PHOTOCHEMICALLY ACTIVE POLYMER MATERIALS Russian patent published in 2016 - IPC C08F120/00 C08F20/00 G02F1/1337 

FIELD: chemistry.

SUBSTANCE: invention relates to novel photochemically active polymer materials. Polymer material contains repeating units of formula (I): wherein M¹ denotes a monomer link, selected from a group comprising acrylate, methacrylate, 2-chloroacrylate, 2-phenylacrylate, vinyl ether, vinyl ester, styrene, siloxane; ring a is an unsubstituted phenylene, phenylene which is substituted with fluorine, chlorine, cyano group, alkyl or alkoxy group, pyridine-2,5-diiyl, pyrimidine-2,5-diiyl, 1,3-dioxane-2,5-diiyl, cyclohexane-1,4-diiyl, piperidine-1,4-diiyl or piperazine-1,4-diiyl; ring b is an unsubstituted phenylene, phenylene which is substituted with fluorine, chlorine, cyano group, alkyl or alkoxy group, pyridine-2,5-diiyl, pyrimidine-2,5-diiyl, 1,4-naphthylene, 2,6-naphthylene, 1,3-dioxane-2,5-diiyl or cyclohexane-1.4-diiyl; Y¹,Y² all independently denote common covalent bond, -(CH₂)_t-, -O-, -CO-, -CO-O-, -O-OC-, -NR⁴-, -CO-NR⁴-, -R⁴N-CO-, -(CH₂)_u-O-, -O-(CH₂)_u-, -CF₂O-, -OCF₂-, -(CH₂)_u-NR⁴- or-NR⁴-CH (₂)_u-, where R⁴ denotes hydrogen or lower alkyl; t denotes an integer from 1 to 4; u denotes an integer from 1 to 3; m, n all independently are equal to 0 or 1; ring c is an unsubstituted phenylene, phenylene which is substituted with fluorine, chlorine, cyano group, alkyl or alkoxy group , pyrimidine-2,5-diiyl, pyridine-2,5-diiyl, 2,5-thiophenylene, 2,5-furanylene, 1,4-naphthylene or 2,6-naphthylene; S¹ denotes a bridge link, wherein if m and n are equal to 0, bridge link is S², and if at least one m or n equals 1, bridge link is S³; where S² denotes C₄-C₂₄-alkylene and S³denotes C₉-C₂₄-alkylene, preferably C₁₀-C₂₄-alkylene, and where alkylene is unsubstituted or substituted with linear or branched chain alkylene, in which one or more-CH₂groups can be substituted by at least one bridge, alicyclic or/and an aromatic group, Z denotes -O- or -NR⁵-, where R⁵ denotes hydrogen or lower alkyl, or a second group of formula D, where D denotes unsubstituted having a linear chain C₁-C₂₀-alkylene group, unsubstituted with branched chain C₁-C₂₀-alkylene group having a linear chain C₁-C₂₀-alkylene group, substituted with fluorine or chlorine with branched chain C₁-C₂₀-alkylene group, substituted with fluorine or chlorine, unsubstituted cycloalkyl residue containing 3 to 8 ring atoms, or cycloalkyl residue containing 3 to 8 ring atoms, substituted with fluorine, chlorine, alkyl or alkoxy group. Invention also discloses a monomer compound, a method of producing polymer compositions, application of polymer material, a method of producing alignment layer for liquid crystals, alignment layers, optical or electro-optical elements.

EFFECT: technical result is obtaining novel polymers having photochemical reactivity, that provide good orientation of layers in preparation of optical or electro-optical elements.

15 cl, 2 ex