RADIATION-CURABLE COMPOSITION FOR USE IN RAPID PROTOTYPING OR RAPID MANUFACTURING METHODS

A polymerisable radiation-curable, in particular UV-Vis-, UV- or Vis-curable, composition comprising:(i) monomers, wherein the monomers comprise:(a.1) at least one triacrylate derived from 1,3,5-tris(ω-hydroxyalkyl) isocyanurate, wherein the hydroxyalkyl residue comprises 1 to 8 C-atoms and may be l...

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Bibliographische Detailangaben
1. Verfasser:	HOHMANN, Alfred
Format:	Patent
Sprache:	eng
Schlagworte:	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 METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	A polymerisable radiation-curable, in particular UV-Vis-, UV- or Vis-curable, composition comprising:(i) monomers, wherein the monomers comprise:(a.1) at least one triacrylate derived from 1,3,5-tris(ω-hydroxyalkyl) isocyanurate, wherein the hydroxyalkyl residue comprises 1 to 8 C-atoms and may be linear, branched and/or cyclic, and(a.2) at least one di-functional monomer, not being a urethane (meth)acrylate, and(ii) at least one further component, comprising:at least one photo-initiator for the UV and/or Vis spectral region or a photo-initiator system for the UV and/or Vis spectral region. Also disclosed is a blank in the form of a three-dimensional moulded body of a polymerised composition, in particular of a radiation-cured composition for producing dental prosthetic parts, orthopaedic appliances or dental pre-forms, and also to the use of the composition for producing dental prosthetic parts, orthopaedic appliances or dental pre-forms in a rapid prototyping or in a rapid manufacturing or rapid tooling method.