Polysiloxane rust-proof liquid, preparation method and application thereof

A polysiloxane and anti-rust liquid technology, applied in anti-corrosion coatings, coatings and other directions, can solve the problems of high economic cost, environmental pollution, production of anti-rust agent, complex coating process, etc., and achieve low cost and simple operation. Effect

Inactive Publication Date: 2010-04-28
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, a variety of antirust agents have appeared on the market, including antirust liquid, antirust oil, rust removal and antirust liquid, etc. These products have certain antirust effects on some metal products, but these antirust agents on the market Al

Method used

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  • Polysiloxane rust-proof liquid, preparation method and application thereof
  • Polysiloxane rust-proof liquid, preparation method and application thereof
  • Polysiloxane rust-proof liquid, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Put 15g of simethicone oil (10mPa·S) in a container, add 0.1g of ethyl orthosilicate, 0.1g of dibutyltin dilaurate and 84.8g of odorless kerosene, mix well, and adjust the pH value to 6 with sodium hydroxide , to obtain polysiloxane antirust liquid. The ratio of materials is shown in Table 1.

Embodiment 2

[0028] Put 10g of high hydrogen-containing silicone oil in a container, add 1g of tetraethyl orthosilicate and 89g of odorless kerosene, mix and stir evenly, adjust the pH value to 8 with potassium hydroxide, and obtain polysiloxane antirust liquid. The ratio of materials is shown in Table 1.

Embodiment 3

[0030] Put 40g of amino silicone oil in a container, add 5g of dibutyltin dilaurate and 55g of petroleum ether, mix and stir evenly, adjust the pH value to 6.5 with calcium hydroxide, and obtain polysiloxane antirust liquid. The ratio of materials is shown in Table 1.

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PUM

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Abstract

The invention discloses a polysiloxane rust-proof liquid, a preparation method and the application thereof. The polysiloxane rust-proof liquid comprises the components by weight percent: 5-60% of polysiloxane, 0.01-10% of cross linking reagent, 0.01-10% of catalyst and 45-90% of solvent. The polysiloxane rust-proof liquid is colorless, smelless and non-toxic, in accordance with the regulation of food industry as well as low in production cost and simple in operation, not only solves the problems that the rust-proof liquid is complicated in manufacturing and coating technique, contains harmful substance, is not environment-friendly and has overhigh economic cost, but also fill in the gap of preventing the rust of metal bottle cap trim in China, thus being applicable to metal bottle caps of various drinks; furthermore, by adopting the metal bottle cap trim polysiloxane rust-proof liquid, a hydrophobic adsorption film can be formed at the metal bottle cap trim, so that the moisture of the external environment can be isolated, and the corrosion resistant effect can be achieved.

Description

technical field [0001] The invention belongs to the field of metal anticorrosion, in particular to a polysiloxane antirust liquid and its preparation method and application. Background technique [0002] According to the national standard GB / T 13521-1992, the material of the metal bottle cap is electroplated tin (or chrome) thin steel plate. Tin-plated iron is commonly known as "tinplate", and its English abbreviation is SPTE. It is a cold-rolled tin-plated thin steel plate; chrome-plated iron, its English abbreviation is TFS, is a cold-rolled chemical chromium surface-treated thin steel plate. The advantages and disadvantages of the two are as follows: [0003] [0004] The electroplating layer and paint on the surface of the bottle cap play the role of anti-rust, which is referred to as the anti-rust layer for convenience. The cross-section formed by stamping when manufacturing the bottle cap is the trimming (as shown in the accompanying drawings) figure 1 shown in A)...

Claims

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Application Information

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IPC IPC(8): C09D183/04C09D183/05C09D183/08C09D183/06C09D183/12C09D5/08
Inventor 游革新王宇卢亿王婧
Owner SOUTH CHINA UNIV OF TECH
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