Porous graphene oxide-surfactant/poly(lactic acid) (GO-S/PLA) nanocomposite film with highly ordered hexagonal pore arrangement was fabricated via a combination of ionic interaction-supported GO dispersion and the improved phase separation method. First, flat is prepared by coating well-dispersed GO-S/PLA solution on solid substrate. Subsequently, exposed to mixture chloroform methanol as suitable volatile solvent/nonsolvent pair for both PLA surfactant-grafted sheets. A monolayer honeycomb...

The accumulating volume of plastic waste globally, particularly from food packaging, has raised urgent concerns pollution. Triboelectric nanogenerators (TENGs) utilizing offer a promising solution for not only reducing pollution but minimizing energy crisis, and enabling the development self-powered wearable electronics. However, these TENGs suffer significant limitations, including low output performance limited working reliability due to use low-grade materials. To address issues, this...

In this research, the PLA-diol were synthesized from lactic acid (LA) and 1.4 butanediols (BD) with a tin octoate Sn(Oct)2 catalyst at temperature of 180 °C pressure 5 mmHg. The structure properties are analyzed by following methods: GPC, 1H-NMR DSC. As result, change in content Sn (Oct)2 0.1 to 1.0%, molecular weight Mn PLA - diol increased gradually 4.119,2 7.359,6 g / mol . addition, BD 2.0% 5.0%, average product decreased 7.536,9 4.735 mol, respectively. This will affect ability use next...

Abstract Bioinspired smart surfaces, such as slippery liquid‐infused porous surfaces (SLIPS), have garnered significant attention due to their efficacy in self‐cleaning, antifouling, and antibacterial applications. Despite advantages, SLIPS exhibit limitations compromised transparency, insufficient stability, limited performance, which hindered widespread practical use. To address these challenges, this article proposes a rational design utilizing void‐centered poly(vinylidene fluoride‐ co...

Abstract The ongoing global energy crisis presents a significant challenge all over the world. In this study, triboelectric nanogenerator (TENG) made of recyclable thermoplastic polycarbonate has been proposed as promising environmentally friendly solution due to its potential capability convert low‐frequency mechanical sources such human motion and ocean waves into electricity with applications including powering wearable electronic devices self‐powered sensors. We introduce an...

This study introduces a novel synthesis method that combines the solution plasma process (SPP) with subsequent heating and drying to produce highly activated polybenzene-grafted carbon nanoparticles intended for supercapacitor applications.

Abstract Recently, self‐healing coating has been emerged and become one of the most crucial critical materials with an excellent potential to repair physical damage prevent cracks from expansion as anticorrosion element lengthen lifespan. The determining factor in is that microcapsules containing a self‐curing liquid, which quickly fills up when coatings are cut. Microcapsule embracing isophorone diisocyanate (IPDI) strong agent requiring no catalyst continuously innovated be utilized...

Abstract Recently, microcapsule containing self‐healing agents and its application in coatings regarding corrosive resistance has played a pivotal role prolonging the shelf‐life of materials. To optimize anti‐corrosive ability alkyd paint, this research concentrated on synthesis microcapsules based poly(melamine‐urea‐formaldehyde) (PMUF) walled resin derived from soybean oil evaluating paint embedding these microcapsules. The advantages PMUF shell were studied such as enhancing durability...

In this research, silver nanoparticles were dispersed into acrylic emulsion by high-speed stirring method using scattered disc at room temperature. Antibacterial activity of the mixture was examined through changes some parameters such as nanosilver concentration, dispersing time and water addition amount. The antibacterial properties evaluated via number size colonies forming on surface film casting from in petri dishes. Besides that, distribution ability analysis scanning electron...

Polymer deriving from nature as Chitosan, which is one of the most abundant natural polymers in world has effectively antibacterial potentiality. However, chitosan relatively difficult for applications due to its disadvantageous properties. In this article, modifying (CS) grafting copolymerization using monomer n-butyl acrylate (BA) and tert-butyl hydroperoxide (TBHP) an initiator. This process purposes attain product having lower glass transition temperature (Tg) than original causing a...

Microcapsule-based material is potentially utilized in a variety of fields such as pharmaceuticals, food, biology, self-healing materials, etc. More remarkedly, the rubber-related fields, this outstanding able to have crucial role play an alternative sulfur compounding and vulcanizing process with regard ability after cracking. In research, interface polymerization was applied generate microcapsules, whose shell synthesized from Urea-formaldehyde pre-polymer modified by 0.25 wt% melamine...

Microcapsules had Urea Formaldehyde (UF) shell and linseed oil core were investigated manufacture. Synthesis UF of was experimented by emulsion polymerization pH only adjusted once mixer Resorcinol / Amoni Clorua. Content emulsifiler Sodium Dodecyl Sulphate, pH, agitation rate investigated. This research shows that the (core) is disintegrated at 1,500 rpm in = 5.5 with 1.2% (w/w) Sulphate. In addition, combination used order to create about 40% are suitable. The microcapsules products have...

For the purpose of using membranes from polysulfone (PSF) for oxygen enrichment, were prepared by dry/wet method. This method was involved in evaporation step air followed an immersion into a water bath. Then thin top layer asymmetric membrane formed step. There are three experimental parameters that influce formation including polymer concentration, time, and ratio tetrahydrofuran (THF)/N-methylpyrrolidone (NMP) studied. From experiments, some results showed high selectivity coefficient...

This paper describes the effects of Fe2O3, ZnO and TiO2 in paint formulations with a binder component is aluminum phosphate solution. Through evaluation mechanical properties as well investigation on ability to resist electrochemical corrosion base film, we could asses anti-corrosion coating system. The results showed that were better participation Ti2O. In term effectiveness resistance, role very important.

We have strategically imprinted hexagonally arranged microdome arrays onto the surface of thermoplastic polyurethane (TPU) to enhance both output performance and reliability a triboelectric nanogenerator (TENG).

It has been found for a long time that chitosan (CS) and silver nanoparticles (AgNPs) have outstanding antibacterial activities but there were some drawbacks restricting their wide utilization. In this research, CS modified is combined with AgNPs to expand applications enhance the activities. The colloid of (CS/Ag) was synthesized via chemical reduction while grafting copolymerization carried out monomer n-butyl acrylate (BA) initiator tert-butyl hydroperoxide (TBHP) generating composite...

Triboelectric nanogenerator (TENG), one of the latest and most effective technologies to harvest green energy in industrialization modernization era, converts mechanical electricity through triboelectrification electrostatic induction. Herein, highly porous poly(vinylidene fluoride-co-hexafluoropropylene) (PDVF-co-HFP) as a negatively charged tribomaterial was assembled with microdome-patterned chitosan positively surface fabricate TENG examine its electrical properties. The results revealed...

Chitosan (CS) is one of the most plenteous polymers in nature and gets ubiquitous many fields such as pharmaceutical medical industries, wastewater treatment, agriculture, etc.due to its remarkable biodegradability friendliness human beings ecology. Recently, nature-originated conductive materials havebeen gaining more attention than other because they can be utilized reality, while others are difficultto decompose after use. Understandably, polyaniline (PANI), which prominent with a...