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High-performance water-based two-component epoxy primer and preparation method thereof

A water-based two-component, epoxy primer technology, which is applied in the direction of epoxy resin coatings, coatings, anti-corrosion coatings, etc., can solve the problem that the corrosion resistance is not as good as that of solvent-based coatings, optimize the production process, reduce product costs, The effect of improving stability

Inactive Publication Date: 2020-01-07
郑州一安水性高分子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the hydrophilic group contained in water-based epoxy coatings, its corrosion resistance is often not as good as that of solvent-based coatings.

Method used

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  • High-performance water-based two-component epoxy primer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: A kind of high-performance waterborne two-component epoxy primer, is made of A component and B component, and A component and B component mass ratio are 5:1,

[0028] Component A includes the following components in grams by weight: 40g of water-based epoxy resin emulsion (E-POS1011), 1g of surface additive (TEGO BYK), 15g of film-forming additive (DOW DPNB), anti-rust filler (SNCZ PZ04 ) 15g,

[0029] Anti-settling agent (HDK-H30) 2g, adhesion promoter (BYK5413) 1g, thickener (PUR60) 1g, pigment (R706 MA-100) 15g, deionized water 10g;

[0030] Component B includes the following components in grams by weight: Aliphatic amine curing agent (Q-RIT1701) 64 g,

[0031] Anti-flash rust additive (179) 5 g, deionized water 3 l.

[0032] A kind of preparation method of above-mentioned high-performance waterborne two-component epoxy primer, comprises the steps:

[0033] The first step: Group A preparation:

[0034] Step 1) In the dispersing equipment, ensure tha...

Embodiment 2

[0041] Embodiment 2: A high-performance water-based two-component epoxy primer, the mass ratio of component A and component B is 5:1.

[0042] Component A includes the following components in grams by weight: water-based epoxy resin emulsion (EXA8420) 50g, surface additive (TEGO BYK ) 1g, film-forming additive (DOW DPNB) 10g, anti-rust filler (SNCZ PZ04) 10g , anti-settling agent (AQE600) 2g, adhesion promoter (BYK5413) 1g, thickener (105A) 1g, pigment (190) 15g, deionized water 10g.

[0043] Component B includes the following components in grams by weight: Aliphatic amine curing agent (WN-720Z) 70 g,

[0044] Anti-flash rust additive (X-150) 5 g, deionized water 25 g.

[0045] Preparation method is with embodiment 1.

Embodiment 3

[0046] Embodiment 3: A kind of high-performance water-based two-component epoxy primer, the mass ratio of A component and B component is 5:1.

[0047] Component A includes the following components in grams by weight: water-based epoxy resin emulsion (AR555) 55g, surface additive (TEGO BYK ) 1g, film-forming additive (DOW DPNB) 5g, anti-rust filler (NUBIROX106) 15g, Anti-settling agent (HDK-H30) 2g, adhesion promoter (HMB-F) 1g, thickener (WT105A) 1g, pigment (R706 MA-100) 10g, deionized water 10g.

[0048] Component B includes the following components in grams by weight: Aliphatic amine curing agent (BANCO901) 65 g,

[0049] Anti-flash rust additive (X-150) 5 g, deionized water 30 g.

[0050] The preparation method is the same as in Example 1.

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Abstract

The invention relates to a water-based high-performance water-based two-component epoxy primer with high salt spray resistance, excellent water resistance and excellent chemical resistance and a preparation method thereof. The primer is composed of a component A and a component B, a mass ratio of the component A to the component B is 3-5: 1, wherein the component A comprises the following components in parts by weight: 30-70 parts of water-borne epoxy resin emulsion, 0.1-5 parts of a surface additive, 1-15 parts of a coalescing agent, 5-15 parts of an antirust filler, 0.1-2 parts of an anti-settling agent, 0.1-1 part of an adhesion promoter, 0.1-1 part of a thickening agent, 5-30 parts of a pigment and 5-10 parts of deionized water; and the component B comprises the following components inparts by weight: 40-70 parts of an aliphatic amine curing agent, 1-5 parts of an anti-flash-rust auxiliary agent and 20-40 parts of deionized water. According to the invention, the emulsion, the antirust pigment and the auxiliary agent are enhanced, and the stability of a finished product and the resistance of a paint film are greatly improved by optimizing a manufacturing process.

Description

technical field [0001] The invention belongs to a water-based industrial coating, in particular to a high-performance water-based two-component epoxy primer with excellent water-based high salt spray resistance, water resistance and chemical resistance and a preparation method thereof. Background technique [0002] Traditional solvent-based coatings will release a large amount of volatile organic compounds during the film-forming process, causing pollution to the environment. Water-based industrial coating is an environmentally friendly industrial paint. Its low VOC emission reduces air pollution, reduces the risk of flammability and explosion during transportation and storage, and improves construction safety. Compared with solvent-based paints, water-based paints have great advantages in terms of energy saving and environmental protection. However, the current water-based epoxy primer still has technical defects, such as poor water resistance, salt spray resistance, acid ...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/08
CPCC08K2003/3045C08K2003/327C08K2003/328C09D5/084C09D163/00C08K3/32C08K3/24C08K3/30
Inventor 陈帮立时鹏翔赵军圣王震赵楠
Owner 郑州一安水性高分子材料有限公司
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