CN101016429A

CN101016429A - Erasable neutral ink and application of the same in erasable neutral pen

Info

Publication number: CN101016429A
Application number: CN 200610002092
Authority: CN
Inventors: 张莹; 李刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-01-25
Filing date: 2006-01-25
Publication date: 2007-08-15
Anticipated expiration: 2026-01-25
Also published as: CN101016429B

Abstract

The invention discloses a compositing dispense of erasable neutral ink, which includes: 3-4% color, 0.5-1.5% thickener, 0.1-2% antibacterial agent, 0.5-2% surface activator, 0.2-0.8% pH value stabler and diluent surplus and application of this ink to erasable neutral pen.

Description

Can wipe Neutral writing ink and its in the application that can wipe in the gel ink pen

Technical field:

The present invention relates to a kind of Neutral writing ink of wiping, and this Neutral writing ink is in the application that can wipe in the gel ink pen.

Background technology:

Hard-tipped writing instrument instrument in the market mainly can be divided into pencil, pen, ballpoint pen and gel ink pen etc., wherein, except that the writing that pencil is write can be embrocated the modification with rubber, writing that other writing implement is write all is difficult for revising, although there has been the liquid opaque of paint property cover type to can be used for the writing of pen, ballpoint pen and gel ink pen is covered at present, but because the color and the paper of its paint film are variant, and its paint film has certain thickness, making has riddled with gaping wounds sensation with the amended file of liquid opaque, very not attractive in appearance.The student is students in middle and primary schools particularly, press for a kind of can doing the homework, and can dash out writing after wrongly writing with simple word erasing pen again, and remodify and do not stay the pen of revising vestige.

Gel ink pen is at present domestic and international a kind of novel writing implement of popular, because it has many high-performances, and is widely used.As everyone knows, ballpoint pen and gel ink pen are being visibly different aspect the prescription of printing ink, the writing medium of ballpoint pen is a butyrous, writing medium be water-based be called aqueous ballpoint pen (aqueous ink water-color paintbrush), the viscosity of the writing medium of gel ink pen is then between the centre of ballpoint pen and free ink pen.Chinese invention patent ublic specification of application CN 1210875 A disclose a kind of erasability printing ink, but this printing ink is used for the erasability ballpoint pen.Chinese invention patent ublic specification of application CN 1565863 A then disclose the application of a kind of erasability printing ink in neutral erasable pen, the any concrete prescription of China ink but the not concrete openly neutrality of this application can be polished does not provide the using method and the effect of any this neutral erasable pen yet.

The purpose of this invention is to provide a kind of prescription and preparation thereof of Neutral writing ink of erasability.This ink can be used for writing smoothly in the gel ink pen, can dash out writing after wrongly writing with simple word erasing pen again, and remodifies and do not stay the modification vestige.Promptly can satisfy the needs of vast student written industry, also can be used for the field that other relevant needs are often altered writing.

Summary of the invention:

Technical scheme of the present invention is, a kind of Neutral writing ink of wiping, and its prescription consists of: pigment 3-4%, thickening material 0.5-1.5%, antiseptic-germicide 0.1-2%, tensio-active agent 0.5-2%, pH value stablizer 0.2-0.8%, thinner surplus.

Specifically scheme is, a kind of Neutral writing ink, and its prescription consists of: pigment 3.5%, thickening material 1%, polyquaternium antiseptic-germicide 1%, tensio-active agent 1%, pH value stablizer (sodium bicarbonate) 0.8%, thinner (mixed solution of water, ethanol, propyl carbinol) 92.7%.

The invention further relates to and wipe in the pen core that Neutral writing ink is poured into gel ink pen the application that is applied to wipe gel ink pen above-mentioned.

Detailed description of the invention:

Under the situation that does not add explanation, all proportions is according to weight ratio among the application.

Wherein pigment is water-soluble pigment, for example blue ink.

Thickening material is the various thickening materials that can be used for the gel ink pen ink, for example sodium bentonite, starch, xanthan gum etc.

Antiseptic-germicide is any to be applicable to the reagent gel ink pen ink, that play antibiotic or anti-corrosion function.Antiseptic-germicide comprises phenol, polyquaternium or Sodium Benzoate etc.

Thinner adopts aqueous polar solvent, and as main solvent, all are can be with water miscible and have the polar solvent and all can be used as other solvent with water, and for example other solvent can be ethanol, propyl carbinol, ethylene glycol, glycerol or the like.Other solvent can mix with water separately or with any blended form.For example can adopt the mixed solution of water and ethanol or propyl carbinol, with the mixed of 90-99: 10-1, for example 99 parts of water are sneaked into 1 part of ethanol or propyl carbinol.

Tensio-active agent can be a nonionogenic tenside, for example the fatty acid ester of polyvalent alcohol, sugar high-grade aliphatic ester and alkyl phosphate, anion surfactant, the for example alkylsulfonate of higher fatty acid amides and alkylaryl sulfonate, preferred surfactant is the higher fatty acid polyol ester.

The pH value stablizer is any pH value stablizer that can be used for the gel ink pen ink, for example, can use ammoniacal liquor, sodium hydroxide, sodium bicarbonate, KOH or sodium ethylate or the like.Several stablizers can be used in combination.Its consumption can be decided according to the needs of last adjustment pH value.

The concrete process for preparation of wiping Neutral writing ink of the present invention is as follows:

1, thickening material is dissolved in the water, stirs, add pigment then, fully stirred one hour, form latex solution with stirrer.

