MY126944A - Thermal recording material - Google Patents

Abstract

THE OBJECT OF THIS INVENTION IS TO PROVIDE A THERMALLY SENSITIVE RECORDING MEDIUM WHICH HAS GOOD COLOR DEVELOPING SENSITIVITY, GOOD RESISTANCE TO HEAT AND GOOD GROUND COLOR AND NOT GENERATE POWER, FURTHER HAS AN EXCELLENT IMAGE PRESERVATIVE ABILITY. A THERMALLY SENSITIVE RECORDING MEDIUM WHICH POSSESSES A THERMALLY SENSITIVE COLOR DEVELOPING LAYER CONTAINING COLORLESS OR PALE COLORED BASIC LEUCO DYE AND AN ORGANIC COLOR DEVELOPING AGENT AS MAIN COMPONENTS ON A SUBSTRATE, WHEREIN SAID THERMALLY SENSITIVE RECORDING LAYER CONTAINS AT LEAST ONE KIND OF DIHYDROXYDIPHENYLSULFON TYPE COMPOUND BY GENERAL FORMULA (1) AS AN ORGANIC COLOR DEVELOPING AGENT, FURTHER CONTAINS AT LEAST ONE KIND OF SATURATED FATTY ACID MONOAMIDE REPRESENTED BY GENERAL FORMULA (2) BY 1.5-5 PARTS TO 1 PART OF THE ORGANIC COLOR DEVELOPING AGENT, OR CONTAINS AT LEAST ONE KIND OF SATURATED FATTY ACID MONOAMIDE REPRESENTED BY GENERAL FORMULA (2) AND AT LEAST ONE KIND OF DIPHENYLSULFONE DERIVATIVES REPRESENTED BY GENERAL FORMULA (3), (FORMULA)WHEREIN, R1 AND R2 INDICATE AN ALKYL GROUP OR AN ALKENYL GROUP OF CARBON NUMBER 1- 8, OR A HALOGEN ATOM AND A AND B IS AN INTEGER NUMBER OF 0-3, R3-CONH2(2)WHEREIN, R3 INDICATES AN ALKYL GROUP OF CARBON NUMBER 11-21, (FORMULA)WHEREIN R4-R9 INDICATE A HYDROGEN ATOM, AN ALKYL GROUP, A HALOGEN ATOM, A NITRO GROUP, AN ALKOXY GROUP, A CYANO GROUP OR AN ALLYLOXY GROUP.