Zobrazeno 1 - 10
of 14
pro vyhledávání: '"J. P. Sibilia"'
Autor:
J. P. Sibilia, A. R. Paterson
Publikováno v:
Journal of Polymer Science Part C: Polymer Symposia. 8:41-57
Infrared spectroscopy has been applied as a major tool for the investigation of a number of polymer problems. The major products of thermal degradation (300°C.) of polymonochlorotrifiuoroethylene and copolymers with vinylidene fluoride have been Ide
Publikováno v:
Macromolecules. 11:990-995
Autor:
J. P. Sibilia, S. M. Aharoni
Publikováno v:
Polymer Engineering and Science. 19:450-455
Extrusion experiments on thirteen polymers in our laboratory and extrusion and forging studies on nine polymers in other laboratories reveal that solid-state extrusion and malleability occur in semi-crystalline polymers that have a crystalline relaxa
Publikováno v:
Polymer Engineering and Science. 21:185-188
Poly(vinyl chloride) and chlorinated poly(vinyl chloride) films were saturated at 100°C with fluorotrichloromethane (Genetron-11, a foaming agent) and then allowed to desorb at RT and 65°C. The desorption data for a three month period was fitted in
Autor:
J. P. Sibilia, S. M. Aharoni
Publikováno v:
Journal of Applied Polymer Science. 23:133-140
Extrusion experiments on eight polymers in our laboratory and eight additional polymers in other laboratories reveal that solid-state extrusion and malleability occur in semicrystalline polymers that have a reversible crystalline transition, Tc, and
Publikováno v:
Journal of Applied Polymer Science. 26:223-230
Poly(ethylene terephthalate) filament yarn has been annealed in nitrogen atmosphere, in silicone oil, or in nonreacting organic solvents. Morphological changes resulting from the annealing processes have been followed by Raman spectroscopy. Crystalli
Autor:
J. P. Sibilia, T. C. Chiang
Publikováno v:
Journal of Polymer Science Part A-1: Polymer Chemistry. 10:605-612
Autor:
J. P. Sibilia, G. A. Tirpak
Publikováno v:
Journal of Applied Polymer Science. 17:643-648
A number of techniques have been used in the past for obtaining the infrared spectra of fine fibers. A new technique has been developed which overcomes many of the problems of previous methods. The present technique involves winding a single filament
Autor:
J. P. Sibilia, T. C. Chiang
Publikováno v:
Journal of Polymer Science Part A-2: Polymer Physics. 10:2249-2257
Peroxide radical concentrations were measured from both PET and nylon 6 fibers mechanically stretched in air at room temperature and quickly quenched into liquid nitrogen. The radical concentrations depend on degree of stretching as well as condition
Autor:
D. C. Prevorsek, J. P. Sibilia
Publikováno v:
Journal of Macromolecular Science, Part B. 5:617-627
A study intended to establish the relationship between chain folding and strength in oriented poly(ethylene terephthalate) (PET) led to the finding that the infrared absorption band at 988 cm−1 does not disappear completely on drawing as reported b