申请人:Appleton Papers Inc.
公开号:US04242513A1
公开(公告)日:1980-12-30
Chromogenic compounds of normally colorless form are disclosed having the following structural formula: ##STR1## wherein E represents a six-membered aromatic or heterocyclic ring which may have an aromatic condensed ring and both the E ring and the condensed ring may be substituted, A represents an optionally substituted aminophenyl, indolyl, benzoindolyl, julolidinyl or kairolyl radical or the radical represented by B, and B represents a family of heterocyclic radicals. The compounds of this invention are eligible for use in pressure-sensitive and heat sensitive record materials and manifold marking systems.
本发明揭示了通常为无色形式的色变化化合物,其具有以下结构式:##STR1## 其中,E表示一个具有芳香环或杂环的六元环,该环可能具有芳香环并且E环和缩合环都可能被取代,A表示一个可选取代的氨基苯基、吲哚基、苯并吲哚基、茱萸啉基或卡伊洛啉基基团或由B表示的基团,B表示一系列杂环基团。本发明的化合物适用于压敏和热敏记录材料以及多联标记系统。