C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
345/11, 31/154,
C07C 211/44 (2006.01) C07C 211/48 (2006.01) C07C 211/52 (2006.01) C07C 245/08 (2006.01) C07C 255/58 (2006.01) G02F 1/35 (2006.01) G02F 1/361 (2006.01)
Patent
CA 2024392
-32- O.Z. 0050/41072 Abstract of the Disclosure: The novel compounds of the general formula I (I) Image where X is straight-chain or branched alkanediyl having from 1 to 20 carbon atoms or X is straiqht-chain or branched alkanediyl having from 2 to 20 carbon atoms, whose carbon chain is inter- rupted by -O-, -S- and/or -NR-, R is hydrogen, straight-chain or branched alkyl having from 1 to 6 carbon atoms or cycloalkyl, and Y is a non-centrosymmetric radical containing an easily polarized conjugated .pi.-electron system and at least one terminal electron-acceptor group, having nonlinear optical properties, are highly suitable as nonlinear optical materials for nonlinear optical arrangements and for the preparation of polymers having nonlinear optical properties. In particular, they can be used to prepare organopolysiloxanes having nonlinear optical properties and containing side groups of the general formula Ia Image (Ia) in which the variables are as defined above. These novel organopolysiloxanes having nonlinear optical properties are also highly suitable for the production of Langmuir- Blodgett layers.
Brox Wolfgang
Fuchs Harald
Funhoff Dirk
Licht Ulrike
Schrepp Wolfgang
Basf Aktiengesellschaft
Robic
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