申请人:Ricoh Co., Ltd.
公开号:US04315068A1
公开(公告)日:1982-02-09
A photo-sensitive and heat-sensitive composition consisting essentially of (a) a photooxidant, (b) a color-generator generating color when oxidized, (c) an acid promoting said color generation, (d) a cobalt (III) ammine and/or amine complex, (e) a photoreductant, (f) a hydrogen donator, (g) at least one kind of chelating agent selected from dioxime chelating agents having the general formula (I): ##STR1## (wherein n is an integer of 0 to 3, and R.sub.1 and R.sub.2 can each represent an alkyl, aryl or aralkyl group) and diantipyrylmethane chelating agents having the general formula (II): ##STR2## (wherein R.sub.3, R.sub.4, R.sub.5, R.sub.3 ', R.sub.4 ' and R.sub.5 ' can each represent a hydrogen atom and an alkyl or aryl group, and R.sub.6 and R.sub.7 can each represent a hydrogen atom and an alkyl, substituted or nonsubstituted aryl or aralkyl group), and (h) at least one kind of stabilizer selected from noble metal complexes, organic oxidants and organic acids, and a recording element using the same.
一种光敏和热敏组合物,基本上包括(a) 光氧化剂,(b) 氧化时生成颜色的色生成剂,(c) 促进颜色生成的酸,(d) 钴(III) 铵和/或胺配合物,(e) 光还原剂,(f) 氢供体,(g) 至少一种螯合剂,所选自具有一般式(I) 的二肟螯合剂:##STR1##(其中n是0至3的整数,R.sub.1和R.sub.2可以分别表示烷基,芳基或芳基烷基),以及具有一般式(II) 的二蚀普啉甲烷螯合剂:##STR2##(其中R.sub.3,R.sub.4,R.sub.5,R.sub.3',R.sub.4'和R.sub.5'可以分别表示氢原子和烷基或芳基基团,而R.sub.6和R.sub.7可以分别表示氢原子和烷基,取代或非取代芳基或芳基烷基),以及(h) 至少一种稳定剂,所选自贵金属配合物,有机氧化剂和有机酸,以及使用该组合物的记录元件。