Effects of biopolyimide molecular design on their silica hybrids thermo-mechanical, optical and electrical properties

Dwivedi, Sumant; Sakamoto, S.; Kato, Shunsuke; Mitsumata, Tetsu; Kaneko, Tatsuo

doi:10.1039/c8ra01965g

Cited by 13 publications

(9 citation statements)

References 54 publications

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“…In Table 1, the dielectric data for all the prepared PBO- co -PBIs were presented in tabular form for better understanding and elaborated discussion was already done in the main manuscript. All the data were compared with Kapton™, which is a well-known commercial polymer dielectric material [6].…”

Section: Datamentioning

confidence: 99%

Dataset of various characterizations for novel bio-based plastic poly(benzoxazole-co-benzimidazole) with ultra-low dielectric constant

et al. 2019

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The data presented in this specified data article comprise of various characterization such as: structural, thermal, elemental etc. to understand the novel structure and specific properties of the bio-based plastic as described in the main research article “High-performance poly (benzoxazole/benzimidazole)bio-based plastics with ultra-low dielectric constant from 3-amino-4-hydroxybenzoic acid” [1]. The data of 1 H NMR spectra of two monomers and their HCl salt formation required for polymerization, FT-IR spectra of polymer formation before and after thermal ring-closing and additionally supported by the thermogravimetric plots where mass loss due to water is observed around 400 °C (thermal ring closing temperature). Solvent plays effective role to change dielectric properties significantly, complete removal of the remaining solvents was confirmed by X-ray photoelectron spectroscopy (XPS) technique. Wide-angle XRD dataset was presented here to make an idea about degree of crystallinity of the prepared polymers.

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Section: Datamentioning

confidence: 99%

Dataset of various characterizations for novel bio-based plastic poly(benzoxazole-co-benzimidazole) with ultra-low dielectric constant

et al. 2019

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“…All chemicals were directly used as purchased. 4,4′-Diamino- α -truxillic acid and 4,4′-diamino- α -truxillic acid dimethyl ester were synthesized based on previous research [4,5,10].…”

Section: Methodsmentioning

confidence: 99%

Fluorinated and Bio-Based Polyamides with High Transparencies and Low Yellowness Index

2018

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Bio-based polyamides with high transparency and low yellowness were synthesized using 4,4′-bis(trifluoroacetamido)-α-truxillic acid (ATA-F1) and 4,4′-bis(pentafluoropropionamido)-α-truxillic acid (ATA-F2) as a fluoroalkylated aromatic dicarboxylic acid, and various aromatic diamines. The introduction of fluorine side chains improved the transparency of the polyamide film, and suppressed its yellowness. On the other hand, water repellency, which should be a general characteristic of the fluorinated polymers, was not observed. By using ATA-F1 and various aromatic diamines, aromatic and fluorinated polyamides were obtained. In addition, these also demonstrated a high transparency and a low yellowness index. The heat resistance properties of all the obtained polyamides was over 250 °C, and the characteristics of the bio-based polyamides from 4-aminocinnamic acid derivatives were retained.

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“…The precursor of this bioPI was used to prepare silica hybrids by sol-gel polycondensation with silicon alkoxide and in vacuo thermal annealing. The method generated transparent, thermo-mechanically robust films with excellent electrical stability [55].…”

Section: Pis Derived From Escherichia Colimentioning

confidence: 99%

New High-Performance Materials: Bio-Based, Eco-Friendly Polyimides

Rusu¹,

Abadie²

2021

Polyimide for Electronic and Electrical Engineering Applications

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The development of high-performance bio-based polyimides (PIs) seems a difficult task due to the incompatibility between petrochemical-derived, aromatic monomers and renewable, natural resources. Moreover, their production usually implies less eco-friendly experimental conditions, especially in terms of solvents and thermal conditions. In this chapter, we touch some of the most significant research endeavors that were devoted in the last decade to engineering naturally derived PI building blocks based on nontoxic, bio-renewable feedstocks. In most cases, the structural motifs of natural products are modified toward amine functionalities that are then used in classical or nonconventional methods for PI synthesis. We follow their evolution as viable alternatives to traditional starting compounds and prove they are able to generate eco-friendly PI materials that retain a combination of high-performance characteristics, or even bring some novel, enhanced features to the field. At the same time, serious progress has been made in the field of nonconventional synthetic and processing options for the development of PI-based materials. Greener experimental conditions such as ionic liquids, supercritical fluids, microwaves, and geothermal techniques represent feasible routes and reduce the negative environmental footprint of PIs' development. We also approach some insights regarding the sustainability, degradation, and recycling of PI-based materials.

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Effects of biopolyimide molecular design on their silica hybrids thermo-mechanical, optical and electrical properties

Abstract: Biopolyamide structure and their silica hybrids performances were studied. Biopolyamide with inability to interact with silanol during sol–gel condensation for silica formation showed superior thermo-mechanical, optical and electrical properties.

Cited by 13 publications

References 54 publications

Dataset of various characterizations for novel bio-based plastic poly(benzoxazole-co-benzimidazole) with ultra-low dielectric constant

Dataset of various characterizations for novel bio-based plastic poly(benzoxazole-co-benzimidazole) with ultra-low dielectric constant

Fluorinated and Bio-Based Polyamides with High Transparencies and Low Yellowness Index

New High-Performance Materials: Bio-Based, Eco-Friendly Polyimides

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