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Double-component quick-dry wear-resisting waterborne epoxy coating and preparation method thereof

A water-based epoxy coating, two-component technology, applied in the field of coatings, can solve the problems of slow drying speed, poor substrate adhesion, low hardness, etc., and achieve the effect of fast drying speed, good adhesion and high hardness

Inactive Publication Date: 2018-11-23
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems of the existing two-component water-based epoxy coatings, such as slow drying speed, low hardness, and poor adhesion to substrates, the present invention provides a two-component fast-drying wear-resistant water-based epoxy coating and a preparation method thereof

Method used

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  • Double-component quick-dry wear-resisting waterborne epoxy coating and preparation method thereof
  • Double-component quick-dry wear-resisting waterborne epoxy coating and preparation method thereof
  • Double-component quick-dry wear-resisting waterborne epoxy coating and preparation method thereof

Examples

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preparation example Construction

[0038] In one embodiment, the preparation method includes the following steps:

[0039] (1) Weigh each component according to the raw material ratio of the two-component quick-drying and wear-resistant waterborne epoxy coating;

[0040] (2) Mix and grind the 55-65wt% deionized water, defoamer, dispersant, 20wt% environmentally friendly cosolvent, pigments and fillers, and anti-settling agent in the A component to obtain the first Mixed material

[0041] (3) Mixing the remaining deionized water, remaining environmentally friendly cosolvent, and water-based epoxy emulsion in component A to obtain a second mixture;

[0042] (4) After mixing the first mixture material, the second mixture material, the substrate wetting agent, and the anti-rust auxiliary agent, add the thickener and stir to obtain component A;

[0043] (5) Mixing the amine curing agent and deionized water in the B component to obtain the B component;

[0044] (6) Mix the components A and B to obtain a two-component quick-dry...

Embodiment 1-5

[0051] The mass fractions of the raw material components of the two-component quick-drying and wear-resistant waterborne epoxy coating in the examples are shown in Table 1:

[0052]

Embodiment 1-3

[0054] The preparation method of the two-component quick-drying wear-resistant waterborne epoxy coating in Examples 1-3 includes the following steps:

[0055] (1) Weigh each component according to the raw material ratio of the two-component quick-drying and wear-resistant waterborne epoxy coating;

[0056] (2) Mix 60wt% deionized water, defoamer, dispersant, 20wt% propylene glycol butyl ether, pigments and anti-settling agents in the A component at 600r / min for 25min, grinding treatment To the fineness ≤20μm, the first mixture material is obtained;

[0057] (3) Mix the remaining deionized water, remaining propylene glycol butyl ether, and water-based epoxy emulsion in component A at 600r / min for 10 minutes to obtain a second mixture;

[0058] (4) After mixing the first mixture material, the second mixture material, the substrate wetting agent, and the anti-rust auxiliary agent at 500r / min for 15 minutes, add the thickener and stir to obtain component A;

[0059] (5) Mixing the amine cu...

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Abstract

The invention relates to the technical field of coating and in particular discloses double-component quick-dry wear-resisting waterborne epoxy coating and a preparation method thereof. The double-component quick-dry wear-resisting waterborne epoxy coating is prepared from a component A and a component B, wherein the mass ratio of the component A to the component B is (5 to 7) to 1; the component Ais prepared from the following raw material components in percentage by mass: 45 to 55 percent of waterborne epoxy emulsion, 0 to 0.5 percent of an anti-rust auxiliary agent, 2 to 3 percent of a dispersant, 0.3 to 0.4 percent of a de-foaming agent, 4 to 6 percent of an environment-friendly co-solvent, 30 to 40 percent of pigment and filler, 0.5 to 1 percent of an anti-sedimentation agent, 0.5 to1 percent of a base material wetting agent, 5 to 13 percent of de-ionized water and 1 to 2 percent of a thickening agent; the component B is prepared from the following raw material components in percentage by mass: 65 to 75 percent of an amine curing agent and 25 to 35 percent of de-ionized water. The double-component quick-dry wear-resisting waterborne epoxy coating provided by the invention hasthe characteristics of rapid drying speed, good adhesive force, high rigidity, excellent wear resistance and anticorrosion performance.

Description

Technical field [0001] The invention relates to the technical field of coatings, in particular to a two-component quick-drying wear-resistant water-based epoxy coating and a preparation method thereof. Background technique [0002] Traditional solvent-based two-component epoxy coatings have excellent properties such as low film forming temperature, strong adhesion, good wear resistance, and high hardness. They are widely used as primers for industrial protection, wood furniture and automobiles. However, with the continuous implementation and improvement of environmental protection policies and the continuous enhancement and improvement of consumers' environmental awareness, traditional oil-based paints are gradually being replaced by environmentally friendly paints. Among them, environmentally friendly paints represented by water-based paints are flourishing in modern green paints. important parts of. Water-based paint is recognized by consumers for its low VOC, energy-saving, n...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/08C09D7/61C09D7/63
CPCC09D7/63C09D163/00C09D5/08C09D7/61C08K2003/327C08K3/32C08K3/34
Inventor 马春福周泽钱胡中源董立志王洁
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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