G - Physics – 03 – F
Patent
G - Physics
03
F
G03F 7/00 (2006.01) A61L 27/14 (2006.01) A61L 29/04 (2006.01) B22C 7/02 (2006.01) B29C 67/00 (2006.01) C09D 11/10 (2006.01) G03F 7/038 (2006.01) G09B 23/28 (2006.01)
Patent
CA 2626327
The present invention provides a low viscosity photocurable composition including (i) a cationically curable component (ii) a free radically active component (iii) an antimony- free cat ionic photoinitiator and (v) a free radical photoinitiator. The photocurable composition can be cured using rapid prototyping techniques to form three-dimensional articles which can be used in various aerospace and investment casting applications.
La présente invention concerne une composition photodurcissable de faible viscosité comprenant (i) un composant durcissable cationiquement, (ii) un composant à activité radicalaire libre, (iii) un photoamorceur cationique ne contenant pas d~antimoine et (v) un photoamorceur radicalaire libre. La composition photodurcissable peut être durcie en utilisant des techniques de prototypage rapide pour former des articles tridimensionnels pouvant être utilisés dans diverses applications aérospatiales et pour des coulées de précision.
Chapelat Carole
Fong John Wai
Leyden Richard
Messe Laurence
Patel Ranjana C.
Fetherstonhaugh & Co.
Huntsman Advanced Materials (switzerland) Gmbh
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