Polyoxazoline polymers with methyl (PMOZ), ethyl (PEOZ), and propyl (PPOZ) side chains were prepared by the living cationic polymerization method purified ion-exchange chromatography. The following properties of polyoxazoline (POZ) measured: apparent hydrodynamic radius aqueous size-exclusion chromatography, relative lipophilicity reverse-phase viscosity cone–plate viscometry. PEOZ different molecular weights first functionalized then conjugated to model biomolecules such as bovine serum...

Poly(2-alkyl/aryl-2-oxazoline)–polyethylenimine (POZ–PEI) copolymers resulting from the partial hydrolysis of poly(2-alkyl/aryl-2-oxazoline)s (POZs) offer highly tunable properties. The amine groups on PEI units are suitable for a range postpolymerization modifications such as ring-opening epoxides, acylation, and coupling. reactivity these amines can be controlled by altering available structural variables copolymer. This makes promising candidates thermal latent curing agents (TLCs)...

Abstract New methacrylate monomers containing pendant quaternary ammonium moieties based on 1,4‐diazabicyclo‐[2.2.2]‐octane (DABCO) were synthesized. The DABCO group contains either a butyl or hexyl comprising the hydrophobic segment of and one tether to moiety. homopolymerized in water by using 2,2′‐azobis(2‐methylpropionamide) dihydrochloride (V‐50) as an initiator. polymers characterized elemental analysis, thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), FTIR,...

Abstract New water‐soluble methacrylate polymers with pendant quaternary ammonium (QA) groups were synthesized and used as antibacterial materials. The QA obtained by the reaction of alkyl halide a previously functional homopolymer various tertiary amines containing 12‐, 14‐, or 16‐carbon chains. structures polymer confirmed Fourier transform infrared 1 H 13 C NMR. degree conversion halides to sites in each was determined NMR be over 90% all cases. number‐average molecular weight...

ABSTRACT Currently available dopaminergic drugs such as levodopa and dopamine (DA) receptor agonists impart considerable improvement in Parkinson's disease (PD) motor symptoms but often lead to significant complications including “wearing‐ off ” dyskinesia. Such are believed stem from the pulsatile nature of stimulation with these agents. Continuous drug delivery using polyoxazoline (POZ) polymer conjugation may improve symptoms, while avoiding development side effects. The purposes current...

A novel methacrylate monomer containing a quinolone moiety was synthesized and homopolymerized in N,N-dimethylformamide (DMF) by using azobisisobutyronitrile (AIBN) as an initiator. The new copolymerized with poly(ethylene glycol) methyl ether (MPEGMA) DMF the same monomer, homopolymer, copolymer were characterized elemental analysis, thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), size exclusion chromatography (SEC), FTIR, (13)C NMR, (1)H NMR. antibacterial...

One-component epoxy resins (OCERs) with improved stability (shelf life) and controlled curing temperatures were prepared using polyoxazoline-imidazole (POZ-Im) based thermal latent agents (TLCs). POZ homopolymers molar masses of 1000, 2000, 5000 g/mol obtained via cationic ring-opening polymerization (CROP) 2-ethyl-2-oxazoline, 2-propyl-2-oxazoline, 2-pentyl-2-oxazoline, 2-phenyl-2-oxazoline. TLCs by physically entrapping imidazole, the agent, in matrix at homopolymer/Im (HP/Im) ratios 1:1...

Abstract Baby diapers, adult incontinence products, feminine hygiene items, and wet wipes are extensively utilized nonwoven products. The properties of nonwovens significantly influenced by surface treatments. These treatments impart hydrophilicity, hydrophobicity, skincare benefits, adhesion reduction, odor control, enzymatic inhibition, pH probiotics, prebiotics, controlled release active agents, antimicrobial activity, all which enhance the performance user experience these This study...

