WO2005068214A1 - Instrument d'ecriture - Google Patents

Instrument d'ecriture Download PDF

Info

Publication number
WO2005068214A1
WO2005068214A1 PCT/JP2005/000475 JP2005000475W WO2005068214A1 WO 2005068214 A1 WO2005068214 A1 WO 2005068214A1 JP 2005000475 W JP2005000475 W JP 2005000475W WO 2005068214 A1 WO2005068214 A1 WO 2005068214A1
Authority
WO
WIPO (PCT)
Prior art keywords
organic solvent
alcohol
organic solvents
weight
ink
Prior art date
Application number
PCT/JP2005/000475
Other languages
English (en)
Japanese (ja)
Inventor
Hidetoshi Fukuo
Hirokazu Matsuda
Makoto Hirotani
Original Assignee
Sakura Color Products Corporation
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
Application filed by Sakura Color Products Corporation filed Critical Sakura Color Products Corporation
Publication of WO2005068214A1 publication Critical patent/WO2005068214A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/10—Arrangements for feeding ink to the ball points
    • 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 writing instrument that can write on a non-absorbing surface such as glass.
  • Patent Document 1 Japanese Unexamined Patent Publication No. Hei 9 315081 (page 3, column 4, line 416)
  • Patent Document 2 JP-A-8-192594 (page 11, column 19, lines 7-8)
  • the rotation of the ball is realized by writing resistance to an absorbing surface (a surface having a non-smooth surface) such as paper, whereby ink flows out.
  • an absorbing surface a surface having a non-smooth surface
  • the writing resistance is almost negligible, so that the ball does not easily rotate and the ink does not easily flow out.
  • An object of the present invention is to provide an oil-based writing implement that can be written on a non-absorbing surface such as glass and that has a fabric wiping power.
  • the ball valve was used as a valve body as a substitute for a tip tip lid, in which the outflow of ink on the non-absorbing surface was not performed by a mechanism by stirring or rotating the ball.
  • a tip with a panel is used to prevent ink leakage while opening and closing the ink smoothly.
  • the present invention is a writing implement having a pen tip and an ink storage tube having the pen tip attached to one end,
  • the pen tip has a configuration in which a ball valve urged by a spring built into the tip with a spring strength of 10 to 40 g is in close contact with the inner edge of the gripping portion at the tip end of the tip.
  • the viscosity at 10 ° C and 20 rpm is 10-50 mPa's (ELD viscometer 1 ° 34 'cone), and is filled with an oil-based ink composition that is a Yuton fluid,
  • the oil-based ink composition contains an organic solvent, an alcohol-soluble dye and a resin, and the organic solvent is one or more organic solvents selected from the group consisting of a glycol ether-based organic solvent and an alcohol-based organic solvent. It is a writing implement containing an organic solvent whose vapor pressure at 20 ° C exceeds 1. OmmHg as the main solvent.
  • FIG. 1 is an enlarged schematic sectional view of a main part of a writing instrument according to the present invention.
  • the organic solvent A used in the present invention constitutes the main solvent (organic solvent constituting 50% by weight or more of the total amount of the organic solvent) in the oil-based ink used in the present invention, and dissolves the ink composition.
  • organic solvents selected from the group consisting of glycol ether-based organic solvents and alcohol-based organic solvents, preferably those having a vapor pressure at 20 ° C of more than 1.0 mmHg.
  • ethyl alcohol, propyl alcohol, and propylene glycol monomethyl ether are most suitable.
  • the organic solvent A is used in an amount of 40 to 95 parts by weight, preferably 50 to 85 parts by weight, based on 100 parts by weight of the total amount of the ink.
  • amount of the organic solvent A is less than 40 parts by weight, the outflow of the ink from the pen becomes poor due to an increase in the viscosity of the ink, and blurring during writing is likely to occur.
  • amount of the organic solvent A exceeds 95 parts by weight, ink leakage due to pen force and bleeding on the absorption surface are likely to occur due to a decrease in ink viscosity.
  • organic solvent B used in the present invention it is desired to slightly delay the drying of the handwriting and to prevent the whitening phenomenon caused by the quick drying.
