Showing papers in "Polymer in 2021"

TL;DR: In this paper, a bi-layered structure composite for high-efficient solar evaporation based on photothermal-enhanced arginine-doped polydopamine (APDA) and raw wood, which are biodegradable and sustainable.

TL;DR: This review comprises different PHA modification methods which include physical bending using natural and synthetic polymers, different approaches of chemical modification and some biological modification methods to represent new approaches and ideas to improve the degradable properties of PHAs.

TL;DR: The fundamentals and laws governing 4D printing, materials that are employed in4D printing along with applications such as soft robotics and challenges that need to be overcome for 4Dprinting to evolve as a mainstream manufacturing technology are discussed.

TL;DR: In this article, the potential of chitosan as a biopolymer laden with NaI salt is explored and applied as solid polymer electrolyte for dye sensitised solar cells.

TL;DR: The commonly-used polylactic acid (PLA) polymer has been recognized as a compelling material candidate for 4D printing as it is a biobased polymer with great shape memory behavior that can be employed in the design and manufacturing of a broad range of smart products.

TL;DR: In this article, the authors used a simple and efficient method to design a multifunctional food packaging film with biodegradability, antifogging and antibacterial properties based on carboxymethyl chitosan/polyvinyl alcohol crosslinked network by using citric acid as crosslinker.

TL;DR: In this paper, the phase change materials (PCM) are used for the storage of latent thermal energy (LTES), but their low thermal conductivity values and liquid leakage on the transition phase of process limits their application.

TL;DR: In this paper, a self-healable waterborne polyurethane (WPU) with the synergistic reversible units of aliphatic disulfide bonds and quadruple hydrogen bonding have been successfully prepared.

TL;DR: PCL/Gel nanocomposite scaffolds reinforced by ACNFs show an excellent potential as a promising candidate for soft tissue engineering applications.

TL;DR: In this article, a carbon foam composite with light, inter-connective porous, and high-strength was developed based on the phenolic resin to encapsulate organic PCMs, and multi-walled carbon nanotubes (MWCNTs) were added to improve the compressive strength and light absorption at the same time.

TL;DR: In this article, the reaction between β-ketoesters derived from commercially available (2-acetoacetoxy) ethyl methacrylate (AAEMA) incorporated within isobornyl methacelate (IBOMA), from pine sap, and a bi-functional amine (Priamine, derived from vegetable oils) to synthesize catalyst-free vitrimers was explored.

TL;DR: In this paper, the authors proposed a new route to covalently attach 2D graphene oxide (GO) sheets with poly allylamine (PAA) resulting in a multifold improvement in the mechanical performance of PAA.

TL;DR: In this paper, the authors developed a modeling framework by integrating the cheminformatics approach and coarse-grained molecular dynamics (CG-MD) simulations to predict the glass transition temperatures (T g ) of glass-forming polymers.

TL;DR: In this paper, molecular dynamics simulations were carried out to understand the mechanical and energy storage properties of bisphenyl-A diglycidyl ether cured with isophorone diamine, a thermoset shape memory polymer with both excellent shape memory and stress memory properties.

TL;DR: Li et al. as mentioned in this paper used a thermal-assisted 3D printing method to print 3D printed hydrogels with high resolution and tailorable mechanical properties, which can be used in bio-medical field.

TL;DR: In this article, a novel and facile method that magnetic carboxymethyl chitosan aerogel (Fe3O4@PDA/CMC) has been developed with the combination of mussel-inspired chemistry and Schiff base reaction to remove cation and anion dyes.

TL;DR: In this paper, the dynamic magnetic behaviors of a ferrimagnetic mixed spin-1 and spin-3/2 Ising ladder-type graphene nanoribbon in a time-dependent magnetic field by utilizing Monte Carlo simulation were discussed.

TL;DR: In this paper, a phosphaphenanthrene-containing vanillin-derived compound (VDG) was synthesized by a one-pot nucleophilic addition reaction from vanillin, 9,10-dihydro-9-oxa-10-phosphaphenantrene-10oxide (DOPO), and 3,5diamino-1,2,4-triazole.

TL;DR: In this article, tannic acid (TA)-FeIII metal-phenolic networks (MPNs) were applied to polyurethane (PU) foams for flame retardant applications.

TL;DR: This work provides a viable avenue for developing bio-compatible shape memory hydrogel with acceptable mechanical and drug release properties applied as wound dressing and suggests the representative PAM-Gel5 hydrogels exhibited good in vitro cytocompatibility.

TL;DR: In this paper, an amphiphilic aromatic multi-block copolymer (abbreviated as amPENS) showing intrinsic blue fluorescence emission, which was further employed as a coordination ligand to sensitize the intrinsic fluorescence emissions of Tb3+ and Eu3+.

TL;DR: In this article, a bio-based vitrimer-like polyurethane formed by castor oil, vanillin, m-xylylenediamine and 4,4′-dicyclohexylmethane diisocyanate was presented.

TL;DR: In this paper, a holistic study pertaining to all the important electrospinning parameters is done to quantify their effects on the percentage of β-phase in the electrospun PVDF nanofibers.

TL;DR: In this article, a maleic anhydride (MA) modification of TPS was employed to improve the interfacial adhesion between TPS and PLA layers of the multilayer film.

TL;DR: A series of injectable and antibacterial hydrogels based on e-poly ( l -lysine)-modified poly (vinyl alcohol) (CPVA-g-EPL)/chitosan (CS)/Ag complexes was fabricated using oxidized dextran as a crosslinker.

TL;DR: In this paper, a biobased double functional epoxy monomer modified with organosilicon (EETS) was derived from eugenol and 1,1,3,3-tetramethyldisiloxane, and cured by 4-aminophenyl disulfide (APDS) to form the Disulfide bond dynamic epoxy EETS/APDS resins.

TL;DR: In this paper, a greatly sensitive and rapidly responsive strain sensor with wide monitoring range and self-adhesion was prepared by introducing sodium caseinate (SC) and reduced graphene oxide (rGO) into the polyacrylamide hydrogel due to ions and electrons provide two different ways of conducting electricity.

TL;DR: In this article, a direct one-pot polymerization method was developed to synthesize a series of Mn ion doped polylevodopa [P(L-DOPA)] synthetic melanin nanoparticles (Mn@SMNPs) for further transforming into small-sized hybrid carbon nanoparticles.

TL;DR: In this paper, the Bruggeman model was used to reproduce nearly the relationship between the value of dielectric constant (e) and porosity in porous polyimide (PI) thin films.

TL;DR: In this article, the effects of chainpenetration on polymer ring shape were investigated using simulations of Kremer-Grest-type bead-spring models on mixtures of ring and linear polymers, and it was shown that the number of linear chains penetrating through a ring increased with ring size.