Effect of the mass ratio of monomers on irradiation graft copolymerization of starch and mixtures of DMDAAC and AM

TI Youzhou; LÜ Xiaohua; SONG Weiqiang; DENG Gang; GUO Zhengchao

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Effect of the mass ratio of monomers on irradiation graft copolymerization of starch and mixtures of DMDAAC and AM

更新时间：2023-03-27

- Effect of the mass ratio of monomers on irradiation graft copolymerization of starch and mixtures of DMDAAC and AM
- Journal of Radiation Research and Radiation Processing Vol. 29, Issue 6, Pages: 336-340(2011)
- 作者机构：
  
  1.河南省科学院同位素研究所有限责任公司　郑州　450015
  2.河南工业大学　郑州　450007
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TI Youzhou, LÜ Xiaohua, SONG Weiqiang, et al. Effect of the mass ratio of monomers on irradiation graft copolymerization of starch and mixtures of DMDAAC and AM. [J]. Journal of Radiation Research and Radiation Processing 29(6):336-340(2011)
DOI：

TI Youzhou, LÜ Xiaohua, SONG Weiqiang, et al. Effect of the mass ratio of monomers on irradiation graft copolymerization of starch and mixtures of DMDAAC and AM. [J]. Journal of Radiation Research and Radiation Processing 29(6):336-340(2011) DOI：

摘要

采用水溶液辐射接枝方法，保持辐照剂量不变和淀粉与单体总质量之比恒定，研究了单体重量比对接枝率的影响。结果表明，,W,AM,∶,W,DM,等于0.25、1.5和1.86时，产物阳离子化度分别为24.3%、19.4%和23.1%；在实验条件下AM能有效地促进二甲基二烯丙基氯化铵（Dimethyl dially ammonium chloride，DMDAAC）的接枝反应，DMDAAC的接枝效率在,W,AM,∶,W,DM,等于1.86时达到最大值94.4%，AM用量大时DMDAAC的接枝效率高。在所研究的单体比值范围内，两种单体总的接枝率、接枝效率及产率都随着,W,AM,：,W,DM,比值的增加而提高。

Abstract

The effect of the mass ratio of acrylamide (AM) to dimethyl dially ammonium chloride (DMDAAC) on the graft copolymerization of starch and mixtures of DMDAAC and AM was investigated at dose of 3 kGy in aqueous solution. The cationic degrees of grated products is 24.3%, 19.4% and 23.1% with 0.25, 1.5 and 1.86(,W,AM,: ,W,DM,), respectively. And the graft efficiency of DMDAAC onto starch increases with the increment of the amount of AM in mixtures and the maximum value occurs at ,W,AM,: ,W,DM,=1.86. The total graft yield, the total graft efficiency, the monomer conversion rate and the production rate increase with the amount of AM in mixtures.

关键词

辐射接枝淀粉丙烯酰胺二甲基二烯丙基氯化铵

Keywords

Radiation graftingStarchAcrylamideDimethyl dially ammonium chloride

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