EFFECT OF GAMMA-IRRADIATION ON THE CRYSTALLINE-STRUCTURE OF ULTRA-HIGH-MOLECULAR-WEIGHT POLY(ETHYLENE OXIDE)

Authors
NEDKOV E TSVETKOVA S
Citation
E. Nedkov et S. Tsvetkova, EFFECT OF GAMMA-IRRADIATION ON THE CRYSTALLINE-STRUCTURE OF ULTRA-HIGH-MOLECULAR-WEIGHT POLY(ETHYLENE OXIDE), Radiation physics and chemistry, 43(4), 1994, pp. 397-401
Citations number
20
Categorie Soggetti
Nuclear Sciences & Tecnology","Chemistry Physical","Physics, Atomic, Molecular & Chemical
Journal title
Radiation physics and chemistry → ACNP
ISSN journal
0969806X
Volume
43
Issue
4
Year of publication
1994
Pages
397 - 401
Database
ISI
SICI code
0969-806X(1994)43:4<397:EOGOTC>2.0.ZU;2-U
Abstract
To follow gamma-irradiation effect upon PEO crystalline structure WAXS and SAXS investigations have been carried out. Thermal treated sample s are prepared. Experimentally obtained data show that under irradiati on with doses over 10 Mrad amorphous regions are mainly changed. Effec t of radiation annealing and perfection of the crystalline structure i s observed. Radiation with doses over 10 Mrad causes partial amorphiza tion of crystallites and effect of radiation melting. A packing of the lamellar aggregates and increasing of the porous size are observed.