Nanomaterials have become an established area of academic research and have gained commercial importance due to their valuable physicochemical properties, such as large surface area, high mechanical strength as well as unique optical and electrical features. Numerous nanosize architectures have been researched and reported to date including quantum dots, fullerenes, nanorods, nanowires, nanofibers

In this work, boron nitride (BN) and exfoliated boron nitride nanosheets (BNNs) were employed as thermal conductive fillers to improve the thermal conductivity of poly(vinylidene fluoride) (PVDF) composites. Results suggested that the thermal conductivity of PVDF increases significantly with an increase in loading content of functional fillers. When the mass ratio of fillers was more than 30 wt%, the

Cast films, based on β-iPP, were prepared via melt extrusion, and, then annealed at different temperature. The effect of annealing on the properties of the cast films, as well as on microvoid formation and evolution was investigated. After annealing, the initial lamellar structure was improved, and more secondary crystals were formed which decreased the numbers of tie chains, which was beneficial to

Functionalization of multiwalled carbon nanotubes (MWCNTs) with amine group using 4,4′-diaminodiphenyl sulfone (DDS) is achieved after carboxylation of pure MWCNTs (p-MWCNTs). p-MWCNTs, a-MWCNTs (acid functional MWCNTs) and f-MWCNTs (amine functional MWCNTs) were used to fabricate their nanocomposite with PMMA. A comparative study of the humidity characteristics of p-MWCNTs/PMMA, a-MWCNTs/PMMA and

Herein, gold nanoparticles (Au Nps) imprinted polyacrylic acid/chitosan (PAA/CS) nanocomposite hydrogels are designed by in situ polymerization technique. The change in crystallite size and d-spacing is established from X-ray diffraction study. It is interesting to notice that the layered morphology of PAA/CS/Au nanocomposite hydrogel is achieved from field emission scanning electron microscopy due

Adjusting fibers shape can further optimize absorbing properties of the FeSiAlp/PP fibers composites. 80 wt% FeSiAlp/PP rhombic cross-sectional fibers were successfully prepared by liquid phase blending and extrusion drawing. The strength of the fibers is about 6 ~ 8 MPa. The effective absorption bandwidth (EAB, RL < −10 dB) of the resin matrix composites modified by rhombic cross-sectional fibers

In this work, characterization of polymer matrix composites was carried out. Thermoplastic polymers were used as a matrix. Nondestructive Young’s modulus values were compared with the destructive values. Differences between the destructive and nondestructive values are less than 10%. Reinforcements increased Young’s modulus. The principal strain values of the glass fiber-reinforced polymethylmethacrylate

The dielectric, thermophysical, optical, and hardness of pure polylactic acid (PLA) and hBN micropowder and Al2O3 nanopowder (1% to 30%) reinforced PLA hybrid composites were investigated. Hybrid composites exhibit improved thermal conductivity (k – 0.54 W/mK), permittivity (ɛꞌ – 4.6720 @ 1 MHz to 1 GHz) with very low loss tangent (tan δ < 0.02). High absorption in UV region was observed for all hybrid

In this study, attention has been paid to synthesize and investigate pH-sensitive biopolymeric hydrogel from renewable resource-based monomers such as citric acid, pyrrole-2-carboxylic acid, and ethylenediamine through two-step condensation polymerization. The formation of hydrogel and structure of hydrogel were confirmed by Fourier-transform spectroscopy and nuclear magnetic resonance spectroscopy

Preparation of poly(thiophene-alt-pyrrole bearing mesogen) was carried out with Migita–Kosugi–Stille coupling type polycondensation with an aid of Pd(0) complex catalyst. The resultant polymer shows lyotropic liquid crystallinity with good film-forming property. The smectic fan-shaped texture is maintained after completion of evaporation of solvent from the polymer solution. The cast film having liquid

Solid polymer electrolytes (SPEs) have been widely studied due to its extensive applications in high energy rechargeable batteries, supercapacitors, fuel cells, photoelectrochemical and electrochromic displays. Herein, SPEs based on polyvinyl pyrrolidone (PVP) doped with cesium aluminate (CsAlO2) nanoparticles (NPs), lithium perchlorate (LiClO4) as an electrolyte and varying amounts viz., 2, 4, 6 and

A facile and a novel method for synthesis of poly(o-toluidine)-Li nanocomposite, in an aqueous medium, by in-situ method, has been reported. The composite has been synthesized using green route method and explored as a material for energy storage. Characteristics of the synthesized nanocomposite have been studied using Fourier transform infraredspectroscopy, X-ray diffraction, cyclic voltammetry, ultraviolet-visible

