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Bi component paint used as top coating, producing process and usage thereof

A two-component, paint technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problem of not fully satisfying the development of high-tech industries, and achieve the effect of bright color, strong adhesion and good toughness

Inactive Publication Date: 2004-06-02
刘恩禄
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This patent is a combination of epoxy resin and polyamide resin, synergistic effect, although the anti-corrosion performance of the coating has been improved to a certain extent, it still cannot fully meet the needs of high-tech industrial development

Method used

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  • Bi component paint used as top coating, producing process and usage thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The composition of the epoxy resin solution of the A component is: 5 parts of butanol, 8 parts of cyclohexanone, 12 parts of xylene, 10 parts of epoxy resin and 2 parts of linear epoxy resin. Wherein the epoxy resin is epoxy resin 601, and the linear epoxy resin is epoxy resin 621, produced by Wuxi Resin Factory.

[0041] Component A is: 5 parts of polyurethane resin, 2 parts of elemental silicone resin, 2 parts of amino resin, 2 parts of polyester resin, 1 part of hexyl diisocyanate and 15 parts of titanium dioxide, 8 parts of talcum powder, 6 parts of precipitated barium sulfate, 2 parts of bentonite and 10 parts of epoxy resin solution. Among them, the polyurethane resin is polyurethane resin 7110 A, the elemental silicone resin is produced by Shanghai Resin Factory, the amino resin is amino resin 590-4, produced by Tianjin Resin Factory, and the polyester resin is polyester resin 3201, produced by Shanghai Xinhua Resin Factory. Hexyl diisocyanate was produced by Ba...

Embodiment 2

[0049] The difference from Example 1 is that the raw material ratio of the epoxy resin solution of A component is: 8 parts of butanol, 12 parts of cyclohexanone, 16 parts of xylene, 12 parts of epoxy resin 604, linear epoxy resin 4 parts share. The stirring speed is 1000 rpm, the temperature is gradually raised to 140 °C at a rate of 2 °C / min, and the gas supply is stopped at 120 min.

[0050] The raw material ratio of the finished product of component A is: 10 parts of polyurethane resin, 4 parts of elemental silicone resin, 2.5 parts of amino resin, 2.5 parts of polyester resin, 2 parts of hexyl diisocyanate, 15 parts of 808 red powder, and 12 parts of lithopone , 8 parts of precipitated barium sulfate, and 18 parts of epoxy resin solution. The stirring speed is 1300 rev / min, the stirring time is 40min, and the fineness is 35 microns.

[0051] The raw material ratio of the finished product of component B is: 94 parts of polyurethane 7110, 1 part of butanol, 1 part of cyclo...

Embodiment 3

[0055] The difference from Example 1 is that the raw material ratio of component A epoxy resin liquid is: 10 parts of butanol, 15 parts of cyclohexanone, 18 parts of xylene, 20 parts of epoxy resin, and 8 parts of linear epoxy resin . The stirring speed is 1150 rev / min, the temperature is gradually raised to 160°C at a speed of 4°C / min, and the gas supply is stopped at 90 minutes.

[0056] The raw material ratio of the finished product of component A is: 15 parts of polyurethane resin, 6 parts of elemental silicone resin, 5 parts of amino resin, 5 parts of polyester resin, 5 parts of hexyl diisocyanate and 10 parts of cobalt green, 12 parts of lithopone, 8 parts of precipitated barium sulfate, 2 parts of bentonite and 25 parts of epoxy resin solution. The stirring speed is 1350 rpm, the stirring time is 30 minutes, and the fineness is 20 microns.

[0057] The raw material ratio of the finished product of component B is: 90 parts of polyurethane 7110A, 1 part of butanol, 1 pa...

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Abstract

The two-component finish paint includes component A and component B. The component A is mainly hydroxy bisphenol propane and epoxy chloropropane synthesized resin; and the component B is isocyanate and diaminotoluene affixture. The present invention also relates to the production process and usage of the paint product. When the finish paint is used, the two components are mixed and the finish paint is cured via crosslinking of hydroxy group and isocyanate to reach natural drying at normal temperature. The paint product of the present invention has great adhesion force, good toughness, good antifouling performance, high wear resistance, salty fog resistance, gasoline resistance, acid and alkali resistance, high electric insulating performance, shock resistance, heat resistance, cold resistance and good fireproof performance. It is used as finish paint widely in different fields.

Description

technical field [0001] The present invention relates to a two-component paint product, a method for its production and a method for its use, especially a paint product for topcoats based on epoxy resins. Background technique [0002] Paint refers to a type of film-forming substance that can dry and form a film when applied to the surface of an object, making the object beautiful and protected, or forming a film with other special functions on the surface of the object. Paint is a multi-component system, generally a viscous liquid. Since the function of paint is to protect different surfaces and environments, it needs to have mechanical strength, aging resistance, and corrosion resistance. [0003] The film-forming substances of paints mostly use high-molecular compounds, which are generally called resins for coatings. They should have the following properties: good solubility, good miscibility, good film-forming properties and wettability to pigments, and can impart certain ...

Claims

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Application Information

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IPC IPC(8): C09D175/04
Inventor 刘恩禄
Owner 刘恩禄
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