Over the past several decades, formulation of novel nanofiber-based drug-delivery systems has been a frequent focus scientists around world. Aiming to introduce nanofibrous transdermal system treat pain, nanofiber mats buprenorphine-loaded poly (vinyl pyrrolidone) (Bup/PVP) and poly(vinyl alcohol)/poly(vinyl (Bup/PVP/PVA) were successfully fabricated by electrospinning process for drug delivery...

Poly(vinyl chloride) (PVC) suffers from photo-oxidation and photodegradation when exposed to harsh conditions. Application of PVC thus relies on the development ever more efficient photostabilizers. The current research reports synthesis new complexes tin their assessment as poly(vinyl three were obtained in high yields reaction 4-(benzylideneamino)benzenesulfonamide chlorides. Their structures...

Semicrystalline films of poly(vinyl alcohol) (PVA) were prepared by annealing amorphous PVA films at temperatures above the glass transition temperature of 85°C, thus allowing the macromolecules to form crystallites, which stabilized the films and made them behave as if they were chemically cross-linked. Films were prepared by casting a 15% aqueous PVA solution onto glass slides and annealing t...

Inspired by the repair of DNA through efficient reformation of hydrogen bonds (H-bonds), herein we report a facile one-step approach to construction of self-healing antifogging thin films on the basis of partly cross-linked poly(vinyl alcohol)(PVA) and poly(acrylic acid)(PAA). By designing the molar ratio of hydroxyl groups to carboxyl groups, the cross-linked polymer thin films maintain abunda...

The sol–gel transition and the mechanical properties of a supramolecular poly(vinyl alcohol)–iodine complex can be tuned in time thanks to an “iodine clock”.

The production of open-cell (OC) nanostructures in polymer foams without non-foamed solid skins by gas dissolution foaming has been developed this work. First, several grades MAM block copolymer (methyl methacrylate-b-butyl acrylate-b-methyl methacrylate) at high content are employed as heterogeneous phase poly(methyl for producing OC structures. Atomic force microscopy and extensional rheology...

Here, we present superhydrophobic, hierarchical, and nanostructured cryogels made from cellulose nanofibers (CNFs) nanocrystals (CNCs), double cross-linked with MXene nanosheets poly(vinyl alcohol) (PVA) in the presence of tetradecylamine.

In this study, nanofibers with different ratios of poly(vinyl alcohol) and chitosan incorporated moxifloxacin hydrochloride (MH/PVA/CS) were fabricated through the blending electrospinning, morphological features tested using scanning electron microscopy (SEM). Further characterization new nanofiber was accomplished by Thermogravimetric analysis (TG), X-ray diffraction (XRD) Fourier-transform i...

In the present study, poly(ethylene-co-vinyl alcohol) with 44 mol % ethylene content (EVOH44) was managed to be processed, for first time, by electrospinning assisted coaxial technology of solvent jacket. addition this, different suspensions cellulose nanocrystals (CNCs), contents ranging from 0.1 1.0 wt %, were also electrospun obtain hybrid bio-/non-bio nanocomposites. The resultant fiber mat...