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Water-sensitive discoloring paint

A color-changing paint and water-sensitive technology, applied in the field of chemical paint, can solve the problems of fast discoloration, difficult and slow detection of air humidity changes, etc., and achieve the effect of improving sensitivity

Inactive Publication Date: 2014-10-08
杨美
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many color-changing materials contain organic substances that are harmful to the human body. In addition, the color-changing speed of existing water-sensitive color-changing materials is either too fast or too slow. It is very difficult to detect changes in air humidity through the color change of color-changing materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] Example 1: including 250 parts of rosin, 200 parts of ammonium molybdate, 200 parts of oxalic acid, 50 parts of 1-amino-2-phenol-4-sulfonic acid, 1300 parts of sulfurous acid, 25 parts of hydrochloric acid, 600 parts of methanol, and 140 parts of titanium dioxide .

Embodiment 2

[0008] Example 2: including 270 parts of rosin, 250 parts of ammonium molybdate, 230 parts of oxalic acid, 70 parts of 1-amino-2-phenol-4-sulfonic acid, 1500 parts of sulfurous acid, 35 parts of hydrochloric acid, 650 parts of methanol, and 160 parts of titanium dioxide .

Embodiment 3

[0009] Example 3: including 290 parts of rosin, 300 parts of ammonium molybdate, 60 parts of oxalic acid, 90 parts of 1-amino-2-phenol-4-sulfonic acid, 1700 parts of sulfurous acid, 45 parts of hydrochloric acid, 700 parts of methanol, and 180 parts of titanium dioxide .

[0010] During production, first add ammonium molybdate, 8 / 10 parts of oxalic acid and 1-amino-2-phenol-4-sulfonic acid into a solution composed of sulfurous acid (8%) and hydrochloric acid (18%), and stir the reaction to form precipitation, separation. After the precipitate was dissolved in a solution composed of rosin, remaining oxalic acid and methanol and completely dissolved, 16 parts of titanium dioxide were added, fully mixed, and filtered to obtain a water-sensitive color-changing paint.

[0011] In summary, after the present invention contacts with water, the paint changes from blue to pinkish white, which improves the sensitivity.

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PUM

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Abstract

The invention relates to a water-sensitive discoloring paint which comprises 250-290 parts of rosin, 200-300 parts of ammonium molybdate, 200-260 parts of oxalic acid, 50-90 parts of 1-amino-2-phenol-4-sulfonic acid, 1300-1700 parts of sulfurous acid, 25-45 parts of hydrochloric acid, 600-700 parts of methanol and 140-180 parts of titanium dioxide. After contacting water, the paint turns pink-white from blue, and thus, has higher sensitivity.

Description

technical field [0001] The invention relates to chemical coatings, in particular to a water-sensitive color-changing coating. Background technique [0002] Water-sensitive color-changing materials are an important content in the research and application fields of color-changing materials. At present, water-sensitive color-changing materials are sensitive to liquid water and water vapor in the air. Although some water-sensitive materials have been developed, there are still some deficiencies in the principle of action and application, for example. Many color-changing materials contain organic substances that are harmful to the human body. In addition, the color-changing speed of existing water-sensitive color-changing materials is either too fast or too slow. It is very difficult to detect changes in air humidity through the color change of color-changing materials. Contents of the invention [0003] The object of the present invention is to provide a water-sensitive colo...

Claims

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Application Information

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IPC IPC(8): C09D193/04C09D7/12
Inventor 杨美
Owner 杨美