Preparation of zinc oxide/halloysite compound and their reinforcement for styrene butadiene rubber composite

IF 5.3 2区地球科学 Q2 CHEMISTRY, PHYSICAL Applied Clay Science Pub Date : 2023-10-01 DOI:10.1016/j.clay.2023.107078

Kaiyuan Xiao , Yinmin Zhang , Yanbing Gong , Yongfeng Zhang

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Abstract

This study investigated the surface treatment of halloysite nanotubes (HNTs) with zinc oxide (ZnO) and used to enhance the mechanical properties of butyl rubber (SBR) composites. The prepared ZnO-modified HNTs (ZnO/HNTs) was characterized by X-ray diffraction (XRD), Fourier infrared spectroscopy (FT-IR), Scanning electron microscopy (SEM) and Transmission electron microscopy (TEM). The results indicated that ZnO particles were successfully loaded on the surface of HNTs and interacted with hydroxyl groups. The outer surface of HNTs became rough due to the loading of ZnO. The effects of ZnO/HNTs on the processing and mechanical properties of filled SBR composites were evaluated. The results showed that the ZnO/HNTs particles displayed a fine dispersion in the matrix system and have a strong interaction compatibility with rubber matrix chains. The tensile strength reached at the maximum of 9.35 MPa at a filler content of 60 phr, which was 405% and 31.69% higher than those of pure SBR and the HNTs/SBR composites, respectively. The enhancement of the mechanical properties of filled SBR composites is attributed to the fine dispersion of the ZnO/HNTs particles in the SBR matrix and the improved incorporation between the rubber molecules and the filler particles due to the loading of ZnO on the surface of HNTs, which restricts the movement of the rubber chains by entrapping molecules when the composites is subjected to stress loading.

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氧化锌/高岭土复合材料的制备及其增强丁苯橡胶复合材料的研究

研究了氧化锌(ZnO)对高岭土纳米管(HNTs)的表面处理，以提高丁基橡胶(SBR)复合材料的力学性能。采用x射线衍射(XRD)、傅里叶红外光谱(FT-IR)、扫描电子显微镜(SEM)和透射电子显微镜(TEM)对ZnO/HNTs进行了表征。结果表明，ZnO粒子成功负载在HNTs表面，并与羟基相互作用。由于ZnO的负载，HNTs的外表面变得粗糙。研究了ZnO/HNTs对填充SBR复合材料的工艺和力学性能的影响。结果表明:ZnO/HNTs颗粒在基体体系中表现出良好的分散性，与橡胶基体链具有较强的相互作用相容性;当填料含量为60 phr时，复合材料的抗拉强度最大，达到9.35 MPa，分别比纯SBR和HNTs/SBR复合材料提高405%和31.69%。填充SBR复合材料力学性能的增强是由于ZnO/HNTs颗粒在SBR基体中的精细分散，以及ZnO在HNTs表面的负载改善了橡胶分子与填料颗粒之间的结合，从而在复合材料受到应力加载时通过包裹分子来限制橡胶链的运动。

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来源期刊

Applied Clay Science 地学-矿物学

CiteScore

10.30

自引率

10.70%

发文量

289

审稿时长

39 days

期刊介绍： Applied Clay Science aims to be an international journal attracting high quality scientific papers on clays and clay minerals, including research papers, reviews, and technical notes. The journal covers typical subjects of Fundamental and Applied Clay Science such as: • Synthesis and purification • Structural, crystallographic and mineralogical properties of clays and clay minerals • Thermal properties of clays and clay minerals • Physico-chemical properties including i) surface and interface properties; ii) thermodynamic properties; iii) mechanical properties • Interaction with water, with polar and apolar molecules • Colloidal properties and rheology • Adsorption, Intercalation, Ionic exchange • Genesis and deposits of clay minerals • Geology and geochemistry of clays • Modification of clays and clay minerals properties by thermal and physical treatments • Modification by chemical treatments with organic and inorganic molecules(organoclays, pillared clays) • Modification by biological microorganisms. etc...