Innovative Synthesis of Durable Polylactic Acid-Thermoplastic Polyurethane Elastomer Composites for Three-Dimensional Printing Applications

被引：1

作者：

Zhang, Xiaojie ^{[1
]}

Xiao, Jianhua ^{[2
]}

Kim, Jin Kuk ^{[3
]}

Oh, Jeong Seok ^{[3
]}

Lee, Jinho ^{[4
,5
]}

机构：

[1] Nanchang Hangkong Univ, Sch Mat Sci Engn, Nanchang 330000, Peoples R China

[2] Shanghai Univ Engn Sci, Sch Chem & Chem Engn, Shanghai 201620, Peoples R China

[3] Gyeongsang Natl Univ, Engn Res Inst, Dept Mat Engn & Convergence Technol, Jinju 52828, South Korea

[4] Gyeongsang Natl Univ, Dept Phys Educ, Jinju 52828, South Korea

[5] Gyeongsang Natl Univ, Res Inst Nat Sci, Jinju 52828, South Korea

来源：

POLYMER-KOREA | 2023年 / 47卷 / 06期

基金：

中国国家自然科学基金;

关键词：

cardanol; polylactic acid; fused deposition modeling; 3D printing; dynamic reaction; THERMAL-DEGRADATION; REACTIVE EXTRUSION; NATURAL-RUBBER; CARDANOL; BLENDS; POLY(LACTIDE); MORPHOLOGY; CELLULOSE; BEHAVIOR;

D O I：

10.7317/pk.2023.47.6.711

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The functionalization of polylactic acid (PLA) is examined by grafting cardanol onto its main backbone chain through a dynamic reaction to improve compatibility between PLA and thermoplastic polyurethane (TPU). Cardanol-grafted PLA (PLAC)/TPU blend-based filaments for fused deposition modeling are tested using melt extrusion. Effects of PLAC grafting ratio on the rheological properties and thermal transformation of the PLAC/ TPU blends and the mechanical properties of three-dimensional-printed parts are investigated. A decrease in the glass transition temperature and crystallinity from differential scanning calorimetry are observed with increasing cardanol concentration, implying improved miscibility between PLAC and TPU and as a result, PLAC/TPU blends exhibit improved toughness.

引用

页码：711 / 719

页数：9

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