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Erasible neutral printing ink

A kind of ink and neutral technology, applied in the field of erasable neutral ink, can solve the problems of high toxicity and complex composition of erasable ink, and achieve the effect of low toxicity and good erasable effect

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

[0004] In general, the erasable inks provided in the prior art are complex in composition and relatively toxic

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Dissolve 0.8g of dodecyl alcohol, 0.2g of sodium alginate, and 0.2g of hydroxymethylcellulose in water, stir with a mixer for 3 hours, then add 0.2g of diethylene glycol and 0.2g of aquiline blue. After stirring thoroughly, you can. Control the viscosity of the ink between 3500-4200 to install the pen.

Embodiment 2

[0017] Dissolve 0.8 g of dodecyl alcohol, 0.2 g of sodium alginate, and 0.1 g of agar in water, stir with a mixer for 3 hours, then put in 0.2 g of diethylene glycol and direct black g. After stirring thoroughly, you can. Control the viscosity of the ink between 3500-4200 to install the pen.

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PUM

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Abstract

An erasable neutral ink is prepared from laury alcohol and / or diglycol, sodium alginate (or polyacrylate), carboxymethyl cellulose and / or agar, water and dye.

Description

technical field [0001] The present invention relates to neutral inks for writing, especially erasable neutral inks. technical background [0002] Gel ink is the ink used in gel pen refills. Compared with ordinary ink pens, this gel pen has the advantages of convenient use and cleanliness. It has been accepted by consumers including students. However, once ordinary neutral ink is written on the paper, it is 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. CN86100089A discloses a kind of erasable w...

Claims

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Application Information

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IPC IPC(8): C09D11/16
Inventor 谭自力
Owner 谭自力