Comparison of thermal, structural and morphological properties of poly(l-lactide) and poly(l-lactide)/hydroxyapatite microspheres for laser sintering processes

被引：9
|
作者：
Krokos, Anna [1 ]
Gazinska, Malgorzata [1 ]
Kryszak, Bartlomiej [1 ]
Dzienny, Paulina [2 ]
Stepak, Bogusz [2 ]
Olejarczyk, Michal [3 ]
Gruber, Piotr [3 ]
Kwiatkowski, Ryszard [4 ]
Bondyra, Agnieszka [1 ]
Antonczak, Arkadiusz [2 ]
机构：
[1] Wroclaw Univ Sci & Technol, Fac Chem, Polymer Engn & Technol Div, CK Norwida 4-6, PL-50373 Wroclaw, Poland
[2] Wroclaw Univ Sci & Technol, Fac Elect, Laser & Fibre Elect Grp, Wybrzeze Wyspianskiego 27, PL-50370 Wroclaw, Poland
[3] Wroclaw Univ Sci & Technol, Fac Mech Engn, Ctr Adv Mfg Technol, Fraunhofer Project Ctr CAMT FPC, Lukasiewicza 5, PL-50371 Wroclaw, Poland
[4] Univ Bielsko Biala, Inst Text Engn & Polymer Mat, Willowa 2, PL-43309 Bielsko Biala, Poland
来源：
POLIMERY | 2020年 / 65卷 / 09期
关键词：
poly(l-lactide); hydroxyapatite; microspheres; biocomposite; laser sintering; additive manufacturing; biomedical applications; sintering window; powder flowability; LACTIC-ACID; COMPOSITE; PHASE; TRANSITION; SCAFFOLDS; CRYSTALS;
D O I：
10.14314/polimery.2020.9.2
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A comparison of poly(l-lactide) (PLLA) and poly(l-lactide)/hydroxyapatite (PLLA/HAp) biocomposite microspheres fabricated by emulsion solvent evaporation technique designed for laser sintering (LS) applications is presented. Key properties such as thermal and structural as well as geometry, size distribution and powder flowability, which are crucial for this technique, are characterized to validate the applicability of microspheres for LS. The biocomposite microspheres turns out to be more suitable for the LS process than PLLA due to the higher thermal stability, broader sintering window and higher powder flowability.
引用
收藏
页码：605 / 612
页数：8
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