CN1159469A - Composition for ink used with water ball-point pens - Google Patents
Composition for ink used with water ball-point pens Download PDFInfo
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- CN1159469A CN1159469A CN96122484A CN96122484A CN1159469A CN 1159469 A CN1159469 A CN 1159469A CN 96122484 A CN96122484 A CN 96122484A CN 96122484 A CN96122484 A CN 96122484A CN 1159469 A CN1159469 A CN 1159469A
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Abstract
The invention provides an ink compound for aqueous ball pen, the ink compound has excellent characteristic of pen cap removal, and can prevent smoothness reduction when enhancing writing speed, and has adequate endurance for external environmental change. The compound contains aqueous medium and water-soluble or water-dispersing colorant, wherein the water as aqueous medium occupies 55-80 percent of total amount of aqueous medium per weight, water-soluble organic solvent which is made of Polyethylene Glycol and Glycol, or Polyethylene Glycol and glycerol, or any one among Polyethylene Glycol, Glycol, and glycerol occupies 5-40 percent of total amount of aqueous medium per weight, the mixed solvent is also added with 0.5-0.6 percent of Xanthan per weight.
Description
The present invention relates to composition for ink used with water ball-point pens.
About ink used with water ball-point pens, general all the requirement has the viscosity of appropriateness and outflow property, and when writing, particularly the occasion that will improve writing speed can not take place that ink interrupts or the writing non-uniform phenomenon and writing the back in a mouth position of aqueous ballpoint pen residual ink dregs etc. not.Also require to have the good cap for brush that takes off in addition, that is to say, both made under the state that removes the cap for brush for a long time and placed, also can write.Also require the metal part in addition, a particularly above-mentioned mouth portion has solidity to corrosion and to the erosion resistance of the prolonged preservation of ink own.
Yet the situation of the ink used with water ball-point pens in past is opposite with above-mentioned every requirement to ink used with water ball-point pens sometimes, is difficult to satisfy whole every requirements.For example,, then when requiring ink itself to have higher tack, then can cause owing to the high viscosity of ink when writing, particularly can take place that ink interrupts or phenomenon such as writing is inhomogeneous in the occasion that improves writing speed if pay attention to taking off the cap for brush.
Therefore, in above-mentioned every requirement that aqueous ballpoint pen is proposed, in order to satisfy conflicting two simultaneously, promptly both improve it and taken off the cap for brush, can prevent simultaneously the interruption of ink when writing and the non-uniform phenomenon of writing again, someone has proposed hydrotropisms's ballpoint pen, and (spy opens clear 59-74175 number with the xanthan gum that adds 0.2～0.45 weight % in the composition for ink, special fair 1-8673 number), similarly, the someone proposes hydrotropisms's ballpoint pen (spy opens clear 62-48777 number with the xanthan gum that adds 0.65～1.20 weight % in the composition for ink, special fair 6-74395 number) etc. scheme.This xanthan gum has very big influence to the height of composition for ink viscosity.Open under the situation that in composition for ink, adds 0.2～0.45 weight % xanthan gum that proposes for clear 59-74175 number the spy,, be subjected to outside atmosphere easily or from the stress influence of outside though can make the viscosity reduction of ink itself.That is to say that a ballpoint pen that uses this ink, when for example placing, the ink that is contained in the ballpoint pen can down flow out from the slit between the mouth of the steel ball of nib and this steel ball of maintenance down in the environment of high temperature, high humidity.Perhaps when ballpoint pen itself falls ground, because the impact that produces causes being contained in the interior ink of ballpoint pen from disadvantages such as the slit between a steel ball and the mouth spill.
