Facile Preparation of Highly Conductive Poly(amide-imide) Composite Films beyond 1000 S m−1 through Ternary Blend Strategy

Wang, Yanbin; Yu, Hao; Li, Yongchao; Wang, Teng; Xu, Tao; Chen, Jinxing; Fan, Zicheng; Wang, Yufeng; Wang, Biaobing

doi:10.3390/polym11030546

Cited by 30 publications

(14 citation statements)

References 65 publications

(73 reference statements)

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“…The second weight loss occurs at the range of 290–417 °C, which corresponds to the loss of dopant [28]. After 417 °C, the loss in weight occurs in a continuous way, which is due to the structural degradation of PANI backbone [42].…”

Section: Resultsmentioning

confidence: 99%

Cost Effective Chemical Oxidative Synthesis of Soluble and Electroactive Polyaniline Salt and Its Application as Anticorrosive Agent for Steel

2019

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The cost effective synthesis of electroactive polyaniline (PANI) while retaining its desirable properties is one of the most debatable and challenging tasks for researchers in the field. Herein, we report a cost effective inverse emulsion polymerization pathway for the synthesis of soluble and processable PANI salt by using diesel as a novel dispersion medium. Different reaction parameters and their effects on the properties and yield of polyaniline were optimized. The polymer exhibited a highly porous morphology and was found to be stable up to 417 °C. The PANI salt showed good solubility in common solvents, such as chloroform, N-Methyl-2-pyrrolidone (NMP), dimethyl sulphoxide (DMSO) and in a 1:3 mixtures by volume of 2-propanol and toluene. The coating of the synthesized PANI salt on stainless steel has shown good corrosion resistant behavior in marine water by reducing the corrosion rate to 67.9% as compared to uncoated stainless steel.

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Section: Resultsmentioning

confidence: 99%

Cost Effective Chemical Oxidative Synthesis of Soluble and Electroactive Polyaniline Salt and Its Application as Anticorrosive Agent for Steel

2019

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“…PAIs (PAI-GABA, PAI-EACA, and PAI-OAUA) were synthesized by phosphorylation polycondensation in accordance with the literature. 22 –27 The synthetic route of PAIs is illustrated in Figure 2. The experimental details are described as below using PAI-EACA as an example.…”

Section: Methodsmentioning

confidence: 99%

Influence of structural modification on the properties of poly(amide–imide)s

Wang

et al. 2019

Polymers and Polymer Composites

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In this study, the influence of length of flexible groups on the properties of poly(amide–imide)s (PAIs), three-model polymers (poly(amide–imide)-4-aminobutyric acid, poly(amide–imide)-6-aminocaproic acid, and poly(amide–imide)-11-aminoundecanoic acid) possessing different flexible methylene units ((CH2)3, (CH2)5, and (CH2)10) in the main chain were designed. With increasing the number of methylene units, it is found that the tensile strength of PAIs decreased from 75 MPa to 55 MPa; meanwhile, the elongation at break increased from 6% to 15%. On the other hand, the glass transition temperature decreased from 207°C to 112°C; fortunately, the starting decomposition temperature kept almost same with a high point around 400°C. Furthermore, the PAI with (CH2)10 unit in the main chain is a semicrystalline polymer, while the one with (CH2)5 or (CH2)3 unit is an amorphous material. In other words, the length of the flexible chain in the polymer backbone not only plays an important role in mechanical and thermal performances but also affects their phase transition. These findings highlight the important role of structural modification in high-performance polymers and may help in the further development of novel PAIs for their potential applications in advanced technology.

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“…Electrochemical activity, electrical conductivity, mechanical elasticity, biocompatibility, and environmental stability of conducting polymers [ 6 ] are among the most desired properties required for the advancement of sensing performance of analytical and bioanalytical systems. In addition, some conducting polymers possess very good electrical conductivity [ 7 , 8 ] and unique capabilities to transfer electric charge from redox enzymes towards electrodes [ 9 ].…”

Section: Introductionmentioning

confidence: 99%

Conducting Polymers in the Design of Biosensors and Biofuel Cells

2020

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Fast and sensitive determination of biologically active compounds is very important in biomedical diagnostics, the food and beverage industry, and environmental analysis. In this review, the most promising directions in analytical application of conducting polymers (CPs) are outlined. Up to now polyaniline, polypyrrole, polythiophene, and poly(3,4-ethylenedioxythiophene) are the most frequently used CPs in the design of sensors and biosensors; therefore, in this review, main attention is paid to these conducting polymers. The most popular polymerization methods applied for the formation of conducting polymer layers are discussed. The applicability of polypyrrole-based functional layers in the design of electrochemical biosensors and biofuel cells is highlighted. Some signal transduction mechanisms in CP-based sensors and biosensors are discussed. Biocompatibility-related aspects of some conducting polymers are overviewed and some insights into the application of CP-based coatings for the design of implantable sensors and biofuel cells are addressed. New trends and perspectives in the development of sensors based on CPs and their composites with other materials are discussed.

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Facile Preparation of Highly Conductive Poly(amide-imide) Composite Films beyond 1000 S m−1 through Ternary Blend Strategy

Cited by 30 publications

References 65 publications

Cost Effective Chemical Oxidative Synthesis of Soluble and Electroactive Polyaniline Salt and Its Application as Anticorrosive Agent for Steel

Cost Effective Chemical Oxidative Synthesis of Soluble and Electroactive Polyaniline Salt and Its Application as Anticorrosive Agent for Steel

Influence of structural modification on the properties of poly(amide–imide)s

Conducting Polymers in the Design of Biosensors and Biofuel Cells

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