Thermal Shrinkage of Oriented Nylon 66 Yarns as a Function of Time, Temperature, and Stress
- 1 May 1969
- journal article
- research article
- Published by SAGE Publications in Textile Research Journal
- Vol. 39 (5) , 428-434
- https://doi.org/10.1177/004051756903900504
Abstract
A method employing a linear variable displacement transducer has been adapted to measure the thermal shrinkage of oriented yarns of nylon 66. The thermal shrinkage of this material has been found to be viscoelastic in that nonlinear functions of time, temperature, and stress are required to describe the shrinkage. The activation energy has been estimated to be 40 kcal per mole, which is partly explainable by a dissociation of the hydrogen bonds in the amide groups.Keywords
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