TECHNOLOGY FOCUS - POLYMERS - Preparation (Disclosed): Preparation of the compound (I) or (II) involves reacting compound of formula (III) with compound of formula (IV) in presence of metal catalyst, to give the polymer compound.Hal=halo (preferably Br);R10-R102=1-10C alkyl (preferably methyl).Preferred Compounds: The polymer unit (I) or (II) is a unit of formula (Ia) or (IIa). Full Definitions:    R1=1-30C-alkyl, 2-30C-alkenyl or 2-30C alkynyl (all optionally mono- to hexa-substituted with R'c), 3-10C cycloalkyl, 5-10-cycloalkenyl or monovalent 3-14 membered aliphatic heterocyclic residue (all optionally mono- to hexa-substituted with R'd), 6-14-aryl or monovalent 5-14 membered aromatic heterocyclic residue (both optionally mono- to hexa-substituted with R'e), or H;    R'c=(=O), =C(CN)2, -O-2-6C-alkylene-O-, halo, -CN, -NO2, -OH, 1-10C-alkoxy, -O-CH2CH2O-1-10C-alkyl, -O-COR2, -S-1-10C-alkyl, -NH2, -NHR2, -NR2R3, -NH-COR2, -COOH, -COOR2, -CONH2, -CONHR2, -CONR2R3, -COH, -COR2, 3-10C-cycloalkyl, monovalent 3-14 membered aliphatic heterocyclic residue, 6-14C-aryl or monovalent 5-14 membered aromatic heterocyclic residue;    R'd=(=O), =C(CN)2, -O-2-6C-alkylene-O-, halo, -CN, -NO2, -OH, 1-10C-alkoxy, -O-CH2CH2O-1-10C-alkyl, -O-COR2, -S-1-10C-alkyl, -NH2, -NHR2, -NR2R3, -NH-COR2, -COOH, -COOR2, -CONH2, -CO NHR2, -CONR2R3, -CO-H, -COR2, 1-10C-alkyl, 2-10-alkenyl, 2-10C-alkynyl, 6-14C-aryl or monovalent 5-14 membered aromatic heterocyclic residue;    R'e=(=O), =C(CN)2, -O-2-6C-alkylene-O-, halo, -CN, -NO2, -OH, 1-10C-alkoxy, -O-CH2CH2O-1-10C-alkyl, -O-COR2, -S-1-10C-alkyl, -NH2, -NHR2, -NR2R3, -NH-COR2, -COOH, -COOR2, -CONH2, -CONHR2, -CONR2R3, -COH, -COR2, 1-10C-alkyl, 2-10C-alkenyl, 2-10C-alkynyl, 3-10C-cycloalkyl, 5-10C-cycloalkenyl or monovalent 3-14 membered aliphatic heterocyclic residue;    R2 and R3=1-10C-alkyl, 2-10C-alkenyl, 2-10C-alkynyl, 3-10C-cycloalkyl, 5-10C-cycloalkenyl, monovalent 3-14 membered aliphatic heterocyclic residue, 6-14C-aryl or monovalent 5-14 membered aromatic heterocyclic residue;    X=N or C-R4;    R4=1-10C-alkyl, 2-30C-alkenyl or 2-30C-alkynyl (all optionally mono- to hexa-substituted by R'f), 3-10C-cycloalkyl, 5-10C-cycloalkenyl, monovalent 3-14 membered aliphatic heterocyclic residue (optionally mono- to hexa-substituted with R'g), 6-14C-aryl or monovalent 5-14 membered aromatic heterocyclic residue (optionally mono- to hexa-substituted with R'h), or H;    R'f=(=O), =C(CN)2, -O-2-6C-alkylene-O-, halo, -CN, -NO2, -OH, 