CN100360623C - Erasible neutral printing ink - Google Patents
Erasible neutral printing ink Download PDFInfo
- Publication number
- CN100360623C CN100360623C CNB031247717A CN03124771A CN100360623C CN 100360623 C CN100360623 C CN 100360623C CN B031247717 A CNB031247717 A CN B031247717A CN 03124771 A CN03124771 A CN 03124771A CN 100360623 C CN100360623 C CN 100360623C
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- China
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- printing ink
- agar
- neutral
- dyestuff
- water
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Abstract
The present invention relates to neutral ink for writing, particularly to erasable neutral printing ink. The erasable neutral printing ink provided by the present invention comprises the components by weight proportion: 0.6 to 1 g of dodecyl alcohol or diethylene glycol, 0.2 to 0.5 g of sodium alginate or sodium polyacrylate, 0.1 to 0.3 g of hydroxymethyl cellulose or agar, 150 g of water and 2 to 3 g of dyestuff. The erasable neutral printing ink provided by the present invention has the advantages of favorable erasable effect and low toxicity.
Description
Technical field
The present invention relates to write and use neutral inks, the particularly neutral inks that can wipe.
Technical background
Neutral inks is the printing ink that is used for the gel ink pen pen core.This gel ink pen is compared with common pen, have easy to use, the advantage of cleaning.The consumers in general that comprised the student accept.But common neutral inks just is difficult to wipe once writing on the paper.The student in being in study, very inconvenience.Comparing the common use modification method now in the student is: 1, use correction fluid.This is a kind of organism of white, usually poisonous and pungent odour.And the effect of revising is also bad; 2, use scotch tape.Obviously, this method is used inconvenience, and paper is also damaged.
Disclose some in the prior art and had the printing ink that to wipe characteristic.The patent application of Chinese patent publication number CN86100089A discloses a kind of erasable printing ink.This printing ink is by rubber (or mixture of rubber and resin), pigment, and lubricant, low boiling point solvent, the high boiling point dispersion medium is formed.Used lubricant is a lead stearate, and dispersion medium is neopentyl polyol ester or dimixo-octyl phthalate or both mixing, and low boiling point solvent is a petroleum hydrocarbon.Other documents also have Chinese patent application numbers 9410899.5, and application number is 95115935.6, and application number is 97121651.7, and application number is 00114341.7 patent application.Similar technical scheme is all disclosed in these applications.Be that erasable printing ink is by membrane-forming agent, lubricant, dispersion medium, low boiling point solvent and coloured material are formed.Membrane-forming agent generally is to use rubber.Lubricant is to adopt higher fatty acid monobasic alcohol ester or polyol ester, also have with mono-glycerides or diacylglycerol and ethylene glycol ester or ethylene glycol ester.The employing high boiling solvent that dispersion medium has, as fuel oil or with the mixture of dioctyl phthalate (DOP), also useful whiteruss.Solvent adopts lower boiling aliphatic hydrocarbon or aromatic hydrocarbon usually.Tinting material is that dyestuff can be from carbon black, selects in azo based dye, anthraquinone based dye and the phthalocyanine based dye.
Generally speaking, the polished China ink that provides in the prior art is formed complicated, and toxicity is bigger.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of effective, forms simply the wiped neutral inks that toxicity is low.
For realizing the object of the invention.The neutral inks prescription of wiping provided by the invention is by weight ratio: dodecyl alcohol is or/and glycol ether 0.6-1g, sodium alginate or sodium polyacrylate 0.2-0.5g, Walocel MT 20.000PV or and agar 0.1-0.3g, water 1 50g and dyestuff 2-3g.
Preferred weight proportion is: dodecyl alcohol 0.8g, the directly black 3g of glycol ether 0.2g, sodium alginate or sodium polyacrylate 0.2g, agar 0.1g, water 150g and dyestuff.
The provided by the invention wiping in the neutral inks, what principle of the selection of each composition and consumption are exactly to lower the perviousness of dyestuff on paper.Allow simultaneously the neutral inks can be again attached on the paper.
Sodium alginate is that raw material is made with the sea-tangle.Polyacrylic acid and sodium salt thereof are one of water treatment agent of polycarboxylic acid the most widely of using at present, and be soluble in water, has good complexing action and dispersing property.Sodium polyacrylate has thickening, emulsification, figuration, multiple function such as expanded, stable, the 15-20 that its viscosity is about CMC, sodium alginate doubly, but the effect of replaced C MC, gelatin, agar, sodium alginate, this product can be used for numerous food as thickening material.Walocel MT 20.000PV has thickening, dispersion, emulsification and filming function.The major function of the used pure and mild glycol ether of dodecyl is to adjust the sticking power of dyestuff to paper.
