WO1994017146A1 - Water color ink having metallic luster for ball-point pens - Google Patents

Water color ink having metallic luster for ball-point pens Download PDF

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Publication number
WO1994017146A1
WO1994017146A1 PCT/JP1994/000108 JP9400108W WO9417146A1 WO 1994017146 A1 WO1994017146 A1 WO 1994017146A1 JP 9400108 W JP9400108 W JP 9400108W WO 9417146 A1 WO9417146 A1 WO 9417146A1
Authority
WO
WIPO (PCT)
Prior art keywords
ink
viscosity
water
parts
aluminum powder
Prior art date
Application number
PCT/JP1994/000108
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Hiroshi Miyashita
Sachiko Matsuda
Eiichi Okabe
Original Assignee
Pentel Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP12835093A external-priority patent/JP3161161B2/ja
Application filed by Pentel Kabushiki Kaisha filed Critical Pentel Kabushiki Kaisha
Priority to GB9418640A priority Critical patent/GB2280448B/en
Priority to KR1019940703390A priority patent/KR100309197B1/ko
Publication of WO1994017146A1 publication Critical patent/WO1994017146A1/ja

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/16—Writing inks
    • C09D11/18—Writing inks specially adapted for ball-point writing instruments

Definitions

  • the present invention relates to a water-based glossy metal ink for a ballpoint pen that uses aluminum powder as a coloring material and can obtain a handwriting of a metallic color such as gold or silver.
  • the present invention relates to an aqueous metallic glossy ink for ballpoint pens that prevents sedimentation, has good ink dischargeability, and enables continuous writing. Background technology
  • JP-B-62-37678-JP-B1-561009 An ink for a marking pen using aluminum powder as a metal powder pigment is described in JP-B-62-37678-JP-B1-561009.
  • Japanese Patent Publication No. 62-37 '6778 discloses that a metal powder pigment such as aluminum powder, an oil-soluble dye, a resin, and a solvent are used, and the surroundings of the handwriting formed by the metal powder pigment.
  • a double-colored ink composition in which a dye permeates and diffuses to produce an outline effect.
  • Japanese Patent Publication No. 56-1609 discloses that a fine metal powder such as a surface-treated aluminum powder, a resin, and a solvent have a smooth ink flowing out of a marking pen.
  • a metal gloss ink for a marking ben which is easy to disperse when used.
  • the ink for a marking pen described in the above publication has a relatively low viscosity, it is impossible to prevent sedimentation and separation of aluminum powder in the ink.
  • these inks have a form in which a stirring member such as a metal ball is housed in the ink holding chamber as a writing implement, and the writing implement is shaken at the time of use to re-disperse the settled metal powder pigment. It cannot be used unless it is something.
  • Japanese Patent Application Laid-Open No. Sho 60-1866573 discloses that a solvent, a viscous resin soluble in the solvent, a metal powder pigment and a coloring pigment are each contained in at least a required amount, and An ink that gives a metallic color having a high viscosity higher than a required value is disclosed.
  • the ink is described as having a high viscosity and low sedimentation of metal pigments, making it suitable for use in pressurized ballpoint pens.
  • Japanese Patent Publication No. Sho 644-4551 discloses a gelled ink.
  • Japanese Patent Application Laid-Open No. H11-210478 discloses resin, aluminum An aqueous metallic glossy ink is disclosed, in which an acetylene alcohol derivative is added as an additive to an ink main component consisting of mum paste and water to prevent coating stains due to pinholes.
  • the inks described in Japanese Patent Publication No. Sho 62-37678, Japanese Patent Publication No. Hei 1-56109, and Japanese Patent Publication No. Sho 60-18673 are oil-based.
  • the ink compositions described in JP-B-62-37678 and JP-B-I-56-109 are intended for use with a marking pen. is there.
  • the marking pen is one in which a stirring member such as a metal ball is stored in the ink storage chamber as described above, and the writing implement is shaken when used to re-disperse the settled aluminum powder. is there. That is, in these ink compositions for marking pens, aluminum powder is precipitated in a short time.
  • the ink described in the above-mentioned Japanese Patent Application Laid-Open No. 60-1866583 is used for a ball-point pen having a pressurized structure, and is provided with an ink storage chamber formed of a hollow cylindrical body that can be written at atmospheric pressure.
  • the ink disclosed in Japanese Examined Patent Publication No. 6-45551 is also an oil-based ink, and the ink is non-fluid as disclosed in the publication, and the ball at the tip of a ballpoint pen is used. Although the ink is turned into a sol and discharged by the rotation of the ink, it is difficult to write continuously, and there is a problem in practical use.
