Curable composition comprising a photoinitiator
AssigneeArkema France
InventorsRichard Plenderleith, Jeffrey Klang, Jonathan Andersson, Kangtai Ren, William Wolf, Christopher Macneill
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Abstract
The present invention relates to a curable composition comprising an ethylenically unsaturated compound and a specific photoinitiator having dual initiation mechanisms. The invention also relates to a process for the preparation of a cured product, in particular a 3D-printed article, with this composition and to the use of this composition for obtaining an ink, a coating, a sealant, an adhesive, a molded article or a 3D-printed article. The invention further pertains to the use of a specific phosphine oxide photoinitiator in a 3D printing composition or 3D printing process.
Claims27
A curable composition comprising:
- a) an ethylenically unsaturated compound consisting essentially of one or more (meth)acrylate-functionalized monomers and optionally one or more (meth)acrylate-functionalized oligomers;
- and
- b) a phosphine oxide photoinitiator having both Norrish Type I and Norrish type II activity.
Dependencies are inferred from the claim text.