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pH-Responsive Carboxymethylcellulose-g-Poly(sodium acrylate)/Polyvinylpyrrolidone Semi-IPN Hydrogels with Enhanced Responsive and Swelling Properties
carboxymethyl cellulose polyvinylpyrrolidone semi-interpenetrated polymer network superabsorbent hydrogel pH-responsive
2011/12/13
Novel pH-responsive semi-interpenetrated polymer network (semi-IPN) superabsorbent hydrogels were prepared by the radical graft polymerization of carboxymethylcellulose (CMC) and partially neutralized...
Synthesis and swelling properties of pH-sensitive semi-IPN superabsorbent hydrogels based on sodium alginate-g-poly(sodium acrylate) and polyvinylpyrrolidone
Superabsorbent hydrogel Polyvinylpyrrolidone Sodium alginate Semi-interpenetrating polymer network Swelling
2011/12/14
A pH-sensitive semi-interpenetrating polymer network (semi-IPN) superabsorbent hydrogel composed of sodium alginate-g-poly(sodium acrylate) (NaAlg-g-PNaA) network and linear polyvinylpyrrolidone (PVP)...
Direct Iodination of Aromatic Compounds with Polyvinylpyrrolidone Supported Hydrogen Peroxide (PVP-H2O2) and Potassium Iodide or Molecular Iodine
iodinated aromatic compounds iodination hydrogen peroxide supported reagents
2007/12/19
摘要 Hydrogen peroxide was supported on polyvinylpyrrolidone to afford a stable and mild oxidizing reagent. Activated aromatic compounds were reacted with PVP-H2O2 in the presence of KI or I2 and a cata...