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

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

A polymerisable radiation-curable composition comprising:(i) monomers, comprising at least (a) a first monomer having a TG (glass-transition point) of the homopolymer of said first monomer≥ 120° C. and at least (b) a second monomer having a TG (glass-transition point) of the homopolymer of the secon...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: HOHMANN, Alfred
Format: Patent
Sprache:eng ; fre ; ger
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
APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
DENTISTRY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PERFORMING OPERATIONS
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
TRANSPORTING
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Beschreibung
Zusammenfassung:A polymerisable radiation-curable composition comprising:(i) monomers, comprising at least (a) a first monomer having a TG (glass-transition point) of the homopolymer of said first monomer≥ 120° C. and at least (b) a second monomer having a TG (glass-transition point) of the homopolymer of the second monomer≤ 100° C., wherein at least one of the at least one first monomer or of the at least one second monomer has an alicyclic group, andcomprising (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 a radiation-cured composition, for producing 3D moulded bodies, dental prosthetic parts, orthopaedic appliances or dental pre-forms in a rapid prototyping, rapid manufacturing, or rapid tooling method.