Pregled bibliografske jedinice broj: 2111
Compensation phenomena in beta relaxation of novolac phenol-formaldehyde resin. Influence of water
Compensation phenomena in beta relaxation of novolac phenol-formaldehyde resin. Influence of water // Croatica chemica acta, 69 (1996), 3; 1215-1225 (međunarodna recenzija, članak, znanstveni)
CROSBI ID: 2111 Za ispravke kontaktirajte CROSBI podršku putem web obrasca
Naslov
Compensation phenomena in beta relaxation of novolac phenol-formaldehyde resin. Influence of water
Autori
Topić, Mladen ; Katović, Zvonimir
Izvornik
Croatica chemica acta (0011-1643) 69
(1996), 3;
1215-1225
Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni
Ključne riječi
compensation phenomenon ; novolac phenol formaldehide ; beta relaxation
Sažetak
A novolac phenol formaldehide resin was investigated by thermaly stimulated depolarization current in temperature range 137 K to 270 K. Two broadened peaks appeared at 160 K and 190 K. The influence of water was investigated. The analysis of the activation energy versus temperature and the search for compensation phenomena were performed. Three different regions in relaxations were distinguished and the compensation temperatures were determined. Contamination with water increases the polarizability, decreases the structure differences and relieves the motion in resin. All motions were attributed to the rotation of the fenil rings with different surrounding structures.
Izvorni jezik
Engleski
Znanstvena područja
Kemija
Citiraj ovu publikaciju:
Časopis indeksira:
- Current Contents Connect (CCC)
- Web of Science Core Collection (WoSCC)
- Science Citation Index Expanded (SCI-EXP)
- SCI-EXP, SSCI i/ili A&HCI
- Scopus