  • the ink described in Japanese Patent Application Laid-Open No. 1-210478 is intended to prevent coating dirt from being caused by pinholes, and is intended as a ballpoint pen ink. No characteristics were disclosed at all.
  • the object of the present invention is to use aluminum powder as a coloring material, prevent deterioration of the ink such as sedimentation of the aluminum powder even when stored for a long period of time, and have good ink dischargeability to enable continuous writing.
  • the purpose of the present invention is to provide a water-based glossy ink for ballpoint pens.
  • the present invention includes at least aluminum powder, a natural polysaccharide for thickening or a derivative thereof, a water-soluble organic solvent, and water, and has a viscosity of 100 to 150 Boys (ST of E-type viscometer). Rotor, lrpm, 25 ° C) and the ratio of lrpm viscosity to lOrpm viscosity (ST rotor of E-type viscometer, 25 ° C), ie [1 rpm viscosity / / 10 rpm Is 3.0 or more. Aqueous metallic glossy ink for ballpoint pens. BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail.
  • the aluminum powder used in the present invention is used as a pigment for imparting metallic luster to handwriting.
  • Scaly ones are particularly preferred because they show a more vivid metallic luster.
  • Aluminum powder can be obtained by a stamping method in which a piece of aluminum is crushed with a stamping mill together with a lubricant such as stearic acid, or an aluminum powder, a lubricant and an appropriate liquid obtained by an injection method. Is put into a drum together with a hard sphere, and the drum is rotated to crush aluminum pieces by a ball mill method or the like.
  • Aluminum powder is available as a commercial product, but commercial products in the form of aluminum paste are also readily available.
  • Aluminum paste is made by grinding and polishing aluminum metal powder in a ball mill containing a high-boiling petroleum solvent (mineral spirit) and a lubricant such as stearic acid. Since it is made of scale-like aluminum fine particles, there is little danger of ignition and explosion, storage stability is good, and it is easy to handle in use.
  • the amount of aluminum powder used is preferably 3 to 15% by weight based on the total amount of the ink. If the content is less than 3% by weight, an effective metal light can not be imparted to the handwriting. If the content exceeds 15% by weight, the solid content increases and the fluidity of the ink decreases. There is a tendency that the discharge performance of the ink is deteriorated.
  • the average particle size of aluminum powder is preferably 5 to 30 m. New When the average particle size is less than 5 m, the metallic luster of the handwriting is reduced, and the handwriting tends to be unclear. When the average particle size is more than 30 m, the ink is not applied to the pen tip of a dimension conventionally used as a ballpoint pen. Dispensing is low and difficult to apply.
  • Aluminum pastes include “Super Fine No. 222 WN” and “Super Fine No. 180 OWN” (above, Daiwa Metal Powder Co., Ltd.) And “WB 0230” (trade name of Toyo Aluminum Co., Ltd.).
  • Aluminum powders include “AA12”, “No. 900”, and “No. 180000” (all trade names manufactured by Fukuda Metal Foil & Powder Co., Ltd.). There are commercial products such as.
  • Natural polysaccharide or its derivative for viscosity is used to prevent sedimentation of aluminum powder and to obtain appropriate viscosity physical properties as ink for ball-bending, but aluminum powder is used in aqueous ink. It is necessary to select one that has the property that its effect is not reduced even when used together.
  • Specific examples include guar gum of seed polysaccharide, locus bean gum and derivatives thereof, xanthan gum of microbial system, carrageenan of seaweed polysaccharide, alginic acid and derivatives thereof, and tarragant gum of resin polysaccharide. can do.
  • microbial xanthan gum has excellent physical properties even after being stored for a long period of time, and is excellent with little deterioration in writing and handwriting quality as a ballpoint pen.
  • a water-soluble resin generally used to prevent sedimentation of the pigment and adjust the viscosity of the ink
  • cellulosic Polyoxyethylene and the like tend to increase or decrease in viscosity due to gelling, hydrolysis, or partial insolubilization due to the action of aluminum ions. Due to the ionic bond between the side chain dalcuronic acid and the aluminum ion, the viscosity slightly increases, and the viscosity stability can be maintained even after long-term storage. It is because it can suppress.
