61241-01-8Relevant articles and documents
Compounds and their application as well as a method of producing liquid crystalline polymers therefrom
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, (2008/06/13)
The invention relates to compounds with the general formula Y1 --A1 --M1 --A2 --Y2 wherein Y1 and Y2 are different from each other and Y1 is an acrylate or methacrylate residue and Y2 is a vinyl ether, epoxy, or azide residue, A1 and A2 are identical or different residues with the general formula Cn H2n in which n is a whole number from 0 to 20 and one or more methylene groups can be replaced by oxygen atoms, and M1 has the general formula --R1 --X1 --R2 --X2 --R3 --X3 --R4 -- wherein R1, R2, R3, and R4 are identical or different doubly bonded residues from the group --O--, --COO--, --CONH--, --CO--, --S--, --C C--, --CH=CH--, --CH=N--, --CH2 --, --N=N--, and --N=N(O)--, and R2 --X2 --R3 can also be a C--C bond, and X1, X2, and X3 are identical or different residues from the group 1,4-phenylene, 1,4-cyclohexylene; arylalkane or heteroarylalkane with 1 to 10 carbon atoms which contains one to three heteroatoms from the group O, N, and S, substituted with B1, B2, and/or B3 ; and cycloalkylene with 1 to 10 carbon atoms and substituted with B1, B2, and/or B3, wherein B1, B2, and B3 can be identical or different substituents from the group --H, C1 -C20 -alkyl, C1 -C20 -alkoxy, C1 -C20 -alkylthio, C1 -C20 -alkylcarbonyl, C1 -C20 -alkoxycarbonyl, C1 -C20 -alkylthiocarbonyl, --OH, halogen (fluorine, chlorine, bromine, iodine), --CN, --NO2, cycloalkyl, formyl, acetyl, and alkyl, alkoxy, or alkylthio residues with 1-20 carbon atoms interrupted by ether oxygen, thioether sulfur, or ester groups.
