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author:

黄金阳 (黄金阳.) [1] | 刘明华 (刘明华.) [2] | 陈国奋 (陈国奋.) [3]

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CQVIP CSCD

Abstract:

分别以硝酸铈铵、过硫酸钾和过硫酸钾/亚硫酸钠为引发剂,以马尾松漂白硫酸盐浆纸浆纤维素为骨架接枝丙烯酰胺,在单体浓度为0.75mol/L、温度为45℃、反应时间为3h时,得到硝酸铈铵和过硫酸钾的最佳浓度为3.0mmol/L和5.0mmol/L,过硫酸钾/亚硫酸钠在用量为6%时的最佳质量比为1.5,三者相应的接枝率分别为40%、48%和60%。同时比较了不同条件下三种引发剂的接枝效果,结果表明,过硫酸钾/亚硫酸钠的接枝效果最好,但均聚物含量高;硝酸铈铵作为引发剂虽然接枝效果不及前两者,但均聚物含量很低。

Keyword:

丙烯酰胺 共聚 引发剂 接枝 纤维素

Community:

  • [ 1 ] 福州大学环境与资源学院,福建福州350108

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Source :

纤维素科学与技术

ISSN: 1004-8405

Year: 2008

Issue: 1

Volume: 16

Page: 29-33

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 4

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