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Organosilicon-modified alkyd resin paint composite and preparation method thereof

An alkyd resin and organosilicon technology, used in anti-corrosion coatings, coatings, etc., can solve problems such as single performance and inability to meet performance requirements, and achieve the effects of short drying time, good anti-corrosion and decorative effects, and convenient construction.

Inactive Publication Date: 2011-09-07
CHINA ELECTRIC POWER RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The existing anti-corrosion coatings applied to steel structures have the disadvantage of single performance, and can no longer meet the increasingly stringent performance requirements in complex atmospheric environments

Method used

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  • Organosilicon-modified alkyd resin paint composite and preparation method thereof
  • Organosilicon-modified alkyd resin paint composite and preparation method thereof
  • Organosilicon-modified alkyd resin paint composite and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041]The organosilicon-modified alkyd resin coating composition of the present embodiment, the coating composition is by weight:

[0042] 60 parts of silicone modified alkyd resin, 14 parts of solvent, 20 parts of pigment and filler, 0.5 part of leveling agent, 5.0 parts of wetting and dispersing agent, 1.0 part of drier, 0.2 part of anti-skinning agent. Wherein the organosilicon content of the organosilicon modified alkyd resin is 20%.

[0043] Under normal temperature and pressure, add solvent, pigment and filler, silicone modified alkyd resin, and wetting and dispersing agent into the high-speed mixer according to the proportion, and the stirring time is 5-15 minutes to obtain a uniformly mixed slurry; Put the slurry into a grinding and dispersing machine with circulating water cooling, grind and disperse for 0.5-1.5h, and obtain a slurry with a grinding fineness of ≤50μm; put the ground slurry in a high-speed mixer, and add leveling Agent, anti-skinning agent, drier, dis...

Embodiment 2

[0046] The organosilicon-modified alkyd resin coating composition of the present embodiment, this coating composition is by mass ratio:

[0047] 50 parts of silicone modified alkyd resin, 18 parts of solvent, 30 parts of pigment and filler, 0.5 part of leveling agent, 1-3 parts of wetting and dispersing agent, 1 part of drier, 0.2 parts of anti-skinning agent. Wherein the organosilicon content of the organosilicon modified alkyd resin is 50%.

[0048] The preparation method of the paint composition is the same as in Example 1, and the paint obtained according to this proportion is used as sample 2, and the performance test results are shown in Table 1.

Embodiment 3

[0050] The organosilicon modified alkyd resin coating composition of the present embodiment, this coating composition is by weight:

[0051] 50 parts of silicone modified alkyd resin, 31 parts of solvent, 40 parts of pigment and filler, 0.25 part of leveling agent, 2 parts of wetting and dispersing agent, 2 parts of drier, 0.1 part of anti-skinning agent. Wherein the organosilicon content of the organosilicon modified alkyd resin is 30%.

[0052] The preparation method of the paint composition is the same as in Example 1, and the paint obtained according to this proportion is used as sample 3, and the performance test results are shown in Table 1.

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Abstract

The invention discloses an organosilicon-modified alkyd resin paint composite and a preparation method thereof. The paint comprises the following components in parts by weight: 20-60 parts of organosilicon-modified alkyd resin, 15-35 parts of solvent, 15-40 parts of pigment and filler, 0.1-1 part of leveling agent, 1-5 parts of wetting dispersant, 0.5-2 parts of drier and 0.2-0.35 part of anti-skinning agent. The preparation method of the paint composite comprises the following steps: stirring, grinding and dispersing the solvent, the pigment and filler, the organosilicon-modified alkyd resin and the wetting dispersant; adding the leveling agent, the anti-skinning agent and the drier in abrasive; and dispersing at a low speed to obtain the paint composite. The paint composite has good comprehensive properties such as good adhesion, salt fog resistance, saline resistance and aging resistance, and is suitable for the anticorrosion of a steel structure.

Description

technical field [0001] The invention belongs to the field of coatings, and relates to a steel structure anticorrosion coating composition and a preparation method thereof, in particular to an organosilicon-modified alkyd resin coating composition and a preparation method thereof. Background technique [0002] The corrosion problem of transmission and distribution iron towers as carbon steel structural parts is very serious, especially in coastal areas, heavy industrial areas, acid rain and humid environments, the corrosion of iron towers is more prominent. At present, hot-dip galvanizing and paint coating are usually used at home and abroad. Install protective technology to protect the iron tower. However, practice has shown that for tower protection in heavy industrial areas, coastal areas, and humid acid rain areas, it is difficult to achieve long-term protection by only using hot-dip galvanizing or paint coating. Therefore, people have proposed a double anti-corrosion sy...

Claims

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Application Information

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IPC IPC(8): C09D187/00C09D5/08C08G81/00
Inventor 陈云耿刚强陈新刘胜林宋娜
Owner CHINA ELECTRIC POWER RES INST
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