3D Printing of Poly(3-hydroxybutyrate) Porous Structures Using Selective Laser Sintering

被引：34
|
作者：
Pereira, Tatiana F. [1 ]
Oliveira, Marcelo F. [2 ]
Maia, Izaque A. [2 ]
Silva, Jorge V. L. [2 ]
Costa, Marysilvia F. [1 ]
Thire, Rossana M. S. M. [1 ]
机构：
[1] Univ Fed Rio de Janeiro, COPPE, Programa Engn Met & Mat, Rio de Janeiro, RJ, Brazil
[2] CTI, DT3D, Divisao Tecnol Tridimensionais, Ctr Tecnol Informac Renato Archer, Campinas, SP, Brazil
来源：
MACROMOLECULAR SYMPOSIA | 2012年 / 319卷 / 01期
关键词：
biopolymer; poly(3-hydroxybutyrate); processing; selective laser sintering and 3D printing;
D O I：
10.1002/masy.201100237
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Poly(3-hydroxybutyrate) (PHB) 3D porous cubes were successfully built with Selective Laser Sintering (SLS), one of the many existing 3D printing technologies. The resulting cubes presented shape and dimensions very close to the corresponding virtual model. Moreover, they were resistant to handling without presenting any visible damage. The PHB powder did not present variation in thermal properties and chemical composition after 32.15 hours of SLS process as observed by proton nuclear resonance (H-1 NMR) and differential scanning calorimetry (DSC) analysis, indicating that it can be re-utilized to print additional structures without affecting the reproducibility of the process.
引用
收藏
页码：64 / 73
页数：10
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