Biopolymer blends based on poly(lactic acid) and polyamide for durable applications

被引：8
作者：
Khankrua, Rattikarn [1 ]
Wiriya-Amornchai, Atiwat [2 ]
Triamnak, Narit [3 ]
Suttiruengwong, Supakij [3 ]
机构：
[1] Rajamangala Univ Technol Rattanakosin, Fac Engn, Dept Mat Engn, Phutthamonthon 73170, Nakhon Pathom, Thailand
[2] King Mongkuts Univ Technol North Bangkok, Fac Engn & Technol, Mat & Proc Technol, Rayong Campus, Rayong, Thailand
[3] Silpakorn Univ, Fac Engn & Ind Technol, Dept Mat Sci & Engn, Sanamchandra Palace Campus, Mueang Nakhon Pathom Dis, Nakhon Pathom, Thailand
来源：
POLYMER-PLASTICS TECHNOLOGY AND MATERIALS | 2023年 / 62卷 / 02期
关键词：
Poly(lactic acid); polyamide; polymer blend; biopolymers; durable application; MECHANICAL-PROPERTIES; MALEIC-ANHYDRIDE; REACTIVE COMPATIBILIZATION; BINARY BLENDS; DEGRADATION; PLA; POLYMERS; MORPHOLOGY; PROPERTY; BEHAVIOR;
D O I：
10.1080/25740881.2022.2096470
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Polymer blends between PLA and PA11 by reactive blending for durable application were investigated. Ethylene-acrylic ester-glycidyl methacrylate (EAG) and Ethylene-acrylic ester-maleic anhydride (EAM) were used as compatibilizers. The SEM results revealed the excellent dispersion of PA11 particles in PLA matrix. The EAG addition caused the smaller PA11 particles size than EAM addition. The MFI of blends increased with PA11 increase. The blend at 90/10 ratio showed the highest mechanical properties. After the accelerated weathering test, the specimen appearance changed and degraded. PLA/PA11/EAM exhibited the lower mechanical properties than PLA/PA11/EAG due to the differences of chemical structures between compatibilizers.
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页码：131 / 144
页数：14
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