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Relationship Between Structure and Spinning Processing of As-Spun PP Fibres: Systematic Experimental Design and Quantitative Result Analysis using Statistical Methods by R. D. Yang; R. R. Mather; A. F. Fotheringham is a Materials Science article available to read on EtoBox.

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## Abstract As-spun polypropylene (PP) fibres, obtained under a one-step statistical experimental design using orthogonal arrays and involving all the common spinning parameters were studied with wide angle X-ray scattering (WAXS). The WAXS results revealed that the micro-structure of PP fibres can be altered progressively from less-ordered para-crystalline states to highly-ordered crystalline states with an α-monoclinic lattice. The degree of structural order has been evaluated quantitatively in terms of (W~1⁄2~)^−1^, the reciprocal of the half-height width of the first WAXS reflection peak. On the basis of such quantitative evaluation, which is shown to be consistent with the conclusions derived from “traditional” qualitative assessment, comprehensive quantitative analysis of the effects of processing parameters and their interactions on the degree of structural order is accomplished, using systematic but simple statistical methods. Parameters significantly affecting structure, including types of raw materials, winding speed, spinning temperature, application speed of spin finish and metering pump speed are identified, and correlation between structure and parameter setting is es

Who reads Relationship Between Structure and Spinning Processing of As-Spun PP Fibres: Systematic Experimental Design and Quantitative Result Analysis using Statistical Methods?

Author

R. D. Yang; R. R. Mather; A. F. Fotheringham

Publisher

Carl Hanser Verlag; Carl Hanser Verlag GMBH & Co KG; Carl Hanser Verlag GmbH & Co.; Walter de Gruyter GmbH (ISSN 0930-777X)

Published

1999

Language

EN

Field

Materials Science (Physical Sciences)