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Viscosity Dependence of the Rotational Reorientation of Rhodamine B in Mono- and Poly-alcohols
Viscosity Dependence Rotational Reorientation Rhodamine B Mono-and Poly-alcohols
2016/5/20
Rotational reorientationtimes (TROT)were obtained for rhodamine B in a series of n-alcoholsand polyalcohols of varying viscositiesby a transient grating technique. The general trend of the Debye-Stoke...
Synthesis and properties of new optically active and organosoluble poly(ester-imide)s containing L-valine moieties in the main chain by direct polycondensation reaction
Poly(ester-imide)s direct polycondensation optically active polymers thermal properties
2011/4/6
New optically active poly(ester-imide)s (PEIs) containing bicyclo[2,2,2]oct-7-ene-2,3,5,6-tetracarboxylic diimide in the main chain were prepared by the reaction of N,N'-(bicyclo[2,2,2]oct-7- ene-2,3,...
通过Hofmann降解反应制备对铜离子(Cu2+ ) 具有高效吸附作用的两性聚合物—聚(丙烯酰胺／2-丙烯酰胺基-2-甲基丙磺酸／乙烯胺)(Poly(AM／AMPS／VAm))。首先以AM和AMPS为单体,通过反相乳液聚合法制备了Poly(AM／AMPS) 反相乳液,然后在反相乳液中通过Hofmann降解反应将Poly(AM／AMPS) 的部分酰胺基转变为氨基,得到两性聚合物Poly(AM／AMP...
Synthesis and super-swelling behavior of a novel low salt-sensitive protein-based superabsorbent hydrogel: collagen-g-poly(AMPS)
Collagen hydrogel swelling 2-acrylamido-2-methylpropanesulfonic acid
2010/12/3
Superabsorbent polymers are obtained by the graft copolymerization of 2-acrylamido-2-methylpropanesul- fonic acid (AMPS) monomer onto collagen, using ammonium persulfate as a free radical initiator in...
Synthesis and super-swelling behavior of a novel low salt-sensitive protein-based superabsorbent hydrogel: collagen-g-poly(AMPS)
Collagen hydrogel swelling 2-acrylamido-2-methylpropanesulfonic acid
2010/10/19
Superabsorbent polymers are obtained by the graft copolymerization of 2-acrylamido-2-methylpropanesulfonic acid (AMPS) monomer onto collagen, using ammonium persulfate as a free radical initiator in t...
Retention Behavior on Aminoethyl-modified Poly(p-phenylene terephthalamide) Fiber Stationary Phases in Gas Chromatography
Retention Behavior Aminoethyl-modified Poly(p-phenylene terephthalamide)
2010/9/17
Surface derivatization of Kevlar, poly(p-phenylene terephthalamide), fiber has been studied along with the evaluation of the surface characteristics of the chemically-modified fiber as the stationary ...
Multifunctional Separation Mechanism on Poly(oxyethylene) Stationary Phases in Capillary Liquid Chromatography
Multifunctional Separation Mechanism Capillary Liquid Chromatography
2010/9/17
The retention behavior on poly(oxyethylene) (POE) chemically-bonded stationary phases was investigated in ion-exchange, reversed-phase (RP) and hydrophilic interaction (HILIC) modes in capillary liqui...
Separation of Optical Isomers in Capillary Chromatography Using a Poly(tetrafluoroethylene) Capillary Tube and an Aqueous–Organic Mixture Carrier Solution
Separation Optical Isomers in Capillary Chromatography tetrafluoroethylene
2010/9/13
Capillary chromatography for the separation of optical isomers was developed using an untreated poly(tetrafluoroethylene) capillary tube and a water–hydrophilic/hydrophobic organic solvent mixture as ...
Influence of AlCl3 on the optical properties of new synthesized 3-armed poly(methyl methacrylate) films
Optical constants optical band gap dispersion parameters thin films ATRP PMMA
2010/10/14
Three-armed poly(methyl methacrylate)[PMMA] was synthesized by atom transfer radical polymerization at 100 °C using benzene-1,3,5-triyl tris(4-(bromomethyl) benzoate as 3-armed initiator and a cuprous...
Enantiomeric Separation by Capillary Electrochromatography on a Sulfated Poly β-Cyclodextrin Modified Silica-based Monolith
Enantiomeric Separation Capillary Electrochromatography Sulfated Poly β-Cyclodextrin
2010/9/17
A sulfated poly β-cyclodextrin (SPCD) modified silica-based monolithic column was prepared for enantiomeric separation. First, 2-hydroxy-3-allyloxy-propyl-β-cyclodextrin (allyl-β-CD) was bonded onto a...
Layer-by-layer Assembly of Prussian Blue and Carbon Nanotube Composites with Poly(diallyldimethylammonium chloride) for the Sensitive Detection of Hydrogen Peroxide
Layer-by-layer Assembly Prussian Blue Carbon Nanotube Composites Poly Hydrogen Peroxide
2010/9/20
Prussian blue (PB) was deposited on multi-walled carbon nanotubes (MWCNT) in an aqueous solution. Multi-layer composites of the MWCNT-PB hybride material were obtained by layer-by-layer assembly with...
Synthesis and Characterization of Organic-Inorganic Nanocomposite Poly-o-anisidine Sn(IV) Arsenophosphate：Its Analytical Applications as Pb(II) Ion-Selective Membrane Electrode
Poly-o-anisidine Sn inorganic hybrid materials Organic-Inorganic Nanocomposite
2009/9/4
Poly-o-anisidine Sn(IV) arsenophosphate is a newly synthesized nanocomposite material and has been characterized on the basis of its chemical composition, ion exchange capacity, TGA-DTA, FTIR, X-RAY, ...
Rapid Synthesis of New Poly(amide-imide)s Based on N-(4-Carboxy phenyl) trimellitimide and Hydantoin Derivatives under Microwave Irradiation
Thermally stable polymers icrowave irradiation Poly (amide-imide Hydantoin derivatives
2010/4/9
Six new poly (amide-imide)s (6a-f) were prepared under microwave irradiation by polycondensation reaction of diacid chloride (4) with 6 different derivatives of hydantoins (5a-f) using O-cresol as a m...
A Facile Method for the Preparation of Poly(4-vinylpyridine) Nanoparticles and their Characterization
Microgel nanogel nanoparticles nanotechnology core-shell structure biomaterials bactericidal antibiotic polymers
2010/4/9
Submicron size particles were synthesized from 4-vinylpyridine (4-VP) using an oil-in-water emulsion system. Divinyl benzene (DVB) and ethylene glycol dimethacrylate (EGDMA) were utilized as crosslink...
Synthesis and Properties of Novel Photosensitive Poly(amide-imide)s Containing Chalcone Moiety and Aromatic Diamines in the Main Chain
Chalcone moiety poly(amid-imide)s 4,4'-diamino chalcone 1,3-bis[4,4'-bis(trimellityimido) phenyl]-2-propenone
2010/4/13
Six new poly(amide-imide)s were synthesized by the polycondensation reaction of 1,3-bis[4,4'-bis(trimellityimido) phenyl]-2-propenone (6) with 3,3'-diamino diphenyl sulfone (7a), 4,4'-diamino diphenyl...