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Synthesis, characterization, and swelling behaviors of chitosan-g-poly(acrylic acid)/poly(vinyl alcohol) semi-IPN superabsorbent hydrogels
superabsorbent semi-IPN chitosan poly(vinyl alcohol) swelling
2011/12/13
A series of granulated semi-interpenetrating polymer network (semi-IPN) superabsorbent hydrogels composed of chitosan-g-poly(acrylic acid) (CTS-g-PAA) and poly(vinyl alcohol) (PVA) were prepared by so...
Polyvinyl Alcohol-Clay Complexes Formed by Direct Synthesis
Clays Direct Synthesis Hectorite Hydrothermal Crystallization Polymer Clays Polyvinyl Alcohol PVA
2011/12/27
Abstract: Synthetic hectorite clay minerals were hydrothermally crystallized with direct incorporation of a series of five water-soluble polyvinyl alcohols (PVA) of molecular weights from 9000–146,000...
Preparation of Delaminated Clay Having a Narrow Micropore Distribution in the Presence of Hydroxyaluminum Cations and Polyvinyl Alcohol
Delaminated clay Hydroxy aluminum Montmorillonite Ordering Pillaring Polyvinyl alcohol Pore size Surface area
2012/1/9
The pillaring of Na-montmorillonite with cationic oligomers of hydroxyaluminum (COHA) in the presence of an aqueous solution of polyvinyl alcohol resulted in the formation of a clay having a large sur...
Grinding of Chrysotile in Hydrocarbons, Alcohol, and Water
Amorphization Asbestos Chrysotile Defiberization Grinding Morphology
2012/2/8
The change of the properties of chrysotile after ball milling in organic liquids (aromatics, alcohols, silicone oils) or water was studied by gas adsorption, electron microscopy, X-ray powder diffract...
Alcohol-Water Interactions on Montmorillonite Surfaces. I. Ethanol
Alcohol-Water Interactions Montmorillonite Surfaces
2011/11/16
Abstract: Infrared spectroscopic, X-ray diffraction and gravimetric techniques were used so study the vapor phase adsorption of ethanol on homoionic Cu-, Al-, Ca,, Na-, and NH4-montmorillonite films. ...