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Composition with rust paint containing cyano functional molecule compound and preparation method of composition

A technology of functional molecules and rust-bearing coatings, applied in anti-corrosion coatings, polyester coatings, coatings, etc., can solve problems such as unconsciousness, achieve low cost, simple reaction, and convenient production

Inactive Publication Date: 2015-03-25
JIANGSU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The history of researchers manipulating the properties of solid surfaces by modifying them with organic thin films dates back to the early days, but those results were achieved unconsciously

Method used

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  • Composition with rust paint containing cyano functional molecule compound and preparation method of composition
  • Composition with rust paint containing cyano functional molecule compound and preparation method of composition
  • Composition with rust paint containing cyano functional molecule compound and preparation method of composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A kind of composition that contains the band rust coating of cyano functional molecular compound, it comprises following components by weight percentage and is made:

[0024]

[0025] Wherein, the described functional molecule has the following structure:

[0026]

[0027] Above-mentioned compound can realize by following reaction,

[0028]

[0029] The organotin is dibutyltin dilaurate.

[0030] The specific preparation method is as follows: weigh the above-mentioned technical formula composition according to the proportion, stir evenly, then grind on a grinder until the particle size reaches 6 μm, and finally pack it to obtain a rusty coating containing a cyano group compound. Composition, according to need to add 13% water for construction.

[0031] The effect of the embodiment: the salt spray resistance time is 300h, the coating adhesion is first grade after the salt spray test, and the impact resistance is 45cm.

Embodiment 2

[0033] A kind of composition that contains the band rust coating of cyano functional molecular compound, it comprises following components by weight percentage and is made:

[0034]

[0035] Wherein, the described functional molecule has the following structure:

[0036]

[0037] Above-mentioned compound can realize by following reaction:

[0038]

[0039] The organotin is dibutyltin dilaurate.

[0040] The specific preparation method is as follows: weigh the above-mentioned technical formula composition according to the proportion, stir it evenly, and then grind it on a grinder until the particle size reaches 10 μm, and finally pack it to obtain a rusty coating containing a cyano group compound. Composition, according to need to add 15% water for construction.

[0041] The effect of the embodiment: the salt spray resistance time is 320h, the coating adhesion is first grade after the salt spray test, and the impact resistance is 45cm.

Embodiment 3

[0043] A kind of composition that contains the band rust coating of cyano functional molecular compound, it comprises following components by weight percentage and is made:

[0044]

[0045]

[0046] Wherein, the described functional molecule has the following structure:

[0047]

[0048] Above-mentioned compound can realize by following reaction:

[0049]

[0050] The organotin is stannous octoate.

[0051] The specific preparation method is: weigh the above-mentioned technical formula composition according to the proportion, stir it evenly, and then grind it on a grinder until the particle size reaches 18 μm, and finally pack it to obtain a rusty coating containing a cyano group compound. Composition, according to need to add 18% water for construction.

[0052] The effect of the embodiment: the salt spray resistance time is 330h, the coating adhesion is first grade after the salt spray test, and the impact resistance is 45cm.

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Abstract

The invention discloses a composition with a rust paint containing a cyano functional molecule compound and a preparation method of the composition. The composition comprises the following components in percentage by mass: 20%-50% of water-soluble alkyd resin, 3%-20% of functional molecules, 0.5%-3% of tin, 20%-50% of barium sulfate, 0.5%-3% of Tween 80, 1%-5% of fumed silica and 5%-10% of ethylene glycol monobutyl ether. The structures of the functional molecules are as shown in the specification, wherein R is alkyl containing 1-18 carbon atoms; X is -COOH, -OH, -NH2, -F or -Cl; and M is alkyl with -CH3, -COOH, -OH, -NH2 or an epoxy group. The composition has the advantages that the functional molecules can be flexibly designed according to the selected resin; the composition is simple in reaction, and free of a catalyst; the required compound can be obtained by changing the synthetic temperature according to the difference of functional groups connected in the molecular structure; and the performance is not affected by a reaction by-product.

Description

technical field [0001] The invention belongs to the field of coatings, and relates to an anti-corrosion coating directly coated on a rusty base material such as a rust layer or on an old paint. Background technique [0002] When the paint is directly applied to the base material, the loose rust has little binding force with the base material, and its corrosion resistance to metal is its biggest problem. To overcome this problem, it is difficult to rely solely on the modified resin, because the resin has a high viscosity and a high surface tension, so it is difficult to diffuse into the rust layer, interact with the harmful rust, and transform it into a harmless rust, which has a strong bonding force with the substrate. , and the resin adheres strongly to the surface. [0003] In 1959, physicist Feynman creatively proposed the idea of ​​realizing functional systems in a bottom-up manner with atoms and molecules as the basic units. In essence, the coating on the rust surface...

Claims

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Application Information

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IPC IPC(8): C09D167/08C09D7/12C09D5/08
CPCC09D5/08C09D7/63C09D167/08C08L71/02C08K13/02C08K2003/3045C08K3/36C08K5/315
Inventor 高延敏王玉
Owner JIANGSU UNIV OF SCI & TECH
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