SEALING AGENT FOR DISPLAY

• Main Authors: KIDA MASAHIRO, KOFUCHI KATSUMI, MUTO MASAYOSHI, NAITO MASAHIRO, UEHARA MASAKO
• Format: Patent
• Language: English; Japanese
• Published: 10.02.2022
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; COMPOSITIONS BASED THEREON; 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 OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-LINEAR OPTICS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; 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 MATERIALS AS ADHESIVES

To provide a sealing agent for a display which can be applied to a flexible display and a display having a curved shape, more specifically, a sealing agent for a display which contains urethane (meth)acrylate and isophthalic acid dihydrazide, and a sealing for a display which is excellent in storage stability, provides a cured product having flexibility, and is also excellent in adhesion to a substrate such as an oriented film coated with a coating agent.SOLUTION: A sealing agent for a display contains (A-1) urethane (meth)acrylate and (A-2) partially epoxy (meth)acrylate as (A) curable resins, and isophthalic acid dihydrazide as (B) a thermosetting agent.SELECTED DRAWING: None 【課題】本発明は、フレキシブルディスプレイや湾曲形状のディスプレイにも適用できるディスプレイ用封止剤に関する。より詳細には、ウレタン（メタ）アクリレートとイソフタル酸ジヒドラジドとを含有するディスプレイ用封止剤に関するものであり、保存安定性に優れ、その硬化物は柔軟性を有し、配向膜等のコート剤が塗布された基板に対しても接着性にも優れるディスプレイ用封止剤を提供する。【解決手段】（Ａ）硬化性樹脂として（Ａ－１）ウレタン（メタ）アクリレート及び（Ａ－２）部分エポキシ（メタ）アクリレート、（Ｂ）熱硬化剤としてイソフタル酸ジヒドラジドを含有するディスプレイ用封止剤。【選択図】なし