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Preparation of gram quantities of high-quality titanate nanotubes and their composites with polyamide 6

SYSNO ASEP	0349087
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Preparation of gram quantities of high-quality titanate nanotubes and their composites with polyamide 6
Author(s)	Králová, Daniela (UMCH-V) Šlouf, Miroslav (UMCH-V)_{RID, ORCID} Klementová, Mariana (UACH-T)_{RID, SAI, ORCID} Kužel, R. (CZ) Kelnar, Ivan (UMCH-V)_{RID, ORCID}
Source Title	Materials Chemistry and Physics. - : Elsevier - ISSN 0254-0584 Roč. 124, č. 1 (2010), s. 652-657
Number of pages	6 s.
Language	eng - English
Country	CN - China
Keywords	titanate nanotubes ; crystal structure ; electron microscopy
Subject RIV	CD - Macromolecular Chemistry
R&D Projects	2B06096 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
	KAN200520704 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR)
	GA106/06/0044 GA ČR - Czech Science Foundation (CSF)
CEZ	AV0Z40500505 - UMCH-V (2005-2011)
	AV0Z40320502 - UACH-T (2005-2011)
UT WOS	000282607900118
DOI	10.1016/j.matchemphys.2010.07.029
Annotation	Gram quantities of high-quality titanate nanotubes (Ti-NT) were prepared and melt-mixed with polyamide 6 (PA6), which then exhibited a 35% increase in elastic modulus. This increase was considerably higher than in the case of composites with commercial TiO2 nanopowder (14%) or micropowder (9%). Ti-NT with high aspect ratio were prepared by hydrothermal synthesis. Impact of various drying procedures on morphology and structure of Ti-NT was investigated. FESEM and TEM microscopy proved that the best Ti-NT nanopowder with well-dispersed and unbroken single nanotubes resulted from freeze-drying. SAED, HRTEM and PXRD showed that drying procedures did not influence Ti-NT crystalline structure. DSC confirmed that Ti-NT were stable at elevated temperatures, used during melt mixing.
Workplace	Institute of Macromolecular Chemistry
Contact	Eva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358
Year of Publishing	2011

Number of the records: 1