Because what the present invention used is nontoxic and the low toxicity raw material, therefore the wiped neutral inks toxicity of preparation is little.
Preparing method of wiping neutral inks provided by the invention is: successively with dodecyl alcohol, sodium alginate or/and sodium polyacrylate, Walocel MT 20.000PV dissolves in the water, after stirring fully, all the other raw material glycol ethers, agar and dyestuff 2-3g are added, the total amount of the pure and mild glycol ether of dodecyl is 0.6-1g, the total amount of Walocel MT 20.000PV and agar is 0.1-0.3g, and restir fully gets final product.The viscosity of control printing ink is the 3500-4200 pen core of can packing into.
The neutral inks of wiping provided by the invention has and can wipe the effective and low advantage of toxicity.
Embodiment
Embodiment 1
With 0.8g dodecyl alcohol, sodium alginate 0.2g, agar 0.1g are soluble in water, after 3 hours, put into glycol ether 0.2g and directly black 3g with the stirrer stirring.After fully stirring, get final product.The viscosity of control printing ink is can adorn pen between the 3500-4200.
Claims (3)
1, can wipe neutral inks, its composition weight proportion is: dodecyl alcohol is or/and glycol ether 0.6-1g, sodium alginate or sodium polyacrylate 0.2-0.5g, Walocel MT 20.000PV or agar 0.1-0.3g, water 150g and dyestuff 2-3g.
2, the neutral inks of wiping according to claim 1 is characterized in that dodecyl alcohol 0.8g, the directly black 3g of glycol ether 0.2g, sodium alginate or sodium polyacrylate 0.2g, agar 0.1g, water 150g and dyestuff.
3, preparation can be wiped the method for neutral inks, comprises the steps:
1) with dodecyl alcohol, sodium alginate or/and sodium polyacrylate 0.2-0.5g, Walocel MT 20.000PV dissolves in the water;
2) after stirring fully, all the other raw material glycol ethers, agar and dyestuff 2-3g are added, the total amount of the pure and mild glycol ether of dodecyl is 0.6-1g, and the total amount of Walocel MT 20.000PV and agar is that 0.1-0.3g and restir fully get final product, and the viscosity of control printing ink is the 3500-4200 pen core of can packing into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031247717A CN100360623C (en) | 2003-08-28 | 2003-08-28 | Erasible neutral printing ink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031247717A CN100360623C (en) | 2003-08-28 | 2003-08-28 | Erasible neutral printing ink |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1590475A CN1590475A (en) | 2005-03-09 |
| CN100360623C true CN100360623C (en) | 2008-01-09 |
Family
ID=34597011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031247717A Expired - Fee Related CN100360623C (en) | 2003-08-28 | 2003-08-28 | Erasible neutral printing ink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100360623C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115716939B (en) * | 2022-06-29 | 2024-01-26 | 湖南师范大学 | Sodium alginate-based ink-free photoetching printing paper capable of repeatedly erasing, writing, dissolving and regenerating |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5483523A (en) * | 1977-12-15 | 1979-07-03 | Pentel Kk | Ink composition that can thermally be erased |
| JPS57135878A (en) * | 1981-02-17 | 1982-08-21 | Tonbo Enpitsu:Kk | Erasable ball point pen ink composition |
| US4629748A (en) * | 1982-10-29 | 1986-12-16 | Pilot Man-Nen-Hitsu Kabushiki Kaisha | Erasable ball-point pen ink |
| CN1258703A (en) * | 1998-12-31 | 2000-07-05 | 吴统荣 | Erasable ink |
-
2003
- 2003-08-28 CN CNB031247717A patent/CN100360623C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5483523A (en) * | 1977-12-15 | 1979-07-03 | Pentel Kk | Ink composition that can thermally be erased |
| JPS57135878A (en) * | 1981-02-17 | 1982-08-21 | Tonbo Enpitsu:Kk | Erasable ball point pen ink composition |
| US4629748A (en) * | 1982-10-29 | 1986-12-16 | Pilot Man-Nen-Hitsu Kabushiki Kaisha | Erasable ball-point pen ink |
| CN1258703A (en) * | 1998-12-31 | 2000-07-05 | 吴统荣 | Erasable ink |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1590475A (en) | 2005-03-09 |
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| CF01 | Termination of patent right due to non-payment of annual fee |