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2009•ACTA AGRICULTURAE UNIVERSITATIS JIANGXIENSISRequires access

A Study on the Synthesis and Properties of Kaoline Combined 2-Acrylamide-2-Methyl Propyl Sulfonic Acid/Acrylic Acid Superabsorbent Resin

Lin Hu

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Abstract

A Kaoline combined superabsorbent resin was synthesized from inverse suspension polymerization,using 2-acrylamide-2-methyl propyl sulfonic acid(AMPS) and acrylic acid(AA) as copolymers,N,N'-Methylenebisacrylamide(NMBA) as cross linking agent and potassium persulfate as initiators.The optimum conditions are as follows : molar ratio of AMPS to AA is 2.2,mass ratios of Kaoline,initiator and crossling agnet are 5%~10%,0.16%~0.18% and 0.06% to AMPS and AA,the neutralization degree of AA is 90%.The results show that absorbency of the resin is about 581g/g and 91g/g in distilled water and 0.9%(wt) NaCl solution.

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What this paper is about

A Kaoline combined superabsorbent resin was synthesized from inverse suspension polymerization,using 2-acrylamide-2-methyl propyl sulfonic acid(AMPS) and acrylic acid(AA) as copolymers,N,N'-Methylenebisacrylamide(NMBA) as cross linking agent and potassium persulfate as initiators.The optimum conditions are as follows : molar ratio of AMPS to AA is 2.2,mass ratios of Kaoline,initiator and crossling agnet are 5%~10%,0.16%~0.18% and 0.06% to AMPS and AA,the neutralization degree of AA is 90%.The results show that absorbency of the resin is about 581g/g and 91g/g in distilled water and 0.9%(wt) NaCl solution.

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Available abstract

A Kaoline combined superabsorbent resin was synthesized from inverse suspension polymerization,using 2-acrylamide-2-methyl propyl sulfonic acid(AMPS) and acrylic acid(AA) as copolymers,N,N'-Methylenebisacrylamide(NMBA) as cross linking agent and potassium persulfate as initiators.The optimum conditions are as follows : molar ratio of AMPS to AA is 2.2,mass ratios of Kaoline,initiator and crossling agnet are 5%~10%,0.16%~0.18% and 0.06% to AMPS and AA,the neutralization degree of AA is 90%.The results show that absorbency of the resin is about 581g/g and 91g/g in distilled water and 0.9%(wt) NaCl solution.

Key concepts: Potassium persulfate, Sulfonic acid, Acrylic acid, Acrylamide, Distilled water, Chemistry, Nuclear chemistry, Superabsorbent polymer

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A Study on the Synthesis and Properties of Kaoline Combined 2-Acrylamide-2-Methyl Propyl Sulfonic Acid/Acrylic Acid Superabsorbent Resin — Research Paper | ScholarLens