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Preparation method of colored double-curing UV coating

A dual-curing and coating technology, applied in anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., to achieve moderate leveling, fast curing speed, and full leveling of the paint surface

Active Publication Date: 2019-01-29
WUHU CHUNFENG NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In summary, the above applications all involve curing coatings and their preparation, but the above applications cannot solve the defect that the current automotive interior parts need to be sprayed twice, and the product performance is still worthy of further improvement

Method used

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  • Preparation method of colored double-curing UV coating
  • Preparation method of colored double-curing UV coating
  • Preparation method of colored double-curing UV coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Such as figure 1 and figure 2 Shown, the preparation method of a kind of colored dual curing UV coating of the present embodiment, wherein the raw material required for coating comprises the component of following weight portion:

[0040] 20 parts of tetrafunctional hydroxyl polyurethane acrylic resin;

[0041] 18 parts of four-functional aliphatic polyurethane acrylic resin;

[0042] Wherein the four-functional aliphatic urethane acrylic resin comprises: 9 parts by weight of the four-functional aliphatic urethane acrylic resin A and 9 parts by weight of the four-functional aliphatic urethane acrylic resin B;

[0043]

[0044] Wherein this ultraviolet photoinitiator comprises the ultraviolet photoinitiator A of 2 weight parts, the ultraviolet photoinitiator B of 1.5 weight part and the ultraviolet photoinitiator C of 2 weight parts;

[0045]

[0046] In this embodiment, the hexafunctional aliphatic polyurethane acrylic resin is a polyurethane acrylic oligomer;...

Embodiment 2

[0069] The preparation method of a kind of colored dual-curing UV coating of the present embodiment is basically the same as embodiment 1, and the difference is that the coating in the present embodiment comprises the following raw materials in parts by weight:

[0070] 20 parts of tetrafunctional hydroxyl polyurethane acrylic resin;

[0071] 25.9 parts of four-functional aliphatic polyurethane acrylic resin;

[0072] Wherein the four-functional aliphatic urethane acrylic resin comprises: 10.9 parts by weight of the four-functional aliphatic urethane acrylic resin A and 15 parts by weight of the four-functional aliphatic urethane acrylic resin B;

[0073]

[0074] Wherein the ultraviolet photoinitiator comprises the ultraviolet photoinitiator A of 1 weight part, the ultraviolet photoinitiator B of 2 weight parts and the ultraviolet photoinitiator C of 2 weight parts;

[0075]

[0076] The coating preparation method of the present embodiment is basically the same as that...

Embodiment 3

[0083] The preparation method of a kind of colored dual-curing UV coating of the present embodiment is basically the same as embodiment 1, and the difference is that the coating in the present embodiment comprises the following raw materials in parts by weight:

[0084] 25 parts of tetrafunctional hydroxyl polyurethane acrylic resin;

[0085] 20 parts of four-functional aliphatic polyurethane acrylic resin;

[0086] Wherein the four-functional aliphatic urethane acrylic resin comprises: 12 parts by weight of the four-functional aliphatic urethane acrylic resin A and 8 parts by weight of the four-functional aliphatic urethane acrylic resin B;

[0087]

[0088]

[0089] Wherein this ultraviolet photoinitiator comprises the ultraviolet photoinitiator A of 2 weight parts, the ultraviolet photoinitiator B of 1.3 weight part and the ultraviolet photoinitiator C of 1 weight part;

[0090]

[0091] The coating preparation method of the present embodiment is basically the sam...

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Abstract

The invention discloses a preparation method of a colored double-curing UV coating, and belongs to the field of coating preparation. The preparation method comprises the steps: (1) mixing quaternary hydroxy polyurethane acrylate resin, quaternary aliphatic polyurethane acrylate resin, ternary aliphatic polyurethane acrylate resin, hexahydric aliphatic polyurethane acrylate resin and TMPTA monomerso as to obtain a mixture A; (2) adding an ultraviolet light initiator to butyl acetate so as to obtain a mixture B; (3) adding the mixture B to the mixture A, and adding a leveling agent so as to obtain a mixture C; (4) adding black slurry to the mixture C, and performing stirring so as to obtain a mixture D; and (5) adding ethyl acetate and butyl acetate to the mixture D, and performing uniformstirring and filtration so as to obtain the coating. The shortcoming of low production efficiency caused by twice spraying needed by automobile interior parts in the prior art is overcome, the formedpaint film has the properties of solvent resistance, water resistance and the like, the current twice spraying effect can be improved, and energy saving and improvement of the production efficiency are achieved.

Description

technical field [0001] The invention relates to the technical field of coating preparation, and more specifically, relates to a preparation method of colored dual-curing UV coating. Background technique [0002] Nowadays, with the enhancement of people's awareness of environmental protection and the development of polymer science, the demand for the use of environmentally friendly coatings is also increasing. In order to find a competitive advantage, domestic companies are gradually tightening the indicators of VOC content in coatings, developing and applying environmental protection coatings. type paint. UV paint is an environmentally friendly coating, which has the advantages of fast curing speed and high work efficiency. Therefore, the research and development of UV varnish series paint for automotive interiors is in line with market trends. The application of UV varnish series paints for automotive interiors has great potential in the application of automotive interior p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D5/08
CPCC08L2205/025C08L2205/035C09D5/08C09D175/14C08L75/04
Inventor 卜应虎郭小平
Owner WUHU CHUNFENG NEW MATERIAL
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