## Abstract The effect of various organic compounds on the birefringence equilibrium shrinkage and swelling of poly(ethylene terephthalate) filaments was studied. Evidence is presented that suggests the carrier action of the compounds is dominated by dispersion forces and that interaction between d
On the characterization by shrinkage forces of as-spun poly(ethylene terephthalate) filaments
β Scribed by Ch.D. Bechev
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 496 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0142-9418
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The effect of initial take-up speed on the properties and structure of both as-spun and drawn/heat-set poly(ethylene terephthalate) filaments was characterized through measurements of birefringence, percent crystallinity, tensile properties, high temperature shrinkage, loss tangent temperature depen
The ability to produce as-spun poly(ethylene terephthalate) (PET) filaments that possess previously unsurpassed levels of as-spun orientation and tensile properties was achieved through the implementation of a device described as a liquid isothermal bath (LIB). Although much has been published regar
## Abstract Asβspun fibers of poly(ethylene terephthalate), PET, made at winding speeds ranging from 2000 to 6000 m/min exhibit quite different physical structures. Yarns wound at relatively low speeds are amorphous, whereas those spun at high speeds contain wellβdeveloped crystals of closely packe