Erasible ink

A kind of ink and soluble technology, applied in the direction of ink, household utensils, applications, etc., can solve the problems of paper damage, inconvenient use, poor modification effect, etc., and achieve the effect of good erasability and low toxicity

Inactive Publication Date: 2005-03-09
谭自力
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And the effect of modification is not good; 2. Use scotch tape
Obviously, this method is inconvenient to use and damages the paper

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Dissolve 0.3g of methyl paste blue in 200ml of water, then add 0.7g of dodecyl alcohol, sodium alginate, and 0.4 of polyacrylic acid in sequence, and after fully stirring, add 0.9g of magnesium chloride and 1.5g of aquiline blue. Just stir well.

Embodiment 2

[0018] Dissolve 0.2g of methyl violet in 200ml of water, then add 0.8g of dodecyl alcohol, sodium alginate, and 0.5% of polyacrylic acid in sequence. After stirring thoroughly, add 0.8g of potassium chloride and 2g of direct black. Just stir well.

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PUM

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Abstract

An erasable ink is prepared from lauryl alcohol, sodium alginate, polyacrylic acid or sodium polyacrylate, soluble chloride, water and dye.

Description

technical field [0001] This invention relates to writing inks, especially erasable inks. Background technique [0002] Ink is an essential school supplies for students. Ordinary ink, once written on paper, is very difficult to wipe off. It is extremely inconvenient for students who are studying. The more commonly used correction methods among students are: 1. Use correction fluid. This is a white organic substance that is usually poisonous and has a pungent smell. And the effect of modification is not good; 2. Use scotch tape. Obviously, this method is inconvenient to use and damages the paper. [0003] Some inks having erasable properties have been disclosed in the prior art. The patent application of Chinese Patent Publication No. CN87100224A discloses an erasable water-solvent ink. The ink is based on water, and is formulated in various proportions from water-soluble dyes, surfactants, binders and wetting agents. The ink can be written on a smooth, non-absorbent f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/16
Inventor 谭自力
Owner 谭自力
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