Photoactivatable compositions and layers containing arylthioketones
Abstract
Abstract PHOTOACTIVATABLE SYSTEMS, SUCH AS THOSE CONTAINING PHOTOPOLYMERIZABLE COMPOSITIONS, EXHIBITING IMPROVED PHOTOSPEED AND/OR COLOR-FORMING PROPERTIES CONTAIN THIOKETONES OF THE FOLLOWING TYPES: (1) ARYL AND SUBSTITUTED ARYL THIOKETONES ((R1-PHENYL)-C(=S)-),R2-BENZENE WHERE R1R2=H, ALKYL, ALKOXY, ALKYLAMINO, HALOGEN, ETC., (2) CONDENSED OR HETEROCONDENSED AROMATIC THIOKETONES S=C<(-(R1-PHENYLENE)-A-(R2-PHENYLENE)-) WHERE R1, R2 ARE THE SAME AS ABOVE; A=A COVALENT BOND OR AN ATOM OR GROUP OF ATOMS (C,O,S) NECESSARY TO MAKE A CONDENSED RING, AND (3) HERETOAROMATIC THIOKETONES R1-B-C(=S)-D-R2, S=C<(-B(-R1)-A-D(-R2)-), AND S=C<(-B(-R1)-D(-R2)-) WHERE R1, R2, A ARE THE SAME AS ABOVE; B, D=ATOM OR GROUP OF ATOMS (C,O,S,N) NECESSARY TO MAKE AN AROMATIC HETEROCYCLIC OR CONDENSED AROMATIC HETEROCYCLIC RINGS.
Inventors
- 👤 Roxy Ni Fan
Bibliographic Details
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