Mechanism of breakage of liquid threads

Ziabicki, Andrzej; Takserman-Krozer, R.

doi:10.1007/bf01499455

Cited by 42 publications

(63 citation statements)

References 6 publications

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“…Ti(OPr) 4 , Ti(OBu) 4 , Zr(OPr) 4 , Zr(OBu) 4 and Hf(OBu) 4 were purchased from the Sigma-Aldrich company.…”

Section: Neat Alkoxides For Precursor Preparationmentioning

confidence: 99%

“…Synthesis of Sn(OPr) 4 and Sn(OBu) 4 was carried out as described in [30]. After removal of solvents in vacuum, the alkoxides were obtained as viscous maple syrup-like brown liquids.…”

Section: Neat Alkoxides For Precursor Preparationmentioning

confidence: 99%

“…They were characterized by FTIR spectroscopy and thermogravimetry. Rheological tests were carried out for Sn(OBu) 4 .…”

Section: Neat Alkoxides For Precursor Preparationmentioning

confidence: 99%

“…The viscosity dependence on the water/alkoxide molar ratio R was studied using the Stokes method. A detailed rheological analysis was carried out for Sn(OBu) 4 -based samples obtained at a mole ratio R = 0.7, which was optimal for the fibre drawing. 4 .…”

Section: Precursor Preparation 221 Aq Oligomerization Of Metal Alkmentioning

confidence: 99%

“…The phenomenon, also known as pinching off the jets, is important in the formation of liquid drops and has found use in direct drawing of sharp needles [3]. The factors leading to failure are summarized in the Ullman's Fibers Handbook [1] as follows: A fluid as-spun filament is thought to break by two mechanisms [4]. The first of these is cohesive failure in which fracture occurs when the tensile stress exceeds the tensile strength of the material at some point along the path of filament formation.…”

Section: Introductionmentioning

confidence: 99%

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Alkoxide-based precursors for direct drawing of metal oxide micro- and nanofibres

Tätte

Hussainov

Paalo

et al. 2011

Science and Technology of Advanced Materials

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The invention of electrospinning has solved the problem of producing micro-and nanoscaled metal oxide fibres in bulk quantities. However, until now no methods have been available for preparing a single nanofibre of a metal oxide. In this work, the direct drawing method was successfully applied to produce metal oxide (SnO 2 , TiO 2 , ZrO 2 , HfO 2 and CeO 2 ) fibres with a high aspect ratio (up to 10 000) and a diameter as small as 200 nm. The sol-gel processing includes consumption of precursors obtained from alkoxides by aqueous or non-aqueous polymerization. Shear thinning of the precursors enables pulling a material into a fibre. This rheological behaviour can be explained by sliding of particles owing to external forces. Transmission (propagation) of light along microscaled fibres and their excellent surface morphology suggest that metal oxide nanofibres can be directly drawn from sol precursors for use in integrated photonic systems.

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“…Ti(OPr) 4 , Ti(OBu) 4 , Zr(OPr) 4 , Zr(OBu) 4 and Hf(OBu) 4 were purchased from the Sigma-Aldrich company.…”

Section: Neat Alkoxides For Precursor Preparationmentioning

confidence: 99%

“…Synthesis of Sn(OPr) 4 and Sn(OBu) 4 was carried out as described in [30]. After removal of solvents in vacuum, the alkoxides were obtained as viscous maple syrup-like brown liquids.…”

Section: Neat Alkoxides For Precursor Preparationmentioning

confidence: 99%

“…They were characterized by FTIR spectroscopy and thermogravimetry. Rheological tests were carried out for Sn(OBu) 4 .…”

Section: Neat Alkoxides For Precursor Preparationmentioning

confidence: 99%

Section: Precursor Preparation 221 Aq Oligomerization Of Metal Alkmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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