1-10C-alkoxy, -O-CH2CH2O-1-10C-alkyl, -O-COR5, -S-1-10C-alkyl, -NH2, -NHR5, -NR5R6, -NH-COR5, -COOH, -COOR5, -CONH2, -CONHR5, -CONR5R6, -CO-H, -COR5, 3-10C-cycloalkyl, monovalent 3-14 membered aliphatic heterocyclic residue, 6-14C-aryl or monovalent 5-14 membered aromatic heterocyclic residue;    R9=(=O), =C(CN)2, -O-2-6C-alkylene-O-, halo, -CN, -NO2, -OH, 1-10C-alkoxy, -O-CH2CH2O-1-10C-alkyl, -O-COR5, -S-1-10C-alkyl, -NH2, -NHR5, -NR5R6, -NH-COR5, -COOH, -COOR5, -CONH2, -CONHR5, -CONR5R6, -CO-H, -COR5, 1-10C-alkyl, 2-10C-alkenyl, 2-10C-alkynyl, 6-14C-aryl or monovalent 5-14 membered aromatic heterocyclic residue;    R'h=(=O), =C(CN)2, -O-2-6C-alkylene-O-, halo, -CN, -N02, -OH, 1-10C-alkoxy, -O-CH2CH2O-1-10C-alkyl, -O-COR5, -S-1-10C-alkyl, -NH2, -NHR5, -NR5R6, -NH-COR5, -COOH, -COOR5, -CONH2, -CONHR5, -CONR5R6, -CO-H, -COR5, 1-10C-alkyl, 2-10C-alkenyl, 2-10C-alkynyl, 3-10C-cycloalkyl, 5-10-cycloalkenyl or monovalent 3-14 membered aliphatic heterocyclic residue;    R5 and R6=1-10C-alkyl, 2-10C-alkenyl, 2-10C-alkynyl, 3-10C-cycloalkyl, 5-10C-cycloalkenyl, monovalent 5-14 membered aliphatic heterocyclic residue, 6-14C-aryl or monovalent 5-14 membered aromatic heterocyclic residue, group of formula -CH(R18)=CH-(R19)- in cis-/trans- form, or -C?=C-;    G1 and G2=6-14C-arylene or bivalent 5-14 membered aromatic heterocyclic residue (optionally mono- to hexa-substituted with R'a);    R'a=1-30C-alkyl, 2-30C-alkenyl, or 2-30C-alkynyl (all optionally mono- to hexa-substituted with R'i), 3-10C-cycloalkyl, 5-10C-cycloalkenyl or monovalent 3-14 membered aliphatic heterocyclic residue (all optionally mono- to hexa-substituted with R'j), (=O), =C(CN)2, -O-2-6C-alkylene-O-, halo, -CN, -NO2, -OH, 1-30C-alkoxy, -O-CH2CH20-1-30C-alkyl, -O-COR8, -S-1-30C-alkyl, -NH2, -NHR8, -NR8R9, -NH-COR8, -COOH, -COOR8, -CONH2, -CONHR8, -CONR8R9, -CO-H, or -COR8;    R8 and R9=1-30C alkyl, 2-30C-alkenyl, 2-30C-alkynyl, 3-10C-cycloalkyl, 5-10C-cycloalkenyl, monovalent 3-14 membered aliphatic heterocyclic residue, 6-14C-aryl and monovalent 5 to14 membered aromatic heterocyclic residue;    R'i=(=O), =C(CN)2, -O-2-6C-alkylene-O-, halo, -CN, -NO2, -OH, 1-10C-alkoxy, -O-CH2CH2O-1-10C-alkyl, -O-COR10, -S-1-10C-alkyl, -NH2, -NHR10, -NR10R11, -NH-COR10, -COOH, -COOR10, -CONH2, -CONHR10, -CONR10R11, -CO-H, -COR10, 3-10C-cycloalkyl, monovalent 3-14 membered aliphatic heterocyclic residue, 6-14C-aryl or monovalent 5-14 membered aromatic heterocyclic