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A facile method to control the synthesis of zinc glycinate is described. Zn(Ac)2 and ZnO are used as zinc source, and H+ is used as catalyst. The composition and structure of the chelate compounds are characterized by infrared spectroscopy(IR), thermogravimetric analysis(TGA) and x-ray powder diffraction(XRD)....

The application of effective superplasticizer is helpful to improve the working performance and durability of concrete. In our work, several high performance polycarboxylate-based superplasticizers were prepared by modifying the commercial products with two types of thickening agents. Their dispersion...

A new type of polyhedral oligomeric silsesquioxane (POSS) (7Ph-T7-Vinyl) containing phenyl and 9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) was synthesized from phenyltrimethoxysilane, trichlorovinylsilane, and DOPO in high yield. This product was subjected to addition reaction using an...

Cyclohexanone pentaerythritol ketal was synthesized from cyclohexanone and pentaerythritol by condensation using NaHSO4 as catalyst and characterized by NMR and MS spectrum. Furthermore, the structure of the tile compound was confirmed by single-crystal X-ray diffraction. It crystallizes in orthorhombic...

A UV curable complex system with vinyl resin and polyurethane acrylate photo-polymerization was investigated. The UV curing process of complex system was traced by IR. Thermal decomposition temperature of UV cured film for various system were determined by thermogravimetric analysis(TGA). And physical...

Carbon nano fiber (CNF) was modified by acid oxidation and maleic anhydride (MA) graft in current modification. The CNF filler surface properties were characterized by energy dispersive spectrometer (EDS) and X-ray photoelectron spectroscopy (XPS). In addition, the properties of epoxy resin with modified...

The thermo-oxidative degradation behavior of the B-PF was studied using thermal gravimetry analysis (TGA-DTG) method. Compared with the unmodified resin (PF), the temperature at the maximum decomposing rate of the B-PF resin increases by 54 and its oxidative residues yield at 1000 enhances by 17.99 percent....

Nanoparticles filled silicone rubber is widely used in electric encapsulation for its excellent insulating properties, thermal and optical stability. This paper focuses on the effect of nano-Al2O3 on the properties of phenyl silicone rubber at low loading ( 1%). Nano-Al2O3 was modified by silane coupling...

In this paper, thermogravimetric analysis method was studied in biomass thermal conversion analysis. Theoretical simulation and experimental methods indicated the problems existing in the traditional thermogravimetric analyzer (TGA). On this basis, a new thermogravimetric analysis platform was developed....

The embedded zero tree wavelet coding algorithm in wavelet transform domain is the efficient image compression coding algorithm, the wavelet transform coefficients according to their order of importance to, realize the progressive image coding, based on aggregation and S transform and MRCT transform...

Thermal decomposition of calcium carbonate has been studied by thermogravimetric analysis (TGA). The complementary application of the isoconversional method and model-fitting method has been used for deriving the kinetic triplet (activation energy [E], frequency factor [A], and model) from the TGA experiment....

In this work, a new covalent triazine framework based on phthalazinone-containing dinitrile building blocks was prepared by the dynamic nitrile-trimerization reaction. The FT-IR spectra of BCTF illustrated the characteristic peaks of the triazine at 1503 cm-1 and 1360 cm-1. The nitrogen sorption isotherm...

The objective of this work is to investigate experimentally the oxidation behavior of micron-sized aluminum particles with controlled thickness of alumina passive layers in oxidized environment. Samples in four different sizes were studied using differential scanning calorimetry, thermogravimetry analysis...

DTA/SDTG and DSC techniques were used to study the thermal behaviors of citronellol- -D-glucopyranoside (CGLY) . The heating rate was 5, 7.5, 10, and 12.5 K min-1, the samples were heated from 30oC to 500oC. Methods of Friedman and Flynn-Wall-Ozawa were applied to calculate the parameters of thermal...

A new linear 10-undecenoic acid-based diol and a chain extenders with 12C dangling chain length were synthesized via thiol-ene coupling and esterification reaction. In order to investigate the effect of the 10-undecenoic acid-based diol chain extender, the mole percent of the 10-undecenoic acid-based...

In recent years, the usage of natural fibers as reinforcement in composite materials has acquired significant attention because of their remarkable benefits, which include being lightweight, inexpensive, and biodegradable. The current work involved surface alteration by alkali treatment on sorghum fibers...

During pyrolysis of tobacco rob (TR), the operating parameters such as the temperature, the heating rate, and residence time and particle size affect the process and result of the pyrolysis. Some of these parameters have been closely considered but the particle size of TR is often ignored. In this study,...

