Development and characterization of polyvinyl alcohol stabilized polylactic acid/ZnO nanocomposites

被引：29

作者：

Restrepo, I. ^{[1
,2
]}

Benito, N. ^{[3
]}

Medinam, C. ^{[4
]}

Mangalaraja, R. V. ^{[1
]}

Flores, P. ^{[1
,4
]}

Rodriguez-Llamazares, S. ^{[5
]}

机构：

[1] Univ Concepcion, Mat Engn Dept, Edmundo Larenas 270, Concepcion, Chile

[2] Univ Concepcion, Technol Dev Unit, Avda Cordillera 2634, Coronel, Chile

[3] Univ Chile, Fac Phys & Math Sci, Surfaces & Nanomat Lab, Blanco Encalada 2008, Santiago, Chile

[4] Univ Concepcion, Mech Engn Dept, Edmundo Larenas 219, Concepcion, Chile

[5] Res Ctr Adv Polymers, Lab Bldg CIPA, Av Collao 1202, Concepcion, Chile

来源：

MATERIALS RESEARCH EXPRESS | 2017年 / 4卷 / 10期

关键词：

melt blending; polylactic acid; ZnO nanoparticles; nanocomposites; THERMAL-DEGRADATION; POLY(LACTIC ACID); ZNO; BLENDS; FILMS; CRYSTALLIZATION; BEHAVIOR; CU;

D O I：

10.1088/2053-1591/aa8b8d

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The present work is focused on the development of polylactic acid/ZnO (PLA/ZnO) polymer nanocomposite through a melt blending route. Previously, the ZnO nanoparticles were coated with polyvinyl alcohol (PVA) via a solvothermal method. The morphology of PVA coated ZnO nanostructures and the formation of polymer nanocomposites were identified through transmission electron microscopy analysis. Thermogravimetric analysis showed that PVA coated ZnO(c) nanoparticles incorporated into the PLA matrix exhibited better thermal stability, suggesting that PVA could be acting as a strong stabilizing agent for ZnO nanoparticles. The tensile strength, elastic modulus, strain at maximum strength and the maximum strain were extracted through stress-strain relations.

引用

页数：8

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