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Coating for anti-camouflage dark green coils and preparation method and application thereof

A coil coating, dark green technology, applied in polyester coatings, reflection/signal coatings, coatings, etc., can solve the problems of high solvent volatilization, large environmental pollution, and no infrared camouflage coatings, etc., to reduce pollution, Convenience in construction, beneficial to the effect of circular economy

Inactive Publication Date: 2010-06-16
ZHENHUA COATING MFG FACTORY OF SHANGHAICOATINGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, infrared camouflage coatings are applied to substrates by spraying process, and there are no related reports on assembly line coating and fast curing infrared camouflage coatings.
Most of the resins used in sprayed infrared camouflage are perchlorethylene and acrylic, and the solvent volatilizes a lot during film formation, which causes great pollution to the environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Weigh 350 grams of polyester resin, 5 grams of titanium dioxide powder, 25 grams of iron chromium oxide powder, 55 grams of lead chrome yellow powder, 190 grams of chromium oxide green powder, 30 grams of butyl acetate and 20 grams of heavy aromatic solvent (C9-C10) , stirred evenly, and then ground to a fineness of less than 15 μm to form a color paste for later use. The remaining 170 grams of polyester, 65 grams of highly methylated melamine resin, 5 grams of partially methylated melamine resin, 0.2 gram of dinonyl naphthalene disulfonic acid, 0.2 gram of dodecylbenzenesulfonic acid, Mix 30 grams of propylene glycol methyl ether acetate, 34.6 grams of butyl acetate and 20 grams of dibasic acid ester, and slowly add the ground color paste into the above-mentioned premixed container under stirring to obtain a coil coating solution , take a sample and paint it on the surface of the metal sample, and then quickly dry it to form a film. After the performance test (see Tabl...

Embodiment 2

[0046] Take by weighing 350 grams of polyester resin, 30 grams of iron chromium oxide powder, 40 grams of lead chrome yellow powder, 205 grams of chromium oxide green powder, 25 grams of butyl acetate and 25 grams of heavy aromatic hydrocarbon solvent (C9-C10), stir evenly, then Grind to a fineness of 15 μm or less to form a color paste for later use. The remaining 170 grams of polyester, 70 grams of highly methyl etherified melamine resin, 0.1 grams of dinonylnaphthalene disulfonic acid, 0.1 grams of toluenesulfonic acid, 0.1 grams of dodecanebenzenesulfonic acid, 40 grams of propylene glycol Methyl ether acetate, 24.7 grams of butyl acetate and 20 grams of dibasic acid ester are mixed evenly, and the ground color paste is slowly added into the above-mentioned premixed container under stirring to obtain a coil coating solution, which is sampled at After the surface of the metal sample is painted, it is quickly dried to form a film. After the performance test (see Table 3 for ...

Embodiment 3

[0051] Take by weighing 350 grams of polyester resin, 25 grams of iron chromium oxide powder, 50 grams of lead chrome yellow powder, 200 grams of chromium oxide green powder, 30 grams of butyl acetate, 10 grams of ethylene glycol butyl ether and 10 grams of heavy aromatic solvent (C9 -C10), stir evenly, and then grind to a fineness of less than 15 μm to form a color paste for later use. The remaining 180 grams of polyester, 65 grams of highly methylated melamine resin, 5 grams of partially methylated melamine resin, 0.1 gram of dinonyl naphthalene disulfonic acid, 0.2 gram of dodecylbenzenesulfonic acid, Mix 20 grams of propylene glycol methyl ether acetate, 34.7 grams of butyl acetate and 20 grams of dibasic acid ester, and slowly add the ground color paste into the above-mentioned premixed container under stirring to obtain a coil coating solution , take a sample and paint it on the surface of the metal sample, and then quickly dry it to form a film. After the performance te...

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PUM

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Abstract

The invention relates to a coating for anti-camouflage dark green coils, comprising the following components in percentage by weight: 45-60% of polyester resins, 6-8% of amino resins, 20-30% of special pigments, 0.1-0.5% of catalyst and 10-25% of mixed solvent, wherein, the special pigments include titanium dioxide powder, a yellow pigment, a green pigment and a black pigment. The invention also provides a preparation method and application of the coating. The polyester resins and the amino resins are crosslinked and the pigments with the infrared camouflage function are used in a matched manner to meet the requirements of outdoor camouflage for the functions of colors. The coating is coated through production line, is convenient for construction after coating, can be used for reprocessing of the steel plates and reduce the pollution caused by solvent volatilization to the environment during film forming and is beneficial to the national recycling economy.

Description

【Technical field】 [0001] The invention relates to a coating, in particular to a dark green coil coating for anti-camouflage and its preparation method and application. 【Background technique】 [0002] Camouflage is to minimize the possibility of detecting or identifying military equipment, equipment and facilities by concealing the truth and showing the false. Due to the advancement of modern detection technology, especially infrared aerial photography technology, the requirements for camouflage coatings for important facilities and special equipment have been greatly improved. The original camouflage coatings limited to the range of visible light are far from meeting the needs of development. The new anti-infrared camouflage coatings can effectively resist visible light and near-infrared reconnaissance and have been widely used. Ideal camouflage paint for camouflage. [0003] Infrared rays are divided into four categories: near-infrared, mid-infrared, far-infrared and extr...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D5/33
Inventor 俞剑峰朱梅芳杨小青胡丕山何建文
Owner ZHENHUA COATING MFG FACTORY OF SHANGHAICOATINGS
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