C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/392, 402/520
C08F 2/50 (2006.01) A61K 6/083 (2006.01) G03F 7/031 (2006.01)
Patent
CA 1216996
Abstract A process for the photo-polymerization of vinyl compounds in the presence of photo-initiators. The photoinitiators consist of carbonyl compounds as the photosensitive agent and N-alkyl-pyrazoles, N-aryl-pyrazoles, N-alkyl-triazoles, N-aryl-triazoles, N-alkyl-tetrazoles and N-aryl-tetrazoles as the reducing agent. The process is particularly suitable for the polymerization of dental materials containing acrylic acid esters and/or methacrylic acid esters by irradiation with UV or visible light. A suitable photosensitive agent included in the photo-initiators is, for example, camphorquinone and suitable reducing agents are, for example, 1-arylpyrazolones, 2-aryl-2H-benzotriazoles, 1-alkyl-1H-tetrazoles and 1-aryl-1H-tetrazoles.
442289
Heraeus Kulzer Gmbh & Co. Kg
Macrae & Co.
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