AZO COMPOUND, INK CONTAINING AZO COMPOUND, AND DISPLAY AND ELECTRONIC PAPER EACH CONTAINING SAID INK

• Main Authors: TANAKA YUKI, ISHIDA MIO, SHIGA YASUSHI, KADOWAKI TOMOKO, AOBA MITSUYA
• Format: Patent
• Language: English; Korean
• Published: 05.08.2015
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; DYES; FILLING PASTES; FREQUENCY-CHANGING; HETEROCYCLIC COMPOUNDS; INKS; LAKES; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; ORGANIC CHEMISTRY; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PHYSICS; POLISHES; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; USE OF MATERIALS THEREFOR; WOODSTAINS

본 발명은 저극성의 용매에 대한 용해성이 우수하고, 높은 흡광 계수를 갖는 화합물 및 그 화합물을 함유하는 잉크의 제공을 목적으로 한다. 본 발명은, 주파수 1 kHz 및 온도 22 ℃ 에서 측정한 비유전율이 3 이하이며, 또한 25 ℃ 에서의 물에 대한 용해도가 20 mg/ℓ 이하인 용매, 및, 하기 일반식 (1) 로 나타내는 아조계 화합물을 함유하는 잉크에 관한 것이다. [화학식 1] The present invention relates to an ink comprising: a solvent having a relative permittivity, measured at a frequency of 1 kHz and a temperature of 22° C., of 3 or less and a solubility in water at 25° C. of 20 mg/L or less; and a specific azo compound.