Preparation and characterization of thermoplastic materials for invisible orthodontics
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概要
- 論文の詳細を見る
PETG/PC/TPU polymer blend was prepared by mechanical blending. The mechanical properties of modified PETG/PC/TPU blend were characterized using a universal testing machine, and results were compared against two commercial thermoplastic products —Erkodur and Biolon. Blending modification improved the properties of PETG/PC/TPU. When blending ratio (wt%) was 70/10/20, PETG/PC/TPU exhibited optimal mechanical properties which exceeded those of Erkodur and Biolon. Tear strength was 50.23 MPa and elongation at break was 155.99%. Stress relaxation rate was 0.0136 N/s after 1 hour, which was significantly slower than Erkodur and Biolon (p<0.05). Water absorption rate was 0.57% after 2 weeks, which was significantly lower than Erkodur and Biolon (p<0.05).
- 日本歯科理工学会の論文
- 2011-11-01
著者
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Zhang Ning
Department Of Biomechanical Engineering The Johns Hopkins University School Of Medicine
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Zhang Yu
Key Laboratory For Molecular And Biomolecular Electronics Of Ministry Of Education Southeast Univers
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Zhang Yu
Key Laboratory Of Beijing City On Preparation And Processing Of Novel Polymer Materials Beijing University Of Chemical Technology
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BAI Yuxing
Department of Orthodontics, School of Stomatology, Capital Medical University
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DING Xuejia
Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology
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Bai Yuxing
Department Of Orthodontics School Of Stomatology Capital Medical University
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Ding Xuejia
Key Laboratory Of Beijing City On Preparation And Processing Of Novel Polymer Materials Beijing University Of Chemical Technology
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