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TiNi合金牙弓絲表面環(huán)氧樹脂/聚四氟乙烯涂層的組織結(jié)構(gòu)與性能
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國家自然科學(xué)基金（50801018）


Study on the Microstructure and Properties of Epoxy Resion/Polytetrafluorethylene Coatings on TiNi Alloy Teeth Corrective Wires
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    摘要:

    采用浸涂法在硅烷偶聯(lián)劑表面改性的TiNi合金表面制備環(huán)氧樹脂/聚四氟乙烯涂層，研究不同硅烷偶聯(lián)劑對涂層附著力的影響規(guī)律。揭示了硅烷偶聯(lián)劑提高涂層附著力的機制?？疾焱繉友拦z的生物相容性及涂層對TiNi合金中Ni離子析出的影響，并對比涂層與未涂層牙弓絲在口腔正畸中的效果。結(jié)果表明：硅烷偶聯(lián)劑的濃度對涂層與TiNi合金之間的附著力有顯著影響，并且隨著濃度的增加，附著力先增大后減小。EP/PTFE涂層有效地抑制TiNi合金中Ni離子的析出，同時具有良好的生物相容性。

    Abstract:

    The epoxy resin (EP)/polytetrafluoroethylene (PTFE) coatings were made on the silane coupling agent modified TiNi alloy teeth corrective wires by dipping. The influence of silane coupling agent concentration on the adhesion force between the coatings and TiNi alloys was investigated, and the mechanism of the improvement of the adhesion force due to the induction of the silane coupling agent was revealed. The effect of epoxy resin (EP)/polytetrafluoroethylene (PTFE) coatings on the biocompatibility and Ni ions release from the TiNi alloys was investigated. In addition, the difference between the coated and uncoated TiNi alloy teeth corrective wires was compared. The results show that the concentation of silance coupling agent has a great influencer on the adhension force between the coating and TiNi alloy. With the increase of the concentation, the adhension force increases first, then decreases. EP/PTFE coating can inhibit Ni ions precipitation from TiNi alloy, and has a good biocompatibility.

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邵 玶,隋解和,馮 雪,蔡 偉. TiNi合金牙弓絲表面環(huán)氧樹脂/聚四氟乙烯涂層的組織結(jié)構(gòu)與性能[J].稀有金屬材料與工程,2012,41(5):822~825.[Shao Ping, Sui Jiehe, Feng Xue, Cai Wei. Study on the Microstructure and Properties of Epoxy Resion/Polytetrafluorethylene Coatings on TiNi Alloy Teeth Corrective Wires[J]. Rare Metal Materials and Engineering,2012,41(5):822~825.]
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  • 收稿日期:2011-05-20
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