Developing conductive immiscible polystyrene/polypropylene blends with a percolated conducting polyaniline/polyamide filler by tuning its specific interactions with the styrene‐based triblock compatibilizer grafted with maleic anhydride

Abstract

An approach to induce conductivity in immiscible polystyrene/polypropylene (PS/PP) blends is described using a percolated conducting polyaniline/polyamide (PANI/PA) filler combined with a polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrenegraft-maleic anhydride compatibilizer. The approach is based on the ability of the compatibilizer to concomitantly stabilize the cocontinuous morphology and to improve the state of dispersion of the PANI/PA filler. Selective localization of PANI/PA in the PS phase with improved filler dispersion is achieved with the optimal master batch (MB) preparation technique followed by its optimized sequence addition to the blend components. This results in an increase in the dc conductivity by six decades as compared with that of the neat compatibilized blend at an effective 4.8-wt % PANI concentration. An investigation of the effect of functionality and concentration of the filler and the compatibilizer on the filler connectivity in the blend is performed. The prevailing specific interactions are analyzed by Fourier transform infrared spectroscopy and thermogravimetric analysis of the MBs.

Selective dye adsorption by pH modulation on chemically modified nanopolyaniline by N-grafting of maleic acid

“…45 After the grafting of PANI with maleic acid (PANI- g -MA), the band at 1495 cm −1 assigned to the benzenoid ring of PANI was shifted to lower wavenumber (1472 cm −1 ). The appearance of new peaks at 1694 cm −1 and 2924 cm −1 is attributed to the CO stretching of the amide group 46 and the C–H of the polymer, 47 and the peak at 3446 cm −1 corresponding to –OH 48 stretching clearly indicates that maleic acid was successfully incorporated into the polymer backbone. 49…”

Electrospun Silica-Polyacrylonitrile Nanohybrids for Water Treatments

“…The roughness parameter may be one of the most significant factors in terms of interaction with the environment. In particular, we consider the Sdr value as one that reveals a potentially active surface area, enabling a certain kind of interaction (chemical reactions, absorption, adhesion) [ 18 , 19 , 23 , 38 , 39 , 40 , 41 , 42 ]. To show the statistical significance between PAN and PAN-Si fibers, the Student’s t-test and ANOVA were used.…”

Enhanced dielectric properties, thermal stability and ammonia sensing performance of poly(diphenylamine)/zinc oxide nanocomposites via one step polymerization

“…[1][2][3][4][5][6] Among them, PANI has gained much attention owing to its cost-effectiveness, feasibility in fabrication, higher thermal stability, electrical conductivity and so forth. 7 Unfortunately, the hydrogen bonding interactions between amine moieties and rigid PANI backbones limit their applications. The aforementioned limitations are overcome by introducing alkyl, aryl or alkoxy substituents to the PANI backbones.…”

“…Polyaniline (PANI), polyindole (PIN), polythiophene (PT) and polypyrrole (PPy) are the commonly used conducting polymers 1–6 . Among them, PANI has gained much attention owing to its cost‐effectiveness, feasibility in fabrication, higher thermal stability, electrical conductivity and so forth 7 . Unfortunately, the hydrogen bonding interactions between amine moieties and rigid PANI backbones limit their applications.…”