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Dokument Nr.	200301271 (klicken Sie bitte auf die Dokumentnummer um dieses Dokument anzuzeigen)
Titel	Design and synthesis of superabsorbent polymers
Abstract	A series of novel copolymer superabsorbents based on the monomers acrylamide (AM), acrylic acid (AA), acrylonitrile, methacrylic acid, sodium acrylate (SA), and 2-hydroxyethyl methacrylate (HEMA) were prepared by copolymerization using ammonium persulfate as an initiator and N,N-methylenebisacrylamide as a crosslinking agent. The experimental results of superabsorbent polymers (SAPs) show that the absorbency in water and NaCl solutions is maximum for AM, SA, HEMA and AM, AA, SA combinations. The copolymers were characterized by IR spectroscopy. The water retention of soil was also enhanced using the above superabsorbents. Use of SAPs for the growth of the croton plant was also investigated. © 2001 John Wiley & Sons, Inc. J Appl Polym Sci 80: 2635-2639, 2001 (orig.)
Control terms engl.	ACRYLAMIDE; ACRYLIC ACID; ACRYLONITRILE; AMMONIUM COMPOUNDS; CATALYSTS; COPOLYMERIZATION; COPOLYMERS; DESIGN; HYDROXYETHYL METHACRYLATE; INITIATION; IR SPECTROSCOPY; METHACRYLIC ACID; MONOMERS; POLYACRYLAMIDE; POLYACRYLIC ACID; POLYACRYLONITRILE; POLYHYDROXYETHYL METHACRYLATE; POLYMETHACRYLIC ACID; SODIUM; SOIL CONDITIONING; SORPTION; SYNTHESIS; WATER ABSORPTION
Control terms german	ACRYLAMID; ACRYLSAEURE; ACRYLNITRIL; AMMONIUMVERBINDUNGEN; KATALYSATOREN; COPOLYMERISATION; COPOLYMERE; ENTWURF; HYDROXYETHYLMETHACRYLAT; INITIIERUNG; IR-SPEKTROSKOPIE; METHACRYLSAEURE; MONOMERE; POLYACRYLAMID; POLYACRYLSAEURE; POLYACRYLNITRIL; POLYHYDROXYETHYLMETHACRYLAT; POLYMETHACRYLSAEURE; NATRIUM; BODENVERBESSERUNG; SORPTION; SYNTHESE; WASSERAUFNAHME