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    • 4. 发明授权
    • Silicone-compatible photoinitiators, and photosensitive mixtures
comprising them
    • 与硅酮相容的光引发剂和包含它们的光敏混合物
    • US5776658A
    • 1998-07-07
    • US536738
    • 1995-09-29
    • Claus-Peter NiesertGeorg PawlowskiWilli-Kurt GriesKlaus-Juergen Przybilla
    • Claus-Peter NiesertGeorg PawlowskiWilli-Kurt GriesKlaus-Juergen Przybilla
    • C07F7/08C07F7/18C08F2/50C08G77/04C08G77/382G03F7/075C08J3/28C08G77/06C08G77/18
    • C07F7/0854C07F7/1836C08F2/50C08G77/382G03F7/075Y10S522/904Y10S522/905
    • Compounds of the general formula I: (SIL--X--).sub.m IN (I), in which SIL is a radical of the formula Si(R.sup.1)(R.sup.2)(R.sup.3), where R.sup.1 is an alkyl, haloalkyl or alkoxy radical of 1 to 8 carbon atoms, an alkenyl radical, an alkenyloxy or acyloxy radical of 2 to 8 carbon atoms, an aryl or aryloxy radical of 6 to 10 carbon atoms, or a dialkyl-, diaryl- or alkylaryl-methyleneaminooxy radical having C.sub.1 -C.sub.4 -alkyl or C.sub.6 -aryl groups; and R.sup.2 and R.sup.3 are identical or different radicals with the meaning of R.sup.1 or X--IN; X is a group C.sub.n H.sub.2n ; IN is the radical of a compound which is active as a photoinitiator or photosensitizer and which has at least one carbonyl group located on an aromatic nucleus; m is a number from 1 to 4; and n is a number from 2 to 12, or of the formula II: Si.sub.o O.sub.o-1 (--X--IN).sub.p R.sup.4.sub.2o+2-p (II), in which R.sup.4 is a radical with the meaning of R.sup.1, and two or more radicals R.sup.4 may be the same as or different from one another; o is a number from 2 to 20,000; and p is a number from 1 to o, and the symbols X and IN are as defined above, the group X being attached to an aromatic carbon atom which is positioned ortho to the carbonyl group of IN. The compounds are prepared by reacting a compound IN--H with a compound SIL--X' or a compound Si.sub.o O.sub.o-1 (--X').sub.p R.sup.4.sub.2o+2-p in the presence of a ruthenium compound. They are suitable as radical-forming photoinitiators or as photosensitizers in silicone-containing photopolymerizable mixtures, in particular for the production of waterless-printing planographic printing plates.
    • 通式I:(SIL-X-)mIN(I)的化合物,其中SIL是式Si(R1)(R2)(R3)的基团,其中R1是烷基,卤代烷基或烷氧基 2至8个碳原子的烯基,烯氧基或酰氧基,6至10个碳原子的芳基或芳氧基,或具有C 1 -C 4烷基的二烷基 - ,二芳基 - 或烷基芳基 - 亚甲基氨基氧基, 烷基或C6-芳基; R2和R3是相同或不同的具有R1或X-IN含义的基团; X是CnH2n基团; IN是作为光引发剂或光敏剂具有活性的化合物的基团,其具有位于芳香核上的至少一个羰基; m是从1到4的数字; 并且n是2至12的数,或式II:SioOo-1(-X-IN)pR42o + 2-p(II)的数,其中R 4是具有R 1的含义的基团,以及两个或更多个 基团R 4可以彼此相同或不同; o是从2到20,000的数字; 并且p是1至o的数,符号X和IN如上所定义,基团X连接到位于与IN的羰基邻位的芳族碳原子上。 化合物通过化合物IN-H与化合物SIL-X'或化合物SioOo-1(-X')pR42o + 2-p在钌化合物的存在下反应制备。 它们适用于含硅酮的光聚合混合物中的自由基形成光引发剂或光敏剂,特别是用于生产无水印刷平版印刷版。