Soluble N‐substituted poly(benzimidazole imide)s via C−N coupling reaction

Shang, Zhenfang; Yang, Li; Chang, Guanjun

doi:10.1002/pi.5060

Cited by 13 publications

(15 citation statements)

References 32 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…TBIB and BBIB were synthesized according to previous reports. 24,32 Sample Preparation. TBIB, L-TA, D-TA, L-MA, and D-MA were dissolved in DMSO as concentrated stock solutions (100 mM) and BBIB (50 mM).…”

Section: Discussionmentioning

confidence: 99%

“…l -Tartaric acid ( l -TA), l -mandelic acid ( l -MA), and d -mandelic acid ( d -MA) were purchased from Shanghai Aladdin Biochemical Technology Co., Ltd., and d -tartaric acid ( d -TA) was bought from Bide Pharmatech Ltd. HAuCl 4 ·6H 2 O, NiCl 2 ·6H 2 O, CuCl 2 ·2H 2 O, CoCl 2 ·6H 2 O, ZnSO 4 ·7H 2 O, BaCl 2 ·2H 2 O, CaCl 2 , MnSO 4 , dimethylsulfoxide, tetrahydrofuran (THF), ethyl alcohol, chloroform-D, and methanol-D were purchased from Jinan Saibo Instrument Co., Ltd. All water used in this work is deionized (DI) water. TBIB and BBIB were synthesized according to previous reports. , …”

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

High-Throughput Synthesis of Chiroptical Nanostructures from Synergistic Hydrogen-Bonded Coassemblies

et al. 2020

View full text Add to dashboard Cite

The emergence, amplification, and manipulation of chiroptical activity in self-assembled nanostructures, including circularly polarized absorbance and luminescence (CPL), remain considerable challenges. Here, we report the high-throughput synthesis of nanostructures with finely tailored chiroptical activities. Two fully π-conjugated benzimidazoles formed H-bonded complexes with natural hydroxyl acids (tartaric acid and mandelic acid), which self-assembled into diversified macroscopically chiral nanostructures. Synergistic coassembly allows for the emergence of Cotton effects and CPL with high dissymmetry g-factors (g abs up to 8 × 10 −3 , g lum up to 3 × 10 −3 ). The tartaric acid coassembled system exhibits enantiomer-independent left-handed CPL, which transforms into a cooperative ternary coassembly appended with enantiomerresolved CPL with extended emission wavelength upon selective transition metal ion chelation. This H-boned coassembly system provides a vast number of chiral nanostructures with flexibly tuned Cotton effects and CPL, which also behaves as a selective chiroptical sensor to metal ions.

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

High-Throughput Synthesis of Chiroptical Nanostructures from Synergistic Hydrogen-Bonded Coassemblies

et al. 2020

View full text Add to dashboard Cite

show abstract

“…High-performance polymers have generated intense academic and commercial interest, and they have been demonstrated to be excellent candidates as new high-performance lightweight materials due to their remarkably excellent mechanical performance, outstanding heat resistance, good chemical stability and low weight. 1 –3 Among such polymers, polyimide (PI) shows superior comprehensive performance compared to any other rigid polymers, such as poly(amino ether ketone) and polybenzimidazole. 4 –6 However, along with the ever-increasing demand for high-performance polymer materials with better comprehensive performance in many areas, the design and synthesis of new PI-based materials with enhanced properties has attracted extensive interest from many research groups.…”

Section: Introductionmentioning

confidence: 99%

Indole-based high-performance polymeric materials with enhanced mechanical and thermal properties via cation-π interaction

Guan

Liao

Yang

et al. 2019

High Performance Polymers

Self Cite

View full text Add to dashboard Cite

The preparation of high-performance polymeric materials with both excellent overall mechanical properties and heat resistance remains a considerable challenge. Inspired by the delicate self-assembly processes in nature, a facile strategy is reported for the preparation of high-performance polymeric materials with enhanced mechanical strength and improved thermal stability. In this instance, we successfully constructed a cation- π cross-linked polyimide (Na-poly(aryl indole) imide (Na-PINI)) film with enhanced mechanical performance and heat resistance (∼490°C). This work presents an innovative design strategy for realizing robust polymeric materials with integrated strength and thermal stability; the cation- π interaction is demonstrated to be a new method that may achieve many useful properties for high-performance polymers.

show abstract

“…18 Usually, bis-benzimidazole monomers contain imidazole functionality either at terminals (BI-I) or inside (BI-II) the structure (Figure 1). The latter one was majorly focused in previously reported poly( N- arylene benzimidazole)s. 13,19 –22 In this study, terminal bis-benzimidazole (bis-BI) is used, which is expected to have better NH reactivity 23 due to less hindered structure compared to BI-II and possibly lead to high-molecular-weight polymers with good mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of high Tg and organosoluble poly(N-arylene benzimidazole ether imide) copolymers by C–N/C–O coupling reaction

Sidra

Mushtaq

Chen

et al. 2017

High Performance Polymers

View full text Add to dashboard Cite

A series of poly( N-arylene benzimidazole ether imide) copolymers PEIBIs were prepared from 1H,3′H-5,5′-bis-benzimidazole, bisphenol-A and 4,4′-bis(4-fluorophthalimido)diphenyl ether by nucleophilic displacement polymerization. The resulting copolymers PEIBI(10–90) demonstrated moderate to good solubility in polar aprotic solvents and high glass transition temperatures ( Tgs) of 228–336°C, good thermal stability with 10% weight loss temperatures in the range of 503–548°C. All copolymer films showed good mechanical properties with tensile strengths of 101–130 MPa, tensile moduli of 3.3–4.0 GPa, elongations at break of 5–7%, and also presented low water uptake (0.15–0.34%). The wide-angle X-ray diffraction results revealed the amorphous nature of copolymers. The copolymer PEIBI-80 showed good balance in solubility, thermal and mechanical properties.

show abstract

Soluble N‐substituted poly(benzimidazole imide)s via C−N coupling reaction

Abstract: Novel heat‐resistant N‐substitutedpoly(benzimidazole imide)s (PBIIs) with good solubility were synthesized via a C‐N coupling reaction. The thermal behavior in air of the PBIIs polymers suggests that they can be considered as a new class of high‐performance polyimides.

Cited by 13 publications

References 32 publications

High-Throughput Synthesis of Chiroptical Nanostructures from Synergistic Hydrogen-Bonded Coassemblies

High-Throughput Synthesis of Chiroptical Nanostructures from Synergistic Hydrogen-Bonded Coassemblies

Indole-based high-performance polymeric materials with enhanced mechanical and thermal properties via cation-π interaction

Synthesis of high Tg and organosoluble poly(N-arylene benzimidazole ether imide) copolymers by C–N/C–O coupling reaction

Contact Info

Product

Resources

About