RADIATION CURABLE LIQUID RESIN COMPOSITION FOR OPTICAL THREE-DIMENSIONAL MOLDING AND OPTICAL MOLDED ARTICLE OBTAINED BY PHOTOCURING SAME

• Main Authors: SUGIMOTO, MASANOBU, TAKASE, KATSUYUKI, TATARA, RYOUJI, KOMIYA, ZEN
• Format: Patent
• Language: English; French; Japanese
• Published: 08.12.2005
• Edition: 7
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; APPARATUS SPECIALLY ADAPTED THEREFOR; CHEMISTRY; CINEMATOGRAPHY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; ELECTROGRAPHY; HOLOGRAPHY; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; MATERIALS THEREFOR; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; ORIGINALS THEREFOR; PERFORMING OPERATIONS; PHOTOGRAPHY; PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES; PHYSICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Disclosed is a radiation curable liquid resin composition for optical three-dimensional molding having small lateral step and excellent surface smoothness which enables to obtain a high-precision optical molded article. Such a radiation curable liquid resin composition for optical three-dimensional molding contains the following components (A)-(F): (A) a compound having a phenolic hydroxy group and/or a phosphite group; (B) a cationically polymerizable compound; (C) a cationic polymerization initiator; (D) a radically polymerizable compound; (E) a radical polymerization initiator; and (F) a polyether polyol compound. Relative to the total amount of the composition, the content of the component (A) is 0.1-10 mass% and the content of the polyether polyol compound (F) is 1-35 mass%. Est présentée une composition de résine liquide vulcanisable par radiation pour un moulage optique en trois dimensions, ayant un petit pas latéral et un excellent poli de surface, qui permet d'obtenir un article moulé optique de haute précision. Cette composition de résine liquide vulcanisable par radiation pour un moulage optique en trois dimensions contient les composants (A) à (F) suivants : (A) un composé ayant un groupement phénolique et/ou un groupe de phosphites ; (B) un composé polymérisable par cation ; (C) un initiateur de polymérisation par cation ; (D) un composé radicalement polymérisable ; (E) un initiateur de polymérisation radicale ; (F) un composé de polyol de polyéther. En ce qui concerne la quantité totale de la composition, le contenu du composant (A) est de 0,1 à 10% en masse et le contenu du composé de polyol de polyéther (F) est de 1 à 35% en masse.