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This Special Issue focuses on the current state-of-the-art of “Polymer Clay Nano-Composites” for biomedical, anticorrosion, antibacterial, and other applications. Clay–polymer composite nanomaterials represent an emerging area of research. Loading polymers with clay particles essentially enhances the composite strength features. Of particular interest are different nano-assembly methods, such as silane mono and multilayers, polyelectrolyte layer-by-layer assembly, and others. An important development was reached for tubular and fibrous clay nanoparticles, such as halloysite, sepiolite, and imogolite. Polymer clay nanoparticles can be prepared as sheets with 1-nm thickness and width of a few hundred nm (e.g., kaolin and montmorillonite). Fibrous clays significantly reinforce the nano-composites in the assembly with biopolymers and other green polymers, leading to functional hybrid bio nano-composites. The scope of this Special Issue comprehensively includes the synthesis and characterization of polymer clay nano-composites used for several applications, including nano-clay polymer composites and hybrid nano-assemblies.
graphene oxide --- n/a --- polysaccharide --- water resistance --- nanocomposites --- layered silicate --- polyimide --- intercalation --- barrier --- composite --- indentation recovery --- ionic network --- organically modified clays --- nanotechnology --- 2-polybutadiene --- doxorubicin --- sericite --- adsorption --- morphology --- phenyltrimethylammonium chloride --- supercritical CO2 --- blowing agent --- halloysite nanotubes --- mechanical properties --- glycerol --- ammonium persulfate --- TGA --- 1 --- interfacial interactions --- carbon fibers --- nanocomposite materials --- silica sol --- N?-methylenebisacrylamide --- intercalation stability --- polymer composites --- clay–polymer nanocomposites --- in-situ intercalation --- attapulgite/polypyrrole nanocomposite --- fish gelatin --- polyacrylic acid --- fuzzy optimization --- AFM --- variable cost --- organic montmorillonite --- positron annihilation --- whey protein isolate --- interface --- CTAB --- N --- hyaluronic acid --- swelling capacity --- water shutoff --- montmorillonite --- sol–gel transition --- in situ polymerization --- hexadecyltrimethylammonium bromide --- clay-amine interaction mechanisms --- gelation kinetics --- FTIR --- surface grafting --- Pareto set --- la uptake and release --- polyamines --- polystyrene foam --- CD44 receptor targeted --- tribological property --- polyethylene oxide --- structure effects --- catalytic composite --- polystyrene --- nanoclay --- thermal stability --- sacrificial bond --- Pd catalysis --- radical polymerization --- dental resins --- reinforcing --- montmorillonite clays --- coatings --- atrazine --- cellulose nanofibrils --- soap-free emulsion polymerization --- LAP --- doubly functionalized montmorillonite --- dispersion --- organo-clays --- clay-polymer nanocomposites --- sol-gel transition
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The amide bond represents a privileged motif in chemistry. The recent years have witnessed an explosion of interest in the development of new chemical transformations of amides. These developments cover an impressive range of catalytic N–C bond activation in electrophilic, Lewis acid, radical, and nucleophilic reaction pathways, among other transformations. Equally relevant are structural and theoretical studies that provide the basis for chemoselective manipulation of amidic resonance. This monograph on amide bonds offers a broad survey of recent advances in activation of amides and addresses various approaches in the field.
N-heterocyclic carbene --- non planar amide --- ruthenium (Ru) --- physical organic chemistry --- gemcitabine prodrug --- pyramidal amides --- bridged sultams --- catalysis --- dipeptides --- N-(1-naphthyl)acetamide --- C-N ? bond cleavage --- steric effects --- peptide bond cleavage --- transition-metal-free --- palladium --- N-heterocyclic carbenes (NHCs) --- addition reaction --- C–O activation --- rhodium --- metal complexes --- carbanions --- thioamidation --- amide bond --- intramolecular catalysis --- antiviral activity --- additivity principle --- pre-catalysts --- C–N bond cleavage --- bridged lactams --- C–H acidity --- arynes --- twisted amides --- organic synthesis --- amination --- Suzuki-Miyaura --- tert-butyl --- cyclopentadienyl complexes --- C-S formation --- enzymes --- DFT study --- sulfonamide bond --- N --- HERON reaction --- primaquine --- entropy --- amide activation --- amidation --- synthesis --- amide hydrolysis --- carbonylicity --- amide bond activation --- amide bond resonance --- aminosulfonylation --- molecular dynamics --- model compound --- in situ --- amide --- homogeneous catalysis --- heterocycles --- anomeric effect --- multi-component coupling reaction --- kinetic --- excited state --- C–H bond cleavage --- palladium catalysis --- amides --- thiourea --- formylation --- alkynes --- cis/trans isomerization --- amide C–N bond activation --- intein --- C-H functionalization --- succindiamide --- amide bonds --- crown ether --- aminoacylation --- directing groups --- cytostatic activity --- reaction thermodynamics --- acyl transfer --- transition metals --- N-dimethylformamide --- DMAc --- acylative cross-coupling --- C-H/C-N activation --- nickel catalysis --- antibacterial screening --- sodium --- aryl thioamides --- Winkler-Dunitz parameters --- catalyst --- N-dimethylacetamide --- base-catalyed hydrolysis --- nitrogen heterocycles --- cross-coupling --- insertion --- amidicity --- nitro-aci tautomerism --- activation --- carbonylation --- transamidation --- amine --- distortion --- Pd-catalysis --- rotational barrier energy --- hypersensitivity --- N–C activation --- metabolic stability --- [2+2+2] annulation --- twisted amide --- protease --- cyanation --- amide resonance --- trialkylborane --- catalysts --- biofilm eradication --- pharmacokinetics --- pancreatic cancer cells --- DMF --- aryl esters --- Michael acceptor --- fumardiamide --- water solvation --- ester bond activation --- cyclization --- nuclear magnetic resonance --- secondary amides --- reaction mechanism --- density functional theory --- density-functional theory --- amino acid transporters
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