Noncovalent Functionalization of Multiwalled Carbon Nanotubes Using Graft Copolymer with Naphthalene and Its Application as a Reinforcing Filler for Poly(styrene-co-acrylonitrile)

被引：33
作者：
Kim, Kyung Tae [1 ]
Jo, Won Ho [1 ]
机构：
[1] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151742, South Korea
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2010年 / 48卷 / 19期
关键词：
atom transfer radical polymerization; campatibilizer; compatibilization; composite; electrical conductivity; graft copolymers; graft-type block copolymer; mechanical property; multiwalled carbon nanotubes; nanocomposites; CONJUGATED BLOCK-COPOLYMERS; POLY(METHYL METHACRYLATE); SIDEWALL FUNCTIONALIZATION; ELECTRICAL-CONDUCTIVITY; COMPOSITES; POLYMER; PYRENE; NANOCOMPOSITES; IMPROVEMENT; ADSORPTION;
D O I：
10.1002/pola.24199
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A new compatibilizer, poly(vinyl benzyloxy ethyl naphthalene)-graft-poly(methyl methacrylate), for poly(styrene-co-acrylonirile) (SAN)/multi-walled carbon nanotubes (MWCNTs) composites was synthesized. It has been identified that naphthalene unit in backbone of compatibilizer interacts with MWCNTs via pi-pi interaction and that the PMMA graft of the compatibilizer is miscible with the SAN matrix. When a small amount of compatibilizer was added to SAN/MWCNT composites, MWCNTs were more homogeneously dispersed in SAN matrix than the case without compatibilizer, indicating that the compatibilizer improves the compatibility between SAN and MWCNTs. As a consequence, mechanical and electrical properties of the composites with compatibilizer were largely improved as compared with those of composites without compatibilizer. (c) 2010 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 48: 4184-4191, 2010
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收藏
页码：4184 / 4191
页数：8
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