Preparation of Shrimp Feed Adhesive with Urea-Dialdehyde Starch


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The starch is oxidized to dialdehyde starch by sodium periodate and condensed with urea to generate shrimp feed adhesive. The experimental result shows: Blend 38g starch to 150ml H2O, concoct 15g sodium periodate to PH 1~1.5, heat it for 2 hours within 35~40°C, flush it 4 times and filter it to obtain dialdehyde starch with 15% dialdehyde; Blend the dialdehyde starch to 200ml H2O, and stir it uniformly, concoct it to PH 8.5~9 with alkali, heat it up to 95~98°C, add 7g urea first, 30 minutes’ reaction later, add another 3g urea. After1 hour’s reaction, concoct it to PH 4~5 with acid. After 1~2 hours’ polycondensation, concoct it to PH 7~8 with alkali, and a liquid adhesive is formed. The shrimp feed could be insoluble for 2 hours in water when added 1% adhesive.



Advanced Materials Research (Volumes 233-235)

Edited by:

Zhong Cao, Lixian Sun, Xueqiang Cao, Yinghe He




H. P. Jin and B. Q. Zhou, "Preparation of Shrimp Feed Adhesive with Urea-Dialdehyde Starch", Advanced Materials Research, Vols. 233-235, pp. 1317-1321, 2011

Online since:

May 2011




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