Environment-friendly erasable and revisable ink

Abstract

The invention relates to a writing ink, in particular to an environment-friendly erasable and revisable ink which is suitable for the culture and education product production industry. The ink is prepared from the following raw materials in parts by weight: 15-35 parts of calcium chloride, 1-5 parts of agar, 2-8 parts of acid blue, 1-5 parts of soluble starch and 95-115 parts of water. Compared with the traditional writing ink, the environment-friendly erasable and revisable ink can be arbitrarily erased by common erasers after writing, is free from time limit, has the advantages of fluent written form, no ink drop, no blocking, no toxicity, no pollution and fluent writing, ensures that a pen point is difficult to become dry and is suitable for handwriting needing no long-term storage.

Description

technical field [0001] The invention relates to a writing ink, in particular to an environment-friendly erasable ink, which is suitable for production in the stationery industry. Background technique [0002] With the rapid development of science and technology, computers have entered many areas of our work and life, and have begun to change people's lifestyles. A significant number of people are increasingly dependent on the keyboard and mouse. It is true that informatization and networking are the inevitable trend of the development of the times. However, after all, Chinese characters carry an integral part of the profound and long-standing Chinese culture. It is really unimaginable what kind of state the society will be in when people can’t write the characters of their own nation. If it is convenient for more people to pick up a pen to write characters, especially if a pen is used to write a wrong word, it can be corrected, so as not to Being able to inconvenience peo...

AI Technical Summary

Problems solved by technology

It is really unimaginable what kind of state the society will be in when people can’t write the characters of their own nation. If it is convenient for more people to pick up a pen to write, especially if a pen is used to write a wrong word, it can be corrected, so as not to Being able to use correction fluid to remove the inconvenience caused by wrongly written fonts will make more people willing to pick up pens

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