申请人:KABUSHIKI KAISHA TOSHIBA
公开号:EP0980028A1
公开(公告)日:2000-02-16
An erasable image forming material includes a color former, a developer, a binder resin, and a polymer decolorizer having an electron donating group capable of physically or chemically adsorbing the developer. This polymer decolorizer is, e.g., a polymer compound having a sugar skeleton, representatively starch. This image forming material can form sharp images and erase images by heat or a solvent to achieve a good erased state.
一种可擦除图像形成材料包括显色剂、粘合剂树脂和聚合物脱色剂,聚合物脱色剂具有电子捐赠基团,能以物理或化学方式吸附显色剂。聚合物脱色剂可以是具有糖骨架的聚合物化合物,例如淀粉。这种图像形成材料可以形成清晰的图像,并通过加热或溶剂擦除图像,以达到良好的擦除状态。