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Acrylic resin mainly used for container topcoat coating material, and preparation process thereof

An acrylic resin, container technology, applied in the coating and other directions, can solve the problem that it is difficult to meet the physical properties and construction requirements of the container finish, and achieve the effect of excellent color dispersion and high fullness

Inactive Publication Date: 2017-03-08
KUNSHAN SUMEI FINE CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the problem that the existing container topcoats are not specially designed for containers, and many adjustments must be made in their functions and construction conditions during use, and it is difficult to meet the physical and construction requirements of container topcoats. Defects, provide a kind of acrylic resin mainly used in container topcoat coating and its preparation process

Method used

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  • Acrylic resin mainly used for container topcoat coating material, and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] An acrylic resin mainly used for container finish paint, including the following components:

[0023] Methyl methacrylate 160Kg,

[0024] n-Butyl methacrylate 320Kg,

[0025] Methacrylic acid 5Kg,

[0026] Acrylic 2Kg,

[0027] Hydroxyethyl methacrylate 12Kg,

[0028] Dibenzoyl peroxide 9Kg,

[0029] Toluene 500Kg.

[0030] A preparation process of acrylic resin mainly used for container finish paint, comprising the following process flow:

[0031] A. The toluene of described 400Kg is added in the reactor, and feed nitrogen and be heated to reflux state;

[0032] b. The methyl methacrylate of 160KG, the n-butyl methacrylate of 320KG, the methacrylic acid of 5KG, the acrylic acid of 2KG, the hydroxyethyl methacrylate of 12KG and the dibenzoyl peroxide of 3KG are dropped into dropwise addition tank, and mix well;

[0033] c. Under the condition that the toluene in the reaction kettle of step a is in a reflux state, the mixed raw materials obtained in the dropping ...

Embodiment 2

[0037] An acrylic resin mainly used for container finish paint, including the following components:

[0038] Methyl methacrylate 200Kg,

[0039] n-Butyl methacrylate 300Kg,

[0040] Methacrylic acid 2Kg,

[0041] Acrylic 2Kg,

[0042] Hydroxyethyl methacrylate 10Kg,

[0043] Di-tert-butyl peroxide 10Kg,

[0044] Xylene 510Kg.

[0045] A preparation process of acrylic resin mainly used for container finish paint, comprising the following process flow:

[0046] A. the xylene of described 320Kg is added in the reactor, and feed nitrogen and be heated to reflux state;

[0047] b. The methyl methacrylate of 200KG, the n-butyl methacrylate of 300KG, the methacrylic acid of 2KG, the acrylic acid of 2KG, the hydroxyethyl methacrylate of 10KG and the di-tert-butyl peroxide of 4KG are put into dropwise addition tank, and mix evenly;

[0048] c. When the toluene in the reaction kettle of step a is in a reflux state, the mixed raw materials obtained in the dripping tank of step b ...

Embodiment 3

[0052] After the acrylic resin obtained in Example 1 and Example 2 is made into a paint film according to the corresponding national and industry standards, the corresponding performance test is carried out, and the test results can all meet the corresponding standard requirements. The test results are shown in Table 1 below.

[0053] Table 1.

[0054]

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Abstract

The present invention relates to the technical field of chemical industry, particularly to an acrylic resin mainly used for a container topcoat coating material, and a preparation process thereof. The acrylic resin comprises, by weight, 40-60 parts of an acrylic monomer, 5-15 parts of a functional acrylic monomer, 0.1-5 parts of an initiator, and 40-70 parts of a solvent, wherein the acrylic monomer is two or more than two selected from methyl acrylate, methyl methacrylate, n-butyl methacrylate, and n-butyl acrylate. According to the present invention, various physical requirements of the container topcoat are completely considered, and the appropriate acrylic monomer and the appropriate functional acrylic monomer are screened to perform the polymerization reaction of the acrylic resin, such that the acrylic resin with characteristics of corrosion resistance, wear resistance, impact resistance, high-temperature resistance, high-humidity resistance, low-temperature resistance, high salt erosion resistance, yellowing resistance and other physical properties, and with rapid drying, high fullness, thick coating, excellent color dispersion, easy repair and other coating construction characteristics is developed.

Description

technical field [0001] The invention relates to the technical field of chemical industry, in particular to an acrylic resin mainly used for container finish paint and a preparation process thereof. Background technique [0002] A container refers to a large loading container with certain strength, rigidity and specifications for turnover. Containers are the main means of transport for global freight. During the transportation of containers, different transportation environments also have different requirements for their topcoats. For example, containers that are transported by sea for a long time are easily eroded by seawater, so the topcoat must be able to withstand high temperature, high humidity, sun and rain environment and Erosion of high salinity seawater; such as land transportation, it must have a good appearance image to highlight the image and strength of the enterprise, and there must be no unfavorable phenomena such as discoloration, fogging or rusting; Contain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/14C08F220/18C08F220/06C08F220/28C09D133/12C09D133/10
Inventor 黄俊达郭峻瑞徐存
Owner KUNSHAN SUMEI FINE CHEM CO LTD
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