JPS56142092A - Developer for pressure-sensitive copying paper - Google Patents

Developer for pressure-sensitive copying paper

Info

Publication number
JPS56142092A
JPS56142092A JP4519880A JP4519880A JPS56142092A JP S56142092 A JPS56142092 A JP S56142092A JP 4519880 A JP4519880 A JP 4519880A JP 4519880 A JP4519880 A JP 4519880A JP S56142092 A JPS56142092 A JP S56142092A
Authority
JP
Japan
Prior art keywords
developer
phenol
substituted phenol
1mol
tri
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
JP4519880A
Other languages
Japanese (ja)
Other versions
JPS614674B2 (en
Inventor
Makoto Asano
Saburo Kawashima
Yoshimitsu Tanabe
Naomichi Murakami
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.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
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 Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Priority to JP4519880A priority Critical patent/JPS56142092A/en
Priority to US06/247,123 priority patent/US4400492A/en
Priority to GB8109452A priority patent/GB2073226B/en
Priority to DE19813112195 priority patent/DE3112195A1/en
Publication of JPS56142092A publication Critical patent/JPS56142092A/en
Publication of JPS614674B2 publication Critical patent/JPS614674B2/ja
Granted 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

Abstract

PURPOSE:To obtain the titled developer having high color forming rate and intensity as well as improved low-temperature color forming property and improving the yellowing resistance of coated paper, comprizing a polyvalent metal salt of a condensation product between a p-substituted phenol/formalin reaction intermediate and a tri- or higher functional phenol. CONSTITUTION:A p-substituted phenol of the formula (wherein R is 1-12C alkyl, 6-12C cycloalkyl, 7-12C aralkyl, 6-12C aryl, halogen, etc.) is reacted with formalin in the presence of an acid catalyst to obtain a reaction intermediate. To this intermediate is added 0.3-1mol (based on 1mol p-substituted phenol) tri- or higher functional phenol, preferably 4,4'-isopropylidenebiphenol to effect condensation. The obtained condensation product is reacted with a polyvalent metal, such as Zn, Mg or Al, to convert into a metal salt (preferably, metal content of 1-8wt%) for obtaining the purpose developer.
JP4519880A 1980-03-28 1980-04-08 Developer for pressure-sensitive copying paper Granted JPS56142092A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4519880A JPS56142092A (en) 1980-04-08 1980-04-08 Developer for pressure-sensitive copying paper
US06/247,123 US4400492A (en) 1980-04-04 1981-03-24 Color-developer for pressure-sensitive recording sheets
GB8109452A GB2073226B (en) 1980-03-28 1981-03-26 Colour-developer for pressure-sensitive recording sheets
DE19813112195 DE3112195A1 (en) 1980-03-28 1981-03-27 "COLOR DEVELOPER FOR PRINT-SENSITIVE RECORDING FILMS"

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4519880A JPS56142092A (en) 1980-04-08 1980-04-08 Developer for pressure-sensitive copying paper

Publications (2)

Publication Number Publication Date
JPS56142092A true JPS56142092A (en) 1981-11-06
JPS614674B2 JPS614674B2 (en) 1986-02-12

Family

ID=12712563

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4519880A Granted JPS56142092A (en) 1980-03-28 1980-04-08 Developer for pressure-sensitive copying paper

Country Status (1)

Country Link
JP (1) JPS56142092A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58177394A (en) * 1982-04-12 1983-10-18 Daio Seishi Kk Pressure-sensitive recording sheet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58177394A (en) * 1982-04-12 1983-10-18 Daio Seishi Kk Pressure-sensitive recording sheet

Also Published As

Publication number Publication date
JPS614674B2 (en) 1986-02-12

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