SILICONE-BASED THERMOPLASTIC MATERIALS FOR 3D-PRINTING

The invention relates to a process for preparing a polyurea or a polyurethane organopolysiloxane block copolymer having a silicone content of at least 90% in weight relative to the total weight of the organosiloxane block copolymer. The invention further relates to a polyurea or a polyurethane organ...

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Bibliographic Details
Main Authors DEME, Florian A, ROCHETTE, Jean, MAULET, Thomas B, GIMENEZ, Jérôme
Format Patent
LanguageEnglish
Published 18.05.2023
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 OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
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Summary:The invention relates to a process for preparing a polyurea or a polyurethane organopolysiloxane block copolymer having a silicone content of at least 90% in weight relative to the total weight of the organosiloxane block copolymer. The invention further relates to a polyurea or a polyurethane organopolysiloxane block copolymer obtained according to this process and its use in a method for manufacturing a 3D article by an additive technique.
Bibliography:Application Number: US202117917077