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The effects of tension on the crystalline structure and cyclization of polyacrylonitrile fibers during stabilization were investigated. The degree of cyclization was measured by Fourier transform infrared spectroscopy and differential scanning calorimetry. The crystalline structure was characterized by wide‐angle X‐ray diffraction. When the fibers were heat‐treated at temperatures between 175 and...
Highly ordered, homogeneous and reinforced cellulose carbamate (CC)/graphene oxide (GO) composite films were prepared using an easy, aqueous and solution-mixing method. The dynamic rheology measurement showed that the addition of 2wt.% GO decreased the complex viscosity of CC solution and significantly prolonged the valid spinning time of CC solution. X-ray diffraction characterization revealed that...
Nano-ZnO/PP composite material was obtained by means of melt blending from Nano-ZnO and PP. The melting, crystallization and thermal degradation of Nano-ZnO/PP blend were investigated. The results indicate that the melting peak temperature remained unchanged with the addition of Nano-ZnO. The heterogeneous nucleation effect of Nano-ZnO in composite is notable and the rate of crystallization was decreased...
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