Patent ID: 9200118
Filing Date: 2015-12-01
Classification: C08G,C08J

Abstract:
1. Polybenzimidazole (PBI) based polymeric forms of ionic liquids of formula III and IV wherein A,B are repeat units; R X′″ is selected from (C ArSO 3 , where Ar may be substituted or unsubstituted aromatic moiety, NO 3 , NO 2 , PO 3 , BF 4 , HPO 4 − N(SO 2 CF 3 ) 2 , H 2 PO 4 , HSO 4 , S 2 O 3 , ClO, BrO 3 , CrO 4 , HCO 3 , C 2 O 4 , MnO 4 , NH 2 , FeCl 4 − , PF 6 − , (CN) 2 N − , C 16 H 34 PO 4 − , C 12 H 25 C 6 H 4 O 3 − , SCN − , CH 2 ═CHCOOCH 2 CH 2 CH 2 SO 3 − , CH 2 ═CHSO 3 − , C 6 H 4 CO 3 SN − , o-tosylate, Pyrazolium anion, Imadaolium anion, Triazole anion, Tetrazole anion, Oxazole anion, Indolium anion, Benztriazole anion, Phenoxide anion, N(SO 2 (C n F 2n+1 )) 2 bis((perfluoroethyl) sulfonyl)imide (BETU), Diethylenglykolmonomethylethersulphate (MDEGSO4 − ), alkylylsulfate (C n H 2n+1 )SO 4 − fluoroalkylylsulfate (C n F 2n+1 )SO 4 − Tetracyanoborate (B(CN) 4 − ), Tetrafluorosuccinate, Hexafluoroglutarate, Oxalate, Malonate, Glycolate, L-Tartrate, Maleate, Mucobromate, Nitrilotriacetate, 5-Aminotetrazolate, DL-Tartrate, Lactate, Gluconate, DL-Malate, or mixture thereof. wherein R is a tetraamine monomer having structure formula V(a)-V(f) wherein structure formula V(a)-R 1 , R 2 ═H, CH 3 , CF 3 , F, Cl, Br, I, NO 2 or C 1-24 containing alkyl or aryl groups, wherein structure formula V(b)-R 1 , R 2 , R 3 , R 4 ═H, CH 3 , CF 3 , F, Cl, Br, I, NO 2 or C 1-24 alkyl or aryl groups, wherein structure formula V(c)-R wherein structure formula V(d)-R 1 , R 2 , R 3 , R 4 ═H, CH 3 , CF 3 , F, Cl, Br, I, NO 2 or C 1-24 alkyl or aryl groups, wherein structure formula V(e)-, R 1 , R 2 , R 3 , R 4 ═H, CH 3 , CF 3 , F, Cl, Br, I, NO 2 or C 1-24 alkyl or aryl groups and X can be any of the following: —CH 2 —, —O—, —SO 2 —, —C(CH 3 ) 2 —, —C(CF 3 ) 2 —, —C(Ph) 2 -, —CH 3 C(Ph)-, —CH 3 C(isopropyl)-, —CH 3 C(t-butyl)-, —CH 3 C(n-propyl)-, —CH 3 C(ethyl)- or any other C 1-24 containing alkyl or aryl groups, and R′ of Formula III and IV is dicarboxylic acid as shown in structure VI: wherein k=1-30 containing alkyl, aryl, aromatic, arylene, alkylene, arylene-ether or heterocyclic ring such as pyridine, pyrazine, furan, quinoline or thiophene groups as straight chain, branched, cyclic, aromatic or combination of these; X═H, O, N, S, halogen or combination thereof, n=0-10 and m=appropriate numbers of hydrogens.