OLED sealant is used for the sealing and bonding of the frame of the OLED display. It is an adhesive used to seal and protect the OLED device, so that the interior of the device will not be polluted and corroded by water vapor and oxygen, and it will not be polluted by the adhesive itself. Therefore, The performance requirements are very high, and the specific requirements are: low curing temperature, less curing agent residue, less volatile residue, strong adhesion, water boiling resistance, good water vapor and oxygen resistance, and halogen-free standards.