In addition, open the occasion that in composition for ink, adds 0.65～1.20 weight % xanthan gum that proposes for clear 62-48777 number the spy, can improve the viscosity of ink itself, so really, can overcome and resemble when the spy opens in clear 59-74175 number hydrotropisms's ballpoint pen of proposing and adds 0.2～0.45 weight % xanthan gum in composition for ink owing to the viscosity of ink own is crossed the low disadvantage of bringing, but, because the content of the xanthan gum of 0.65～1.20 weight % improves significantly, make the viscosity of ink itself also increase thereupon, when writing, can not successfully supply ink, thereby cause when accelerating writing speed, taking place the uneven problem of writing to the steel ball that remains on a mouth position.
Be stranded this, the objective of the invention is to provide a kind of various shortcomings that can overcome above-mentioned existing ink, when the cap for brush was taken off in raising, ink interrupted or the writing non-uniform phenomenon in the time of can also preventing to write, and can provide the ink of the ballpoint pen with good fluent writing and slick and sly person's handwriting to the user.
To achieve the above object, composition for ink used with water ball-point pens of the present invention is in the composition for ink that contains aqueous medium and water-soluble or water dispersible tinting material, relative aqueous medium total amount, contain water 55～80 weight % as aqueous medium, by polyoxyethylene glycol and ethylene glycol the two, perhaps polyoxyethylene glycol and glycerol the two, perhaps water-miscible organic solvent 5～40 weight % of any composition among polyoxyethylene glycol, ethylene glycol, the glycerol, and in this mixed solvent, be added with xanthan gum 0.5～0.6 weight %.
According to embodiment of the present invention, composition for ink used with water ball-point pens wherein has following composition, promptly, in the composition for ink that contains aqueous medium and water-soluble or water dispersible tinting material, with respect to the aqueous medium total amount, contain water 55～80 weight % as aqueous medium, by polyoxyethylene glycol and ethylene glycol the two, perhaps polyoxyethylene glycol and glycerol the two, perhaps water-miscible organic solvent 5～40 weight % of any composition among polyoxyethylene glycol, ethylene glycol, the glycerol, and in this mixed solvent, be added with xanthan gum 0.5～0.6 weight %.According to this formation, can make the viscosity appropriateness of the composition for ink in the intravital ink storage tube of ballpoint pen shell, stored, thereby can prevent owing to the low reason of the viscosity of ink itself is caused, when environmental changes such as temperature, humidity, perhaps since the ink that external stress caused of drop impact etc. spill, on the other hand, can overcome because the remarkable high viscosity of ink is caused, because disadvantage such as the fluency of ink when steel ball under-supply causes writing reduces and writing is inhomogeneous during in the quickening writing speed.
Below by illustrated embodiment the present invention is described.Wherein, (1) is to use the aqueous ballpoint pen of the composition for ink used with water ball-point pens of the embodiment of the invention, the ballpoint pen housing (7) that this aqueous ballpoint pen (1) is combined into one by ink storage tube (2) and with this ink storage tube (2) constitutes, said ink storage tube (2) is used for ink reservoir composition (3), have at the front end of this storage tube (2) and to be used to keep steel ball (4), be used to prevent that the adverse current that composition for ink (3) spills from preventing portion (6) and have in the rear end of this storage tube (2) so that directly contact with paper etc. and the mouth (5) write.In addition, also can use aqueous ballpoint pen (1 ') as shown in Figure 2, this ballpoint pen (1 ') is by ballpoint pen housing axial region (8) and be in its inner ink reservoir (9) and be used to push that the spring (10) of this ink reservoir (9) rear end is common constitutes, front end in ink reservoir (9) has a mouth (5) that is used to keep steel ball (4), and this ballpoint pen (1 ') has the more structure of change-fountain pen mouth (5) and ink reservoir (9).
The composition for ink of being stored in being in ballpoint pen housing (7) and in the storage tube (2) integral with it (3) is a kind of aqueous medium and composition for ink water-soluble or the water dispersible tinting material of containing.And this composition for ink contains following composition: 55～80 weight % that account for the aqueous medium total amount as the water of aqueous medium, and by polyoxyethylene glycol and ethylene glycol the two, perhaps polyoxyethylene glycol and glycerol the two, perhaps the organic solvent of any composition among polyoxyethylene glycol, ethylene glycol, the glycerol accounts for 5～40 weight % of aqueous medium total amount, and adds xanthan gum 0.5～0.6 weight % in above-mentioned mixed solvent.
