PHOTO CURING LIGHT-SHIELD SEALANT COMPRISING IRREVERSIBLE PHOTO-CHROMIC DYE AND DISPALY APPARATUS THEREOF

• Main Authors: SOHN, A RAM, PARK, DONG SIK, HWANG, JAE CHUL, SONG, HYE SUN, CHOI, HAE WOOG, PARK, EUN JU, YOUN, YEO O, PARK, JEONG BEOM, SHIN, SUNG EUI
• Format: Patent
• Language: English; Korean
• Published: 10.06.2014
• Subjects: ADHESIVES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; 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; FREQUENCY-CHANGING; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PHYSICS; POLISHES; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

In an embodiment of the present invention, disclosed is a photo-curing sealant comprising, based on total weight percentage: an irreversible photo-chromic dye of 0.1-10 wt%, a photo-curing oligomer compound of 20-60 wt%, a photo-polymerizable monomer of 40-80 wt%, and a photo-polymerization initiator of 1-10 wt%.