A5008008881- Calcium Carbonate Crystallization and Inhibition
- Corrosion Behavior and Inhibition
- Polymer composites and self-healing
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Magnetic and Electromagnetic Effects
- Synthesis of Indole Derivatives
- Synthesis and Properties of Aromatic Compounds
- Polymer Synthesis and Characterization
- Microbial Applications in Construction Materials
- Conducting polymers and applications
- Pigment Synthesis and Properties
- Concrete Corrosion and Durability
- Endodontics and Root Canal Treatments
- Photoacoustic and Ultrasonic Imaging
- Covalent Organic Framework Applications
- Ultrasound and Cavitation Phenomena
- Supramolecular Self-Assembly in Materials
- Epoxy Resin Curing Processes
- Concrete and Cement Materials Research
- Fungal Plant Pathogen Control
- Oxidative Organic Chemistry Reactions
- Polydiacetylene-based materials and applications
- Advanced Photocatalysis Techniques
- Minerals Flotation and Separation Techniques
Southeast University
2007-2020
Southeast University Chengxian College
2017-2019
Porous BiOBr microspheres have been successfully synthesized through an ethylene glycol‐assisted solvothermal method using reactive ionic liquids as templates and reactants during the synthetic process. The obtained samples were characterized X‐ray diffraction, scanning transmission electron microscopies photoelectron, energy‐dispersive X‐ray, Fourier transform infrared, diffuse reflectance photoluminescence spectroscopies. photocatalytic activities evaluated degradation of rhodamine B...
A series of novel strobilurin analogues (1a-1f, 2a-2e, 3a-3e) containing arylpyrazole rings were synthesized and characterized by NMR spectroscopy. The structures 1f, 2b 3b also determined single crystal X-ray diffraction analysis. These collected together with other twenty-eight similar compounds 4a-4f, 5a-5h, 6a-6h 7a-7f from our previous studies, for in vitro bioassays thorough structure-activity relationships (SARs) studies. Most exhibited excellent-to-good fungicidal activity against...
Friedel–Crafts alkylation of long-chain alkenes (mixed C16–24 olefins) with toluene catalyzed by chloroaluminate ionic liquids was investigated systematically in this work. The catalysts were characterized FT-IR (acetonitrile molecule as probe), specific gravity, and 27Al NMR. Besides, the effect catalysts, dosage, toluene/olefins molar ratio, reaction temperature, time, olefins (long-chain alkenes) on thoroughly. Bromine value high performance liquid chromatography employed evaluation...
An effective method for controlling scale formation in circulating cooling water system is the use of inhibitors.A novel multi-functional inhibitor AA-APES-H 3 PO terpolymer, was prepared by acrylic acid (AA), ammonium allylpolyethoxy sulfate (APES), and phosphorous (H ) structural properties were identified Fourier transform infrared 1 H-NMR.The inhibitory power terpolymer determined using a static inhibition method.The polymer's effectiveness on calcium scales assessed X-ray...
To inhibit calcium carbonate and sulfate scales in cooling water systems, a new antiscalant (acrylic acid-oxalic acid-methallyl methoxy polyethylene glycol, [AA-HPEZ]) was synthesized via radical copolymerization, the structure of inhibitors characterized by Fourier Transform infrared spectroscopy, hydrogen Nuclear magnetic resonance, carbon thirteen resonance.The ability polymer to mitigate formation tested static scale inhibition methods.The efficiencies AA-HPEZ toward CaCO 3 CaSO 4 were...
Abstract Novel optically active polyurethanes (BPUs) based on chiral 1,1′‐binaphthol were synthesized via direct hydrogen transfer addition polymerization. The polymers analyzed by FTIR, 1 H NMR, DSC‐TGA, CD spectra.The results showed that the specific rotation [α] 25 D −78.0° and +54.6° for S‐BPU R‐BPU respectively, these better thermal stability. circular dichroism spectra of almost identical except they gave opposite signals at each wavelength, infrared emissivity values 0.618 0.682,...
A non-phosphorus copolymer, acrylic acid-isoprenyl polyethoxy carboxylate copolymer (AA-TPEL) is synthesized and employed as a multifunctional scale inhibitor for calcium carbonate, sulfate phosphate deposits.The molecular structure of TPEL AA-TPEL characterized by Fourier transform infrared spectroscopy 1 hydrogen nuclear magnetic resonance spectroscopy.Scanning electron microscopy (SEM) X-ray powder diffraction are used to characterize the surface morphology crystal form scales.Compared...
