Pregled bibliografske jedinice broj: 301676
Crystallization and Polymorphism of gamma-irradiated poly(ethylene oxide)
Crystallization and Polymorphism of gamma-irradiated poly(ethylene oxide) // Programme and Book of Abstracts / Poljanšek, Ida ; Žigon, Majda (ur.).
Ljubljana: Slovenian Chemical Society, 2007. (poster, nije recenziran, sažetak, znanstveni)
CROSBI ID: 301676 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Crystallization and Polymorphism of gamma-irradiated poly(ethylene oxide)
Autori
Pucić, Irina ; Jurkin, Tanja
Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni
Izvornik
Programme and Book of Abstracts
/ Poljanšek, Ida ; Žigon, Majda - Ljubljana : Slovenian Chemical Society, 2007
ISBN
978-961-90731-7-9
Skup
European Polymer Congress
Mjesto i datum
Portorož, Slovenija, 02.07.2007. - 06.07.2007
Vrsta sudjelovanja
Poster
Vrsta recenzije
Nije recenziran
Ključne riječi
poly(ethylene oxide); gamma-irradiation; crystallization; polymorphism; DSC; FTIR spectroscopy; spherulites; degradation
Sažetak
The crystallization of unirradiated and gamma-irradiated PEO powders of three molecular masses differing to about two orders of magnitude was investigated by DSC. In samples irradiated in air to and above 100 kGy multiple peaks were detected as result of polymorphic changes due to degradation and additional crystallization of resulting shorter chains. The degradation reduced inner order of spherulites and caused typical changes of morphology. FTIR spectra revealed changes in hydrogen bonding consistent with rearrangement of PEO chain into folded macroconformation.
Izvorni jezik
Engleski
Znanstvena područja
Kemija
POVEZANOST RADA
Projekti:
098-0982904-2955 - Odnosi struktura-svojstvo modificiranih polimernih materijala (Pucić, Irina, MZOS ) ( CroRIS)
Ustanove:
Institut "Ruđer Bošković", Zagreb
