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Q. Xing, Meifang Zhu, Y. Wang, Yanmo Chen, Yu Zhang, J. Pionteck, H. Adler (2005)
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The variation of fibrils’ number in the sea-island fiber -low density polyethylene/polyamide 6-Fibers and Polymers, 11
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The non-uniform phase structure in blend fiber. I. Non-uniform deformation of the dispersed phase in melt spinningFibers and Polymers, 11
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Abstract The deformation of dispersed polystyrene (PS) droplets in immiscible polypropylene (PP) matrices during melt spinning of blend fibers were simulated by adopting the droplet deformation criteria. The ratios of number-average length to diameter were measured through morphology analysis, and compared with the simulated values. It was found that the adopted deformation models described the deformation behavior of the dispersed droplets during melt spinning very well. Dispersed droplets in the center of the fiber tend to be stretched longer than those of near to the surface, due to the radial temperature gradient during fiber formation. Moreover, combining with the rheological studies of raw materials, a theoretical relation between temperature and deformation was established and used to determine the radial temperature differences along the spinning line. It was found that the radial temperature gradients vary from 0.22 to 0.35 °C/μm at 40 cm beneath to the spinneret at the discussed take-up velocities.
Fibers and Polymers – Springer Journals
Published: Sep 1, 2016
Keywords: Polymer Sciences
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