Anticorrosive paint and preparation method thereof

A technology for anti-corrosion coatings and raw materials, which is applied in the field of coatings to achieve the effects of convenient construction, strong defoaming power and good effect.

Inactive Publication Date: 2015-05-20
JIANGSU XIN AN NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to propose an anti-corrosion coating and a preparation method thereof for the above shortcomings of the prior art. The coating not only has strong corrosion resistance, but also has good adhesion and is not easy to fall off. , friction resistance, and various colors, long service life, long-term use of the coating will not cause problems such as blistering, cracking, whitening or even delamination, and can be used in harsh environments, with a wide range of applications

Method used

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  • Anticorrosive paint and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0032] The preparation method of a kind of anticorrosion coating provided in this embodiment, comprises the following raw materials in terms of mass parts: acrylic resin: 52 parts, bisphenol A epoxy resin: 20 parts, bisphenol F epoxy resin: 5 parts, polyurethane Film former: 3 parts, modified aromatic amine epoxy curing agent: 10 parts, silicon carbide: 8 parts, defoamer: 2 parts, antirust additive: 1 part, solvent: 45 parts, pigment 5 parts, surface Active agent: 15 parts; The method is carried out as follows:

[0033] Step (1): Put bisphenol A epoxy resin and bisphenol F epoxy resin into the stirring tank for mixing, control the temperature in the stirring tank at 45°C, set the stirring speed at 520r / min, and stir for 20 minutes;

[0034] Step (2): Then put the polyurethane film-forming agent, modified arylamine epoxy curing agent, and silicon carbide into the stirring tank for mixing in sequence, set the stirring speed to 620r / min, and the stirring time to 42min;

[0035] ...

Embodiment 2

[0038] The preparation method of a kind of anticorrosion coating provided in this embodiment comprises the following raw materials in terms of mass parts: acrylic resin: 53 parts, bisphenol A epoxy resin: 22 parts, bisphenol F epoxy resin: 7 parts, polyurethane Film forming agent: 4 parts, modified aromatic amine epoxy curing agent: 12 parts, silicon carbide: 9 parts, defoamer: 3 parts, antirust additive: 2 parts, solvent: 48 parts, pigment 10 parts, surface Active agent: 17 parts; The method is carried out as follows:

[0039] Step (1): Put bisphenol A epoxy resin and bisphenol F epoxy resin into the stirring tank for mixing, control the temperature in the stirring tank at 46°C, set the stirring speed at 525r / min, and stir for 22 minutes;

[0040] Step (2): Then put the polyurethane film-forming agent, modified arylamine epoxy curing agent, and silicon carbide into the stirring tank for mixing in sequence, set the stirring speed to 640r / min, and the stirring time to 44min;

...

Embodiment 3

[0044] The preparation method of a kind of anti-corrosion coating provided in this embodiment comprises the following raw materials in terms of parts by mass: acrylic resin: 55 parts, bisphenol A epoxy resin: 23 parts, bisphenol F epoxy resin: 8 parts, polyurethane Film forming agent: 5 parts, modified aromatic amine epoxy curing agent: 15 parts, silicon carbide: 12 parts, defoamer: 4 parts, antirust additive: 3 parts, pigment 15 parts, solvent: 50 parts, surface Active agent: 18 parts; The method is carried out as follows:

[0045] Step (1): Put bisphenol A epoxy resin and bisphenol F epoxy resin into the stirring tank for mixing, control the temperature in the stirring tank at 48°C, set the stirring speed at 530r / min, and stir for 25 minutes;

[0046] Step (2): Then put the polyurethane film-forming agent, modified arylamine epoxy curing agent, and silicon carbide into the stirring tank for mixing in sequence, set the stirring speed to 650r / min, and the stirring time to 45mi...

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Abstract

The invention discloses an anticorrosive paint and a preparation method thereof. The anticorrosive paint comprises the following raw materials in parts by mass: 52-55 parts of acrylic resin, 20-23 parts of bisphenol A epoxy resin, 5-8 parts of bisphenol F epoxy resin, 3-5 parts of polyurethane film-forming agent, 10-15 parts of modified arylated alkyl amine epoxy curing agent, 8-12 parts of silicon carbide, 2-4 parts of defoaming agent, 1-3 parts of rush-inhibiting additive, 45-50 parts of solvent, 5-15 parts of pigment, and 15-18 parts of surfactant. The invention further provides the preparation method of the paint. The paint is not only strong in corrosion resistance, but also good in adhesion and hard to fall off; the paint is small in surface friction coefficient, friction resistant, various in colors and long in service life; the paint cannot produce the problems of foaming, cracking, and whitening even delaminating after being used for a long time, and can be used in the hostile environment, and the use range is wide.

Description

technical field [0001] The invention relates to a coating, in particular to an anti-corrosion coating and a preparation method thereof. Background technique [0002] Corrosion is one of the main factors that cause damage to metal fixtures, especially to various vehicles such as automobiles and motorcycles, as well as other mechanical parts. And as the environment changes, the service life of metals is getting shorter and shorter, and the direct economic losses caused by metal corrosion account for about 2%-4% of the total output value of the national economy every year. At present, epoxy resin, polyurethane and acrylic anticorrosion coatings are used as binders at home and abroad to solve the above problems, but the production process is complicated, the curing time is long, and the subsequent processing of the firmware is troublesome; therefore, it is necessary to explore a A coating that is convenient for construction and has excellent anti-corrosion properties can improv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D163/00C09D175/04C09D5/08C09D7/12
CPCC09D133/00C08L2205/02C08L2205/035C09D5/08C09D7/63C09D7/65C08L63/00C08L75/04C08L83/04C08K13/02C08K3/34C08K5/10C08K5/17
Inventor 张望杨松林
Owner JIANGSU XIN AN NEW MATERIALS TECH
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