Results 11 to 20 of about 78,838 (289)
Delamination of polyimide in hydrofluoric acid
Acta Polytechnica, 2021 Wet etching is a critical fabrication step for the mass production of micro and nanoelectronic devices. However, when an extremely corrosive acid such as hydrofluoric (HF) acid are used during etching, an undesirable damage might occur if the device ...
Asaad K. Edaan Al-mashaal +1 more
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The preparation and properties of polyimide films modified by octa(aminopropylsilsesquioxane)
Journal of Saudi Chemical Society, 2019 A number of polyimide films incorporated with different amounts of octa(aminopropylsilsesquioxane) (POSS-NH2) were prepared from 1,2,4,5-Benzenetetracarboxylic anhydride, 4,4′-Oxydianiline and POSS-NH2.
Benbo Liu +4 more
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Preparation of Polyimide Films with Ultra-Low Dielectric Constant by Phase Inversion
Crystals, 2021 Due to the high value of its dielectric constant, polyimide does not meet the requirements of the development of integrated circuits and high-frequency printed circuits.
Panpan Zhang +4 more
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Energies, 2022 Carbon-based polymer can catch fire when used as cathode material in batteries and supercapacitors, due to short circuiting. Polyimide is known to exhibit flame retardancy by forming char layer in condensed phase.
Shengdong Xiao +3 more
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Anti-high speed impact properties of polyimide fiber/bismaleimide resin composites
Cailiao gongcheng, 2021 The polyimide fiber/ bismaleimide resin composites were prepared by the autoclave molding process. Effects of volume fraction of polyimide fiber and ambient temperature on the high speed impact properties were investigated using the air cannon impact ...
GU Shan-qun +6 more
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Preparation and Thermal Properties of Silicon-containing Polyimide Composite Films
Chemical Engineering Transactions, 2017 Aromatic polyimide is a kind of polymer material with high temperature resistance, low temperature resistance, radiation resistance, excellent chemical stability, excellent electrical properties and good mechanical strength.
Lifeng You
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Chapter 6: High-performance polyimide fibers
Advanced Industrial and Engineering Polymer Research, 2022 The highly conjugated chemical structure of polyimide fibers has endowed polyimide with outstanding mechanical properties, high thermal stability, good solvent resistance, and excellent light stability, resulting in a wide application prospect in ...
Qinghua Zhang +3 more
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Preparation and visible-light photocatalytic activity of PMDA/PDA linear polyimide
Journal of Hebei University of Science and Technology, 2019 The photocatalytic oxidation ability of polyimide is weak because of the relatively low valence band (VB). The valence band potential of the PMDA/PDA linear polyimide is +2.45 eV, showing that it has strong oxidizing property and strong oxidative ...
Qi ZHANG +4 more
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Phosphorus-containing sulfonated polyimides for proton exchange membranes [PDF]
, 2008 Synthesis and characterization of the novel sulfonated BAPPO monomer and its use in the synthesis of a new phosphine oxide-based sulfonated polyimide are described. BTDA, 6FDA, and DDS were used as monomers in the polyimide synthesis.
Cornet +23 more
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Principles and Application of Polyimide Fiber Bragg Gratings for Surface Strain Measurement
Applied Sciences, 2017 Although theoretical investigation has demonstrated that fewer strain transfer layers imply a greater strain transfer ratio, as well as increased accuracy, most researchers are still focused on investigating encapsulated Fiber Bragg gratings (FBGs) in ...
Yangyang Sun +7 more
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