Abstract
In this paper a description is given of series of experiments which demonstrate the effect of the anisotropy of poly(p-phenyleneterephthalamide) solutions in concentrated sulphuric acid on the tensile properties of wet spun yarn. It will be shown that, in agreement with the well-known rules for spinning processes, the orientation of the molecules produced by stretching essentially contributes to the mechanical properties of the spun yarn, whereas anisotropy tends to have an adverse effect on the formation of fibers.
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Weyland, H.G. The effect of anisotropy in wet spinning poly(p-phenyleneterephthalamide). Polymer Bulletin 3, 331–337 (1980). https://doi.org/10.1007/BF00255092
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DOI: https://doi.org/10.1007/BF00255092