  • organic solvents selected from the group consisting of glycol ether-based organic solvents and alcohol-based organic solvents, preferably having a vapor pressure at 20 ° C of 1.0 OmmHg or less. .
  • glycol ether-based organic solvents include ethylene glycol ( ⁇ 0.7), ethylene glycol monobutyl ether (0.1), 1,3-octylene glycol (0.01), and diethylene glycol. (0.1), diethylene glycol dibutyl ether (0.01 diethylene glycol monoethyl ether (1.0), diethylene glycol monoethyl ether acetate (0.1), diethylene glycol monobutyl ether (0.1) , Diethylene glycol monobutyl ether acetate (0.01), diethylene glycol Cornole monomethinole ether (0.2), dipropylene glycol monomethinole ether ( ⁇ 0.01), dipropylene glycol monomethinole ether (0.3), dipropylene glycol monobutyl ether (k 0.06), dipropylene glycol monomethyl ether (0.1), tetraethylene glycolone (0.01), triglycolone chloride (0.03), 1,3 butanediole (0.06),
  • Propylene glycol methyl ether (0.02), propylene glycol n-butyl ether (0.60) , Dipropylene glycol n-butyl ether (0.06), tripropylene glycol n-butyl ether (0.01), propylene glycol diacetate (0.1), propylene glycol phenol Le ( ⁇ 0.01), and the like.
  • Alcohol-based organic solvents include 2-ethylhexanol (0.36) and 2-butanol.
  • dipropylene glycol methyl ether (0.45), tripropylene glycol menu Chirueteru (0.02), propylene glycol eta ether (0.60), dipropylene glycol eta - butyl ether (0.06), tri Propylene glycol ⁇ butyl ether ( ⁇ 0.01), propylene glycol diacetate ( ⁇ 0.1), and propylene glycol phenyl ether ( ⁇ 0.01)
  • dipropylene glycol methyl ether (0.45)
  • tripropylene glycol menu Chirueteru 0.02
  • propylene glycol eta ether (0.60)
  • dipropylene glycol eta - butyl ether 0.06
  • tri Propylene glycol ⁇ butyl ether ⁇ 0.01
  • propylene glycol diacetate ⁇ 0.1
  • propylene glycol phenyl ether ⁇ 0.01
  • the organic solvent B is used in an amount of 111 to 20 parts by weight, preferably 110 to 10 parts by weight, based on 100 parts by weight of the total amount of the ink.
  • amount of the organic solvent B is less than 1 part by weight, whitening of the handwriting on the non-absorbing surface tends to occur. If the amount of the organic solvent B exceeds 20 parts by weight, the quick-drying of handwriting is reduced.
  • the resin used in the present invention is soluble in an organic solvent such as propylene glycol monomethyl ether, so that the ink itself is kept stable and that the ink is imparted with fixing properties.
  • vinyl resins, alkyd resins, and ⁇ -resins are preferred for oil-soluble resins.
  • Krill resin, acrylonitrile resin, fluorine resin, silicone resin, formalin resin, ketone resin, polyamide resin, maleic acid resin, chroman resin, alicyclic resin, rosin ester, natural resin ester, Cellulose resin, shellac resin, rosin resin, phenol resin, and petroleum resin are exemplified.
  • phenol resin, xylene resin and maleic acid resin are preferred. These resins can be used alone or in combination of two or more.
  • the above resin is used in an amount of 1 to 50 parts by weight, preferably 5 to 30 parts by weight, based on 100 parts by weight of the total amount of the ink.
  • amount of the above resin is less than 1 part by weight, ink leakage due to a decrease in ink viscosity and bleeding on an absorbing surface are likely to occur.
  • fixability of the handwriting decreases, and the water resistance decreases.
  • amount of the above resin exceeds 50 parts by weight, poor ink bleeding and ink fading easily occur due to an increase in the viscosity of the ink.
  • the alcohol-soluble dye used in the present invention is preferably soluble in an organic solvent such as propylene glycol monomethyl ether, but is insoluble but soluble in other media (activators, fatty acids, etc.) Dyes giving vivid coloration can also be used.
  • organic solvent such as propylene glycol monomethyl ether
  • Dyes giving vivid coloration can also be used.
  • These dyes can be used alone or in combination of two or more.
  • the dye is used in an amount of 1 to 30 parts by weight, preferably 5 to 15 parts by weight, based on 100 parts by weight of the total amount of the ink.
  • the amount of the above-mentioned dye is less than 1 part by weight, a decrease in the viscosity of the ink tends to cause leakage of ink with a pen force and bleeding on the absorbing surface, and the coloration of handwriting is liable to decrease.
