Recording material
AssigneeFuji Photo Film Co., Ltd.
InventorsKeiso Saeki, Shojiro Sano, Katsumi Matsuoka, Masanobu Takashima, Ken Iwakura
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Abstract
A recording material comprising a support provided thereon a color developer and microcapsules containing a substantially colorless color former is disclosed, wherein the microcapsules further contains at least one of nickel compounds represented by formulae (I) and (II) shown in the specification. The microcapsules exhibit excellent light-resistance, and a color image developed exhibits excellent light-fastness.
Claims10
A recording material comprising a support having provided thereon a color developer and microcapsules containing a substantially colorless color former, wherein said microcapsules further contain at least one of nickel compounds represented by formula (I) ##STR17## wherein R.sub.1 and R.sub.2 each represent a hydrogen atom, an alkyl group, an alkoxy group, an aryloxy group, an aryl group, a halogen atom, a cyano group or a nitro group;
- LI represents an organic ligand which is bonded to the nickel ion via a hetero atom to form a complex;
- and n represents 0, 1 or 2,
- and nickel compounds represented by formula (II) ##STR18## wherein R.sub.3 and R.sub.4 each represents a hydrogen atom, an alkyl group, an alkoxy group, an aryloxy group, an aryl group or a halogen atom;
- X.sub.1 and X.sub.4 each represents an oxygen atom or a sulfur atom;
- and X.sub.2 and X.sub.3 each represents a hydroxyl group or a mercapto group.
Dependencies are inferred from the claim text.