2011•Liaoning Chemical IndustryRequires access
Study on Synthesis of Starch Grafting Acrylic Acid Super absorbent Resin
Yansheng Zhao
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Abstract
The super absorbent resin was synthesized by aqueous solution polymerization with starch and acrylic acid(AA) as raw materials.Influences of starch dosage,neutralization of acrylic acid,initiator dosage and crosslinking agent dosage on water absorption of the resin were investigated,the optimal polymerization conditions were obtained.The results show that when reaction temperature is 50 ℃,dosages of starch,initiator and crosslinking agent are 10%,0.7%,0.03%,respectively,the highest absorbencies of prepared composites for distilled water and saline water are 786 g/g and 79 g/g,respectively.