Incorporation of silver/carbon nanoparticles into poly(methyl methacrylate) via in situ miniemulsion polymerization and its influence on the glass-transition temperature

被引：24
作者：
Lopez-Martinez, Erika I.
Marquez-Lucero, Alfredo
Hernandez-Escobar, Claudia A.
Flores-Gallardo, Sergio G.
Ibarra-Gomez, Rigoberto
Yacaman, Miguel J.
Zaragoza-Contreras, E. Armando
机构：
[1] Adv Mat Res Ctr, Chihuahua 31109, Mexico
[2] Univ Texas, Austin, TX 78712 USA
来源：
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 2007年 / 45卷 / 05期
关键词：
carbon nanoparticles; colloids; emulsion polymerization; glass transition; miniemulsion polymerization; nanocomposites; nanoparticles;
D O I：
10.1002/polb.21054
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Silver/carbon nanoparticles (9 nm) were incorporated, as reinforcements, into a matrix of poly(methyl methacrylate) via in situ miniemulsion polymerization. It was found by differential scanning calorimetry that the glass-transition temperature of the poly(methyl methacrylate) showed an improvement of 14 degrees C with only 0.5 wt % nanoparticles in comparison with a pure poly(methyl methacrylate) control, which was also obtained by miniemulsion polymerization under the same conditions. This increase was related to a polymer chain mobility restriction due to a combination of bound plastic and joint plastic shell effects at the interphase and the surrounding regions. (c) 2007 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 45: 511-518, 2007.
引用
收藏
页码：511 / 518
页数：8
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