Oxalate-loaded microcapsules can be used as applicable catalyst of in-situ heat system for hydraulic gel fracturing. In this study, oxalate-loaded microcapsule was prepared with AS as the shell material via phase separation. The product was characterized by thermogravimetric analyzer (TGA), laser diffraction...

The problem of narcotics in Indonesia still requires high attention and vigilance. UNODC World Drug Report reported that 269 million people worldwide abuse drugs. In Indonesia, the drug abuse prevalence rate is above 2.5%. Thematic Group Activities (TGA) is an innovation program with individual-based...

In order to study the pyrolysis process of Ethylene Propylene Diene Monomer (EPDM) insulation material and its compression mechanical behaviour under high strain rates, the thermal stability of EPDM was analysed by TGA in the first place. Based on the TG curve and the thermal degradation temperature,...

This study explores the development of eco-friendly bioplastics by incorporating nanocellulose (NC) derived from water hyacinth into a Polybutylene Adipate-co-Terephthalate (PBAT) matrix. Cellulose was extracted using chemical treatments, followed by acid hydrolysis to yield cellulose nanocrystals (CNCs)....

According to the literature preparation process, sulfonated acetone - formaldehyde polycondensate (SAF) was prepared with different mole ratio of formaldehyde (F) and acetone (A). Its structure was characterized by IR and TGA. SAF was applied in the Shenhua coal-water slurry (CWS). And the slurryability...

Poly (2-aminothiazole) was synthesized by chemical oxidative polymerization of 2-aminothiazole, through selecting the appropriate reaction medium and simply modulating reaction parameters such as reaction time, temperature and oxidant concentrations, the chemical structure, product yield and the thermal...

A new method was developed for directly preparing conductive polypyrrole (PPy)/cellulose acetate (CA) composite films by in-situ chemical polymerization. The surface morphology of the films was observed by the atomic force microscopy (AFM). It was found that the composite films were composed of two layers...

The growing demand for sustainable packaging has accelerated the development of biodegradable and environmentally friendly materials as alternatives to conventional plastics. Among the various strategies explored, the development of bioplastic films from renewable and natural resources offers a promising...

This study involved the optimization of the process for low-temperature early strength polycarboxylate superplasticizers (PCE), and determined the optimal DW07 process with excellent low-temperature early strength performance: n(AA)/n(EPEG) = 9.45, n(TGA)/n(EPEG) = 0.23, n(U1)/n(EPEG) = 0.72, n(M1)/n(EPEG) = 0.36....

In this paper, the optimization of the performance and exhaust emissions of a dual-fuel diesel engine experimented with Palm Oil Methyl Esters (POME) and LPG was carried out using Taguchi Grey Analysis, Regression Analysis, and Adaptive-Neuro Fuzzy Inference Systems (ANFIS). The JAYA algorithm was employed...

MFC/NFC aerogel was prepared, silver nanoparticles (AgNPs) were loaded in the aerogel. Ag-NPS were obtained successfully in the matrices without adding any other binders. The aerogel AgNPS size was defined by TEM. The thermal-stability was marked by TGA. This aerogel showed superior properties for Ag-NPS...

A new in site reduction method was introduced for nanopaper, typically for silver nanoparticles loading. Ag ions were spread into nanopaper, followed by immersion in NaBH4 solution. Ag-NPS were obtained successfully in the matrices without adding any other binders. The nanopaper micromorphology was characterized...

In this paper, the co-combustion behaviour of lignite coal with coal gangue and coal are investigated by a thermogravimetric analysis (TGA) in the temperature range from ambient temperature to 1000 . The thermal characteristics and kinetics of lignite coal, coal gangue and their blends are evaluated...

In this paper, the effect of different concentration of Sr2+ doping on the synthesis of Mn-Zn ferrite precursor by sol-gel method was studied, and the final product was synthesized by high temperature sintering. It showed that the spinel phase ZnFe2O4 of Mn-Zn ferrite gradually increased with the increase...

A novel spirocyclic halogen-free ame retardant ISCP was successfully synthesized, and its structure was confirmed by FTIR, 1H NMR, and 31P NMR. Results of LOI, UL-94, and CONE tests demonstrated that the ISCP effectively enhanced flame retardancy of EP composites, which could improve the LOI value from...

Indonesia, with a population of about 250 million people, not only produces large amounts of municipal solid waste (MSW) but also requires large amounts of energy. The conversion of MSW into solid fuel can be the solution to solve the problems. Indonesian MSW is dominated by high moisture-organic wastes...