  • the amount of natural polysaccharide or its derivative used is based on the total amount of ink.
  • Preferably it is 0.7 to 2.0% by weight. If the amount used is less than 0.7% by weight, sedimentation of the aluminum powder is liable to occur. If the amount exceeds 2.0% by weight, the viscosity and physical properties of the ink cause a problem. Ink discharge tends to be poor.
  • the water-soluble organic solvent is used for various qualities as an ink for ball pens, for example, for preventing ink from drying at the pen tip and preventing ink from freezing at low temperatures.
  • glycols such as ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, polyethylene glycol, 1,3-butylene glycol, thiodiethylene glycol, and glycerin; Ethylene glycol monomethyl ether, diethylene glycol monomethyl ether, 2-pyrrolidone, triethanolamine and the like can be used alone or in combination. Its use amount is preferably 5 to 40% by weight based on the total amount of the ink.
  • the aqueous metallic glossy ink for ball vanes of the present invention has a viscosity
  • the aqueous metallic glossy ink for a ballpoint pen of the present invention basically comprises the above-mentioned components and physical properties, but can take various embodiments.
  • aluminum powder and a conventionally known water-soluble dye such as an acidic dye, a basic dye, or a direct dye can be used as a coloring material in order to make a handwriting a colored metallic glossy color.
  • Acid dyes include C.I. Acid Yellow 1 23, C.I. Acid Red 52, C.I. Food Yellow 3, C.I. Acid Blue 1, and the like.
  • sex dyes include C.I. Basic Blue 7 and C.I. Basic Red 1.
  • Direct dyes include I. Direct Blue 86 and C.I. 6 and C.I. direct orange 8.
  • the amount used is preferably 5 to 20% by weight based on the total amount of the ink.
  • the amount of inorganic salts in the ink must be set to 0.5% by weight or less based on the total amount of the ink. There is. If the amount of inorganic salt in the ink is more than 0.5% by weight, When the aluminum powder is stored for a long period of time, the aluminum powder in the ink deteriorates, the metallic luster does not appear in the handwriting, the handwriting discolors, and the aluminum powder aggregates together, resulting in aluminum The powder settles out.
  • the content of the inorganic salt in the water-soluble dye which is a main factor of the incorporation of the inorganic salt into the ink, should be reduced. Is an effective means.
  • a method of washing a commercially available dye in an aqueous hydrochloric acid solution, or a method of dissolving a commercially available dye in water and adding hydrochloric acid to the precipitate to precipitate the dye Or a method using a dye obtained by dissolving a commercially available dye in an organic solvent, filtering, and then drying the filtrate.
  • an anionic or nonionic surfactant can be used in combination.
  • aluminum paste as described above it is particularly preferable to use polyoxyethylene alkylamine as the surfactant.
  • a lipophilic substance such as a higher fatty acid such as stearic acid
  • the lipophilic substance is converted to a powder of aluminum powder by the action of a surfactant. Easily detached from the surface. As a result, the aluminum powder reacts with the water to alter the aluminum powder.
  • polyoxyethylene alkylamine when used as the surfactant, the above-mentioned phenomenon of deterioration of the aluminum powder hardly occurs.
  • polyoxyethylene alkylamine include polyoxyethylene (10) Stearylamine, Polyoxyethylene (15) Stearylamine, Polyoxyethylene (10) Oleamine, Polyoxyethylene (15) Oleamide Can be used alone or as a mixture. Its use amount is preferably 5 to 5.0% by weight based on the total amount of the ink. If the amount is less than 0.5% by weight, the dispersing effect of the aluminum powder may not be sufficient. If the amount exceeds 5.0% by weight, stearic acid or the like adsorbed on the surface of the aluminum powder may be used.
  • the ink of the present invention contains various agents such as humectants such as urea, ethylene urea, and thiourea; Additives can be added as needed.
  • aqueous metallic glossy ink for a ballpoint pen of the present invention various conventionally known methods can be employed. For example, it can be easily obtained by mixing the above components and stirring and mixing with a stirrer such as a Henschel mixer, or by mixing and pulverizing with a disperser such as a ball mill.
  • a stirrer such as a Henschel mixer
  • a disperser such as a ball mill
  • the above purified water-soluble dye 1 was prepared as follows:
