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Method for preparing light-resistant paint

A coating and light resistance technology, which is applied in the field of coating manufacturing, can solve the problems of paint peeling, light resistance performance to be improved, easy to decompose, etc., and achieve the effect of improving light resistance performance

Inactive Publication Date: 2016-10-12
DRAGON FISH PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Among them, although ordinary paints also have certain light resistance, if they are exposed to early light for a long time, they are prone to decomposition, resulting in the phenomenon of paint falling off. All in all, their light resistance needs to be improved

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] This light-resistant coating comprises the following preparation steps:

[0015] First mix 1.7kg rosin, 1.0kg safflower oil, 0.6kg petroleum and 2.0kg deionized water with a conductivity less than 5μS / cm, and heat to 105°C and stir for 2 hours; Under the ultrasonic condition of 50Khz, add 10.0kg epoxy resin, 0.3kg cardanol, 0.6kg zirconia, 0.015kg sulfur and 2.6kg pigment for ultrasonication for 45 minutes, and at the same time irradiate with ultraviolet light; finally, the obtained substance Grind to particle size ≤ 10 nm.

[0016] The coating prepared in this embodiment has good light fastness, and its light fastness reaches grade 5 or above.

Embodiment 2

[0018] This light-resistant coating comprises the following preparation steps:

[0019] First mix 2.0kg rosin, 0.6kg safflower oil, 1.0kg petroleum and 1.5kg deionized water with conductivity less than 5μS / cm, and heat to 110°C and stir for 1 hour; then, at ultrasonic power of 80W, ultrasonic frequency Under the ultrasonic condition of 50Khz, add 10.0kg epoxy resin, 0.1kg cardanol, 0.8kg zirconia, 0.01kg sulfur and 3.0kg pigment for ultrasonication for 60 minutes, and at the same time irradiate with ultraviolet light; finally, the obtained substance Grind to particle size ≤ 10 nm.

[0020] The coating prepared in this embodiment has good light fastness, and its light fastness reaches grade 5 or above.

Embodiment 3

[0022] This light-resistant coating comprises the following preparation steps:

[0023] First mix 1.5kg rosin, 0.7kg safflower oil, 0.9kg petroleum and 1.8kg deionized water with conductivity less than 5μS / cm, and heat to 105℃ and stir for 3 hours; then, at ultrasonic power of 80W, ultrasonic frequency Under the ultrasonic condition of 50Khz, add 10.0kg epoxy resin, 0.5kg cardanol, 0.5kg zirconia, 0.02kg sulfur and 2.0kg pigment for ultrasonication for 30 minutes, and at the same time irradiate with ultraviolet light; finally, the obtained substance Grind to particle size ≤ 10 nm.

[0024] The coating prepared in this embodiment has good light fastness, and its light fastness reaches grade 5 or above.

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Abstract

The invention discloses a method for preparing a light-resistant paint, and belongs to the technical field of paint preparation. The method comprises the following steps: mixing rosin, safflower oil, petroleum, and deionized water with the electrical conductivity less than 5 [mu]S / cm, and heating to 105-110 DEG C for 1 to 3 hours; then under the ultrasonic condition that the ultrasonic power is 80W and the ultrasonic frequency is 50 Khz, adding epoxy resin, cardanol, zirconium oxide, sulfur and pigment, and conducting ultrasonography for 30 to 60 minutes, meanwhile irradiating with ultraviolet rays, and finally grinding the prepared material to be the particle size less than or equal to 10 nanometers. According to the method, primarily, the rosin, the safflower oil, the petroleum, and the deionized water with the electrical conductivity less than 5 [mu]S / cm are mixed and subjected to heating reaction, then epoxy resin, cardanol, zirconium oxide, sulfur and pigment are subjected to ultrasonography under the specific ultrasonic condition, meanwhile the ultraviolet rays are used for irradiation, and finally the prepared material is ground to be the particle size less than or equal to 10 nanometers, so that the light resistance of the product is improved.

Description

technical field [0001] The invention belongs to the technical field of paint manufacture, and in particular relates to a preparation method of light-resistant paint. Background technique [0002] The so-called paint is coated on the surface of the object to be protected or decorated, and can form a continuous film firmly attached to the object to be coated, usually based on resin, oil, or emulsion, with or without adding pigments, fillers, adding The corresponding additives are viscous liquids prepared with organic solvents or water. Coatings have anti-corrosion, waterproof, oil-proof, chemical resistance, light resistance, temperature resistance and other properties. [0003] Among them, although ordinary coatings also have certain light resistance, if they are exposed to early light for a long time, they are prone to decomposition, resulting in paint falling off. All in all, their light resistance needs to be improved. Contents of the invention [0004] The technical p...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D7/12
CPCC09D163/00C08L2201/08C08L2205/03C09D7/61C09D7/63C09D7/65C08L93/04C08K13/02C08K2003/2244C08K3/06C08K5/13
Inventor 刘湛光韦光南董春霞
Owner DRAGON FISH PAINT
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