In this paper, the effect of SiO2 nano-particles on PVA-PVP-PEG-NaI based polymer blend electrolyte (PBE) films was studied and optimized. X-ray diffraction (XRD) and attenuated total reflection (ATR)-FTIR, thermo-gravimetric analysis (TGA), and ac impedance spectroscopic techniques have been used to study the structural, thermal, and dc conductivity, respectively. XRD results reveal that the characteristic

Modified nanosize rice husk powder (i.e. mod.nRHP; mod.nRHP-MA-RAFT-H)/ethylene propylene diene monomer (EPDM) nanocomposite was prepared by solvent casting method. The surface of nano rice husk (n-RHP) was treated with maleic anhydride (MA) to yield n-RHP-MA, then, aliphatic hyperbranched polyester (H) was end capped with RAFT agent to obtain H-RAFT. Afterward, H-RAFT-was successfully anchored onto

The state-of-the-art article presents concepts of nanobelt nanofiller, inimitable properties of derived polymeric nanocomposite, applications, and outlook on challenges to gain next generation high-performance materials. Nanobelt is a one-dimensional nanostructured nanomaterial. Owing to minuscule size and high surface area, nanobelt possesses unique structural, optical, electronic, mechanical, and

Polyethylene (PE)/epoxy blends filled with graphite were prepared and studied in this work. The in-plane and through-plane conductivities of the composites increased from 11.68 Scm−1 to 73.11 Scm−1 and 0.20 Scm−1 to 4.12 Scm−1, respectively, as graphite content increased from 30 to 80 wt%. Phase bonding effect of the compatibilizer and reinforcing effect of the filler enhanced the flexural modulus

Flexible conductive polymer composites with good mechanical property play an important role in the modern electronic industry. In this study, aromatic poly(amide-imide) (PAI) and thermoplastic polyurethane (TPU), functionalized multi-wall carbon nanotube (FMWCNT) and reduced graphene oxide (RGO), were, respectively, used as polymer matrix and conductive filler to fabricate conductive polymer composites

The hydrophobic polyether sulfone membranes were prepared by the sol-gel method to be applied in an air gap membrane distillation setup for desalination. The surface modifications were carried out using Trimethylsilyl chloride (TMSCl) and Methyltrimethoxysilane (MTMS) solutions. The membranes were characterized using Attenuated Total Reflection Infrared (ATR-IR) spectroscopy, Scanning Electron Microscopy

This current research represents practical synthetic protocol for novel core-shell nanocomposites (CSNCs) containing titania. TiO2/poly(anthranilic acid, m-aminobenzoic acid, and o-phenylenediamine) (TiO2/PANA-m-ABA-o-PDA) CSNCs were fabricated applying 2:2:1 molar ratio of the appropriate monomers and varied loads of TiO2 via polycondensation. The fabrication of the TiO2/PANA-m-ABA- o-PDA CSNCs was

Silver nanocomposite (SNC) containing pH sensitivity with fascinating attention may be recommended for extensive utilization in eco-friendly nanomaterial applications. In the present investigation, a strategy to fabricate new biodegradable and biocompatible hydrogels based on sodium alginate/ethylene glycol/acrylic acid functionalized with silver nanocomposites, which were synthesized by a facile greener

A solid-state supercapacitor was designed based on conjugated polymer – quantum dots composite synthesized by the in-situ chemical method. The polypyrrole-graphene quantum dots composite (PGC) was used to preparation of flexible supercapacitor electrode with various PVA/KOH, PVA/H3PO4, PVA/H2SO4, PVA/KCl gel electrolytes. It is observed that PPY-GQDs exhibited a maximum specific capacitance of 730 F/g

Lithium (Li+) ion conducting nanocomposite polymer blend electrolytes (NCPBEs) based on poly(ethylene oxide) (PEO), poly(vinylidene fluoride hexafluoropropylene) (P(VdF-HFP)) as polymer hosts, lithium perchlorate (LiClO4) as an electrolyte and strontium titanate (SrTiO3) as a nanofiller have been prepared by both the conventional stirring and ultrasonic irradiation methods. Complex formation and hence

Herein, new microspheres were successfully fabricated from pentaerythritol tetrakis(3-mercaptopropionate) as model monomer and hexachlorocyclotriphosphazene as crosslinker using a single-step via precipitation polymerization method. Trimethoprim was chosen as the model antibiotic drug for drug release and antimicrobial activity studies. The percent of drug loading and drug entrapment efficiency of

