UV CURABLE COMPOSITIONS WITH CONTROLLED MECHANICAL AND CHEMICAL PROPERTIES, METHODS, AND ARTICLES THEREFROM

• Main Authors: CHEN, David, GODLEW, Stephen, COURY, Emma Louise, SHARE, Paul E
• Format: Patent
• Language: English
• Published: 06.08.2020
• 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; CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING

wherein: A is derived from one or more poly hydroxyl group compounds having a number average molecular weight (Mn) from about 250 to about 3000 g/mol; D, X, and Y are independently urethane or carbamate linkages derived from one or more polyisocyanates; Q and Z are independently derived from one or more compounds having at least one ethylenically unsaturated group; n is an integer from 1 to 20; and m is an integer from 0 to 20; or (b) one or more commercial urethane acrylates; or (c) a combination of (a) and (b); wherein the composition is a 3D UV curable composition.