ADDITIVE MANUFACTURING PROCESS WITH A COMPOSITION COMPRISING POLYESTERS
The present invention relates to a composition comprising the reaction product of a polyester polyol and a compound comprising at least one functional group that can react with a hydroxyl-group of the polyester polyol and at least one further functional group, selected from acrylate- or methacrylate...
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| creator | DIMMERLING, Maik ZATOCIL, Christiane PASTOR, Thomas WUNNICKE, Odo GOLLAN, Elke WILLY, Benjamin BLÉGER, David BÜHNING, Kim SPYROU, Emmanouil ALTENBUCHNER, Peter WILKES, Marie-Theres |
| description | The present invention relates to a composition comprising the reaction product of a polyester polyol and a compound comprising at least one functional group that can react with a hydroxyl-group of the polyester polyol and at least one further functional group, selected from acrylate- or methacrylate-group, wherein the polyester polyol is based on at least one organic acid comprising at least two carboxyl groups or its anhydride and at least one polyol comprising at least two hydroxy-groups, wherein the reaction product has a glass transition temperature Tg of below 23 °C, wherein the composition optionally further comprises a photoinitiator, to a process for obtaining such a composition, and to the use of the composition as a photopolymerisable material in an additive manufacturing process. |
| format | Patent |
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| language | eng ; fre ; ger |
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| 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 USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS |
| title | ADDITIVE MANUFACTURING PROCESS WITH A COMPOSITION COMPRISING POLYESTERS |
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