1.5 parts of adhesion promoters and 5 to 20 parts of reactive diluents, and the weight ratio of the ingredient A to the ingredient B is (4.5-5.5):1. The solvent-free type epoxy zinc rich primer disclosed by the invention has no volatile solvents and is economic and environmental-friendly.

Description

technical field [0001] The invention relates to the field of chemical coating, in particular to a solvent-free epoxy zinc-rich primer. Background technique [0002] Epoxy zinc-rich primer is a special coating product composed of epoxy resin, zinc powder, anti-sagging agent, filler, auxiliary agent, active diluent, etc. The paint dries quickly naturally, has strong adhesion, and has Strong corrosion resistance effect. It is suitable as a matching primer for heavy anti-corrosion coatings, used in mines, derricks, shipbuilding, port terminals, steel structures, bridges, iron towers, oil pipelines, chemical and metallurgical steel structures and chemical equipment. [0003] Traditional epoxy zinc-rich primers are mostly solvent-based paints, which contain a large amount of organic solvents, which are harmful to the health of construction workers and pollute the environment. With the continuous development of technology, foreign countries have begun to develop water-based coati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D7/12
Inventor 王臻孙子良阮万洪
Owner JIANGSU DAZHONG NEW MATERIAL TECH CO LTD
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