C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
260/383, 96/89,
C07F 7/28 (2006.01) C07F 17/00 (2006.01) C08F 2/50 (2006.01) C09D 11/10 (2006.01) G03F 7/029 (2006.01) G03F 7/031 (2006.01)
Patent
CA 1332949
Titanocenes with silylated .pi.-cyclopentadienyl ligands in which one or two carbo- or heterocyclic aromatic rings are bonded to the titanium, the aromatic rings being substituted by fluorine, -CF3, -C2F5, -CF2Cl or -CF2CH3 in at least one of the two ortho-positions relative to the metal-carbon bonds, are suitable as photoinitiators for the photopoly- merization of ethylenically unsaturated substrates. They are distinguished by a high sensitivity, stability to air and the action of heat, and a high activity in the region of UV light to visible light. They are furthermore readily soluble in the photopolymerizable compositions.
543474
Klingert Bernd
Rembold Manfred
Sitek Franciszek
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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