In addition, in the used composition for ink (3) in an embodiment of the present invention,, can enumerate water dispersible pigment or water-soluble dye as water-soluble or water dispersible tinting material, said water-soluble dye has matching stain, substantive dyestuff and basic dyestuff etc., can optionally select for use among them.That is to say that as the object lesson of tinting material, what belong to water dispersible pigment has: titanium oxide, carbon black, carmine 6B, C.I. Pigment Red 112, C.I. Pigment blue-15 and C.I. pigment Green 7 etc.; What belong to matching stain has: Rhizoma Acori Calami #21 (mixture of C.I.15985, C.I.42090, C.I.42640), Ai Jian eosin CHB (C.I.45380), soluble blue-OBX (C.I.42780) and gorgeous indigo plant-FCF (C.I.42090) etc.; What belong to substantive dyestuff has: Rhizoma Acori Calami 100L (C.I.35255), direct deep black EX (C.I.30235), direct fast black B (C.I.35435), big Ai Kedeng fast orange W.S (C.I.29156), sun blue-2B (C.I.22610), direct sky blue-5B (C.I.24400), Japanese orange GG コ Application Network (C.I.23375) etc.; What belong to basic dyestuff has; Auramine O (C.I.41000), victoria blue-FB (C.I.44045), Ai Jian Victoria ethereal blue-BOH (C.I.42595), methyl violet FN (C.I.42535), rhodamine 6G CP (C.I.45160), Victoria Green WPB (C.I.42000) etc.
In this composition for ink (3), can contain additive as required, specifically, can contain: polyoxyethylene glycol oil ether, polyethylene glycol nonylphenyl ether, polyoxyethylene glycol polypropylene glycol ether, 2,4,7,9-tetramethyl--5-decyl-4, nonionic surface active agent such as the oxyethane additive of 7-glycol; Aniorfic surfactant such as naphthalenesulfonateformaldehyde formaldehyde water condenses, dialkyl sulfosuccinate succinate or its sodium salt, perfluoroalkyl oxyethane additive; Sanitass such as potassium sorbate, Sodium Benzoate, sodium pentachlorophenol, Sodium dehydroacetate; PH such as sodium hydroxide, yellow soda ash, trolamine adjust agent; Rust-preventive agent such as benzotriazole, azimido-toluene, cyclohexyl ammonium nitrate etc.
Because having as above, the composition for ink used with water ball-point pens (3) in the embodiment of the invention constitutes, so viscosity appropriateness of this composition for ink (3), thereby can prevent to resemble when xanthan gum contains quantity not sufficient 0.5 weight %, low the causing of viscosity owing to composition for ink (3) itself in temperature, the phenomenon that caused composition for ink (3) spills in the ink storage tube (2) during environmental changes such as humidity or when being subjected to external stresses such as drop impact, also can overcome simultaneously and resemble when xanthan gum content surpasses 0.6 weight %, owing to significantly increasing, the viscosity of composition for ink (3) cause ink the handwriting is blurred fluency of Denging when under-supply caused the writing of steel ball (4) poor, disadvantage such as writing is inhomogeneous when accelerating writing speed.
Therefore, in order to confirm effect of the present invention, enumerate the embodiment 1～6 that contains the composition for ink of said aqueous medium and water-soluble or water dispersible tinting material among the present invention, wherein, account for 55～80 weight % of aqueous medium total amount as the water of water-soluble medium, polyoxyethylene glycol and ethylene glycol the two, perhaps polyoxyethylene glycol and glycerol the two, perhaps polyoxyethylene glycol, ethylene glycol, the water-miscible organic solvent of any composition accounts for 5～40 weight % of aqueous medium total amount in the glycerol, in addition, in above-mentioned mixed solvent, add the xanthan gum (concrete composition and content see Table 1) of 0.5～0.6 weight % scope, with these embodiment, the xanthan gum that gives interpolation is the comparative example (concrete composition and content see Table 2) of 0.2 weight % (comparative example 1) and 2.0 weight % (comparative example 2), has carried out ink leakage in view of the above, ink outflow property, writing drying property and shatter test.It the results are shown in the table 3.