Poly(ether-ketone)/hexagonal boron nitride (h-BN) composites reinforced with micrometer-sized h-BN particles were investigated. The composites exhibited glass transition temperature (Tg) and thermal stability over 160°C and 560°C, respectively. The melting point and peak crystallization temperatures of the composites decreased up to 17°C and 12°C, respectively. The linear CTE of the composites decreased

Modern agriculture needs multifunctional greenhouse films to meet different needs. A novel method for improving light converting properties and wettability of polyethylene film was developed in this paper. Glycerin monostearic acid itaconic acid diester (GI) with a carboxyl group and double band was synthesized. Rare earth complex Eu(GI)3Phen with Eu3+ as central ion has been obtained. Subsequently

Three series of poly(ethylene-co-vinyl acetate)/mesoporous silica type SBA-15 (EVA/SBA-15) nanocomposites, containing 1, 2, 3, and 4 wt% SBA-15 nanoparticles were prepared by melt blending in internal mixer. The mesoporous silica SBA-15 was synthesized by the sol-gel method and organomodified by Hexadecyltrimethoxysilane (HDTMS). The terpolymer of Ethylene-butyl acrylate-maleic anhydride (E-BA-MA)

A new category of thermally stable and soluble polyketone (PKtph) together with its related zinc oxide-doped nanocomposites (PKtphZnOa-d) based on 4-tert-butylcyclohexanone moiety as a branched moiety was synthesized through Friedel–Crafts reaction. The desired PKtph characterized through certain characterization techniques including FTIR, viscosity, solubility, XRD, and gel permeation chromatography

Impedance spectroscopy-based electrical measurements were conducted on different molecular weight (MW) Poly(1,6-heptadiyne)s (PHDs) embedded PHD/NiFe2O4 nanocomposites. Nanocomposites conductivity result demonstrated the conductivities of around 3.5 × 10 − 6 − 16 × 10 − 6 S C m − 1 (nanocomposite Root mean square (RMS) current is 12–15 times greater than DC current of PHDs at 27° C). Additionally,

In this research, the silk fibers that were successfully extracted from silk cocoons using Na2CO3 were treated with silane coupling agent (3-aminopropyl)trimethoxysilane The silane treated and untreated silk fiber reinforced epoxy composites were fabricated using the hand lay-up technique. The effects of fiber loading and the presence of silane coupling agent on the mechanical, morphological, thermal

In this work, novel magnetic nanocomposite adsorbents were prepared by crosslinking β-cyclodextrin (β-CD) onto chitosan backbones by using epichlorohydrin as a crosslinker and in the presence of Fe3O4 nanoparticles. The composition of β-CD-chitosan nanocomposites was characterized via FTIR, XRD, TEM, SEM, and VSM. Then, the as-prepared nanocomposites were treated for elimination of methyl orange (MO)

Microcapsules with TFA or TCA healing agents with an outer poly(melamine-urea-formaldehyde) (PMUF) were successfully synthesized for the first time, according to a review of published literature. The average sizes of the microcapsules obtained were measured to be 1.7 and 2 µm for TFA/PMUF and TCA/PMUF, respectively. Both microcapsules were separately added to an epoxy-based coating formulation. To

Herein, graft-modified ethylene-1-octene copolymer (POE-g-GMA) and styrene-butadiene-styrene triblock copolymer (SBS-g-GMA) were found to be excellent reactive compatibilizers for immiscible poly(ethylene terephthalate) (PET)/high-density polyethylene (HDPE) blends via in-situ reaction compatibilization. With increase in compatibilizer amount, uniform phase morphology was observed in all the blends

Novel nanocomposite smart hydrogel (NSH) and smart hydrogel (SH) are prepared to be used as a support for invertase. Spectrophotometric and thermal analysis methods were used for the characterization. Lower critical solution temperature values of SH and NSH were found as 32.68°C and 30.44°C, respectively. From the pH-responsive swellings performed at three different temperatures, the inflection point

A series of thermoplastic polyurethanes (TPUs) composed of polyethylene glycol polyurethane (PEG-PU) and polydimethylsiloxane polyurethane (PDMS-PU) were prepared to examine the effects of the PEG molecular weight (MW) on the surface and physical properties. The adaptive PEG-PU-co-PDMS-PU structures resembled the architectures of a diblock copolymer, which used the MW-fractionated PEG. The sufficient

Novel mixed matrix membranes with various Cloisite®15A in polyimide (PI) matrix were developed for gas separation. The synthesized membranes were characterized by the FE-SEM, XRD, DTG and TEM. According to FE-SEM results, at 3 wt% of Cloisite®15A, the fillers were dispersed homogeneously in the PI polymer matrix. The tensile properties of PI/Cloisite®15A increased gradually with clay content. It was