  • Purified water-soluble dye 290 parts Low bean gum 20 parts Ethylene glycol 100 parts Glycerin 100 parts Water 589 parts Preservatives ("Proxel XL-2") 0.1 parts Above Each component was mixed and stirred for 2 hours with a stirrer to obtain an ink with a viscosity of 3.40 V (E-type viscometer, lrpm at 25 ° C) and a viscosity ratio of lrpm to lOrpm of 3.3. Was. The content of the inorganic salt in this ink was 0.25%. This ink gave a clear green metallic glossy handwriting without bleeding when written on paper in the same manner as in Example 1.
  • the above purified water-soluble dye 2 was prepared as follows:
  • Preservative (“Proxel GXL”) 0.1 part The above components are stirred and mixed with a lab mixer for 1 hour to obtain a viscosity of 730 Voids (E-type viscometer, lrpm, 25 ° C), and an ink having a viscosity ratio of 6.2 between lrpm and 10 rpm was obtained. This ink gave clear silver-colored handwriting without bleeding when written on paper in the same manner as in Example 1.
  • Preservative "Proxel GXL" 0. part The above ingredients are stirred and mixed with a lab mixer for 1 hour to obtain a viscosity of ⁇ 30 Voids (E-type viscometer, lrpm, 25 ° C), lrpm and 10 rpm. An ink having a viscosity ratio of 6.2 was obtained. This ink gave clear silver-colored handwriting without bleeding when written on paper in the same manner as in Example 1.
  • Guar gum derivative (“Jaguar HP 60") 5 parts Water 684 parts propylene glycol 100 parts glycerin 85 parts Surfactant '' 1.5 parts
  • Preservative (“Proxel GXL”) 0.1 part
  • the above components are mixed with a lab mixer for 1 hour with stirring and mixed to obtain a viscosity of 400 Voids (E-type viscometer, lrpm, 25 ° C), lrpm and 10 rpm An ink having a viscosity ratio of 5.5 was obtained. This ink gave clear silver-colored handwriting without bleeding when written on paper in the same manner as in Example 1.
  • Example 1 The guar gum derivative of Example 1 was reduced to 0.5 part and water was added by the reduced amount in the same manner as in Example 1 except that the viscosity was 48 Vois (E-type viscometer, lrpm, 25 ° C ), An ink having a viscosity ratio of lrpm to 10rpm of 2.4 was obtained. This ink gives clear silver handwriting when written on paper in the same manner as in Example 1.
  • the viscosity was 200 Vois (E-type viscometer, lrpm, 25 ° C) in the same manner as in Example 1 except that the guar gum derivative of Example 1 was increased to 3.0 parts and the water was reduced by the increased amount. ), An ink having a viscosity ratio of 5.0 to 10 rpm was obtained. This ink is When writing on paper in the same manner as in Example 1, clear silver-colored handwriting was given, but continuous writing was not possible.
  • Example 3 The procedure was performed in the same manner as in Example 3 except that the purified water-soluble dye 1 (purified C.I. hood yellow 3) was replaced by unpurified C.I. hood yellow 3 (inorganic salt content: 20%).
  • an ink having a viscosity of 350 voids (E-type viscometer, 1 rpm, 25 ° C) and a viscosity ratio of 4.0 rpm at 1 rpm and 4.0 rpm was obtained.
  • the content of the inorganic salt in this ink was 1.20%.
  • Preservative (“Proxel GXL”) 0.1 part The above ingredients were stirred for 1 hour with a lab mixer and had a viscosity of 400 poise (E-type viscometer, lrpm, 25 ° C), lrpm and 1 An ink having a viscosity ratio of 2.5 at 0 rpm was obtained.
  • a writing implement filled with ink was prepared, and the writing state immediately after the preparation and the writing state after leaving the writing implement for one month were compared.
  • Preparation of writing implements 0.8 g of ink is filled in a transparent ink storage tube consisting of a hollow polypropylene polypropylene cylinder with a ball-point tip connected to one end, and 0.8 g of anti-reflux agent is placed on the top. After filling 1 g, bubbles were created by centrifugal degassing.
  • Writing paper high-quality paper (JISP3201 writing paper A) Leaving conditions: The pen was left for 1 month in a thermostatic chamber at 50 with the pen tip facing down.
  • Ink pillar 0.8 g of ink is filled in a transparent ink storage tube (inner diameter: 3 mm) consisting of a hollow polypropylene hollow cylinder, and backflow is prevented at the top. After filling 0.1 g of the agent, the bubbles were degassed by centrifugation. The length of the ink column at this time was about 90 mm.
  • the water-based glossy ink for ballpoint pens of the present invention does not cause deterioration such as sedimentation of aluminum powder even during long-term storage, and is an excellent material that can be continuously written.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
PCT/JP1994/000108 1993-01-29 1994-01-27 Water color ink having metallic luster for ball-point pens WO1994017146A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9418640A GB2280448B (en) 1993-01-29 1994-01-27 Aqueous metallic ink for ball-point pen
KR1019940703390A KR100309197B1 (ko) 1993-01-29 1994-01-27 볼펜용수성금속분잉크

