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Fluorocarbon double-component coating with high weather resistance

A two-component, high weather resistance technology, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of poor construction performance, inability to meet the needs of anti-corrosion, poor weather resistance, etc., and achieve the effect of easy construction

Inactive Publication Date: 2013-06-19
CHONGQING SANXIA PAINTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Generally speaking, the fluorocarbon coatings of the prior art have poor weather resistance and cannot meet the anticorrosion needs of bridges, marine structures, power facilities, ships (above the waterline), chemical equipment and other fields, and the construction performance is also poor

Method used

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  • Fluorocarbon double-component coating with high weather resistance

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Embodiment 1

[0045] The substance and weight percentage of A component are as follows:

[0046] Component A:

[0047] Polyisocyanate: 60

[0048] Butyl acetate: 20

[0049] Xylene: 20

[0050] Component B:

[0051] Fluorocarbon resin: 60

[0052] Titanium dioxide 30

[0053] Anti-settling agent: 1

[0054] Dispersant: 0.5

[0055] Leveling agent: 0.5

[0056] Defoamer: 0.5

[0057] UV absorber: 2.5

[0058] Methyl isobutyl ketone: 1

[0059] Butyl acetate: 2

[0060] Xylene: 2;

[0061] 1. Mix 60Kg of polyisocyanate, 20Kg of butyl acetate, and 20Kg of xylene in component A. After passing the inspection, filter and pack.

[0062] 2. In component B, 60Kg of fluorocarbon resin, 30Kg of titanium dioxide, 1Kg of anti-settling agent, 0.5Kg of dispersant, 0.5Kg of defoamer, 1Kg of methyl isobutyl ketone, 2Kg of butyl acetate, and 2Kg of xylene , mix evenly, use a sand mill to disperse until the fineness is ≤30μm, add 0.5Kg of leveling agent, 2.5Kg of ultraviolet light absorber, mix...

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Abstract

The invention discloses a fluorocarbon double-component coating with high weather resistance. The fluorocarbon double-component coating consists of two components A and B, wherein the component A contains 40-60% of polyisocyanate and 40-60% of solvent; the component B contains 50-60% of fluorocarbon resin, 0.5-5% of assistant, 5-20% of solvent and 20-30% of pigment; and the weight ratio of the component A to the component B is (1-3):(4-10). The fluorocarbon (double-component) coating is high in weather resistance and the fluorine content is higher than or equal to 24%; the high-performance coating has super weather resistance and anticorrosion and is easy to clean and construct; and the coating is applicable to surface coating of large-sized steel structure anticorrosion engineering such as heavy-anticorrosion matching system bridges, marine constructions, power facilities, ships (over waterline) and chemical equipment.

Description

technical field [0001] The invention relates to a coating in the chemical industry, in particular to a highly weather-resistant fluorocarbon two-component coating with super weather resistance and corrosion resistance. Background technique [0002] In recent years, with the rapid development of the national economy and the continuous growth of the iron and steel industry, the scale of my country's infrastructure construction has expanded, and the protective coating of many large government projects, key projects, and large steel bridges has become an important topic in the field of anti-corrosion engineering. . Studies have shown that fluorocarbon coatings have outstanding weather resistance, good shielding effects on chloride ions, oxygen, and water molecules, and high tolerance to acidic industrial atmospheric environments. They are suitable for long-life anti-corrosion topcoats for steel structures exposed to the atmosphere , used in bridges, marine structures, power fac...

Claims

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Application Information

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IPC IPC(8): C09D127/12C09D7/12C09D5/08
Inventor 余小红魏雪峰秦歆汤青松
Owner CHONGQING SANXIA PAINTS CO LTD
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