Nanoemulsions are one of the systems being used for targeted drug delivery. Lipopeptide possesses antibacterial and anticancer activities, and eucalyptus essential oil offers antimicrobial and anti-inflammatory properties. In this study, a nanoemulsion based drug delivery system has been synthesized using the above combinations (eucalyptus essential oil and surfactin) for the first time and investigated

Industries produce large amounts of heavy metal waste that are hazardous to the environment. Thus, heavy metal ions such as nickel (II), lead (II), copper (II), cadmium (II), and zinc (II), must be removed from wastewater. One commonly employed method is biosorption, which is the adsorption of metal ions by biomaterials such as polysaccharides. In this review, polysaccharides are classified into four

To investigate the influence of molecular structure of isotactic polypropylene (iPP) on the crystallization behavior and mechanical properties of its β-nucleated product, in this study, four iPP samples were selected. Results of molecular structure characterizations revealed that the molecular weight of the iPP resins are close, while the average isotacticities and the isotacticity distributions of

Recently, fabrication of polymeric nanocomposite via emulsion polymerization process has become a research spotlight. This review highlights the capability of emulsion polymerization technique to produce polymeric nanocomposite with tailored nanostructures, advanced properties, and high performance. Initially, overview on emulsion polymerization is presented. Afterward, advances in nanocomposites through

Polyimides form an important class of high-performance polymers. Polyamides with aromatic macromolecular architecture have revealed excellent conducting, mechanical, and thermal properties for aerospace, automotive, electronics, and other technical industries. Recently, polyimide nanofiber and polyimide nanocomposite nanofiber have been focused for fabrication, essential physical features, and subsequent

In this study, Zn(II) ion-imprinted polymer was prepared on the surface of vinyl silica particles and applied for detection of Zn(II) ions using differential pulse voltametry. The ion- imprinted polymer particles were prepared by free radical polymerization. The prepared particles were characterized by different morphological and elemental techniques. The ion-imprinted particles were used to fabricate

Gelatin hydrogel has been widely applied in bio-applications due to their good biocompatibility and high water content. However, poor mechanical properties of gelatin hydrogel greatly limit their application. Here we present a facile one-step soaking method to fabricate a recoverable gelatin hydrogel with high mechanical property, which is based on hydrogen bonds and metal ionic interaction. The mechanical

In this article, water-based epoxy–acrylate (EP/AC) emulsion coatings and its nanocomposites with Fe3O4 nanoparticles, graphene oxide nanosheets and graphene oxide which was decorated with Fe3O4 nanoparticles were synthesized. This was executed by means of a pre-emulsion seeded semi-batch emulsion polymerization handle with a blend of conventional anionic surfactant (Polyalkylene glycol ether sulfate

Polymer nanocomposite membranes based on sulfonated poly (ether ether ketone) (SPEEK) and barium strontium titanium oxide (BSTO) have been prepared by solution casting technique. The SPEEK was obtained by direct sulfonation of poly (ether ether ketone) using concentrated sulfuric acid. The degree of sulfonation of SPEEK was determined by 1H NMR spectroscopy. The composite membranes showed higher water

Nanoparticles, carbon nanotubes and polymers are widely used nowadays to improve biosensing phenomenon. However, studies considering impact of their combination on biosensor sensitivity are rarely reported. Present work involves synthesis of thin films using different combinations and comparisons of their properties. The metal (silver nanoparticles)-polymer (PVA), MWCNT-polymer and Metal-MWCNT-polymer

Polyvinylchloride (PVC)/nickel oxide (NiO)/tungsten oxide (WO3) nanocomposite films were prepared via solution casting technique. The crystallinity, morphology, and the analysis of dispersion state of PVC/NiO/WO3 nanocomposite was carried out using X-ray diffraction (XRD) and scanning electron microscopy (SEM). The dielectric studies of nanocomposite films were investigated and a maximum dielectric

Thermoplastic polyurethane (TPU) reinforced with natural or renewable fillers gained significant attention in the scientific community and industries. The properties of TPU can be tailored using different reinforcements or blends to enhance its performance and elevate the potential applications of the composite. Besides, composites offer eco-friendliness, recyclability, and biocompatibility thus overcoming

