A novel biodegradable nanocomposite based on poly (3-hydroxybutyrate-co-3-hydroxyhexanoate) and silylated kaolinite/silica core-shell nanoparticles

被引：37

作者：

Zhang, Qian ^{[1
,2
,3
]}

Liu, Qinfu ^{[1
]}

Mark, James E. ^{[3
]}

Noda, Isao ^{[4
]}

机构：

[1] China Univ Min & Technol, Sch Geol Sci & Survey Engn, Beijing 100083, Peoples R China

[2] Henan Polytech Univ, Sch Mat Sci & Engn, Jiaozuo 454000, Peoples R China

[3] Univ Cincinnati, Dept Chem, Cincinnati, OH 45221 USA

[4] Procter & Gamble Co, W Chester, OH 45069 USA

来源：

APPLIED CLAY SCIENCE | 2009年 / 46卷 / 01期

基金：

美国国家科学基金会;

关键词：

Biodegradable polymer; PHBHHx; Kaolin; Core-shell nanoparticle; Nanocomposite; LAYERED-SILICATE NANOCOMPOSITES; MECHANICAL-PROPERTIES; NATURAL-RUBBER; MICA SURFACES; POLY(3-HYDROXYBUTYRATE-CO-3-HYDROXYHEXANOATE); FILLER; MONTMORILLONITE; ADSORPTION; COPOLYMERS; COMPOSITE;

D O I：

10.1016/j.clay.2009.07.008

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel biodegradable nanocomposite was fabricated based on poly (3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBHHx) and silane-modified kaolinite/silica core-shell nanoparticles (SMKS), via solution-casting method using chloroform as solvent Unmodified (ORK) and glycidoxypropyltrimethoxysilane (C-silane) surface-modified kaolin (SMK) were also introduced into PHBHHx matrix for comparison. SMKS significantly improved the mechanical properties of the PHBHHx compared to that of ORK and SMK The composite filled with a low loading of SMKS increased the tensile strength and toughness from 18.2 to 23.5 MPa and 2.6 to 4.2 MPa, respectively. Transmission electron microscopy (TEM) indicated that SMKS was finely distributed in the PHBHHx matrix compared with the other two kinds of fillers. These significant improvements in these mechanical properties were attributed to the fine dispersion of SMKS into the polymer and covalent interaction between polymer chains and the surface of SMKS. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：51 / 56

页数：6

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