ANTI-REFLECTION UNITARY FOAM SHEETS

• Main Authors: TAKEDA, Masaaki, SHINAGAWA, Masataka, HISHITANI, Koji, TORIUMI, Naoyuki, UCHIYA, Tomoaki
• Format: Patent
• Language: English; French
• Published: 21.10.2021
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; ANTENNAS, i.e. RADIO AERIALS; BASIC ELECTRIC ELEMENTS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CHEMISTRY; COMPOSITIONS BASED THEREON; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERAL PROCESSES OF COMPOUNDING; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PRINTED CIRCUITS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING-UP

Anti-reflection foam sheets are prepared by partially polymerizing a (meth)acrylate-based reaction mixture to provide a curable, coatable syrup, dispersing expandable microspheres in the syrup, curing the syrup, and expanding the microspheres with heat. The anti-reflection foam sheet has a thickness of 0.05 - 3.00 millimeters, a density of 0.10 - 0.80 g/cm3, and is hydrophobic. The anti-reflection foam sheets may include additional layers. Des feuilles de mousse anti-reflet sont préparées par polymérisation partielle d'un mélange réactionnel à base de (méth)acrylate pour obtenir un sirop durcissable, pouvant être enduit, dispersion de microsphères expansibles dans le sirop, durcissement du sirop et expansion des microsphères avec de la chaleur. La feuille de mousse antireflet a une épaisseur de 0,05 à 3,00 millimètres, une densité de 0,10 à 0,80 g/cm3, et est hydrophobe. Les feuilles de mousse antireflet peuvent comprendre des couches supplémentaires.