JPS578192A - Copying method - Google Patents

Copying method

Info

Publication number
JPS578192A
JPS578192A JP8352580A JP8352580A JPS578192A JP S578192 A JPS578192 A JP S578192A JP 8352580 A JP8352580 A JP 8352580A JP 8352580 A JP8352580 A JP 8352580A JP S578192 A JPS578192 A JP S578192A
Authority
JP
Japan
Prior art keywords
sheet
color
contained
carboxylic acid
salt
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.)
Pending
Application number
JP8352580A
Other languages
Japanese (ja)
Inventor
Akio Miyamoto
Kozo Sato
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP8352580A priority Critical patent/JPS578192A/en
Publication of JPS578192A publication Critical patent/JPS578192A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/132—Chemical colour-forming components; Additives or binders therefor
    • B41M5/155—Colour-developing components, e.g. acidic compounds; Additives or binders therefor; Layers containing such colour-developing components, additives or binders

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Color Printing (AREA)

Abstract

PURPOSE:To prevent deterioration of color developable capacity due to moisture affect with the elapse of time by combining a sheet in which a color precursor and an org. zinc carboxylate or the like contained and a sheet in which magnesium salt of a specific aromatic carboxylic acid or the like is contained. CONSTITUTION:A color former sheet (A) prepared by coating an electron donative almost colorless color precursor (e.g.; a phenylmethane type compound or the like) and Zn, Al, or Sn salt of an org. carboxylic acid, pref., contained in a microcapsule, on a support along with a binder or the like is used in combination with a color developing sheet (B) prepared by coating Mg, Ca or Ba salt of an aromatic carboxylic acid shown by the formula I [wherein X is O, formulae II-IV [wherein R3 is (cyclo) alkyl, aralkyl, aryl (amino), alkylamino]; R1, R2 are H, (cyclo) alkyl, aralkyl, aryl], pref., in an amount of 0.2-1g/m<2> along with a binder or the like are used.
JP8352580A 1980-06-20 1980-06-20 Copying method Pending JPS578192A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8352580A JPS578192A (en) 1980-06-20 1980-06-20 Copying method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8352580A JPS578192A (en) 1980-06-20 1980-06-20 Copying method

Publications (1)

Publication Number Publication Date
JPS578192A true JPS578192A (en) 1982-01-16

Family

ID=13804891

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8352580A Pending JPS578192A (en) 1980-06-20 1980-06-20 Copying method

Country Status (1)

Country Link
JP (1) JPS578192A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01145189A (en) * 1987-12-01 1989-06-07 Sanko Kaihatsu Kagaku Kenkyusho:Kk Color developer for pressure-sensitive recording paper, aqueous dispersant of the same, and preparation thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01145189A (en) * 1987-12-01 1989-06-07 Sanko Kaihatsu Kagaku Kenkyusho:Kk Color developer for pressure-sensitive recording paper, aqueous dispersant of the same, and preparation thereof

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