Flame retardant and hydrophobic properties of novel sol-gel derived phytic acid/silica hybrid organic-inorganic coatings for silk fabric

Flame retardant and hydrophobic properties of novel sol-gel derived phytic acid/silica hybrid... Article history: In this work, a novel phosphorus-rich hybrid organic-inorganic silica coating for improving the Received 1 May 2017 flame retardancy of silk fabric was prepared using naturally occurring phytic acid as phos- Received in revised form 1 August 2017 phorus precursor and catalyst for the hydrolysis of tetraethoxysilane. In addition, three silane Accepted 2 August 2017 coupling agents, namely 3-aminopropyldimethoxymethylsilane, 3-chloropropyltrimethoxysilane and Available online 4 August 2017 3-methacryloxypropyltrimethoxysilane, were added in the hybrid sol as cross-linkers with the aim of developing hydrophobic coatings and improving the washing durability of the treated silk fabric. The Keywords: condensation degree of the hybrid sol was characterized by solid-state Si nuclear magnetic resonance Silk spectroscopy. The flammability and thermal degradation properties of the treated silk fabrics were deter- Phytic acid mined in terms of limiting oxygen index, vertical burning, pyrolysis combustion flow calorimetry and Silica thermogravimetric analyses. The surface morphology and hydrophobicity of the treated silk fabrics were Sol-gel Flame retardancy evaluated by scanning electron microscopy, atomic force microscopy and water contact angle tests. The Hydrophobicity flammability tests revealed that the silicon sol could endow silk fabric with excellent flame retardancy when doped with phytic acid, and the treated silk fabrics self-extinguished http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Surface Science Elsevier

Flame retardant and hydrophobic properties of novel sol-gel derived phytic acid/silica hybrid organic-inorganic coatings for silk fabric

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0169-4332
eISSN
1873-5584
D.O.I.
10.1016/j.apsusc.2017.08.021
Publisher site
See Article on Publisher Site

Abstract

Article history: In this work, a novel phosphorus-rich hybrid organic-inorganic silica coating for improving the Received 1 May 2017 flame retardancy of silk fabric was prepared using naturally occurring phytic acid as phos- Received in revised form 1 August 2017 phorus precursor and catalyst for the hydrolysis of tetraethoxysilane. In addition, three silane Accepted 2 August 2017 coupling agents, namely 3-aminopropyldimethoxymethylsilane, 3-chloropropyltrimethoxysilane and Available online 4 August 2017 3-methacryloxypropyltrimethoxysilane, were added in the hybrid sol as cross-linkers with the aim of developing hydrophobic coatings and improving the washing durability of the treated silk fabric. The Keywords: condensation degree of the hybrid sol was characterized by solid-state Si nuclear magnetic resonance Silk spectroscopy. The flammability and thermal degradation properties of the treated silk fabrics were deter- Phytic acid mined in terms of limiting oxygen index, vertical burning, pyrolysis combustion flow calorimetry and Silica thermogravimetric analyses. The surface morphology and hydrophobicity of the treated silk fabrics were Sol-gel Flame retardancy evaluated by scanning electron microscopy, atomic force microscopy and water contact angle tests. The Hydrophobicity flammability tests revealed that the silicon sol could endow silk fabric with excellent flame retardancy when doped with phytic acid, and the treated silk fabrics self-extinguished

Journal

Applied Surface ScienceElsevier

Published: Jan 1, 2018

References

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