JPS57116685A - Recording paper - Google Patents

Recording paper

Info

Publication number
JPS57116685A
JPS57116685A JP56003659A JP365981A JPS57116685A JP S57116685 A JPS57116685 A JP S57116685A JP 56003659 A JP56003659 A JP 56003659A JP 365981 A JP365981 A JP 365981A JP S57116685 A JPS57116685 A JP S57116685A
Authority
JP
Japan
Prior art keywords
alkyl
recording paper
hydrogen
color
sensitive
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
JP56003659A
Other languages
Japanese (ja)
Inventor
Takashi Akamatsu
Yukio Kuwabara
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP56003659A priority Critical patent/JPS57116685A/en
Publication of JPS57116685A publication Critical patent/JPS57116685A/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
    • B41M5/136—Organic colour formers, e.g. leuco dyes
    • B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • B41M5/1455—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring characterised by fluoran compounds
    • 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
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323—Organic colour formers, e.g. leuco dyes
    • B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • B41M5/3275—Fluoran compounds

Abstract

PURPOSE:To obtain a recording paper being excellent in resistance to light, water, etc. and having no self-color-developing property, by using a new fluoran derivative as a color-developing agent for pressure-sensitive or heat-sensitive recording paper. CONSTITUTION:A compound shown by general formulaI(wherein R<1> and R<2> are 1-10C alkyl, alkenyl, etc., or -(CH2)P- or the like may be formed from R<1> and R<2>; z is hydrogen, alkyl, halogen, etc.; m is 1-4; ring A is benzene, naphthalene, etc.) is halogenated and then condensed through dehydration with a phenolic derivative shown by formula II (wherein R<3> and R<4> are 1-6C alkyl, alkoxy, etc.; R<5> is hydrogen, alkyl, etc.; Y<1> and Y<2> are hydrogen, 1-8C alkyl, etc.), whereby the fluoran derivative shown by formula III (wherein one of X<1> and X<2> is halogen, and the other is hydrogen) is obtained. By using at least one of color- developing agents thus obtained, together with another color-developing agent, if necessary, pressure-sensitive or heat-sensitive recording paper is prepared according to a conventional method.
JP56003659A 1981-01-12 1981-01-12 Recording paper Pending JPS57116685A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56003659A JPS57116685A (en) 1981-01-12 1981-01-12 Recording paper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56003659A JPS57116685A (en) 1981-01-12 1981-01-12 Recording paper

Publications (1)

Publication Number Publication Date
JPS57116685A true JPS57116685A (en) 1982-07-20

Family

ID=11563581

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56003659A Pending JPS57116685A (en) 1981-01-12 1981-01-12 Recording paper

Country Status (1)

Country Link
JP (1) JPS57116685A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS594652A (en) * 1982-06-30 1984-01-11 Nippon Kayaku Co Ltd Fluoran compound and heat or pressure-sensitive color recording sheet using it
US4510513A (en) * 1983-04-14 1985-04-09 Hodogaya Chemical Co., Ltd. Heat sensitive record sheet
US4524373A (en) * 1982-02-24 1985-06-18 Kanzaki Paper Manufacturing Co., Ltd. Fluoran derivatives as new compounds, process for preparing the same and recording system utilizing the same as colorless chromogenic material
JPS60199065A (en) * 1984-03-24 1985-10-08 Hodogaya Chem Co Ltd Fluoran compound
US4594601A (en) * 1982-10-01 1986-06-10 Hodogaya Chemical Co., Ltd. Fluoran compounds
US4612558A (en) * 1984-03-24 1986-09-16 Hodogaya Chemical Co., Ltd. Fluoran compounds

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4524373A (en) * 1982-02-24 1985-06-18 Kanzaki Paper Manufacturing Co., Ltd. Fluoran derivatives as new compounds, process for preparing the same and recording system utilizing the same as colorless chromogenic material
JPS594652A (en) * 1982-06-30 1984-01-11 Nippon Kayaku Co Ltd Fluoran compound and heat or pressure-sensitive color recording sheet using it
JPH0512155B2 (en) * 1982-06-30 1993-02-17 Nippon Kayaku Kk
US4594601A (en) * 1982-10-01 1986-06-10 Hodogaya Chemical Co., Ltd. Fluoran compounds
US4510513A (en) * 1983-04-14 1985-04-09 Hodogaya Chemical Co., Ltd. Heat sensitive record sheet
USRE33815E (en) * 1983-04-14 1992-02-04 Hodogaya Chemical Co., Ltd. Heat sensitive record sheet
JPS60199065A (en) * 1984-03-24 1985-10-08 Hodogaya Chem Co Ltd Fluoran compound
US4612558A (en) * 1984-03-24 1986-09-16 Hodogaya Chemical Co., Ltd. Fluoran compounds

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