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The influence of nanodispersed montmorillonite layers and process history on the crystal structure of nylon 6 between room temperature and melting is examined with simultaneous small- and wide-angle X-ray scattering and modulated differential scanning calorimetry. For the examined process history, nylon 6 exhibits predominantly α-phase behavior from room temperature to melting, with a gradual shift...
Simple shear of end-tethered Nylon 6–clay nanocomposites and the preservation of these effects into the crystalline state is reported. Typical conditions leading to mesoscopic (clays) and molecular (polymer chains) orientation of these systems at relatively low shear rates and at temperatures immediately above the nominal melting point showed a morphological change proportional to the shear time in...
A series of new nylon 6-b-polyimide-b-nylon 6 (triblock) copolymers have been synthesized via condensation polymerization of the polyimide component and anionic polymerization of the nylon 6 component. The polyimide component is prepared from bisphenol-A dianhydride (BisA-DA) and bisaniline-P diamine (BisP) with end-capped functional groups. After the polyimides are dissolved in caprolactam, the nylon...
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