Pre-irradiation induced graft copolymerization of MCC powder with acrylamide

CHEN Qun; ZHENG Yifeng; CAO Changqing; WANG Min; WANG Yonghui

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Pre-irradiation induced graft copolymerization of MCC powder with acrylamide

更新时间：2023-03-30

- Pre-irradiation induced graft copolymerization of MCC powder with acrylamide
- Journal of Radiation Research and Radiation Processing Vol. 28, Issue 6, Pages: 329-332(2010)
- 作者机构：
  
  1.东华大学环境科学与工程学院环境工程系　上海　201600
  2.中国科学院上海应用物理研究所　上海　201800
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CHEN Qun, ZHENG Yifeng, CAO Changqing, et al. Pre-irradiation induced graft copolymerization of MCC powder with acrylamide. [J]. Journal of Radiation Research and Radiation Processing 28(6):329-332(2010)
DOI：

CHEN Qun, ZHENG Yifeng, CAO Changqing, et al. Pre-irradiation induced graft copolymerization of MCC powder with acrylamide. [J]. Journal of Radiation Research and Radiation Processing 28(6):329-332(2010) DOI：

摘要

利用,60,Co γ辐射，以预辐照接枝技术制备出纤维素-丙烯酰胺接枝共聚物。研究了各种反应条件对丙烯酰胺接枝率和单体利用率的影响规律，利用傅里叶红外光谱对接枝产物进行了表征。结果表明，当反应时间3 h，辐照剂量35 kGy，反应温度40℃，微晶纤维素（Microcrystalline cellulose，MCC）与接枝丙烯酰胺（Acrylamide，AM）质量配比为0.5∶1，六水合硫酸亚铁铵（阻聚剂）添加量为AM质量的0.01%，AM单体浓度为5%时，可得到接枝率和单体利用率均达65%以上的接枝产物。

Abstract

Microcrystalline cellulose-graft-Acrylamide (MCC-g-AM) was synthesized by ,60,Co γ-rays pre-irradiation method. The effects of various reaction conditions on the grafting degree and the utilization ratio of acrylamide were studied. The structures of the grafted copolymers were characterized by Fourier transform infrared spectroscopy (FT-IR). The highest grafting degree and utilization ratio of acrylamide were more than 65%, which was obtained at reaction time of 3 h, pre-absorbed dose of 35 kGy, reaction temperature of 40℃, MCC/AM mass ratio of 0.5:1, Fe(NH,4,),2,(SO,4,),2,·6H,2,O/AM mass ratio of 0.01%, and AM monomer concentration of 5%.

关键词

微晶纤维素丙烯酰胺预辐射接枝

Keywords

Microcrystalline cellulose (MCC)AcrylamidePre-irradiation graft

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