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Transparent antirust coating and preparation method thereof

A kind of anti-rust coating, transparent technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of inner wall corrosion, shorten the service life of steel drums, increase costs, etc., and achieve strong corrosion resistance and colorless appearance Transparency and high safety effect

Inactive Publication Date: 2015-02-25
蚌埠飞浦科技包装材料有限公司
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the phosphating steel drum is used several times, the inner wall will be corroded, thereby shortening the service life of the steel drum and increasing the cost.

Method used

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  • Transparent antirust coating and preparation method thereof
  • Transparent antirust coating and preparation method thereof
  • Transparent antirust coating and preparation method thereof

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Embodiment Construction

[0022] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0023] The preparation method of transparent antirust paint of the present invention comprises the steps:

[0024] (1) Synthesis of 6009 epoxy resin: Add 720kg128 epoxy resin, 270kg bisphenol A and 110kg imidazole to a 500L reactor, heat the mixture to 180-190°C for 45-90min, after the reaction, cool and pulverize to obtain 6009 epoxy resin.

[0025] (2) Preparation of 6009 epoxy resin solution: Add 400kg of solid 6009 epoxy resin and 600kg of mixed solvent into a 1000L reactor, heat the mixture to 130°C, reflux and dehydrate for 60min, keep it warm for 2h, and finally cool down to 40°C before discharging Filter to obtain 6009 epoxy resin solution.

[0026] (3) Synthesis of modified epoxy resin: Add 750kg of 6009 epoxy resin solution prepared in...

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Abstract

The invention discloses transparent antirust coating and a preparation method thereof and relates to the technical field of container coating. The transparent antirust coating is composed of 75% of 6009 epoxy resin solution, 15% of light colour resin, 1% of a releasing agent, 5% of a flexibilizing agent and 4% of a mixed solvent. The preparation method of the transparent antirust coating comprises the following steps: firstly preparing solid 6009 epoxy resin through synthesis by virtue of 128 epoxy resin, bisphenol A and a catalyst, then adding the mixed solvent for preparing the 6009 epoxy resin solution, then reacting the light colour resin with the releasing agent to generate modified epoxy resin, and finally adding the flexibilizing agent and the mixed solvent into the modified epoxy resin, so that the target coating is obtained. The transparent antirust coating has the advantages that corrosivity is strong after film formation, appearance is colourless and transparent, all the technical indexes meet food hygienic standard, and safety is high; meanwhile, a production technology is simple, and economical efficiency is high.

Description

Technical field: [0001] The invention relates to the technical field of container coatings, in particular to a transparent antirust coating and a preparation method thereof. Background technique: [0002] Currently, canned food packaging containers sold on the market are mainly made of metal and glass, among which metal-packed cans are economical and hygienic, and are especially suitable for frozen foods. But it also has some defects, and the inside and outside of the tank are prone to rust, which affects the quality of the product. This requires the development of a transparent anti-rust coating that not only has anti-rust properties but also enhances the aesthetics of the can's appearance. [0003] Steel barrels are commonly used containers in the storage and transportation of industrial products, but they have the characteristics of poor corrosion resistance and easy rust. In industry, phosphating treatment is usually carried out on the inner wall of steel drums, and a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/08C09D7/12
CPCC09D163/00C08L2201/10C08L2205/035C09D5/08C09D7/65C08L101/00C08L23/26C08L67/00
Inventor 赵小弟
Owner 蚌埠飞浦科技包装材料有限公司
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