Electromagnetic Interference Shielding Offered by Waterborne Poly(Urethane‐Imide) Composites Reinforced With Carbon Nanostructures
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DOI: 10.1002/app.56726
Abstract: Electromagnetic waves are produced in large volumes by the increasing number of electronic devices, and some devices must be shielded from these waves to prevent electromagnetic interference (EMI). Traditional metals are effective shielders but have… read more here.
Keywords: urethane imide; electromagnetic interference; waterborne poly; composites reinforced ... See more keywords
Co-poly(urethane-imide)s based on poly[di(ethylene glycol) adipate] and their compositions with thermoplastic polyimide: synthesis and properties
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DOI: 10.1007/s11172-020-2769-8
Abstract: Based on poly[di(ethylene glycol) adipate] ( M n = 2500) terminated by 2,4-toluene diiso-cyanate (TDI), bis(3´,4-dicarboxyphenoxy)benzene (dianhydride R), and 1,4-bis(4´-amino-phenoxy)biphenyl (diamine ODFO) a number of co-poly(urethane-imide) samples with the general formula (R-TDI-2500-TDI-R)(ODFO) n ( n… read more here.
Keywords: based poly; urethane imide; poly ethylene; ethylene glycol ... See more keywords
Heat Resistance and Dynamic Mechanical and Rheological Properties of a Blend of Crystallizing Polymers, Polyimide and Copoly(urethane—imide), at Identical Chemical Structure of the Imide Blocks in the Initial Polymers
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DOI: 10.1134/s107042722001005x
Abstract: A blend of crystallizing polyimide and newly synthesized partially crystalline multiblock (segmented) copoly(urethane—imide), consisting of 75 wt % copoly(urethane—imide) and 25 wt % polyimide, was prepared and studied by thermal gravimetric analysis, differential scanning calorimetry,… read more here.
Keywords: blend; urethane imide; structure; copoly urethane ... See more keywords
Novel hyperbranched poly(urethane–imide)s with enhanced thermal, mechanical, and UV-shielding properties
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DOI: 10.1177/0954008317752823
Abstract: A series of novel hyperbranched poly(urethane–imide)s (HBPUIs) was synthesized and derived from as-prepared imide-containing glycol and commercial materials via an A2 + B2 + B3 approach. The chemical and morphological structures of the resulting polymers… read more here.
Keywords: imide; hyperbranched poly; urethane imide; imide enhanced ... See more keywords
Structure–Properties Correlations in Novel Copoly(urethane-imide) Films Selectively Destructed Under Thermolysis and Hydrolysis in Alkaline Media
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DOI: 10.3390/polym17030329
Abstract: The paper describes changes in the structure, morphology, mechanical and thermal properties of porous film samples of poly(4,4′-oxidiphenylene)pyromellitimide prepared as a result of selective destruction of urethane blocks in copolymers composed of pyromellitimide blocks and… read more here.
Keywords: urethane imide; structure; imide; thermolysis hydrolysis ... See more keywords