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Article
Overcoming underfill defect with undermatching filler and establishing new acceptance criteria for underfill depth in laser beam welding of ultra-high strength steels
This study investigated the laser-beam-weld geometry and tensile properties under various butt-joint gap conditions as a function of the use of undermatching filler for 2.3-mm thick ultra-high strength steels ...
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Article
Simple assembling process for polyimide aerogel and its application in water pollutants absorption
Porous media based on organic and inorganic materials are now showing their great potential in various application. The synthetic technology has been studied by many researchers for long periods. However, the ...
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Article
Synthesis of UV Curable, Highly Stretchable, Transparent Poly(urethane-acrylate) Elastomer and Applications Toward Next Generation Technology
Here, highly stretchable and transparent UV curable poly(urethane-acry-late) elastomer has been synthesized by reacting urethane acrylate oligomer and two reactive diluents monomers. The synthesized elastomers...
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Article
Open AccessProton Transport in Aluminum-Substituted Mesoporous Silica Channel-Embedded High-Temperature Anhydrous Proton-Exchange Membrane Fuel Cells
Polymer composite membrane technology is promising for enhancing the performance of membrane electrode assemblies for high-temperature fuel cells. In this study, we developed a novel anhydrous proton-exchange ...
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Article
Erratum to: Low dielectric transparent poly(amide-imide) thin film with nano scale porous structure
Page 1115, the Acknowledgments should be corrected as follows:
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Article
Synthesis of a new diamine and its effect on the residual stress of colorless polyimide
A new diamine was designed and synthesized to improve the flexibility of colorless polyimides by reducing residual stress. Four variations of colorless polyimides with the same dianhydride (4,4′-(hexafluoroiso...
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Article
Low dielectric transparent poly(amide-imide) thin film with nano scale porous structure
A transparent poly(amide-imide) (PAI) was synthesized with good thermal and optical properties and after that silica nano particles were introduced and removed for nano porous polymer matrix. The successful sy...
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Article
Polyimide–Epoxy Composites with Superior Bendable Properties for Application in Flexible Electronics
The need for flexible electronics with outstanding bending properties is increasing due to the demand for wearable devices and next-generation flexible or rollable smartphones. In addition, the requirements fo...
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Article
Heat dissipation properties of polyimide nanocomposite films
In development of modern electric fields, the growth of kinds of electronic devices has made the supply and research on heat dissipating films become important. To synthesize heat dissipation films with high t...
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Article
Open AccessPolyHIPE Derived Freestanding 3D Carbon Foam for Cobalt Hydroxide Nanorods Based High Performance Supercapacitor
The current paper describes enhanced electrochemical capacitive performance of chemically grown Cobalt hydroxide (Co(OH)2) nanorods (NRs) decorated porous three dimensional graphitic carbon foam (Co(OH)2/3D GCF) ...
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Article
Low-dielectric-constant polyimide aerogel composite films with low water uptake
A polyimide aerogel (PIA) was used to synthesize low-dielectric-constant polyimide composite films. Unlike silica aerogel (SIA) composites, the PIA films were synthesized using polyimide. The resulting films m...
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Article
Dimensionally stable and light-colored polyimide hybrid reinforced with layered silicate
Light-colored polyimide hybrids with a quaternary alkylammonium modified montmorillonite, Cloisite® 20A (C20A) were successfully synthesized via a solution intercalation method. The structural and morphological f...
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Article
Norbornene end-capped polyimide for low CTE and low residual stress with changes in the diamine linkages
The effects of norbornene (NE) crosslinking and diamine bridge linkages (ether, sulfone, and trifluoromethyl) on polyimide films were investigated. The purpose of this study was to study the behavior of the NE...
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Article
Effects of the paraffin wax (PW) content on the thermal and permeation properties of the LDPE/PW composite films
A series of low density polyethylene/paraffin wax (LDPE/PW) composite films were fabricated via a twin-screw extruder, and their morphologies, thermal properties, gas and vapor permeations, and surface propert...
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Article
Effect of tetrapod ZnO whiskers on the physical and moisture barrier properties of transparent polyimide/TZnO-W composite films
Tetrapod zinc oxide whiskers (TZnO-Ws) were successfully prepared by a thermal oxidation method and confirmed using scanning electron microscopy (SEM) and wide angle X-ray diffraction (WAXD). A series of polyi...
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Article
Effects of nanoclay on the properties of low temperature cured polyimide system
Polyimide is a major polymer material in the electronics industry, and we conducted a study to cure polyimide at low temperatures in order to improve its thermal and mechanical properties. In this study, polyi...
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Article
Preparation and properties of poly(vinyl alcohol)/vinyltrimethoxysilane (PVA/VTMS) hybrid films with enhanced thermal stability and oxygen barrier properties
To enhance the thermal stability and barrier properties of pure poly(vinyl alcohol) (PVA), a series of poly(vinyl alcohol)/vinyltrimethoxysilane (PVA/VTMS) hybrid films were prepared via a sol-gel process, and th...
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Article
Residual stress behavior and physical properties of transparent polyimide/surface-modified CaCO3 nanocomposite films
A series of polyimide (PI) nanocomposite films with various surface-modified colloidal calcium carbonate (SCaCO3) contents were prepared and their physical properties were investigated to understand their possibl...
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Article
Water sorption behavior in polyimide thin films controlled by inorganic additives
We investigated the decreased water diffusivity depending on the content and size of carbon black (CB) added to polyimide (PI) in order to synthesize composite films (PI-CB). CBs with different diameters were ...
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Article
Enhanced moisture barrier films based on EVOH/exfoliated graphite (EGn) nanocomposite films by solution blending
A series of ethyl-vinyl alcohol (EVOH) nanocomposite films with exfoliated graphite nanosheets (EGn) were prepared via a solution blending method and their physical and moisture barrier properties were investigat...