Titanocenes and a radiation-polymerizable composition containing

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...

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522 66, 430286, 430925, 430947, 526170, 556 53, C08F 250, C08F 476, C08L 3314

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active

047134011

ABSTRACT:
Titanocenes with .pi.-cyclopentadienyl ligands, in which one or two carbocyclic or heterocyclic aromatic rings are bonded to the metal, the aromatic rings being substituted in at least one of the two ortho-positions relative to the metal-carbon bonds by CF.sub.2 Z (Z=F or substituted or unsubstituted alkyl), are suitable as photoinitiators for the photopolymerization of ethylenically unsaturated compounds. They are distinguished by a high radiation sensitivity, stability to air and thermal effects, and high effectiveness in the range from UV light to visible light.

REFERENCES:
patent: 4530879 (1985-07-01), Drahnak
patent: 4548891 (1985-10-01), Riediker et al.
patent: 4590287 (1986-05-01), Riediker

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