羟基磷灰石表面改性改善PLA/HAP复合材料界面相互作用

IF 2.1 4区材料科学 Q3 MATERIALS SCIENCE, COMPOSITES

Composite Interfaces Pub Date : 2023-05-23 DOI:10.1080/09276440.2023.2210884

Eylül Odabaş, E. Akarsu

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引用次数: 1

摘要

PLA/HAP复合材料在材料科学领域，特别是生物材料领域受到了广泛的关注。然而，这些复合材料在PLA和HAP界面之间存在不利的界面相互作用，这限制了它们的应用。在本研究中，我们旨在通过修饰HAP表面来改善PLA/HAP复合材料的界面相互作用。为此，用三种不同的硅烷改性剂(3-氨基丙基)三甲氧基硅烷(AMMO)、(3-甘油三酯氧基)三甲氧基硅烷(GLYMO)和(3-三乙基氧基)丙基丁二酸酐(GF-20)对HAP颗粒进行了功能化。得到的改性HAP (m-HAP)用于制备PLA/m-HAP。采用傅里叶变换红外分光光度计(FT-IR)和差示扫描量热仪(DSC)对复合材料的界面相互作用进行了表征。此外，通过维氏硬度测试来揭示硅烷改性剂对体外降解试验前后硬度的影响。图形抽象

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Improving interface interactions in PLA/HAP composites with hydroxyapatite surface modification

ABSTRACT PLA/HAP composites have attracted significant attention in material science, especially in the field of biomaterials. However, these composites have suffered from unfavorable interface interactions between PLA and HAP interfaces, which limits the applications . In this study, we aimed to improve the interface interactions of PLA/HAP composite by modifying the HAP surface. For this purpose, HAP particles were functionalized with three different silane modifying agents, including (3-Aminopropyl)trimethoxysilane (AMMO), (3-glycidyloxypropyl)trimethoxysilane (GLYMO) and (3-triethoxysilyl)propylsuccinic anhydride (GF-20). The obtained modified HAP (m-HAP) were used to prepare PLA/m-HAP. Interface interactions of composites were characterized by Fourier transform infrared spectrophotometer (FT-IR) and differential scanning calorimetry (DSC). In addition, Vickers hardness tests were performed to reveal the effect of silane modifying agents on hardness before and after the in vitro degradation test. GRAPHICAL ABSTRACT

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来源期刊

Composite Interfaces 工程技术-材料科学：复合

CiteScore

5.00

自引率

3.80%

发文量

审稿时长

3 months

期刊介绍： Composite Interfaces publishes interdisciplinary scientific and engineering research articles on composite interfaces/interphases and their related phenomena. Presenting new concepts for the fundamental understanding of composite interface study, the journal balances interest in chemistry, physical properties, mechanical properties, molecular structures, characterization techniques and theories. Composite Interfaces covers a wide range of topics including - but not restricted to: -surface treatment of reinforcing fibers and fillers- effect of interface structure on mechanical properties, physical properties, curing and rheology- coupling agents- synthesis of matrices designed to promote adhesion- molecular and atomic characterization of interfaces- interfacial morphology- dynamic mechanical study of interphases- interfacial compatibilization- adsorption- tribology- composites with organic, inorganic and metallic materials- composites applied to aerospace, automotive, appliances, electronics, construction, marine, optical and biomedical fields