Showing papers in "Polymer in 2022"

TL;DR: In this paper , a gelatin-based dual-network hydrogel sensor with multiple dynamic crosslinking was successfully fabricated, in which the dynamic Schiff base bonds between gelatin and an aldehyde-containing supramolecular crosslinker (PCD-Fc-CHO) formed by the host-guest complexing of β-cyclodextrin (β-CD) to ferrocene (Fc), while the reversible borate ester bonds of PVA with borax were utilized to establish the second network.

TL;DR: In this paper , a dynamic redox system using Tara tannin and Fe 3+ combined with the Fenton reaction was built up to prepare a multifunctional conductive dual-network interpenetrating hydrogel, which was fast prepared (1-5 min), low-cost and energy saving (reaction at room temperature).

TL;DR: In this article , a dual-network conductive hydrogel was prepared by modified sodium alginate/polyvinyl alcohol/acacia mangium tannin/carbon nanotubes (SA-PBA/PVA/AMT/CNTs), which exhibited high stretchability (717%), biocompatibility, wide adhesion ability, efficient selfhealing performance (self-healing efficiency reaches 99.67%), good antibacterial property and considerable sensitivity (in the strain range of 250-525%, gauge factor reaches 8.89).

TL;DR: In this paper , the migration behavior of carbon nanotubes (CNTs) in co-continuous poly(lactic acid)/poly(ε-caprolactone) (PLA/PCL) blend was investigated via pre-compounding CNTs in one phase and controlling the mixing time.

TL;DR: In this paper , the impact of exchange coupling, crystal field and external magnetic field on the magnetic, thermodynamic behaviors and magnetocaloric effect of a ferromagnetic mixed-spin (1, 1/2) Ising polyhedral chain has been explored using Monte Carlo simulation.

TL;DR: In this paper , the potential application of graphene and its derivatives as nano filler in a variety of thermoplastic polymers is discussed, including acrylic, ABS, Nylon 6, PLA, PBI, PC, PES, POM, PEEK, PEI, PE, PPO, PPS, PP, PS, PVC, PVDF and PTFE.

TL;DR: Based on thermodynamics and phase transition, a constitutive model related to the deformation gradient and temperature for thermal-induced shape memory polymers (SMPs) was developed in this paper .

TL;DR: In this article , the effect of symmetry of polyether diols on structure-morphology-property behavior of polyurethane elastomers was investigated, showing that the increase of asymmetry in polyether chains leads to the lower degree of microphase separation and hydrogen bonding.

TL;DR: Li et al. as mentioned in this paper designed a SMASH elastomer via introducing polylactide (PLA) and disulfide bonds into the epoxidized natural rubber (ENR), providing ENR with enhanced mechanical strength and shape memory properties.

TL;DR: In this article , the photovoltaic characteristics of six modified molecules derived from benzothiadiazole core-based reference molecule JY5, using four different non-fullerene acceptors at ωB97XD/6-31G via TD-DFT approach were investigated.

TL;DR: In this article , the effect of having different hardener structure (Ortho or Para), free pending amine groups or a catalyst in the system was investigated and it was shown that the relaxation time is highly dependent on regioisomerism of the aromatic hardener, stoichiometry and presence of catalyst.

TL;DR: In this paper , a monocyclic benzoxazine is used as a platform to integrate the alkynyl and/or cyano groups and the polymerization of these compounds are studied in detail.

TL;DR: In this article , a multilayered super-hydrophobic composite with tailored mechanical properties is proposed for oil absorption applications, where silica nanoparticles (SiO2 NPs) are confined within epoxy resin (ER) layers, providing proper roughness, and an outermost low-surface-energy layer of polydimethylsiloxane (PDMS) is coated, enhancing the superhydrophobicity.

TL;DR: In this paper , a review of cellulose origin, properties, structure, modification, flame retardant based, and cellulose-based flame-retardant characterization methods is presented.

TL;DR: In this article , a designed intense stretching process was introduced to construct highly oriented and condensed shish-kebab crystalline structure for enhancing mechanical properties and in-plane thermal conductivity of HDPE/UHMWPE blends.

TL;DR: The performance, limitations, and possibilities for the practical implementation of different high-temperature proton exchange membranes (PEMs) utilized in fuel cells are discussed in this article .

TL;DR: In this paper , a novel collagen-based hydrophobic aerogel for oil/water separation is presented, which is based on all-biomass materials, combined with effective crosslinking of collagen and dialdehyde carboxymethyl cellulose (DCMC) and hydrophilic coating by naturally derived waxes.

TL;DR: In this article , in-situ FTIR results indicated that the intermolecular hydrogen bond strength of polyamide 56 α-like phase reduced during Brill transition before 200 °C upon heating.

TL;DR: In this article , two blend membranes based on poly(bis-arylimidazolium)s (i.e. Ppbim and Ptpim) and polybenzimidazole (PBI) are prepared and used as anion exchange membranes.

TL;DR: In this paper , the authors carried out a series of experiments on polyacrylamide hydrogels with a wide range of water content and revealed that the physical adhesion properties of hydrogel are related to the water content.

TL;DR: In this paper , a reactive compatibilizer (EIA) containing double bonds and epoxy groups was prepared to modify the interface between FAFD and EP, which increased the interfacial adhesion between EP and FAFD leading to increased impact and tensile strength of flame retardant EP.

TL;DR: In this article , a porous polycarbonate blend monolith with hierarchical micro-nano structure using fluorine-free and low-cost material via a simple thermally induced phase separation is successfully prepared.

TL;DR: In this article , a reprocessable polyhydroxyurethane (PHU) network composites reinforced with reactive polyhedral oligomeric silsesquioxanes (POSS) are presented.

TL;DR: In this article , a peroxidase-generating bacterial mixed culture was used for the degradation of low-density polyethylene (LDPE) films for a 12-month period.

TL;DR: In this paper , quantum chemical study of triphenyl diamine based molecules and DFT analysis of reference XSln847 and nine designed molecules to boost the efficiencies of organic solar cells and to make viable competitive solar cell.

TL;DR: In this article , the MXene-PAM/SA-Ca2+ double-network (DN) organohydrogel was prepared by a facile one-pot and two-step method.

TL;DR: In this paper , a review comprehensively presents the multifunctional talent of chitosan-supported nanocomposites in different fields, with a special focus on the remediation of environmental pollutants and contaminants of emerging concern (CECs).

TL;DR: In this article , the authors describe combinations of nine epoxies and twenty-two hardeners with fingerprints, and statistically analyze which fingerprints are most strongly correlated with each shape memory property, specifically recovery stress and shape recovery ratio.

TL;DR: In this article , a review of electrochromic conductive polymers containing fluorene in the main chain or as a subunit/core is presented, based on the arrangement of the fluorenes unit and its chemical location on the chain, polyfluorene EC homopolymers, copolymers and functional EC polymers.