Abstract The widespread use of environmentally friendly medium‐density fiberboard (MDF) panels as a wood composites is driven by their versatility, affordability, and durability. However, reliance on traditional preservatives modifications raises significant environmental, health, cost concerns due to harmful chemicals. To address this, we present one‐step nitric acid steam oxidative modification fibers directly introduce carboxylic groups the surface eliminate need for catalysts, organic...

Abstract The utilization of polyoxazolines (POZs) in different fields can be more vigorously explored to take advantage their unique properties, such as chemical stability, straightforward synthesis, and the versatility structure functionalities. This paper aims investigate structure‐property relationship several POZ homopolymers before intended use formulation thermoset resins composite manufacturing. For this goal, poly(2‐alkyl/aryl‐2‐oxazoline) with three molar masses (1000, 2000, 5000...

A new methacrylamide monomer (MAMP) containing a pyridine moiety was synthesized by reacting methacrylic anhydride and 3-(aminomethyl) pyridine. The homopolymerized in 1,4-dioxane copolymerized with N-isopropyl acrylamide DMF at two different compositions using AIBN as an initiator. groups of the homopolymer copolymers were reacted various bromoalkanes 12, 14, 16 carbon alkyl chains to obtain polymers pendant pyridinium groups. characterized elemental analysis, NMR, FTIR, SEC, TGA, DSC....

One-component epoxy resins (OCERs) are proposed to overcome the energy inefficiency and processing difficulties of conventional two-component by employing latent curing agents, specifically thermal agents (TLCs). Despite recent progress, need for TLCs with a simple preparation method different resins, process conditions remains. Here, tailorable were prepared forming complexes between imidazole (Im) amphiphilic polyoxazoline copolymers tunable structures properties solvent evaporation...

Enhancing interfacial interactions in fiber-reinforced polymer composites (FRPCs) is crucial for improving their mechanical properties. This can be achieved through the incorporation of nanomaterials or chemically functional agents into FRPCs. study reports tailoring fiber–matrix interface FRPCs using non-functionalized graphene nanoplatelets (GNPs) combination with a waterborne, highly branched, multi-functional polyurethane dispersion (HBPUD). A unique ultrasonic spray deposition technique...

Abstract Graphene oxide (GO) is modified with poly(2‐ethyl‐2‐oxazoline) (PEOZ) and poly[(2‐ethyl‐2‐oxazoline‐co‐(ethylenimine)] (PEOZ‐PEI) to enhance its dispersibility in water epoxy resin. PEOZ a terminal primary amine POZ‐PEI multiple backbone secondary amines are synthesized scalable methods characterized by nuclear magnetic resonance (NMR), Fourier transform infrared (FTIR), gel permeation chromatography (GPC). GO modifications performed at room temperature 90°C with/without...

Abstract New monomers and polymers with amine quaternary ammonium groups on the side chain were synthesized. The first series of derivatives 3-(acryloyloxy)-2-hydroxypropyl methacrylate (AHM). Hydroxylated secondary tertiary prepared by reaction AHM various amines. One was quaternized bromohexane to give a monomer. A second based acrylamide methacrylamide derivatives. acrylamide/methacrylamide synthesized alkyl halides. All homo-polymerized co-polymerized 2-hydroxyethylmethacrylate (HEMA)....

This study investigates the formulation and curing behavior of a one-component epoxy resin (OCER). The OCER was formulated using phenylurea propyl imidazole (PUPI) as thermal latent agent diglycidylether bisphenol A (DGEBA). PUPI synthesized by reacting phenyl isocyanate with 1-(3-aminopropyl)imidazole characterized

Poly(2-oxazoline)s (POZs) are widely investigated for their applications in various fields due to unique properties. To exploit and combine different characteristics of the POZ family, 2-oxazoline monomers can be copolymerized prepare tailor-made copolymers with desired glass transition temperature (Tg), melting (Tm), amphiphilicity, functionality. Here, we report synthesis characterization a range produced, thereof. 2-Propyl-2-oxazoline (PrOZ) 2-pentyl-2-oxazoline (PeOZ) were synthesized by...