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Citation: HU Chun-Hong, LÜ Tong, ZHANG Yuan. Macromolecule Chelator Synthesized from Ethylene Diamine and Methyl Acrylate Grafted Starch[J]. Chinese Journal of Applied Chemistry, ;2007, 24(6): 716-719. shu

Macromolecule Chelator Synthesized from Ethylene Diamine and Methyl Acrylate Grafted Starch

1.
Tianjin Polytechnic University, College of Material Science and Chemical Engineering, Tianjin 300160

Corresponding author: HU Chun-Hong,
Received Date: 15 July 2006
Available Online: 15 September 2006

A chelating starch containing multiple amidocyanogen and acyl groups was synthsized from starch grafted with methyl acrylate and ethylene diamine.The grafting degree and grafting efficiency for the grafted starch (SMA) were 44.14% and 18.42% respectively.The nitrogen content of the chelating starch determined by micro-Kjeldahl method was 2.86%.The structure of the chelating starch was determined by FTIR.This chelating starch was used to chelate copper (Ⅱ) and argentum (Ⅰ) ions,and thermal gravity analysis was used to determine the mass loss of the chelated starch before and after adsorption of the metal ions to estimate the adsorption capacities,which were 3.328 mmol/g and 1.667 mmol/g for Cu²⁺ and Ag⁺,respectively.
- ethylene diamine,
- chelate,
- metal,
- thermal gravity analysis
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