EP 3829521 A1 20210609 - RADIATION-CURABLE COMPOSITION FOR USE IN RAPID-PROTOTYPING OR RAPID-MANUFACTURING METHODS
Title (en)
RADIATION-CURABLE COMPOSITION FOR USE IN RAPID-PROTOTYPING OR RAPID-MANUFACTURING METHODS
Title (de)
STRAHLENHÄRTBARE ZUSAMMENSETZUNG ZUR VERWENDUNG IN RAPID-PROTOTYPING ODER RAPID-MANUFACTURING VERFAHREN
Title (fr)
COMPOSITION DURCISSABLE PAR RAYONNEMENT DESTINÉE À ÊTRE UTILISÉE DANS UN PROCÉDÉ DE PROTOTYPAGE RAPIDE OU DE FABRICATION RAPIDE
Publication
Application
Priority
- DE 102018123330 A 20180921
- EP 2019075295 W 20190920
Abstract (en)
[origin: WO2020058464A1] The invention relates to a polymerisable, radiation-curable, in particular UV/Vis-, UV-, or Vis-curable composition, comprising (i) monomers and (ii) at least one further component, wherein the (i) monomers comprise (a) at least one acrylate with an additional carboxy group, acrylate with at least one additional anhydride group of carboxy groups and/or derivative of the aforementioned acrylates, (b) at least one difunctional acrylate with bivalent alicyclic group and/or at least one difunctional methacrylate with bivalent alicyclic group, (c) optionally at least one disubstituted 4,4'-di(oxabenzene)dialkylmethane of formula I, and wherein (ii) the at least one further component comprises (d) at least one photoinitiator for the UV and/or Vis range or a photoinitiator system. The composition according to the invention is suitable for producing dental prosthetic parts, orthopaedic appliances or dental pre-forms, which are characterised by a) a bending strength of greater than or equal to 50 MPa and/or b) a modulus of elasticity of greater than or equal to 1500 MPa, and/or c) a bending fracture of greater than or equal to 1.1 MPa m1/2 and/or d) a fracture work of greater than 250 J/m2 DIN EN ISO 20795-2, wherein these can be produced in a rapid-prototyping or in a rapid-manufacturing or rapid-tooling method.
IPC 8 full level
A61K 6/00 (2020.01); B33Y 70/00 (2020.01); B33Y 80/00 (2015.01)
CPC (source: EP US)
A61K 6/62 (2020.01 - EP US); A61K 6/77 (2020.01 - EP US); A61K 6/818 (2020.01 - EP US); B33Y 70/00 (2014.12 - EP US); B33Y 80/00 (2014.12 - EP US); C08L 33/10 (2013.01 - US); C08L 2203/02 (2013.01 - US)
C-Set (source: EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 102018123330 A1 20200326; CN 112689646 A 20210420; CN 112689646 B 20230509; EP 3829521 A1 20210609; JP 2022501385 A 20220106; JP 7490640 B2 20240527; US 2021353508 A1 20211118; WO 2020058464 A1 20200326
DOCDB simple family (application)
DE 102018123330 A 20180921; CN 201980061839 A 20190920; EP 19782920 A 20190920; EP 2019075295 W 20190920; JP 2021515648 A 20190920; US 201917277566 A 20190920