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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/71

Title: Interaction Between Viscoelastic And Structural Relaxation In Drawn Polypropylene Yarn
Authors: Bhuvanesh, Y C
Gupta, V B
Keywords: polypropylene fibre
stress relaxation
structural relaxation
Issue Date: 1995
Citation: Polymer, 36 (19), 3669-3674
Abstract: An unusual observation has been made during stress relaxation experiments on as-drawn polypropylene multifilament yarn which had not been subjected to any conditioning treatment. At 0.5% prestrain and at temperatures of 60°C and above, the stress after an initial decrease registers an increase. This inverse relaxation is not seen for a prestrain of 2% nor for annealed samples. On the basis of the results presented, the occurrence of the inverse relaxation has been attributed to the generation of shrinkage stress, which is a manifestation of structural relaxation during the test and is controlled by the cY-relaxation.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/71
Appears in Collections:Textile Technology

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