In our work, reversible addition-fragmentation chain transfer (RAFT)/carbon nanotube (CNT)/acrylic acid (AA)/acrylamide (AAm) nanocomposite was synthesized by living radical polymerization. The structure and surface morphology of the synthesized RAFT-CNT-Hydrogel nanocomposites were analyzed by FTIR, 1HNMR, SEM, TEM, XRD, and TGA/DTG techniques. The results indicated that PAA/AAm chains grafted with

Polyurethane (PU) composites were prepared with different diisocyanate and diol compounds by adding cobalt ion-based polyoxometalate (Co-POM) as reinforcement. For the determination of using potential in microelectronic applications, the dielectric behavior and dielectric constant of these PU composites were investigated and compared to pure polyurethane structures. For this aim, firstly, Co-POM with

In this study, electrolyte materials were synthesized by mixing a highly conducting salt (K2CO3) with the poly(vinyl alcohol) (PVA) in different proportions (from 10 to 50 wt.%). The synthesized electrolyte was characterized using Fourier transform infrared (FTIR) spectroscopy, field-emission scanning electron microscopy (FESEM), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC)

A very small amount of aryl amide derivative (TMB-5) was used for nucleating Poly(ethylene 2,6-naphathalate) (PEN) by melt blending. The crystalline temperature, crystallinity, and nucleation efficiency of the composites were increased as a result of the addition of TMB-5. The half-time of crystallization decreased upon the addition of TMB-5 and the work required in folding polymer chains were reduced

Suspension polymerization is widely used for the preparation of microsphere and microcapsules for many applications. However, the formation of secondary particle byproducts decreases drastically the obtained microsphere yield and microcapsule shell strength. It is surprisingly finding that the secondary particles were not observed in the preparation of polymethyl methacrylate particles by suspension

Polymeric hydrogels are three dimensional polymeric networks. Incorporation of nanoparticle in polymers has led to emerging class of nanocomposite hydrogel having hierarchical 3D nanostructured mesh. This review scrutinizes the effect of nanomaterials on design, structure, functional properties, and applications of polymeric nanocomposite hydrogels. Herein, current state of the art in different types

The paper presents a general scheme for producing polymer composites based on a thermoplastic polyimide and modified WO2 and reinforcement of carbon fabric. Two layers of reinforcement of carbon fabric in the composites was carried out. The occurrence depth of carbon fabric in the composite is ~ 300 μm above and ~ 300 μm below. For composites with modified WO2 and two layers of reinforcement an increase

Urea-formaldehyde (UF)/carboxylated carbon nanotubes (CNTs-COOH) nanocomposite foams were prepared via in-situ polymerization. Chemical bonding and hydrogen bonding interactions formed between CNTs-COOH and UF matrix. UF resin adhered onto the ektexine of CNTs-COOH and grafting ratio of 496.41% was achieved. UF/CNTs-COOH foam showed smaller cell size, narrower cell size distribution and lower water

Fungal infection in immuno compromised patients causes skin syndromes and problems. At Present, innovative alternatives are required to cure skin disorders and infections. Luliconazole is a novel, broad spectrum, imidazole antifungal agent. The purpose of this study was to develop biodegradable, pH responsive, chemically cross-linked and Poly (acrylic acid) grafted sodium carboxymethyl cellulose nanogels

A facile method was used for fabricating in-situ-polymerized shape memory polyurethane (PU) hydroxyapatite (HA) nanocomposite scaffolds through electrospinning. The chemical structure and hydrogen bonding index (HBI) content were investigated using Fourier transform infrared spectroscopy. The crystalline morphology was analyzed by X-ray diffraction patterns. Differential scanning calorimetry was conducted

In this study, we synthesized a new organic-inorganic hybrid material based on N-halamine and TiO2 using miniemulsion polymerization. N-halamine as a broad-spectrum antimicrobial agent has a more powerful inactivation ability over other agents. The novel TiO2 based nanocomposites (MPS-TiO2@PVBC-DMH-Cl NPs) demonstrated significantly enhanced UV stability, potent antibacterial and antifungal activities

(2020). “Conference on Innovation in Polymer Science and Technology (IPST) 2019” The Stones – Legian, Bali, Indonesia, 16-19th October 2019. Polymer-Plastics Technology and Materials: Vol. 59, Conference on Innovation in Polymer Science and Technology (IPST) 2019' Bali, Indonesia, 16-19th October 2019, pp. 1249-1249.

The inherent properties of starch which are poor mechanical properties and its hydrophilicity that leads to poor long-term water absorption, fostered the incorporation of additives into starch-based bioplastic to enhance its mechanical and barrier properties. Zinc oxide (ZnO) nanoparticle as a lightweight material that is biocompatible, nontoxic, cost-effective and exhibit strong antibacterial activity