Red ink with high stability

Abstract

The invention discloses red ink with high stability. The red ink of the invention is composed of the following raw materials (by weight): 10-15 parts of red dye, 15-20 parts of ethanol, 5-10 parts of glycerin, 1-3 parts of potassium carbonate, 20-25 parts of gum acacia, 3-5 parts of liquid carbolic acid, 0.1-0.4 part of sodium stearate and 90-100 parts of deionized water. The red dye is one or more dyes selected from eosin, carmine and fuchsine. The red ink of the invention has good stability, has bright color and will not fade for a long time.

Description

technical field [0001] The invention belongs to the field of office supplies, in particular to a red ink with high stability. Background technique [0002] At present, most of the inks on the market are carbon inks, blue-black inks, and red inks with good stability and bright colors are still rare. SUMMARY OF THE INVENTION [0003] In view of the deficiencies of the prior art, the present invention provides a red ink with high stability. [0004] The technical scheme of the present invention is: a red ink with high stability, which is composed of the following raw materials by weight: 10-15 parts of red dye, 15-20 parts of ethanol, 5-10 parts of glycerin, and 1-3 parts of potassium carbonate , 20-25 parts of gum arabic, 3-5 parts of liquid carbonic acid, 0.1-0.4 parts of sodium stearate, 90-100 parts of deionized water, the red dye is a kind of eosin, carmine, and magenta or more. [0005] Compared with the prior art, the present invention has the advantages of good sta...

AI Technical Summary

Problems solved by technology

[0002] At present, most of the inks on the market are carbon inks and blue-black inks, and there are few red inks with good stability and bright colors.