Estimate according to method as follows particularly about ink leakage, ink outflow property, writing drying property and shatter test.That is to say, be by normal writing speed about the test of ink leakage, and whether investigation composition for ink (3) spills from the front end of the mouth (5) of ink storage tube (2).Excurrent test is that a mouth (5) of ink storage tube (2) is placed down about ink, steel ball (4) in remaining in a mouth (5) with under other object state of contact was not placed 2 months in room temperature, judged the excurrent quality of ink when writing then.That is to say that ink does not leak from the front end of a mouth when writing, and writes good situation as zero, so that ink leakage to take place, ink flow out the conduct of over-drastic situation *, interrupt as △ sometimes with ink.In addition, be after writing (0) on a kind of paper of top quality about the test of writing drying property, measure it and reach the required time of touch dry, with below 50 seconds as zero, 5 1～75 second as △, conduct more than 76 seconds *.About shatter test is to make ballpoint pen (1) height from 1m drops on the China fir plate under the state of the cap for brush having worn, whether investigate ink then spills, not have situation that ink spills from a mouth as zero, have ink to spill with a mouth as △, with a situation that mouth generation ink significantly spills as *.These test-results show, be added with the embodiment of the composition for ink used with water ball-point pens of the present invention (3) of 0.5～0.6% xanthan gum, shown in ink leakage, ink outflow property, writing drying property and shatter test several respects to have obtained excellent results all, therefore can confirm effect of the present invention fully.Opposite with the situation of the embodiment of the invention, can confirm that comparative example does not have good experimental result.That is to say, be the occasion of the comparative example 1 of 0.2 weight % at the xanthan gum addition, and the viscosity of composition for ink (3) is low excessively, the leakage of ink is remarkable, the outflow of at room temperature placing ink after 2 months is also excessive, and the drying property of writing is poor, and is inferior to the weather resistance of shatter test.In addition, at the xanthan gum addition is the occasion of the comparative example 2 of 2.0 weight %, the viscosity of composition for ink (3) is too high, though the ink leakage phenomenon does not take place, but when at room temperature placing the outflow of test ink after 2 months, the disruption of ink takes place, and the drying property of writing is also inferior.And can judge that comparative example 2 practicability own are had any problem.
Table 1
Table 2
Table 3
| Ink leakage | Ink outflow property | The writing drying property | Shatter test | |
| Embodiment 1 | ????○ | ????○ | ????○ | ????○ |
| ??????2 | ????○ | ????○ | ????○ | ????○ |
| ??????3 | ????○ | ????○ | ????○ | ????○ |
| ??????4 | ????○ | ????○ | ????○ | ????○ |
| ??????5 | ????○ | ????○ | ????○ | ????○ |
| ??????6 | ????○ | ????○ | ????○ | ????○ |
| Comparative example 1 | ????× | Flow out excessively | ????× | ????× |
| ??????2 | ????○ | Ink interrupts | ????△ | ????○ |
When table 1 is illustrated in tests such as carrying out ink leakage, the composition and the content thereof of embodiments of the invention 1 to 6;
When table 2 was illustrated in tests such as carrying out ink leakage, composition in the comparative example 1 and 2 and content thereof were to the ratio of each component content in the embodiment of the invention 1 to 6.
Result and evaluation thereof that table 3 obtains when being illustrated in tests such as carrying out ink leakage.