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP5/34201 1993-01-29
JP3420193 1993-01-29
JP12835093A JP3161161B2 (ja) 1993-04-30 1993-04-30 金属光沢色水性インキ組成物
JP5/128350 1993-04-30
JP26790793 1993-09-30
JP5/267907 1993-09-30

Publications (1)

Publication Number Publication Date
WO1994017146A1 true WO1994017146A1 (en) 1994-08-04

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US (1) US5474603A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR100309197B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2280448B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW242642B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1994017146A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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JPS59172565A (ja) * 1983-03-18 1984-09-29 Sakura Color Prod Corp インキ組成物
JPH02279777A (ja) * 1989-04-19 1990-11-15 Sakura Color Prod Corp 水性ボールペン用インキ組成物
JPH03250074A (ja) * 1990-02-28 1991-11-07 Pentel Kk ボールペン用水性インキ組成物

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6599353B2 (en) 2000-04-20 2003-07-29 Berol Corporation Shear-thinning writing compositions, writing instruments, and methods
US6986809B2 (en) 2000-07-03 2006-01-17 Berol Corporation Erasable inks, writing instruments, and methods

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GB2280448B (en) 1996-05-22
GB2280448A (en) 1995-02-01
TW242642B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1995-03-11
KR100309197B1 (ko) 2001-12-28
KR950700970A (ko) 1995-02-20
US5474603A (en) 1995-12-12
GB9418640D0 (en) 1994-11-02

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