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Coating composition and application thereof

A coating and raw material technology, applied in the coating combination and its application field, can solve the problems of non-environmental protection, difficult to meet the glossiness of vacuum coating, and large skin irritation, and achieve the effect of low price and improved experience

Active Publication Date: 2021-11-26
HUNAN SOKAN NEW MATERIAL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, vacuum coating UV-curable coatings are generally realized by the process of oil-based primer→coating→color-adding medium paint→oil-based topcoat. However, oil-based coatings have disadvantages such as excessive VOC, not environmental protection, and greater skin irritation, which cannot meet the relevant requirements. Legal requirements; existing water-based coatings are difficult to meet performance requirements such as glossiness of vacuum coating

Method used

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  • Coating composition and application thereof
  • Coating composition and application thereof
  • Coating composition and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0130] This embodiment provides a paint combination, which includes a primer 1 and a top coat 1, and the specific formulations are shown in Tables 1-2.

[0131] Table 1 primer ratio

[0132] Primer 1 Primer 2 Primer 3 Primer 4 parts by mass parts by mass parts by mass parts by mass 6-8 functional degree acrylate emulsion 15 5 10 20 2-4 functional acrylate emulsion 55 75 65 45 Water-based alkoxylated UV monomer 15 5 10 20 Photoinitiator 4 4 4 4 pH regulator 0.1 0.1 0.1 0.1 Co-solvent 2 2 2 2 water-based wetting agent 1 1 1 1 Water-based leveling agent 1 1 1 1 Water-based defoamer 0.2 0.2 0.2 0.2 Deionized water 5.7 5.7 5.7 5.7 Water-based thixotropic agent 1 1 1 1

[0133] Table 2 topcoat ratio

[0134]

[0135]

Embodiment 2

[0137] In this embodiment, a paint combination is prepared, which includes a primer 1 and a topcoat 2, wherein the ratio of the primer 1 is shown in Table 1, and the ratio of the topcoat 2 is shown in Table 2.

Embodiment 3

[0139] In this embodiment, a paint combination is prepared, which includes a primer 1 and a topcoat 3, wherein the ratio of the primer 1 is shown in Table 1, and the ratio of the topcoat 3 is shown in Table 2.

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Abstract

The invention discloses a coating composition and application thereof. The coating composition comprises a primer and a finish paint. The primer is prepared from the following raw materials: an acrylate emulsion with functionality of 6-8, an acrylate emulsion with functionality of 2-4 and a water-based alkoxylation UV monomer; and the finish paint is prepared from the following raw materials: aliphatic acrylic emulsion with the functionality of 8-12, epoxy modified polyurethane acrylic emulsion with the functionality of 2-4, anionic carboxylic acid modified acrylate emulsion and an adhesion promoter. According to the coating composition provided by the invention, by adjusting the composition of the primer and the finish paint in the coating composition, the coating composition can meet the requirements of vacuum coating.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a coating combination and its application. Background technique [0002] In order to make the plastic surface have the luster and brightness of metal, it is generally realized by vacuum coating process. At present, vacuum-coated UV-curable coatings are generally realized by the process of oil-based primer→coating→color-adding primer→oil-based topcoat. However, oil-based coatings have disadvantages such as excessive VOC, environmental protection, and greater skin irritation, which cannot meet the relevant requirements. Legal requirements; existing water-based coatings are difficult to meet performance requirements such as glossiness of vacuum coating. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems in the above-mentioned prior art. For this reason, the present invention proposes a kind of paint combinat...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D175/04C09D175/14C09D5/00C09D7/63
CPCC09D133/04C09D175/04C09D175/14C09D5/002C09D7/63C08L33/04C08L75/14C08L75/04
Inventor 刘唐辉曾煜李尚贤符饶生王卫国凌云剑
Owner HUNAN SOKAN NEW MATERIAL
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