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Quick-drying type epoxy primer and preparation method thereof

An epoxy primer, fast-drying technology, used in epoxy resin coatings, coatings, anti-corrosion coatings, etc., can solve the problems of unfavorable fast-paced consumer demand, long construction operation period, slow drying speed, etc., and achieve excellent results. The film is quick-drying, has a long construction time, and highlights the effect of moisture resistance.

Inactive Publication Date: 2017-02-22
江苏足迹涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing commercially available anti-rust primers have good versatility, but the general drying speed is slow, especially when the curing is slow below 0°C, and the construction period is long, which is not conducive to today's fast-paced consumer demand

Method used

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  • Quick-drying type epoxy primer and preparation method thereof
  • Quick-drying type epoxy primer and preparation method thereof
  • Quick-drying type epoxy primer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The weight components of the epoxy primer of the present embodiment are as follows: the coating part includes 35 parts of epoxy resin, 1 part of PVB resin, 0.5 part of leveling agent, 4 parts of anti-settling agent, 0.3 part of dispersant, 50 parts of pigment and filler; The agent part includes 20 parts of curing agent, 20 parts of organic solvent, and 1 part of drier.

[0037] Its preparation method is:

[0038] (1) Add the alcohol solvent into a clean container, add 1 part of PVB resin while stirring, mix and stir for 15-20 minutes until completely dissolved, and make a semi-finished product for later use;

[0039] (2) add 35 parts of epoxy resins in container, stir at low speed;

[0040] (3) Add 0.5 parts of leveling agent while stirring; 4 parts of anti-sedimentation agent; 0.3 parts of dispersant; stir evenly under low shear force;

[0041] (4) Add 50 parts of pigments and fillers while stirring, and slowly add them into the container while stirring under low she...

Embodiment 2

[0046] The weight components of the epoxy primer of the present embodiment are as follows: the coating part includes 35 parts of epoxy resin, 2 parts of PVB resin, 0.5 part of leveling agent, 4 parts of anti-settling agent, 0.3 part of dispersant, 50 parts of pigment and filler; The agent part includes 20 parts of curing agent, 20 parts of organic solvent and 2 parts of drier.

[0047] Its preparation method is:

[0048] (1) Add the alcohol solvent into a clean container, add 2 parts of PVB resin while stirring, mix and stir for 15-20 minutes until completely dissolved, and make a semi-finished product for later use;

[0049] (2) add 35 parts of epoxy resins in container, stir at low speed;

[0050] (3) Add 0.5 parts of leveling agent while stirring; 4 parts of anti-sedimentation agent; 0.3 parts of dispersant; stir evenly under low shear force;

[0051] (4) Add 50 parts of pigments and fillers while stirring, and slowly add them into the container while stirring under low s...

Embodiment 3

[0056] The weight components of the epoxy primer of the present embodiment are as follows: the coating part includes 35 parts of epoxy resin, 3 parts of PVB resin, 0.5 part of leveling agent, 4 parts of anti-settling agent, 0.3 part of dispersant, 50 parts of pigment and filler; The agent part includes 20 parts of curing agent, 20 parts of organic solvent and 3 parts of drier.

[0057] Its preparation method is:

[0058] (1) Add the alcohol solvent into a clean container, add 3 parts of PVB resin while stirring, mix and stir for 15-20 minutes until completely dissolved, and make a semi-finished product for later use;

[0059] (2) add 35 parts of epoxy resins in container, stir at low speed;

[0060] (3) Add 0.5 parts of leveling agent while stirring; 4 parts of anti-sedimentation agent; 0.3 parts of dispersant; stir evenly under low shear force;

[0061] (4) Add 50 parts of pigments and fillers while stirring, and slowly add them into the container while stirring under low s...

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Abstract

The invention discloses a quick-drying type epoxy primer and a preparation method thereof. The quick-drying type epoxy primer comprises the following components in parts by weight: 30-40 parts of epoxy resin, 0.2-1 part of leveling agent, 4-6 parts of anti-settling agent, 0.1-0.5 part of dispersant, 45-55 parts of pigment and filler, and 1-3 parts of drier. According to the technical scheme of the invention, all the performance indexes of the paint film of the primer completely reach or even exceed the indexes of commercial epoxy primers. At the same time, the quick-drying type epoxy primer is strong in versatility, and the paint film of the primer is quick to dry. Therefore, the coating period is greatly shortened.

Description

technical field [0001] The invention belongs to a general fast-drying epoxy primer, in particular to a solvent-based epoxy primer with an epoxy amine curing system and a preparation method thereof. Background technique [0002] Today's anti-corrosion coatings have become the main force of my country's coating industry, and anti-corrosion coatings, especially heavy anti-corrosion coatings, are widely used in China. Its main application areas include emerging marine engineering, modern transportation, energy industry, large industrial enterprises and municipal facilities. These application areas have very strict requirements on anti-corrosion coatings, and the foundation is particularly important to achieve good anti-corrosion and protection effects. In order for the anti-corrosion coating to play its full role, the primer and intermediate layer selected are particularly important. The existing commercially available anti-rust primers have good versatility, but generally hav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D129/14C09D5/08C09D7/12C09D7/02C09D7/45
CPCC09D5/08C09D5/084C09D7/45C09D7/61C09D7/63C09D163/00C08L29/14C08K13/02C08K3/36C08K3/346
Inventor 薛芳刘书巧徐海兵张威陈荣雯
Owner 江苏足迹涂料有限公司
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