Cobalt doped at B site from LaNiO3 with catalyst perovskite structure was synthesized by sol-gal process of thermal decomposition citrates. The gas diffusion electrode was manufactured via a complex process chain of catalyst LaNi1-xCoxO3 (LNC, x=0, 0.2, 0.4, 0.8, 1.0), graphite, sodium sulfate, PTFE...

A new approach for preparing polycaprolactone (PCL) with functional groups was introduced, by which three kinds of functional group-terminated PCLs (PCL-OH, PCL-Boc and PCL-NH2) were designed and synthesized. The composition, structure, and thermal property of these functional PCLs were characterized...

In this work, NiFe2O4 was prepared as oxygen carrier (OC) and its redox performance with lignite was systematically studied by thermogravimetric analyzer (TGA) experiments. Surface structures of the fresh and reduced NiFe2O4 were characterized by SEM, BET, and XRD methods. In comparison with NiO and...

The application of carbon nanotubes (CNTs) in biomaterials field was limited by its poor dispersion in water solution. In this paper, a specific methodology based on potassium permanganate (KMnO4)/concentrated sulfuric acid (H2SO4) hydrothermal oxidation was used to modify the surface of multi-walled...

In this study, epoxy resin modified waterborne polyurethane (EWPU) modified emulsified asphalt was successfully prepared by using self-made EWPU emulsion. Firstly, the optimal dosage range of EWPU was determined based on the evaporation residue content, remaining amount on sieve and storage stability...

In Indonesia, industrial waste is widely generated from the wood and food industries. The large amount of waste available in this environment has great potential to be reused into renewable energy, such as biomass pellets. Therefore, it is necessary to conduct research in the field of waste engineering...

MFC aerogel was prepared, magnetic nanoparticles (MNPs) were loaded in the aerogel. MNPS were obtained successfully in the matrices without adding any other binders. The aerogel MNPS size was defined by TEM. The thermal-stability was marked by TGA. XRD was examined to define the particles of Fe3O4. This...

The hybrid membranes for pervaporation of ethanol-water mixture were prepared by filled Lampung natural zeolite (LNZ) into cellulose acetate (CA) casting solution in the varied ratio of CA:LNZ (30:0, 30:5, 30:10, 30: 20, 20:20 and 40:10) wt%. The effect of zeolite addition on the resulting membranes...

Technology of material development on drug delivery system has expanded vastly nowadays. The potential of alginate and carboxymethyl cellulose (CMC) as drug delivery carrier is presented. The alginate and CMC was prepared as hybrid hydrogels via sol-gel method and dried by supercritical CO2 and at ambient...

This study aims to determine the thermal characteristics of fly ash. The fly ash used in this study comes from the Paiton PLTU. The test was carried out using the TGA method. The TGA test was carried out at a temperature of 0°–1000 °C with a heating rate of 20 °C/min and nitrogen (N2) as a carrier gas....

MFC aerogel was prepared, magnetic nanoparticles (MNPs) were loaded in the aerogel. MNPS were obtained successfully in the matrices without adding any other binders. The aerogel MNPS size was defined by TEM. The thermal-stability was marked by TGA. XRD was examined to define the particles of Fe3O4. This...

In the last decade, high consumption of fossil fuels has led to a serious energy crisis because of the increased energy demand for industrialization and modernization. It caused many environmental concerns because of the greenhouse gas emission along with energy security issues. These fossil fuels resources...

A novel solvent-free photosensitive polyester based on the hyperbranched aliphatic polyesters has been studied. The hyperbranched aliphatic polyesters (Polymer A), which was prepared from 2,2-dihydroxymethyl butyric acid(DMBA) containing one carboxylic group and two hydroxylic groups, Trimethylolpropane(TMP)...

Na-MMT/Poly-Vinyl acetate-Acrylate (PVA) nanocomposite emulsion was prepared by in situ emulsion polymerization in the presence of exfoliated Na-MMT suspension. Effect Na-MMT content on the polymerization process and stability of the emulsion was studied. The water-proofing, thermal stability and anti-aging...

In this novel, (BN+MWCNT) /UHMWPE composites were prepared by powder blending method. The thermal conductivity of the polymer can be improved by adding boron nitride and multi walled carbon nanotubes .When the loading of BN was 50wt%, the thermal conductivity rate of ultra high mole-cular weight polyethylene...

The effects of torrefaction on the pyrolysis of corn stalk were investigated using a thermogravimetric analyzer (TGA) and a pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS). The results showed that with increasing torrefaction temperature, the volatile matter and oxygen content decreased, while...

Feature selection plays a significant role in the field of data mining and machine learning to reduce the data dimension, speed up the model building process and improve algorithm performance. Tree growth algorithm (TGA) is a recent proposed population-based metaheuristic, which shows great power of...