NEAR INFRARED RAY-DECOLORIZABLE RECORDING MATERIAL

• Main Authors: HOSODA, YOSHIKAZU, MUROFUSHI, KATSUMI, KONDO, KUNIO, GAN, YOKE AI
• Format: Patent
• Language: English; Korean
• Published: 15.10.1999
• Edition: 6
• Subjects: ADHESIVES; AUXILIARY PROCESSES IN PHOTOGRAPHY; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; CINEMATOGRAPHY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COLOUR PRINTING; CORRECTING FLUIDS; DYES; ELECTROGRAPHY; ELECTROPHOTOGRAPHY; FILLING PASTES; HOLOGRAPHY; INKS; LINING MACHINES; MAGNETOGRAPHY; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR,STEREO-PHOTOGRAPHIC PROCESSES; PHOTOGRAPHY; PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHYSICS; POLISHES; PRINTING; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; STAMPS; TRANSPORTING; TYPEWRITERS; USE OF MATERIALS THEREFOR; WOODSTAINS

본 발명에 따라, 다음 일반식 (I)의 근적외선-흡수성 양이온 염료-붕산염 음이온 복합체를 함유하는 근적외선-탈색성 기록물질이 제공된다. 상기중, D는 근적외선 영역에서 흡수성을 갖는 양이온 염료이고; R, R, R및 R는 각각 알킬, 아릴, 알크아릴, 알릴, 아르알킬, 알케닐, 알키닐, 실릴, 알리시클릭, 또는 포화 또는 불포화 헤테로시클릭기, 치환알킬, 치환아릴, 치환알크아릴, 치환알릴, 치환 아르알킬, 치환알케닐, 치환 알키닐, 또는 치환 실릴을 나타내는 것으로서, 단, R, R, R및 R중 적어도 하는 C의 알킬기를 나타낸다.