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Preparation of Super Absorbent Polymer of Cornstarch and Acrylic Acid and 2-Hydroxyethylacrylate by Graft Copolymerization

Guobo Chen

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Abstract

Synthesis of super absorbent resin by graft copolymerization of cornstarch,acrylic acid and 2-hydroxyethylacrylate were studied. The effect of ratio of Acrylic acid to starch,acrylic and to 2-hydroxyethylacrylate,dosage of cross-linking agent and initiator in total raw materials,reaction temperature,reaction time were also examined. The adsorption amount of the resin for deionizing water and 0.9% NaCl solution is 560 g·g-1 and 62 g·g-1 and it has good keeping-water property and the liquid absorption rate.

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Synthesis of super absorbent resin by graft copolymerization of cornstarch,acrylic acid and 2-hydroxyethylacrylate were studied. The effect of ratio of Acrylic acid to starch,acrylic and to 2-hydroxyethylacrylate,dosage of cross-linking agent and initiator in total raw materials,reaction temperature,reaction time were also examined. The adsorption amount of the resin for deionizing water and 0.9% NaCl solution is 560 g·g-1 and 62 g·g-1 and it has good keeping-water property and the liquid absorption rate.

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Available abstract

Synthesis of super absorbent resin by graft copolymerization of cornstarch,acrylic acid and 2-hydroxyethylacrylate were studied. The effect of ratio of Acrylic acid to starch,acrylic and to 2-hydroxyethylacrylate,dosage of cross-linking agent and initiator in total raw materials,reaction temperature,reaction time were also examined. The adsorption amount of the resin for deionizing water and 0.9% NaCl solution is 560 g·g-1 and 62 g·g-1 and it has good keeping-water property and the liquid absorption rate.

Key concepts: Acrylic acid, Copolymer, Superabsorbent polymer, Raw material, Starch, Adsorption, Acrylic resin, Absorption of water

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