Production and characterization of hydrophobic zinc borate by using palm oil

Acaralı, Nil; Tuğrul, Nurcan; Derun, Emek Möröydor; Pişkin, Sabriye

doi:10.1007/s12613-013-0837-x

Cited by 7 publications

(10 citation statements)

References 18 publications

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“…The peak between 650 and 750 cm -1 is ascribed to in-plane bending vibrations of trihedral (BO 3 ) groups. Therefore, use of different modifying agents, solvents, and the stirred system did not affect the structure, which was similar to that of zinc borate reference material, as in previous studies [1,2,9]. The FTIR spectra of the products are indicative of formation of zinc borate (Fig.…”

Section: X-ray Diffraction Patterns Of Zinc Boratessupporting

confidence: 81%

“…A wettable or hydrophilic surface will have a contact angle\90°. To study its surface characteristics, contact angle was measured for the synthesized zinc borate powder [1,8]. The contact angle of pure hydrophilic zinc borate powder was very small.…”

Section: Water Contact Angle Of Zinc Boratesmentioning

confidence: 99%

“…Tian et al [8] [2] prepared zinc borate by reaction of zinc oxide and boric acid in the absence or presence of the surfactant cumene-terminated poly(styrene-co-maleic anhydride), PSMA, added to the reaction medium at different concentrations (0.1-1 wt% of water) to investigate its effect on the growth and agglomeration of the particles during the reaction. Acarali et al [1] synthesized zinc borate from zinc oxide and boric acid reference material, with zinc borate reference material as seed, and investigated the effects of modifying agents and reaction conditions on hydrophobicity and yield.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis of hydrophobic nanostructured zinc borate from zinc carbonate, and characterization of the product

2014

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In general, zinc oxide and boric acid are used to produce zinc borate. In this study, zinc carbonate was used instead of zinc oxide as the novel zinc source. The purpose of this study was to synthesize hydrophobic, nanostructured zinc borate (3ZnOÁ3B 2 O 3 Á3.5H 2 O) by reaction of zinc carbonate, instead of zinc oxide, with boric acid reference material, and with zinc borate reference material as seed. The modifying agents propylene glycol, kerosene, and oleic acid were used to produce hydrophobic zinc borate. Different solvents (isopropyl alcohol, ethanol, and methanol) were used to obtain a homogeneous phase. The effects of different modifying agents and solvents on the hydrophobicity and nanostructure of the product were investigated. The synthesized zinc borate was characterized by X-ray diffraction and Fourier-transform infrared spectroscopy. Contact angles were measured to determine the hydrophobicity of the products and scanning electron microscopy was used to study both the morphology and nanostructure of the products. Hydrophobic, nanostructured zinc borate was successfully produced by use of zinc carbonate instead of zinc oxide as the novel zinc source. Use of different modifying agents and solvents affected both hydrophobicity and nanostructure.

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Section: X-ray Diffraction Patterns Of Zinc Boratessupporting

confidence: 81%

Section: Water Contact Angle Of Zinc Boratesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Synthesis of hydrophobic nanostructured zinc borate from zinc carbonate, and characterization of the product

2014

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“…13 Acarali et al produced zinc borate from zinc oxide and boric acid reference materials at 95 °C in 1-5 h using a zinc borate reference material as seed and researched the effects of modifying agents and reaction conditions on hydrophobicity and yield. 14 Sonochemistry is a green synthesis method for inorganic materials. In sonochemical reactions, acoustic cavitation increases the surface area for mass transfer between Ersan et al: A Novel Synthesis of Zinc Borates from ... reactants and thus increases the reaction rate.…”

Section: Introductionmentioning

confidence: 99%

A Novel Synthesis of Zinc Borates from a Zinc Oxide Precursor via Ultrasonic Irradiation

Ersan

Yıldırım

Kıpçak

et al. 2016

ACSi

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In this study, zinc borate hydrate (Zn 3 B 6 O 12 · 3.5H 2 O) was synthesized from zinc oxide (ZnO) and boric acid (H 3 BO 3 ) via a novel method of ultrasonic irradiation. X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FT-IR) and Raman spectroscopy were used to characterize the synthesized products. Scanning electron microscopy (SEM) was used to determine the effects of reaction time and reaction temperature on the morphology of the products. Thermal dehydration kinetics were studied using thermal gravimetry and differential thermal gravimetry analysis (TG/DTA). The Doyle and Kissinger non-isothermal kinetic methods were used to analyse the TG/DTA data. The XRD results confirmed the successful synthesis of Zn 3 B 6 O 12 · 3.5H 2 O at a range of reaction temperatures and times. Additionally, FT-IR and Raman analysis of the products identified peaks specific to zinc borate. Using the methods of Doyle and Kissinger, the activation energies of thermal dehydration of zinc borate were found to be 341.61 kJ/mol and 390.17 kJ/mol, respectively.

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“…The peaks due to asymmetric stretching vibrations of trihedral borate (BO 3 ) are clearly visualized from the band found between 1300 cm À1 and 1450 cm À1 . 26 The tetrahedral borate groups (BO 4 ) show asymmetric and symmetric stretching vibrations in the region 1000-1200 cm À1 and 700-1000 cm À1 , respectively. The peaks found in the region between 650 cm À1 and 750 cm À1 corresponds to the in-plane bending vibrations of trihedral groups of BO 3 .…”

Section: Ftir Analysismentioning

confidence: 99%

Improved Thermal and Fire Retardant Behavior of Polyvinyl Alcohol Matrix Using Nanocomposites

Jeyasubramanian¹,

Muthusankar²,

Selvakumar³

2019

Int. J. Nanosci.

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This report discusses in detail about the Fire retardant (FR) characteristics of polyvinyl alcohol (PVA) matrix fabricated by impregnating zinc borate nanoparticles (ZB Nps) as FR with trace amounts of copper chloride/aluminum chloride by solvent casting method. ZB Nps prepared by co-precipitation method are characterized using XRD, FTIR, SEM, TEM, etc. XRD pattern revealed the crystal geometry of ZB Nps and SEM and TEM micrographs depict a rod-like structure with 300–400[Formula: see text]nm size. Appropriate amount of ZB Nps and transition metal salts are mixed with PVA in aqueous medium and thin film samples are obtained by solvent casting method. The vibrational spectra, thermal stability and flammability of the polymeric composites are characterized using FTIR, TG/DTA and Flammability tester, respectively. FTIR spectra confirm the existence of ZB Nps in the prepared polymer composites. TG/DTA studies revealed higher degradation temperature and thermal stability of polymer composite over pure PVA. The limiting oxygen index (LOI) test presented a convincing account about the improved FR nature of obtained polymer nano composite with a significant LOI of 56% compared to virgin polymer which have LOI of 19.6%.

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Production and characterization of hydrophobic zinc borate by using palm oil

Cited by 7 publications

References 18 publications

Synthesis of hydrophobic nanostructured zinc borate from zinc carbonate, and characterization of the product

Synthesis of hydrophobic nanostructured zinc borate from zinc carbonate, and characterization of the product

A Novel Synthesis of Zinc Borates from a Zinc Oxide Precursor via Ultrasonic Irradiation

Improved Thermal and Fire Retardant Behavior of Polyvinyl Alcohol Matrix Using Nanocomposites

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