Study on Preparation of Chelating Agent by Urea Modification

Xiao-hua GU; Shi-jing ZHOU; Xiao-hua ZHANG; Fu LI; Dong-bo XIA

doi:10.14028/j.cnki.1003-3726.2017.03.007

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Study on Preparation of Chelating Agent by Urea Modification

更新时间：2022-09-06

- Study on Preparation of Chelating Agent by Urea Modification
- Polymer Bulletin Vol. 30, Issue 3, Pages: 48-55(2017)
- 作者机构：
  
  1.齐齐哈尔大学材料科学与工程学院，齐齐哈尔 161006
  2.大庆油田建设集团庆升实业公司，大庆 163712
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2017.03.007
  CLC：
- Published：01 March 2017，
  
  Received：09 October 2016，
  
  Revised：10 December 2016，
扫描看全文
Xiao-hua GU, Shi-jing ZHOU, Xiao-hua ZHANG, Fu LI, Dong-bo XIA. Study on Preparation of Chelating Agent by Urea Modification. [J]. Polymer Bulletin 30(3):48-55(2017)
DOI：

Xiao-hua GU, Shi-jing ZHOU, Xiao-hua ZHANG, Fu LI, Dong-bo XIA. Study on Preparation of Chelating Agent by Urea Modification. [J]. Polymer Bulletin 30(3):48-55(2017) DOI： 10.14028/j.cnki.1003-3726.2017.03.007.

摘要

以玉米淀粉为原料，分别制备交联淀粉、醚化淀粉、胺基淀粉和DTC改性淀粉，并对四种改性淀粉的最佳制备条件进行了研究。通过对各样品进行FTIR和SEM分析，并对DTC改性淀粉进行了CuSO

溶液螯合实验。FTIR和SEM分析均表明，淀粉改性成功，且通过螯合实验分析可知，在中性CuSO

溶液中，螯合性能随DTC改性淀粉硫含量的增加而增加；在不同pH的CuSO

溶液中对螯合性能进行比较，当pH=11，硫含量为1.54%（wt），DTC改性淀粉用量为0.10g时，螯合性能达到最高值500.9mg/g。

Abstract

In this paper

we used corn starch as raw material

and tnen preparation the crosslinked starch

tne etherified starch

the amino starch and the DTC modified starch

then study the best preparation conditions of the four kinds of starch. The FTIR and SEM analysis were carried out on all of this samples. Analyze DTC modified starch by sulfur element analysis and conducted the chelating CuSO

solution experiments.The FTIR and SEM analysis showed that the starch was modified successfully

in neutral CuSO

solution

the chelating properties increased with the increase of the sulfur content of DTC modified starch

then compared chelating propertie in different CuSO4 of pH solution

when pH=11

sulfur content of 1.54% (WT) of the DTC modified starch dosage of 0.10g

the chelating properties reached the highest value of 500.9mg/g.

关键词

玉米淀粉重金属螯合剂螯合性能

Keywords

Corn starchHeavy metalChelating agentsChelating propertie

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