  • the amount of the above dye exceeds 30 parts by weight, poor ink outflow due to pen force and blurring during writing are likely to occur due to an increase in the viscosity of the ink.
  • the solubility in organic solvents A such as propylene glycol monomethyl ether decreases.
  • the auxiliary agent used in the present invention is soluble in an organic solvent such as propylene glycol monomethyl ether, and it is desired to improve the slip property by handwriting mainly when writing on a non-absorbing surface. It is.
  • an auxiliary for example, a silicon-based surfactant and a fluorine-based surfactant can be used, and a silicon-based surfactant is particularly preferable.
  • the auxiliary agent is used in an amount of 0.01 to 5 parts by weight, preferably 0.25 to 1 part by weight, based on 100 parts by weight of the total amount of the ink. If the amount of the above auxiliary agent is less than 0.01 parts by weight, the fixing property of the handwriting decreases due to the decrease of the slip property of the handwriting. When the amount of the auxiliary agent is more than 5 parts by weight, the ink may easily leak due to a decrease in the surface tension of the ink, and bleeding may occur on the absorbing surface.
  • an activator such as a leveling agent for reducing the surface tension can be added to the ink.
  • a -glocine dye when used as the dye, it is preferable to use a fatty acid or an activator capable of dissolving the fatty acid together with the organic solvent because of difficulty in dissolving in the above-mentioned organic solvent. If necessary, additives such as a cap-off agent can be used to improve the writing properties and writing performance.
  • Oil-based inks of Examples and Comparative Examples were prepared by the following method using the compositions shown in Table 1. First, the organic solvent A and the organic solvent B are respectively weighed, mixed, and stirred. Apply heat (40-50 ° C) to the mixed organic solvents A and B, and gradually add resin while stirring. Next, when the resin is completely dissolved in the organic solvent, the dye is introduced while applying heat (40-50 ° C.) and stirring. When the dye is dissolved, the temperature is returned to room temperature. When the temperature is returned to room temperature, the silicon-based activator is gradually added with stirring. Then, the mixture is stirred appropriately to obtain the oil-based ink compositions of Examples and Comparative Examples.
  • Silicon-based surfactant Trade name “Dalanol 115” manufactured by Kyoeisha Chemical Co.
  • Polycarboxylic acid trade name “Titasol K 130B” manufactured by Kyoeisha Chemical Co.
  • FIG. 1 A writing implement having an ink storage tube 3 attached to one end via a was prepared.
  • the pen tip 1 has a structure in which a ball valve 6 urged by a panel strength shown in Table 1 by a spring 5 built in the tip 4 is in close contact with the inner edge of the grip portion 7 at the tip end of the tip.
  • the storage tube 3 is filled with the oil-based ink 8 having the composition shown in Table 1.
  • both sides of the spring 5 are schematically displayed! / !, but the meanwhile! /! Is omitted as shown in FIG.
  • Reference numeral 9 denotes a follower that moves to the pen tip side following the oil-based ink in the ink storage tube 3 as the oil-based ink 8 flows out.
  • Non-absorbing surface writing Using the writing tools filled with the inks according to the examples and comparative examples, the writing tools were pressed on a glass plate to write, and it was visually confirmed whether or not the writing was possible.
  • Bleed Written on a cloth (cotton) using a writing implement filled with ink according to the examples and comparative examples. It was visually confirmed whether or not the handwriting bleeds.
  • a ball valve urged by a spring built into the chip with a spring strength of 10 to 40 g has a configuration in which the ball valve is in close contact with the inner edge of the gripping portion at the tip of the tip, and is provided inside the ink storage tube.
  • Example shown in Table 1 filled with an oil-based ink composition having a viscosity of 10-50 mPa's (ELD viscometer 1 ° 34 'cone) at 20 ° C and 20 rpm and a -Yuton fluid.
  • the present invention can be used as a writing instrument for non-absorbing surfaces such as glass.