A novel modified polyepoxysuccinic acid polymer, epoxysuccinic acid-oxalic acid-allypolyethoxy carboxylate (ESA-co-APEM, PEM), was prepared through free-radical polymerization reaction of ESA and APEM characterized by Fourier transform infrared spectroscopy.The polymer's ability to inhibit calcium sulfate scale formation, disperse ferric oxide is investigated static tests its corrosion inhibition performance studied via weight loss measurements.The efficiency CaSO 4 could reach 99% in the...
Modified polyepoxysuccinic acid (PESA) scale inhibitor, ESA-co-APEM (PEM), was prepared through free-radical polymerization on PESA with oxalic acid-allypolyethoxy carboxylate, and then applied for the inhibition of calcium scales from cooling water, such as CaCO 3 , CaSO 4 Ca (PO ) 2 .The structure PEM characterized by Fourier transform infrared (FTIR), 1 H NMR, 13 C performance toward studied method static test different dosages.The polymer exhibited more excellent property against than...
A potential polymeric scale inhibitor, acrylic acid-succinic anhydride-methallyl methoxy polyethylene glycol (AA-HPEL), was synthesized by radical polymerization.The inhibition ability of new antiscalant to calcium carbonate and sulfate are better than current commercial inhibitors which listed in this paper.The static rate on can reach up 93.6% 100% at dosage levels 8 5 mg/L, respectively.Influences the solution property (temperature, ions concentration pH value) efficiency were also...
Scaling by calcium carbonate precipitation is one of the major challenges in circulating cooling water systems, which are used to transfer an amount waste heat industrial productive process.Calcium scale decreases efficiency equipment, hinders normal process, and even causes equipment layoff.Polyepoxysuccinic acid (PESA) environmentally friendly scaling inhibitor.In order enhance performance its inhibition on carbonate, a modified new PESA inhibitor, epoxysuccinic acid-oxalic...
Abstract A novel double-hydrophilic copolymer (acrylic acid-isoprenyl polyethoxy carboxylate, AA-TPEL) is synthesized and the structural properties are identified by FT-IR, 1 HNMR GPC analyses. The inhibitory behavior of determined using a static scale inhibition method. It shown that AA-TPEL exhibits an excellent ability to control formation CaCO 3 with efficiency 88.67 % at 8 mg L –1 , it still maintains superior even increasing solution temperature, pH, Ca 2+ concentration. Weight loss...
A kind of polyether-based copolymer, AA-TPEO, was synthesized using isoamyl alcohol polyoxyethylene ether, oxalic acid and acrylic acid.In this article, AA-TPEO prepared at different mole ratios.After that, the polymer characterized by Fourier-transform infrared (FT-IR) firstly.And further verification done through 1 H NMR.Then, molecular weight its distributed situation were investigated GPC.All above consequences demonstrated that synthetic experiment successful.This work mainly aimed...
Abstract The inhibition effect of three inhibitors with different chain lengths their ether groups on Q235 steel in 0.5 M HCl solution at 318 K was determined by means weight loss measureme nt, electrochemical methods (Tafel and EIS) surface analysis (SEM). Moreover, the further study corrosion mechanism also conducted computational (Quantum chemical calculations Molecular dynamics simulations). Results reveal that exhibit an excellent performance for carbon steel, efficiency increases...
A new kind of modified benzotriazole derivative with polyether chain o-phenylenediamine (OPD)/MPEM was synthesized as corrosion inhibition for copper in 3.5 wt.% NaCl solution.The efficiency estimated usingf weight loss measurement, electrochemical methods (Tafel and EIS) surface analysis scanning electron microscopy.Moreover, mechanism also conducted by the determination, adsorption isotherm well quantum chemical calculation computational methods.All measurements show that OPD/MPEM acts an...
In the circulating cooling water systems, scale formation and stabilization of suspensions are persistent problems, which can be overcome through use water-soluble polymers.In this work, a new double-hydrophilic block terpolymer AA-APES-H 3 PO was synthesized from monomers acrylic acid (AA), ammonium allylpolyethoxy sulfate (APES), phosphorous (H ) with as solvent by free-radical polymerization.This characterized Fourier-transform infrared spectrometry (FT-IR) nuclear magnetic resonance...