JPS56106979A - Marking pen ink composition - Google Patents

Marking pen ink composition

Info

Publication number
JPS56106979A
JPS56106979A JP900580A JP900580A JPS56106979A JP S56106979 A JPS56106979 A JP S56106979A JP 900580 A JP900580 A JP 900580A JP 900580 A JP900580 A JP 900580A JP S56106979 A JPS56106979 A JP S56106979A
Authority
JP
Japan
Prior art keywords
ketone
organic solvent
dye
soluble
pigment
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP900580A
Other languages
Japanese (ja)
Other versions
JPS5739668B2 (en
Inventor
Hiroyoshi Yamamoto
Keiko Shioi
Taiji Okuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sakura Color Products Corp
Original Assignee
Sakura Color Products Corp
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 Corp filed Critical Sakura Color Products Corp
Priority to JP900580A priority Critical patent/JPS56106979A/en
Publication of JPS56106979A publication Critical patent/JPS56106979A/en
Publication of JPS5739668B2 publication Critical patent/JPS5739668B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

PURPOSE: To prepare the titled composition which hardly dries up even after removing the cap from the pen and exposing the marker tip to air for a long period and enables to continue the smooth marking, by adding specific ketone to a mixture composed mainly of a dye and an organic solvent.
CONSTITUTION: A mixture composed of (A) 2W15wt% of a dye (oil-soluble dye or pigment soluble in organic solvent), (B) 40W90wt% of an organic solvent (e.g. methyl ethyl ketone, ethyl acetate, etc.) and pref. (C) 3W15wt% of an oil-soluble resin (e.g. ester gum, phenolic resin, etc.), is compounded with (D) 0.05W15wt% of a ketone of formula R1COR2 (R1 and R2 are 10W22C alkyl), e.g. lauryl ketone, stearyl ketone, etc., and dissolved to obtain the objective composition. When the component (A) is a pigment, it is pref. a processed pigment surface-coated with a resin in view of the improvement in the dispersibility, etc.
COPYRIGHT: (C)1981,JPO&Japio
JP900580A 1980-01-29 1980-01-29 Marking pen ink composition Granted JPS56106979A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP900580A JPS56106979A (en) 1980-01-29 1980-01-29 Marking pen ink composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP900580A JPS56106979A (en) 1980-01-29 1980-01-29 Marking pen ink composition

Publications (2)

Publication Number Publication Date
JPS56106979A true JPS56106979A (en) 1981-08-25
JPS5739668B2 JPS5739668B2 (en) 1982-08-23

Family

ID=11708535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP900580A Granted JPS56106979A (en) 1980-01-29 1980-01-29 Marking pen ink composition

Country Status (1)

Country Link
JP (1) JPS56106979A (en)

Also Published As

Publication number Publication date
JPS5739668B2 (en) 1982-08-23

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