residue;    R'j=(=O), =C(CN)2, -O-2-6C-alkylene-O-, halo, -CN, -NO2, -OH, 1-10C-alkoxy, -O-CH2CH2O-1-10C-alkyl, -O-COR10, -S-1-10C-alkyl, -NH2, -NHR10, -NR10R11, -NH-COR10, -COOH, -COOR10, -CONH2, -CONHR10, -CONR10R11, -CO-H, -COR10, 1-10C-alkyl, 2-10C-alkenyl, 2-10C-alkynyl, 6-14C-aryl or monovalent 5-14 membered aromatic heterocyclic residue;    R10 and R11=1-10C-alkyl, 2-10C-alkenyl, 2-10C-alkynyl, 3-10C-cycloalkyl, 5-10C cycloalkenyl, monovalent 3-14 membered aliphatic heterocyclic residue, 6-14C-aryl or monovalent 5-14 membered aromatic heterocyclic residue;    R18 and R19=H or 1-30C-alkyl;    L'=6-24C-arylene or bivalent 5-24 membered aromatic heterocyclic residue (optionally mono- to hexa-substituted with R'b);    R'b=1-30C-alkyl, 2-30C-alkenyl or 2-30C-alkynyl (optionally mono- to hexa-substituted with R'k), 3-10C-cycloalkyl, 5-10C-cycloalkenyl or monovalent 3-14 membered aliphatic heterocyclic residue (optionally mono- to hexa-substituted with R'l), (=O), =C(CN)2, -O-2-6C-alkylene-O-, halo, -CN, -NO2, -OH, 1-30C-alkoxy, -O-CH2CH2O-1-30C-alkyl, -O-COR12, -S-1-30C-alkyl, -NH2, -NHR12, -NR12R13, -NH-COR12, -COOH, -COOR12, -CONH2, -CONHR12, -CONR12R13, -COH, or -COR12;    R12 and R13=1-30C alkyl, 2-30C-alkenyl, 2-30C-alkynyl, 3-10C-cycloalkyl, 5-10C-cyclo-alkenyl, monovalent 3-14 membered aliphatic heterocyclic residue, 6-14C-aryl or monovalent 5-14 membered aromatic heterocyclic residue;    R'k=(=O), =C(CN)2, -O-2-6C-alkylene-O-, halo, -CN, -NO2, -OH, 1-10C-alkoxy, -O-CH2CH2O-1-10C-alkyl, -O-COR14, -S-1-10C-alkyl, -NH2, -NHR14, -NR14R15, -NH-COR14, -COOH, -COOR14, -CONH2, -CONHR14, -CONR14R15, -CO-H, -COR14, 3-10C-cycloalkyl, monovalent 3-14 membered aliphatic heterocyclic residue, 6-14C-aryl or monovalent 5-14 membered aromatic heterocyclic residue;    R'l=(=O), =C(CN)2, -O-2-6C-alkylene-O-, halo, -CN, -NO2, -OH, 1-10C-alkoxy, -O-CH2CH2O-1-10C-alkyl, -O-COR14, -S-1-10C-alkyl, -NH2, -NHR14, -NR14R15, -NH-COR14, -COOH, -COOR14, -CONH2, -CONHR14, -CONR14R15, -CO-H, -COR14, 1-10C-alkyl, 2-10C-alkenyl, 2-10C-alkynyl, 6-14C-aryl or monovalent 5-14 membered aromatic heterocyclic residue;    R14 and R15=1-10C-alkyl, 2-10C-alkenyl, 2-10C-alkynyl, 3-10C-cycloalkyl, 5-10C-cycloalkenyl, monovalent 3-14 membered aliphatic heterocyclic residue, 6-14C-aryl or monovalent 5-14 membered aromatic heterocyclic residue;    R16 and R17=H, 1-30C-alkyl, -CN or halo;    q and s=0-5;    r=0-2;    n=2=10000.    EXAMPLE - No suitable example given.