Fluorinated Polyimide/Allomelanin Nanocomposites for UV-Shielding Applications

Li, Qing; Guo, Yujuan; Wu, Musheng; Deng, Feiqi; Feng, Jinhui; Liu, Jiafeng; Liu, Sheng; Ouyang, Chaoliu; Duan, Wengui; Yi, Shunmin; Liao, Guangfu

doi:10.3390/molecules28145523

Cited by 4 publications

(1 citation statement)

References 61 publications

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“…Ultraviolet (UV)-shielding materials based on a highly fluorinated polyimide (FPI) filled with allomelanin nanoparticles (AMNPs) were developed by Li et al [37]. The presence of fluorinated groups in FPI increases porosity and decreases density, expanding the propagation path of UV and enhancing UV-shielding performance.…”

Section: Polyimide-based Materialsmentioning

confidence: 99%

Recent Advances and Challenges in Polymer-Based Materials for Space Radiation Shielding

Toto,

Lambertini,

Laurenzi

et al. 2024

Polymers

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Space exploration requires the use of suitable materials to protect astronauts and structures from the hazardous effects of radiation, in particular, ionizing radiation, which is ubiquitous in the hostile space environment. In this scenario, polymer-based materials and composites play a crucial role in achieving effective radiation shielding while providing low-weight and tailored mechanical properties to spacecraft components. This work provides an overview of the latest developments and challenges in polymer-based materials designed for radiation-shielding applications in space. Recent advances in terms of both experimental and numerical studies are discussed. Different approaches to enhancing the radiation-shielding performance are reported, such as integrating various types of nanofillers within polymer matrices and optimizing the materials design. Furthermore, this review explores the challenges in developing multifunctional materials that are able to provide radiation protection. By summarizing the state-of-the-art research and identifying emerging trends, this review aims to contribute to the ongoing efforts to identify polymer materials and composites that are most useful to protect human health and spacecraft performance in the harsh radiation conditions that are typically found during missions in space.

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Section: Polyimide-based Materialsmentioning

confidence: 99%

Recent Advances and Challenges in Polymer-Based Materials for Space Radiation Shielding

Toto,

Lambertini,

Laurenzi

et al. 2024

Polymers

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A Novel Hydrophobic Polyimide Film with Sag Structure Derived from Multi‐Hybrid Strategy

Tao,

Sun,

Zhang

et al. 2023

Macromol. Rapid Commun.

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Polyimide (PI) film with hydrophilic greatly limits their application in the field of microelectronic device packaging. A novel hydrophobic PI film with sag structure and improved mechanical properties was prepared relying on the reaction between anhydride‐terminated isocyanate‐based polyimide (PIY) containing a seven‐membered ring structure and the amino‐terminated polyamide acid (PAA) via multi‐hybrid strategy, this work named it as hybrid PI film and marked it as PI‐PIY‐X. PI‐PIY‐30 showed excellent hydrophobic properties, and the water contact angle could reach to 102°, which was 20% and 55% higher than simply PI film and PIY film, respectively. The water absorption was only 1.02%, with a decrease of 49% and 53% compared with PI and PIY. Due to that the degradation of seven‐membered ring and generation of carbon dioxide led to the formation of sag structure, the size of sag structures was around 16.84 nm and 534.55 nm for in‐plane and out‐plane direction, which were observed on surface of PI‐PIY‐30. Meanwhile, PI‐PIY‐30 possessed improved mechanical properties, and the tensile strength was 109.08 MPa, with 5% and more than 56% higher than that of pure PI and PIY film, showing greatly application prospects in the field of integrated circuit.This article is protected by copyright. All rights reserved

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Glutaraldehyde crosslinked ternary carboxymethylcellulose/polyvinyl alcohol/polyethyleneimine film with enhanced mechanical properties, water resistance, antibacterial activity, and UV-shielding ability without any UV absorbents

Shan,

Huang,

Huang

et al. 2024

International Journal of Biological Macromolecules

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Fluorinated Polyimide/Allomelanin Nanocomposites for UV-Shielding Applications

Cited by 4 publications

References 61 publications

Recent Advances and Challenges in Polymer-Based Materials for Space Radiation Shielding

Recent Advances and Challenges in Polymer-Based Materials for Space Radiation Shielding

A Novel Hydrophobic Polyimide Film with Sag Structure Derived from Multi‐Hybrid Strategy

Glutaraldehyde crosslinked ternary carboxymethylcellulose/polyvinyl alcohol/polyethyleneimine film with enhanced mechanical properties, water resistance, antibacterial activity, and UV-shielding ability without any UV absorbents

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