化工新型材料

化工新型材料 ›› 2021, Vol. 49 ›› Issue (9) : 244-249. DOI: 10.19817/j.cnki.issn 1006-3536.2021.09.053

开发与应用

高性能聚乙烯醇复配Ce³⁺/无定形磷酸钙3D打印骨修复材料的研制

作者信息 +

Preparation of Ce³⁺/amorphous calcium phosphate compounded with polyvinyl alcohol for repairing bone by 3DP

Nie Jianhua¹, Cheng Jiang², Wang Jun¹, Hou Yong¹, Mo Jiaqi¹

Author information +

文章历史 +

Received		Published
2020-05-15		2021-09-20
Issue Date	Revised Date
2021-09-30	2020-05-15

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摘要

首先采用共沉淀法制取稀土铈离子掺杂改性无定形磷酸钙粉体,然后将其与医用聚乙烯醇混合并研磨均匀,作为打印粉末材料。使用纯水作为粘接溶液,通过3D打印方式制取骨移植修复材料,并采用Fourier红外、粉末X射线衍射和电子扫描电镜进行相关结构表征。着重研究铈离子含量对无定形磷酸钙粉体的稳定性、水化相变能力和孔隙结构的影响规律,并重点探讨分析聚乙烯醇含量对骨成品的力学性能、孔隙数量和成型精度的影响规律,从而确定了骨成品的最佳打印配方。

Abstract

The amorphous calcium phosphate (ACP) doped with rare earth Ce³⁺ was prepared by coprecipitation method,and then characterized by fourier transform infrared spectroscopy (FT-IR),X-ray diffraction (XRD) and scanning electron microscope (SEM) respectively.Afterwards,the influences of Ce³⁺ content on the stability,transition capacity of hydration and pore structure of ACP were discussed in detail.The Ce³⁺/ACP powder mixed with medical polyvinyl alcohol (PVA) was used as prototyping powder for three dimensional printing (3DP).Then the 3DP productions for repairing bone defects was fabricated with deionized water used as adhesive solution.The effects of PVA content on the mechanical properties,porosity as well as printing accuracy of 3DP productions were investigated emphatically.Finally the optimum formulation of 3DP was determined.

关键词

三维打印 / 粉末材料 / 粘接溶液 / 无定形磷酸钙

Key words

three dimensional printing / prototyping powder / adhesive solution / amorphous calcium phosphate

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高性能聚乙烯醇复配Ce³⁺/无定形磷酸钙3D打印骨修复材料的研制[J]. 化工新型材料, 2021, 49(9): 244-249 DOI:10.19817/j.cnki.issn 1006-3536.2021.09.053

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