US 12,448,473 B2
Method for the preparation of photoaligning polymer materials and compositions
Cedric Klein, Herrlisheim-près-Colmar (FR); Fabien Xavier Delbaere, Flaxlanden (FR); and Richard Frantz, Village-Neuf (FR)
Assigned to ROLIC TECHNOLOGIES AG, Allschwil (CH)
Appl. No. 16/628,183
Filed by ROLIC TECHNOLOGIES AG, Allschwil (CH)
PCT Filed Aug. 8, 2018, PCT No. PCT/EP2018/071532
§ 371(c)(1), (2) Date Jan. 2, 2020,
PCT Pub. No. WO2019/030294, PCT Pub. Date Feb. 14, 2019.
Claims priority of application No. 17185480 (EP), filed on Aug. 9, 2017.
Prior Publication US 2020/0148802 A1, May 14, 2020
This patent is subject to a terminal disclaimer.
Int. Cl. C08F 220/30 (2006.01); C08F 20/30 (2006.01); C08F 22/26 (2006.01); C08F 120/30 (2006.01); C08F 220/22 (2006.01); C08F 222/26 (2006.01); G02F 1/1337 (2006.01); C08F 20/22 (2006.01); C08F 22/20 (2006.01); C08F 120/22 (2006.01); C08F 122/20 (2006.01); C08F 122/26 (2006.01); C08F 222/18 (2006.01); C08F 222/20 (2006.01)
CPC C08F 220/303 (2020.02) [C08F 20/30 (2013.01); C08F 22/26 (2013.01); C08F 220/22 (2013.01); C08F 222/26 (2013.01); G02F 1/133711 (2013.01); G02F 1/133788 (2013.01); C08F 20/22 (2013.01); C08F 22/20 (2013.01); C08F 120/22 (2013.01); C08F 120/30 (2013.01); C08F 122/20 (2013.01); C08F 122/26 (2013.01); C08F 220/30 (2013.01); C08F 220/302 (2020.02); C08F 222/18 (2013.01); C08F 222/185 (2020.02); C08F 222/20 (2013.01); C08F 222/205 (2020.02)] 16 Claims
 
1. Polymer comprising repeating structural units of formula (I)

OG Complex Work Unit Chemistry
wherein:
M1 is acrylate, methacrylate or styrene
ring A signifies phenylene which is unsubstituted or optionally substituted with fluorine, chlorine, cyano, alkyl, alkoxy, pyridine-2,5-diyl, pyrimidine-2,5-diyl, or cyclohexane-1,4-diyl;
ring B signifies phenylene which is unsubstituted or optionally substituted with fluorine, chlorine, cyano, alkyl, alkoxy, pyridine-2,5-diyl, pyrimidine-2,5-diyl, 1,4- or 2,6-naphthylene, or cyclohexane-1,4-diyl;
Y1, Y2 each independently signify a single covalent bond, —CH2CH2—, —O—, —CF2O, —OCF2—, —CH2—O—, —O—CH2—, —CO—O— or —O—OC—;
ring C signifies phenylene which is unsubstituted or optionally substituted with fluorine, chlorine, cyano, alkyl, alkoxy, pyrimidine-2,5-diyl, pyridine-2,5-diyl, 2,5-furanylene, or 1,4- or 2,6-naphthylene;
Z signifies —O— and
S1 is a spacer unit; and
D is a C1-C3 straight-chain or branched alkylene chain which contains one or more siloxane moieties, and
m and n signify a whole number of 0 to 4.