SLM 3D打印钛网表面聚氨酯涂层的涂覆及表面性能的研究

doi:10.12337/zgkqzzxzz.2022.02.004

中国口腔种植学杂志 ›› 2022, Vol. 27 ›› Issue (1): 16-21.DOI: 10.12337/zgkqzzxzz.2022.02.004

SLM 3D打印钛网表面聚氨酯涂层的涂覆及表面性能的研究

韩泽奎, 张亮, 谢菲, 郑晓晓, 陈莹莹, 王心彧

黑龙江省生物医学材料及临床应用重点实验室佳木斯大学口腔医学工程实验中心佳木斯大学口腔医学院 154002

收稿日期:2021-12-01 发布日期:2022-03-09
通讯作者: 王心彧,Email: wxysgs123@126.com,电话：0454-8627689

The study of surface properties of SLM 3D printing titanium mesh coating by polyurethane

Han Zekui, Zhang Liang, Xie Fei, Zheng Xiaoxiao, Chen Yingying, Wang Xinyu

The Key Laboratory of Biomedical Materials and Clinical Application in Heilongjiang Provincial & Experimental Center of Stomatology engineering at Jiamusi University, School of Stomatology, Jiamusi University, Heilongjiang 154002, China

Received:2021-12-01 Published:2022-03-09
Contact: Wang Xinyu, Email: wxysgs123@126.com, Tel: 0086-454-8627689

摘要/Abstract

摘要： 目的采用聚氨酯电泳涂装方法对激光选区熔融（Selective laser melting, SLM）3D打印Ti6Al4V钛网进行表面处理,以获得表面相对平滑、无金属粉末、凸峰的钛网,并探究其表面性能。方法实验分组为A组：常规处理;B1组：SiO₂喷砂;B2组：Al₂O₃喷砂;C1组：SiO₂喷砂+酸处理;C2组：Al₂O₃喷砂+酸处理;D1组：聚氨酯涂层40 V;D2组：聚氨酯涂层60 V;D3组：聚氨酯涂层80 V。对各组试件表面形貌进行观察,并对其粗糙度、接触角、涂层厚度等进行检测。结果聚氨酯涂层组各方面表面性能显著优于其他表面处理组（P<0.001）。15~20 μm厚度的聚氨酯涂层表面无金属粉末,暴露的凸峰相对最少。结论经聚氨酯涂层的SLM 3D打印钛网表面高度平滑、疏水,无金属粉末、喷砂引入的杂质存在,涂层无异氰酸酯单体存在,有望降低SLM 3D打印钛网对附着龈的刺激,降低术后感染发生,提高了植入体内的安全程度。

关键词: Sandblasting, Acid etching, Polyurethane

Abstract: Objective The surface of laser selective melting was treated by the polyurethane electrophoretic coating method. The better effects of titanium surface pretreatment technologies should include the following aspects, the surface is flat, few metal-dust, and the peaks of the blasted surface were found on the surface. Methods Experimental group, Group A: Normal processing; Group B1: SiO₂ sandblasting; Group B2: Al₂O₃ sandblasting; Group C1: SiO₂ sandblasting and acid etching; Group C2: Al₂O₃ sandblasting and acid etching; Group D1: Polyurethane coating (40V); Group D2: Polyurethane coating (60V); Group D3: Polyurethane coating (80V). The surface morphology of each specimen was observed. And its roughness, contact Angle, coating thickness were tested by relevant methods. Results The effect of the polyurethane coating group was significantly better than other surface treatment groups (P<0.001). There is nearly no metal powder on the surface of polyurethane coating with a thickness of 15-20 μm, the quantity of exposed peaks of the blasted surface is decreased. Conclusion The method of polyurethane electrophoretic coating could make the surface of SLM 3D printing titanium mesh more flat and hydrophobic, nearly a few metal-dust and foreign matter were found on the surface, and no Isocyanate monomer was present in the materials. It is expected to reduce the stimulation of gingival soft tissue and prevent the postoperative infection caused by SLM 3D printed titanium mesh. It’s safer to Implant into the alveolar bone.

Key words: Sandblasting, Acid etching, Polyurethane

韩泽奎,张亮,谢菲,等. SLM 3D打印钛网表面聚氨酯涂层的涂覆及表面性能的研究[J]. 中国口腔种植学杂志, 2022, 27(1): 16-21. DOI: 10.12337/zgkqzzxzz.2022.02.004

Han Zekui, Zhang Liang, Xie Fei, Zheng Xiaoxiao, Chen Yingying, Wang Xinyu. The study of surface properties of SLM 3D printing titanium mesh coating by polyurethane[J].Chinese Journal of Oral Implantology, 2022, 27(1): 16-21.DOI: 10.12337/zgkqzzxzz.2022.02.004.

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SLM 3D打印钛网表面聚氨酯涂层的涂覆及表面性能的研究

The study of surface properties of SLM 3D printing titanium mesh coating by polyurethane

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