Landscapes

  • 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)
  • Pens And Brushes (AREA)

Abstract

Instrument d'écriture présentant une pointe (1) et un tube (3) renfermant de l'encre et étant pourvu à l'une de ses extrémités de ladite pointe (1), ladite pointe (1) présentant une structure dans laquelle une vanne à boisseau (6) sollicitée par un ressort (5) logé dans un embout (4) et doté d'une force élastique égale à 10 à 40 g vient épouser la périphérie interne d'une partie de maintien (7) située au niveau du bord de l'embout (4), et un tube (3) renfermant de l'encre étant rempli d'une composition d'encre huileuse présentant une viscosité à 20 °C égale à 20 rpm de 10 à 50 mPa.s (viscosimètre de type ELD, cône 1° 34') et étant un fluide Newtonien, et ladite composition d'encre huileuse comportant un solvant organique, un colorant soluble dans l'alcool et une résine, ledit solvant organique comportant un ou plusieurs solvants organiques choisis dans le groupe composé de l'éther propylène glycol monométhylique, de l'alcool éthylique et de l'alcool propylique à titre de solvant primaire.
PCT/JP2005/000475 2004-01-19 2005-01-17 Instrument d'ecriture WO2005068214A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004-010847 2004-01-19
JP2004010847 2004-01-19

Publications (1)

Publication Number Publication Date
WO2005068214A1 true WO2005068214A1 (fr) 2005-07-28

Family

ID=34792313

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2005/000475 WO2005068214A1 (fr) 2004-01-19 2005-01-17 Instrument d'ecriture

Country Status (2)

Country Link
TW (1) TW200526430A (fr)
WO (1) WO2005068214A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017119864A (ja) * 2015-12-28 2017-07-06 株式会社パイロットコーポレーション 筆記具用油性インキ組成物及びそれを内蔵した筆記具

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07290874A (ja) * 1994-04-22 1995-11-07 Mitsubishi Pencil Co Ltd ボールペン
JP2590375Y2 (ja) * 1993-04-09 1999-02-10 セーラー万年筆株式会社 直液式筆記具
JP2001152069A (ja) * 1999-11-30 2001-06-05 Mitsubishi Pencil Co Ltd ボールペン用油性インキ組成物
JP2001158869A (ja) * 1999-09-20 2001-06-12 Sakura Color Prod Corp 筆記具用油性インキ
JP2001192599A (ja) * 2000-01-13 2001-07-17 Mitsubishi Pencil Co Ltd 油性ボールペン用インキ組成物
JP2002309148A (ja) * 2001-02-07 2002-10-23 Pilot Ink Co Ltd ボールペン用油性インキ組成物
JP2003192975A (ja) * 2001-12-28 2003-07-09 Pilot Corp 油性ボールペン用インキ組成物
JP2004292552A (ja) * 2003-03-26 2004-10-21 Pilot Corporation 水性ボールペン用インキとこれを用いた水性ボールペン
JP7064157B2 (ja) * 2019-01-09 2022-05-10 株式会社Joled 表示パネルおよび表示装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2590375Y2 (ja) * 1993-04-09 1999-02-10 セーラー万年筆株式会社 直液式筆記具
JPH07290874A (ja) * 1994-04-22 1995-11-07 Mitsubishi Pencil Co Ltd ボールペン
JP2001158869A (ja) * 1999-09-20 2001-06-12 Sakura Color Prod Corp 筆記具用油性インキ
JP2001152069A (ja) * 1999-11-30 2001-06-05 Mitsubishi Pencil Co Ltd ボールペン用油性インキ組成物
JP2001192599A (ja) * 2000-01-13 2001-07-17 Mitsubishi Pencil Co Ltd 油性ボールペン用インキ組成物
JP2002309148A (ja) * 2001-02-07 2002-10-23 Pilot Ink Co Ltd ボールペン用油性インキ組成物
JP2003192975A (ja) * 2001-12-28 2003-07-09 Pilot Corp 油性ボールペン用インキ組成物
JP2004292552A (ja) * 2003-03-26 2004-10-21 Pilot Corporation 水性ボールペン用インキとこれを用いた水性ボールペン
JP7064157B2 (ja) * 2019-01-09 2022-05-10 株式会社Joled 表示パネルおよび表示装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017119864A (ja) * 2015-12-28 2017-07-06 株式会社パイロットコーポレーション 筆記具用油性インキ組成物及びそれを内蔵した筆記具

Also Published As

Publication number Publication date
TW200526430A (en) 2005-08-16

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