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ZHANG Hongyan; WANG Yanli; YU Xiuhua

doi:10.11889.j.1000-3436.2015.rrj.33.030302

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更新时间：2021-12-01

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- Journal of Radiation Research and Radiation Processing Vol. 33, Issue 3, Pages: 30302-030302(2015)
- 作者机构：
  
  1. （安徽理工大学材料科学与工程学院）,淮南,232001
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- DOI：10.11889.j.1000-3436.2015.rrj.33.030302
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ZHANG Hongyan, WANG Yanli, YU Xiuhua. [J]. Journal of Radiation Research and Radiation Processing 33(3):30302-030302(2015)
DOI：

ZHANG Hongyan, WANG Yanli, YU Xiuhua. [J]. Journal of Radiation Research and Radiation Processing 33(3):30302-030302(2015) DOI： 10.11889.j.1000-3436.2015.rrj.33.030302.

摘要

采用原子转移自由基聚合法制备mPEG-b-PDMAEMA全亲水性嵌段共聚物，以此共聚物为基体，水为介质，硝酸银为前躯体，微波辐射快速制备聚合物基纳米银复合材料。红外光谱和核磁共振表征结果表明原子转移自由基聚合法制备出目标共聚物；紫外光谱和X-射线衍射光谱则表明，在微波辐射作用下，银离子被还原成面心立方结构的纳米银；透射电镜结果表明纳米银附着在共聚物的表面，复合粒子呈球形。论文还探讨了含叔胺基的甲基丙烯酸二甲胺基乙酯(PDMAEMA)如何在微波辐射的作用下将银离子还原为纳米银的机理。

Abstract

Double hydrophilicblock copolymers mPEG-b-PDMAEMA were synthesized by Atom Transfer Radical Polymerization. With copolymer as substrate, water as medium, the silver nitrate as precursor, the composite particles of nano silver/ mPEG-b-PDMAEMA were prepared by microwave radiation. FTIR and 1HNMR results showed that the target copolymer was prepared by Atom Transfer Radical Polymerization. X-rays and UV-vis results showed that silver nanoparticles had good face-centered cubic crystal structures. TEM pictures showed that nano silver attached on the surface of copolymer and the composite materials were spherical particles. The mechanism of silver ion reduced to nanosilver particles catalyzed by PDMAEMA under microwave was discussed.Cited

关键词

纳米银甲基丙烯酸二甲胺基乙酯微波辐射原子转移自由基聚合

Keywords

Nano-silverDimethylaminoethylmethacrylateMicrowave irradiationAtom Transfer radical polymerization

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DOI：10.11889.j.1000-3436.2015.rrj.33.030302

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