Synergistic reinforcing of poly(lactic acid) by poly(butylene adipate-co-terephthalate) and alumina nanoparticles

被引：23
作者：
Chen, Jie [1 ]
Hu, Rong-Rong [2 ]
Jin, Fan-Long [1 ]
Park, Soo-Jin [3 ]
机构：
[1] Jilin Inst Chem Technol, Dept Polymer Mat, Jilin 132022, Jilin, Peoples R China
[2] Zhu Hai CosMX Battery Co Ltd, Zhu Hai City, Peoples R China
[3] Inha Univ, Dept Chem, Incheon 22212, South Korea
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2021年 / 138卷 / 16期
关键词：
biodegradable; biomaterials; biopolymers and renewable polymers; THERMOMECHANICAL PROPERTIES; MECHANICAL-PROPERTIES; IMPACT STRENGTH; MORPHOLOGY; BEHAVIOR; BLENDS; PBAT; PLA; TEMPERATURE; IMPROVEMENT;
D O I：
10.1002/app.50250
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Biodegradable poly(lactic acid) (PLA)/poly(butylene adipate-co-terephthalate) (PBAT) blends and PLA/PBAT/Al2O3 nanocomposites were fabricated via solution blending. The influence of PBAT and Al2O3 content on the thermal stability, flexural properties, impact strength, and morphology of both the PLA/PBAT blends and the PLA/PBAT/Al2O3 nanocomposites were investigated. The impact strength of the PLA/PBAT/Al2O3 nanocomposites containing 5 wt% PBAT increased from 4.3 to 5.2 kJ/m(2) when the Al2O3 content increased from 0 to 1 wt%. This represents a 62% increase compared to the impact strength of pristine PLA and a 20% increase compared to the impact strength of PLA/PBAT blends containing 5 wt% PBAT. Scanning electron microscopy imaging revealed that the Al2O3 nanoparticles in the PLA/PBAT/Al2O3 nanocomposites function as a compatibilizer to improve the interfacial interaction between the PBAT and the PLA matrix.
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页数：9
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