Statistical analysis of the effect of multi-stage hot drawing on the thermal shrinkage and crystallographic order of biodegradable aliphatic-aromatic co-polyester fibres |
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| Authors: | Basel Younes Alex Fotheringham Robert Mather |
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| Institution: | 1.School of Textiles & Design,Heriot-Watt University,Netherdale, Galashiels,UK;2.FMEE (Textiles),Damascus University,Damascus,Syria;3.School of Engineering and Physical Sciences,Heriot-Watt University,Riccarton, Edinburgh,UK |
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| Abstract: | Using statistical experimental design, the effects of multi-stage hot drawing process on thermal shrinkage and crystallographic
order of linear aliphatic-aromatic co-polyester fibres were statistically analyzed. Thermal shrinkage and fullwidth half-maximum
(FWHM) of an X-ray scattering profile of the fibres have been quantitatively assessed, and the direction of increasing or
decreasing the significant process parameters has been characterized. It has been found that the number of drawing stages,
drawing temperature and relaxing stage ratio affect the shrinkage and crystallographic order together. Plate temperature and
the interaction between drawing stages and drawing temperature or drawing ratio have an effect on thermal shrinkage; Spin
finish application and relaxing temperature have an effect on crystallographic order. The data analysis has been characterized
with regard to the relationship between the studied factors statistically analyzed and the scientific reasons suggested. Factorial
statistical analysis simulates the combination of drawing process parameters and the selected as-spun environmentally friendly
biodegradable fibre. |
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