ArticleRSC advances2024
High comprehensive properties of colorless transparent polyimide films derived from fluorine-containing and ether-containing dianhydride.
Article in RSC advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Effect of sulfone linkage on chain architecture and structure-property relationships of colorless and transparent polyimides.RSC advances · 2026Article
- Research on the Synthesis and Characterization of Colorless Polyimide Based on a Novel Asymmetric Dianhydride Monomer.ACS omega · 2026Article
- Colorless and transparent polyimide nanocomposite films containing organically modified fillers comprising an organoclay/functionalized-graphene complex.Scientific reports · 2025Article
- Multifunctional Polyimide for Packaging and Thermal Management of Electronics: Design, Synthesis, Molecular Structure, and Composite Engineering.Nanomaterials (Basel, Switzerland) · 2025Review
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10 authors.
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Abstract
Fluorinated colorless transparent polyimide (CPI) films are crucial for flexible displays and wearable devices, but their development is limited by high costs and relatively low mechanical properties. In this study, a series of colorless transparent polyimide films was synthesized by incorporating the cost-effective ether-containing diamine, 4,4'-isopropylidenediphenoxy bis(phthalic anhydride) (BPADA), into commercially available 4,4'-(hexafluoroisopropyl)diphthalic anhydride (6FDA) and 2,2'-bis(trifluoromethyl)benzidine (TFMB). The comprehensive properties of the films were systematically investigated using a combination of experimental and numerical methods, including molecular dynamics (MD) simulations and density functional theory (DFT). This study focuses on exploring the influence of varying dianhydride ratios on the aforementioned properties. The incorporation of BPADA in the dianhydride significantly enhances the mechanical properties and flexibility of the film. When the ratio of ether anhydride to fluorine anhydride is 4 : 6 (CPI-4), the tensile strength is 135.3 MPa, and the elongation at break is 8.3%, which is 109.6% and 118.45% higher than that of the original film without ether anhydride. This research provides valuable insights for the future application of new polyimide materials in flexible display devices.
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