## Abstract A series of eight polyurethane elastomers was prepared using a twoβstep bulk polymerization procedure to investigate the effect of the siloxane chain extender 1,3βbis(4βhydroxybutyl)1,1,3,3βtetramethyldisiloxane (BHTD) on polyurethane properties and morphology. All polyurethanes were ba
β¦ LIBER β¦
Alternating Copolymers Based on 2,1,3-Benzothiadiazole and Hexylthiophene: Positioning Effect of Hexyl Chains on the Photophysical and Electrochemical Properties
β Scribed by Ashraf A. El-Shehawy; Nabiha I. Abdo; Ahmed A. El-Barbary; Jae-Suk Lee
- Publisher
- John Wiley and Sons
- Year
- 2011
- Tongue
- English
- Weight
- 745 KB
- Volume
- 2011
- Category
- Article
- ISSN
- 1434-193X
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## Sm x Sr 1 -x CoO 3 -Δ± (SSCx) materials are promising cathodes for IT-SOFCs. The influence of Sm content in SSCx (0.2 β€ x β€ 0.8) oxides on their oxygen nonstoichiometry, oxygen desorption, thermal expansion behavior, electrical conductivity and electrochemical activity for oxygen reduction is sy