Gel ink

Abstract

Gel ink is prepared from, by mass, 3-5 parts of sorbitol, 1-2 parts of thickener, 0.5-1 part of antirust agent, 0.5-1 part of bactericide, 15-32 parts of acid blue dyestuff, 1-6 parts of dispersing agent and 60-70 parts of purified water. The gel ink enables people to write smoothly on paper, is adaptable to various kinds of paper, and can be erased from paper with special alkaline liquid so that tidiness of test paper can be maintained.

Description

Technical field: [0001] The invention relates to the field of ink technology, in particular to gel pen ink. Background technique: [0002] Now more and more students use gel pens and ballpoint pens to write. They don't need to absorb ink frequently, but they can write the effect of pen characters, so they are very popular among students. However, in actual use, the handwriting of ordinary gel pens and ballpoint pens is difficult to erase. However, students will inevitably make writing mistakes in the actual use process. Students use correction fluid or correction tape to modify the roll surface, which often leads to the untidy roll surface and brings inconvenience to the teacher for correcting homework. Invention content: [0003] In order to solve the existing problems of the background technology, the present invention adopts the following technical solutions: it includes the following components and mass ratios, 3-5 parts of sorbitol, 1-2 parts of thickener, 0.5-1 part...

AI Technical Summary

Problems solved by technology

However, in actual use, the handwriting of ordinary gel pens and ballpoint pens is difficult to erase

However, students will inevitably make writing mistakes in the actual use process. Students use correction fluid or correction tape to modify the roll surface, which often leads to untidy roll surface and brings inconvenience to the teacher for correcting homework.