2, latex solution is warmed to 40 ℃, adds ethanol to it in the time of stirring, ammoniacal liquor, the thinner that tensio-active agent etc. are formed mixes and stirred 0.5-1 hour, stops to stir, and leaves standstill.Form ink slurry just.

3, remainder water is joined in the first ink slurry, regulating pH value with sodium bicarbonate then is 7.

The printing ink of gained is ground several times with three roller ink grinding mills, make granularity reach 5-9 μ m, obtain final printing ink.

Prescription of the present invention consists of the contriver and gropes for many years to manufacture experimently repeatedly and obtain, and can reach with alkaline aqueous solution or the liquid opaque that contains reductive agent to wipe the purpose that leaves no trace easily.And compare with other commercially available Neutral writing inks, have and do not corrode the metal pen head, write unblockedly, the quality guaranteed period, pull-out capacity was good on any paper more than 18 months, no seepage and no leakage, the characteristics that write smoothly etc.This Neutral writing ink can be applicable to the gel ink pen of domestic production, makes can wipe Neutral ball-point for ball-point pen and can wipe gel ink pen, satisfies the demand in market.

The present invention is described in detail below by specific embodiment.But the present invention is not limited to these specific embodiments.

Embodiment 1:

(1), reagent selects: blue ink, select homemade famous brand blue ink pigment for use, thickening material is selected xanthan gum for use, tensio-active agent is selected nonionic surface active agent higher fatty acid polyol ester for use; The pH value stablizer is selected ammoniacal liquor and sodium bicarbonate for use, and antiseptic-germicide is selected polyquaternium for use.

(2), compositing formula: blue ink 3.5%, thickening material 1%, polyquaternium antiseptic-germicide 1%, tensio-active agent 1%, pH value stablizer 0.8%, surplus is thinner 92.7% (90: 10 a mixed solution of water and ethanol).

(3), compound method: (is example to prepare 100 gram inks)

A. thickening material is dissolved in the 20 gram water, stirs, add 3.5 gram Pigment blue inks then, fully stirred one hour, form latex solution with stirrer.

B. latex solution is warmed to 40 ℃, adds ethanol to it in the time of stirring, ammoniacal liquor, tensio-active agent, antiseptic-germicides etc. mix and stir 45 fens kinds, stop to stir, and leave standstill 5 minutes.Form ink slurry just.

C. remainder water is joined in the first ink slurry, regulating pH value with sodium bicarbonate then is 7.

Embodiment 2:

(1), reagent selects: blue ink, select homemade famous brand blue ink pigment for use, thickening material is selected xanthan gum for use, tensio-active agent is selected the nonionic surface active agent polyoxyethylene glycol for use; The pH value stablizer is selected ammoniacal liquor and sodium hydroxide for use, and antiseptic-germicide is selected Sodium Benzoate for use.

(2), compositing formula: blue ink 3.2%, thickening material 1.2%, antiseptic-germicide Sodium Benzoate 1%, tensio-active agent 1%, pH value stablizer 0.5%, surplus is thinner 93.1% (95: 5 a mixed solution of water and propyl carbinol).

(3), compound method: (is example to prepare 100 gram inks)

C. thickening material is dissolved in the 20 gram water, stirs, add 3.2 gram pigment then, fully stirred one hour, form latex solution with stirrer.

B. latex solution is warmed to 40 ℃, adds the propyl carbinol thinner to it in the time of stirring, ammoniacal liquor, tensio-active agent, antiseptic-germicide etc. mix and stir 50 fens kinds, stop to stir, and leave standstill 10 minutes.Form ink slurry just.

C. remainder water is joined in the first ink slurry, regulating pH value with sodium hydroxide then is 7.

The prepared ink of the present invention can be poured in the pen core of gel ink pen according to ordinary method, and makes and can wipe gel ink pen.The gel ink pen wiped that makes with ink of the present invention has good writing quality, writes smoothly, and along sliding, does not drip China ink, does not stop up, and does not flood, and can satisfy normal writing function fully.And containing the word that the gel ink pen wiped that ink makes writes out with this, the available modification pen that contains buck or reductive agent composition is altered, and leaves no trace.Can satisfy the student fully and when doing the homework, revise and leave no trace, attractive in appearance and demand easily.

Claims

1. can wipe Neutral writing ink for one kind, its prescription consists of: pigment 3-4%, thickening material 0.5-1.5%, antiseptic-germicide 0.1-2%, tensio-active agent 0.5-2%, pH value stablizer 0.2-0.8%, thinner surplus.

2. according to the Neutral writing ink wiped of claim 1, its prescription consists of: pigment 3.5%, thickening material 1%, antiseptic-germicide 1%, tensio-active agent 1%, pH value stablizer 0.8%, thinner surplus.

3. according to the Neutral writing ink wiped of claim 1, wherein pigment is blue ink.

4. according to the Neutral writing ink wiped of claim 1, wherein thickening material is an xanthogenic acid.

5. according to the Neutral writing ink wiped of claim 1, wherein antiseptic-germicide is Sodium Benzoate, polyquaternium.

6. according to the Neutral writing ink wiped of claim 1, wherein the pH value stablizer is ammoniacal liquor, sodium hydroxide or sodium bicarbonate or their mixture.

7. according to the Neutral writing ink wiped of claim 1, wherein thinner is the mixture of water and ethanol or propyl carbinol.

8. according to the Neutral writing ink wiped of claim 7, wherein thinner is that the volume ratio of water and ethanol or propyl carbinol is the mixture of 90-99: 10-1.

According to each the Neutral writing ink wiped of claim 1-8 in the application that can wipe in the gel ink pen.