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Thermosetting acrylic coating used on surface of metal

A metal surface, thermosetting technology, applied in the direction of coating, etc., can solve the problems that cannot be guaranteed not to fall off, the value of the metal plate is not high, and the scope of application is not wide, so as to achieve good market prospects, good thermosetting performance, and the effect of wide application

Inactive Publication Date: 2010-01-13
赵庆利
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the metal plate will be deformed at this temperature, so the value of the produced metal plate is not high, and the scope of application is not wide. At the same time, due to the poor adhesion of the pigment and the poor weather resistance, it cannot be guaranteed that it will not fall off after long-term use.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The coating that present embodiment adopts, its raw material ratio is as follows:

[0020] 65 parts of thermosetting acrylic resin, 20 parts of butoxylated amino resin, 16 parts of nano-scale pigment and 5 parts of solvent, 0.5 part of defoamer and 2 parts of accelerator;

[0021] The pigment used is titanium dioxide with a fineness of 220-250 nanometers, the solvent is xylene, the defoamer used is BYK-141 type defoamer, and the accelerator is ADP type adhesion promoter. The above raw materials are all Raw materials directly purchased from the market can be used.

[0022] The processing method of this coating is as follows:

[0023] First put the thermosetting acrylic resin and solvent into the disperser, stir with a high-speed disperser for 30-40 minutes, mix evenly, and make a mixture;

[0024] Then use a sand mill to grind the above mixture to a fineness of less than 25 microns:

[0025] Finally, pump the sanded mixture into the adjustment pot, and sequentially ad...

Embodiment 2

[0027] The coating that present embodiment adopts, its raw material ratio is as follows:

[0028] 70 parts of thermosetting acrylic resin, 15 parts of butoxylated amino resin, 20 parts of nanoscale pigment and 8 parts of solvent, 0.2 part of leveling agent, 0.5 part of defoamer, 2 parts of accelerator and wetting agent 1.5 parts of dispersant;

[0029] The pigment used is iron phosphorus powder with a fineness of 220-250 nanometers, the solvent is toluene, the defoamer used is BYK-141 type defoamer, the accelerator is ADP type adhesion promoter, leveling agent It is BYK-306 type leveling agent, sodium polyacrylate is used as wetting and dispersing agent; the above raw materials can be directly purchased from the market.

[0030] The processing method of this coating is as follows:

[0031] First put the thermosetting acrylic resin and solvent into the disperser, stir with a high-speed disperser for 30-40 minutes, mix evenly, and make a mixture;

[0032] Then use a sand mill...

Embodiment 3

[0035] The coating that present embodiment adopts, its raw material ratio is as follows:

[0036] 75 parts of thermosetting acrylic resin, 30 parts of butoxylated amino resin, 20 parts of nano-scale pigments and 10 parts of solvent, 0.2 parts of leveling agent, 0.5 parts of accelerator and 3.5 parts of wetting and dispersing agent;

[0037] The pigment used is iron phosphorus powder with a fineness of 200-220 nanometers, the solvent is xylene, the accelerator used is ADP type adhesion promoter, and the leveling agent is BYK-306 type leveling agent. The dispersant is dispersant DA; the above-mentioned raw materials can be directly purchased from the market.

[0038] The processing method of this coating is as follows:

[0039] First put the thermosetting acrylic resin and solvent into the disperser, stir with a high-speed disperser for 30-40 minutes, mix evenly, and make a mixture;

[0040] Then use a sand mill to grind the above mixture to a fineness of less than 15 microns:...

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Abstract

The invention provides a thermosetting coating, and more particularly adopts a thermosetting acrylic coating used on the surface of metal. The thermosetting acrylic coating mainly includes thermosetting acrylic resin, nano pigment and other necessary components. The coating adopting the components has good thermosetting property, requires lower thermosetting temperature, can effectively reduce the deformation of sheet metal caused by high temperature, prolongs the service life of the pigment, and improves the quality of the produced board; furthermore, the thermosetting acrylic coating also has good weatherability, can be used for a long time, is lower in production cost and is widely popularized and applied.

Description

technical field [0001] The invention relates to a thermosetting paint, in particular to a thermosetting acrylic paint used on metal surfaces, especially suitable for surface coating of low-thickness metal plates. Background technique [0002] In various fields and industries, metal sheets, such as aluminum-plastic sheets, have been widely used as decoration materials and exterior wall materials. Generally speaking, in order to reduce the cost, these decorative metal plates are required to be as thin as possible. At present, aluminum foil plates with a thickness of less than 0.1 mm have been used. In order to improve the decorative effect of these metal plates and improve their anti-corrosion and wear resistance, it is usually necessary to roll-coat a layer of paint on the metal surface as a protective and decorative layer. In order to improve the efficiency of roller coating, generally the coatings are selected to be able to be dried in a short time, so thermosetting coatin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00
Inventor 赵庆利
Owner 赵庆利
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