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[1]严海晨,李延报.分散聚合原位制备聚苯乙烯/氧化石墨烯复合微球[J].南京工业大学学报(自然科学版),2019,41(02):135-140.[doi:10.3969/j.issn.1671-7627.2019.02.001]
 YAN Haichen,LI Yanbao.Situ preparation of polystyrene/graphene composite microspheres by the dispersion polymerization[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2019,41(02):135-140.[doi:10.3969/j.issn.1671-7627.2019.02.001]
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分散聚合原位制备聚苯乙烯/氧化石墨烯复合微球()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
41
期数:
2019年02期
页码:
135-140
栏目:
出版日期:
2019-03-19

文章信息/Info

Title:
Situ preparation of polystyrene/graphene composite microspheres by the dispersion polymerization
文章编号:
1671-7627(2019)02-0135-06
作者:
严海晨李延报
南京工业大学 材料科学与工程学院, 江苏 南京 210009
Author(s):
YAN HaichenLI Yanbao
College of Materials Science and Engineering,Nanjing Tech University,Nanjing 210009,China
关键词:
分散聚合 聚苯乙烯 氧化石墨烯 复合微球
Keywords:
dispersed polymerization polystyrene graphene oxide composite microspheres
分类号:
O632.1
DOI:
10.3969/j.issn.1671-7627.2019.02.001
文献标志码:
A
摘要:
为获得粒径分布较窄的聚苯乙烯/氧化石墨烯(PS/GO)复合微球,以偶氮二异丁腈(AIBN)为引发剂、聚乙烯吡咯烷酮(PVP)为分散剂,在乙醇-水混合分散介质中进行苯乙烯的分散聚合。研究醇水质量比、GO的添加时间和GO的添加量对复合微球形貌和粒径分布的影响。采用傅里叶变换红外光谱(FT-IR)、原子力显微镜(AFM)、冷场发射扫描电子显微镜(FESEM)、X线衍射仪(XRD)、差示扫描量热法(DSC)和黏度法表征复合微球的微观结构、相互作用力与分子量。结果表明:粒径为0.78~1.15 μm的PS/GO复合微球呈单分散; GO片层与PS链段之间存在较强的相互作用; 微球的分子量和产率都随着GO添加量的增大先增大后减小。
Abstract:
Polystyrene/graphene oxide(PS/GO)composite microspheres with narrow size distributions were prepared by the dispersion polymerization using azodiisobutyronitrile(AIBN)and polyvinylpyrrolidone(PVP)as the initiator and stabilizer respectively.Effects of the addition time and adding amount of GO and the ratio of alcohol/water on the morphology,particle size distribution and molecular weight of composite microspheres were investigated with Fourier transform infrared spectroscopy(FT-IR),atomic force microscopy(AFM),cold field emission scanning electron microscopy(FESEM),X-ray diffraction(XRD),and differential scanning calorimetry(DSC).Results showed that the average particle size of the monodisperse PS/GO composite microspheres were 0.78-1.15 μm with a standard deviation less than 0.1 μm.There was a strong interaction between GO sheets and PS segments.The molecular weight and yield of the microspheres increased first and then decreased with the increase of the adding amount of GO.

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备注/Memo

备注/Memo:
收稿日期:2017-04-07
基金项目:江苏省自然科学基金(BK2011076)
作者简介:严海晨(1992—),女,E-mail:15951821592@qq.com; 李延报(联系人),副教授,E-mail:lyanbao@163.com.
引用本文:严海晨,李延报.分散聚合原位制备聚苯乙烯/氧化石墨烯复合微球[J].南京工业大学学报(自然科学版),2019,41(2):135-140..
更新日期/Last Update: 2019-03-31