|本期目录/Table of Contents|

[1]徐华,程顺成,周红军,等.毒死蜱羧甲基纤维素钠接枝聚丙烯酸酯纳米粒子水分散剂的制备与表征[J].江苏农业科学,2018,46(1):68-71.
 Xu Hua,et al.Preparation and characterization of chlorpyrifos/sodium carboxymethyl cellulose grafted copolymer nanoparticle aqueous dispersion formulation[J].Jiangsu Agricultural Sciences,2018,46(1):68-71.
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毒死蜱羧甲基纤维素钠接枝聚丙烯酸酯纳米粒子
水分散剂的制备与表征
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第46卷
期数:
2018年第1期
页码:
68-71
栏目:
植物保护
出版日期:
2018-01-05

文章信息/Info

Title:
Preparation and characterization of chlorpyrifos/sodium carboxymethyl cellulose grafted copolymer nanoparticle aqueous dispersion formulation
作者:
徐华 程顺成 周红军 周新华 林冠权 陈铧耀
仲恺农业工程学院化学化工学院,广东广州 510225
Author(s):
Xu Huaet al
关键词:
毒死蜱羧甲基纤维素钠接枝聚丙烯酸酯共聚物纳米粒子结构表征丁达尔现象粒度分布载药率纳米农药
Keywords:
-
分类号:
TQ450.6+3
DOI:
-
文献标志码:
A
摘要:
利用甲基丙烯酸甲酯和丙烯酸丁酯为混合接枝单体,采用自由基共聚方法制备羧甲基纤维素钠接枝聚丙烯酸酯共聚物(CMC-g-PAE),采用傅氏转换红外线光谱分析仪和差示扫描量热法(differential scanning calorimeter,简称DSC)对其结构进行表征。以CMC-g-PAE为载体,以毒死蜱(chlorpyrifos,简称CH)为模型农药,利用CH在载体大分子自组装形成的胶束中的增溶作用,制备CH/CMC-g-PAE纳米粒子水分散剂;采用扫描电镜、粒度分析仪、DSC对其形态结构、粒径大小及分布、农药的相态进行研究,探讨载体浓度和药物浓度对其粒径及载药率的影响。结果表明,纳米粒子呈现规则的球形,其平均粒径为200~240 nm,粒径分布较窄;毒死蜱以非晶体相存在于纳米粒子中;纳米粒子的粒径及其对药物的载药率可以通过改变CH和CMC-g-PAE溶液的浓度进行有效调控。
Abstract:
-

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-08-07
基金项目:国家自然科学基金(编号:21576303);广东省科技计划(编号:2014A020208126、2015A020209197、2015A020209185);广东省教育厅特色创新项目(编号:2015KTSCX064、2014KQNCX163)。
作者简介:徐华(1983—),男,湖北洪湖人,博士,讲师,主要从事农药缓释制剂的制备与应用等研究。E-mail:dlutxuhua@163.com。
通信作者:周新华,博士,教授,主要从事绿色精细化学品研究。E-mail:cexinhuazhou@163.com。
更新日期/Last Update: 2018-01-05