Heat-Sensitive Recording Material

A heat-sensitive recording material eempri waff-having i) a carrier substrate and ii) a heat-sensitive recording lavcrr-wheKH-fth*. The heat-sensitive recording layer contains a color former and a color developer mixture and the color developer mixture contains a) N-[2 -(3- phenylureido)phenyl]benzo...

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Bibliographische Detailangaben
Hauptverfasser: BOXHAMMER, Claas, SCHREER, Martin
Format: Patent
Sprache:eng
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Zusammenfassung:A heat-sensitive recording material eempri waff-having i) a carrier substrate and ii) a heat-sensitive recording lavcrr-wheKH-fth*. The heat-sensitive recording layer contains a color former and a color developer mixture and the color developer mixture contains a) N-[2 -(3- phenylureido)phenyl]benzole sulfonamide (compound of formula (1)). wherein tlw. The compound of formula (I) is present in a crystalline form, which has an absorption band in the IR spectrum at 3401°cm-1. and b) N-(4-methylphenylsulfonyl)-N-(3-(4- methylphenylsulfonyloxy)phenyl)urea (compound of formula (II)).