WO2008090834A1 - 消去性インキ組成物 - Google Patents

消去性インキ組成物 Download PDF

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Publication number
WO2008090834A1
WO2008090834A1 PCT/JP2008/050679 JP2008050679W WO2008090834A1 WO 2008090834 A1 WO2008090834 A1 WO 2008090834A1 JP 2008050679 W JP2008050679 W JP 2008050679W WO 2008090834 A1 WO2008090834 A1 WO 2008090834A1
Authority
WO
WIPO (PCT)
Prior art keywords
ink composition
erasable ink
film forming
coloring agent
chips
Prior art date
Application number
PCT/JP2008/050679
Other languages
English (en)
French (fr)
Inventor
Shigeki Yoneda
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
Priority claimed from JP2007338630A external-priority patent/JP2008202030A/ja
Application filed by Sakura Color Products Corporation filed Critical Sakura Color Products Corporation
Publication of WO2008090834A1 publication Critical patent/WO2008090834A1/ja

Links

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
    • 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

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)

Abstract

　本発明は、着色剤の分散性に優れる消去性インキ組成物を提供することを課題とする。 　その課題の解決手段として、平均粒子径が０．２μｍ未満の着色剤、乾燥したときのゴム硬度が７５°以下の造膜樹脂を用いた表面張力が３０ｍＮ／ｍ以上の水性の消去性インキ組成物とするものである。 　上記消去性インキ組成物は、造膜樹脂のゴム硬度が小さく、かつインキ組成物の表面張力が高いので、粒子径の小さい着色剤を用いることができる。また着色剤同量の比較において、発色性が改善され、かつ通常のボールペンチップ、繊維束チップ、プラスチックチップを用いても目詰まりしない。造膜樹脂として、ヨウ素価２００以下のブタジエン系樹脂を用いれば、数日～数週間で筆記跡が消せなくなる消去性インキ組成物にすることができる。
PCT/JP2008/050679 2007-01-22 2008-01-21 消去性インキ組成物 WO2008090834A1 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007010980 2007-01-22
JP2007-010980 2007-01-22
JP2007338630A JP2008202030A (ja) 2007-01-22 2007-12-28 消去性インキ組成物
JP2007-338630 2007-12-28

Publications (1)

Publication Number Publication Date
WO2008090834A1 true WO2008090834A1 (ja) 2008-07-31

Family

ID=39644411

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/050679 WO2008090834A1 (ja) 2007-01-22 2008-01-21 消去性インキ組成物

Country Status (1)

Country Link
WO (1) WO2008090834A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113025122A (zh) * 2021-04-29 2021-06-25 上海纳诺微新材料科技有限公司 一种水性持久可擦墨水及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08199104A (ja) * 1995-01-26 1996-08-06 Mitsubishi Pencil Co Ltd 暗記ペン用消去性インキ組成物
JPH10330673A (ja) * 1997-05-29 1998-12-15 Pilot Ink Co Ltd 消去性インキ組成物
JP2003221543A (ja) * 2002-02-01 2003-08-08 Pilot Ink Co Ltd 筆記用消しゴム消去性水性インキ組成物及びそれを内蔵した筆記具
JP2006045248A (ja) * 2004-07-30 2006-02-16 Mitsubishi Pencil Co Ltd 消去性インキ組成物
JP2006225633A (ja) * 2004-09-30 2006-08-31 Sakura Color Prod Corp 消去性水性インキ組成物

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08199104A (ja) * 1995-01-26 1996-08-06 Mitsubishi Pencil Co Ltd 暗記ペン用消去性インキ組成物
JPH10330673A (ja) * 1997-05-29 1998-12-15 Pilot Ink Co Ltd 消去性インキ組成物
JP2003221543A (ja) * 2002-02-01 2003-08-08 Pilot Ink Co Ltd 筆記用消しゴム消去性水性インキ組成物及びそれを内蔵した筆記具
JP2006045248A (ja) * 2004-07-30 2006-02-16 Mitsubishi Pencil Co Ltd 消去性インキ組成物
JP2006225633A (ja) * 2004-09-30 2006-08-31 Sakura Color Prod Corp 消去性水性インキ組成物

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113025122A (zh) * 2021-04-29 2021-06-25 上海纳诺微新材料科技有限公司 一种水性持久可擦墨水及其制备方法

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