In sum, the present invention is a kind of aqueous medium and composition for ink water-soluble or the water dispersible tinting material of containing, in said composition, account for 55～80 weight % of aqueous medium total amount as the water of aqueous medium, by polyoxyethylene glycol and ethylene glycol the two, perhaps polyoxyethylene glycol and glycerol the two, perhaps the water-miscible organic solvent of any composition accounts for 5～40 weight % of aqueous medium total amount in polyoxyethylene glycol, ethylene glycol, the glycerol, constitute mixed solvent by above-mentioned substance, in this solvent, be added with the xanthan gum of 0.5～0.6 weight %.According to above-mentioned composition, can moderately adjust the viscosity of composition for ink itself, thereby it is good to cause it to take off the cap for brush, ink interruption and the uneven disadvantage of writing can not take place yet even improve writing speed, smooth level and smooth when writing, do not produce phenomenons such as ink dregs, the excellent in stability of preservation when writing at a mouth.In addition, for being the outside atmosphere of representative with the temperature and humidity or the mechanical load that causes such as falling and have enough weather resistance, can provide the ink used with water ball-point pens that is highly profitable to the user.
Fig. 1 is the whole sectional view of the aqueous ballpoint pen of the embodiment of the invention;
Fig. 2 is the whole sectional view of the aqueous ballpoint pen of another embodiment of the present invention;
In Fig. 1 to Fig. 5,
1. aqueous ballpoint pen
2. ink storage tube
3. composition for ink used with water ball-point pens
4. steel ball
5. a mouth
6. adverse current prevents portion
7. ballpoint pen housing
8. ballpoint pen housing axial region
9. ink reservoir
10. spring
Claims (1)
1. composition for ink used with water ball-point pens, wherein contain aqueous medium and water-based or water dispersible tinting material, it is characterized in that, in said composition, account for 55～80 weight % of aqueous medium total amount as the water of aqueous medium, by polyoxyethylene glycol and ethylene glycol the two, perhaps polyoxyethylene glycol and glycerol the two, perhaps the water-miscible organic solvent of any composition among polyoxyethylene glycol, ethylene glycol, the glycerol accounts for 5～40 weight % of aqueous medium total amount, and is added with the xanthan gum of 0.5～0.6 weight % in above-mentioned mixed solvent.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP334261/95 | 1995-11-30 | ||
| JP33426195A JPH09151355A (en) | 1995-11-30 | 1995-11-30 | Water-based ink composition for ball-point pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1159469A true CN1159469A (en) | 1997-09-17 |
Family
ID=18275371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96122484A Pending CN1159469A (en) | 1995-11-30 | 1996-10-15 | Composition for ink used with water ball-point pens |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH09151355A (en) |
| CN (1) | CN1159469A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114867798A (en) * | 2019-12-24 | 2022-08-05 | 三菱铅笔株式会社 | Water-based ink composition for ballpoint pen |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4723717B2 (en) * | 1999-11-05 | 2011-07-13 | 株式会社サクラクレパス | Water-based ink for ballpoint pens |
| US6325845B1 (en) | 1999-11-05 | 2001-12-04 | Sakura Color Products Corporation | Aqueous ink for ball point pens |
| JP2007246825A (en) * | 2006-03-17 | 2007-09-27 | Pilot Ink Co Ltd | Water-based ink composition for ball-point pen and ball-point pen containing the same |
| JP5475943B2 (en) * | 2007-08-07 | 2014-04-16 | パイロットインキ株式会社 | Water-based ink composition for ballpoint pen and ballpoint pen containing the same |
-
1995
- 1995-11-30 JP JP33426195A patent/JPH09151355A/en active Pending
-
1996
- 1996-10-15 CN CN96122484A patent/CN1159469A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114867798A (en) * | 2019-12-24 | 2022-08-05 | 三菱铅笔株式会社 | Water-based ink composition for ballpoint pen |
| CN114867798B (en) * | 2019-12-24 | 2023-10-20 | 三菱铅笔株式会社 | Ink composition for water-based ballpoint pen |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09151355A (en) | 1997-06-10 |
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