Formula: C12H8Br2. Recently I am researching about ANODIC-OXIDATION PATHWAYS; AROMATIC POLYAMIDES; THERMOSET EPOXY; TRIPHENYLAMINE; POLYMER; PERFORMANCE; ARAMIDS; POLYBENZOXAZINES; ELECTROCHEMISTRY; DERIVATIVES, Saw an article supported by the Advanced Research Center for Green Materials Science and Technology from The Featured Area Research Center Program within Ministry of Education in Taiwan [109L900G]; Ministry of Science and Technology in Taiwan (MOST) [109-2634-F-002-042, 107-2113-M-002-024-MY3, 107-2221 -E-002-066-MY3]. Published in PERGAMON-ELSEVIER SCIENCE LTD in OXFORD ,Authors: Huang, CL; Kung, YR; Shao, YJ; Liou, GS. The CAS is 92-86-4. Through research, I have a further understanding and discovery of 4,4′-Dibromobiphenyl
Newly designed dimethylamine-substituted triphenylamine (TPA) derivatives, N,N’-(1,4-phenylene)bis(N-(4-((tert-butyldimethylsilyl)oxy)phenyl)-N ”,N ”-dimethylbenzene-1,4-diamine) (NTPPA-2Si) and N,N’4(1,1′-biphenyl)-4,4′-diyl)bis(N-(4-((tert-butyldimethylsilyl)oxy)pheny1)-N ”,N ”-dimethylbenzene-1,4-diamine) (NTPB-2Si), with silyl ether protecting groups were readily synthesized. Subsequently, novel electroactive aromatic poly(ether sulfone)s (PES), NTPPA-PES and NTPB-PES, could be obtained from silyl polycondensation. The PESs were readily soluble in commonly used laboratory organic solvents and could be solution-cast into tough and amorphous films with moderate levels of glass-transition temperature around 220 degrees C and thermal stability without significant weight loss up to 400 degrees C under nitrogen or air atmosphere. The Nernst equation method was used to explore the number of electrons transferred at each oxidation step of the targeted two monomers. Furthermore, these two anodic electrochromic PESs were introduced into electrochromic devices accompanied with cathodic heptyl viologen (HV), and the resulted devices demonstrated a high coloration contrast and excellent electrochemical stability. (C) 2020 Elsevier Ltd. All rights reserved.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem