RADIATION CURABLE RESIN

• Main Authors: PENG, Erwin, WU, Yili, BASKER, Dinesh Kumar, SARKAR, Soumya
• Format: Patent
• Language: English; French
• Published: 02.06.2022
• Subjects: ADDITIVE MANUFACTURING TECHNOLOGY; ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; APPARATUS SPECIALLY ADAPTED THEREFOR; CHEMISTRY; CINEMATOGRAPHY; COMPOSITIONS BASED THEREON; ELECTROGRAPHY; HOLOGRAPHY; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED 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

A liquid, radiation curable composition with a viscosity of 1500 cps or lower, said composition comprising 5 to 50 weight percent of monomeric or oligomeric component a) with at least two aromatic (meth)acrylate groups, 0 to 20 weight percent of monomeric or oligomeric component b) with at least two (meth)acrylate groups comprising an alicyclic moiety having at least three rings that are fused or condensed, 10 to 45 weight percent of aliphatic oligomeric or polymeric component c) with at least two (meth)acrylate groups comprising at least one urethane linkage, 10 to 30 weight percent of monomeric component d) with one (meth)acrylate group having at least one hydroxyl moiety, 0.5 to 6 weight percent of one or more photo-initiators capable of forming radicals and 0 to 5 weight percent of color pigments, with components a), b), c) and d) being different from each other. Composition liquide durcissable par rayonnement ayant une viscosité de 1 500 cps ou moins, ladite composition comprenant de 5 à 50 pour cent en poids de composant monomère ou oligomère a) avec au moins deux groupes de (meth)acrylate aromatiques, 0 à 20 % en poids d'un composant monomère ou oligomère b) avec au moins deux groupes de (meth)acrylate comprenant une fraction alicyclique ayant au moins trois cycles fusionnés ou condensés, 10 à 45 pour cent en poids de composant oligomère ou polymère aliphatique c) avec au moins deux groupes de (meth)acrylate comprenant au moins une liaison uréthane, 10 à 30 pour cent en poids de composant monomère d) avec un groupe de (meth)acrylate ayant au moins une fraction hydroxyle, 0,5 à 6 pour cent en poids d'un ou de plusieurs photo-initiateurs permettant de former des radicaux et 0 à 5 pour cent en poids de pigments de couleur, les composants a), b), c) et d) étant différents les uns des autres.