Ink allowing handwriting to be erased with erasers

Abstract

Ink allowing handwriting to be erased with erasers is prepared from, by weight, 2.5-5 parts of sorbitol, 1.2-2 parts of thickener, 0.5-2 parts of dispersant, 0.2-0.5 part of wetting agent, 0.5-1 part of antirust agent, 0.5-1 part of bactericide, 15-32 parts of pigment powder capable of being erased by erasers, 2 parts of diphenylamine and 55-70 parts of purified water in a mixed mode. Writing with the ink on paper is smooth, handwriting can be erased immediately after being formed, and the ink is adaptable to various kinds of paper for writing and can be erased with erasers to keep the test paper surface clean.

Description

Technical field: [0001] The invention relates to the field of ink technology, in particular to an ink for erasing handwriting with an eraser. 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. The erasable ink of the magic pen currently on the market cannot be written again after being wiped, and a blank area will be left on the written work. Invention content: [0003] In order to solve the existing problems of the background ...

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.

The erasable ink of the magic pen currently on the market cannot be written again after being wiped, leaving a blank area on the written assignment