在磷酸锆上原位生长层状双氢氧化物以增强水性环氧涂料的耐腐蚀和耐磨性

IF 4.1 2区化学 Q2 POLYMER SCIENCE Polymer Pub Date : 2025-01-17 DOI:10.1016/j.polymer.2025.128048

Ruiqin Guo , Caiyou Ding , Yuan Liu , Xiaoling Cheng , Li Zhang , Wenlin Zhao , Xinxin Sheng

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引用次数: 0

摘要

在磷酸锆（ZrP）纳米片表面原位制备了锌铝层状双氢氧化物（Zn-Al LDHs），以提高其在水性环氧树脂（WEP）中的润滑性能。随后，用单宁酸（TA）和铈离子（Ce（Ⅲ））对zrp - ldh （ZL）进行功能修饰，制备ZrP-LDH-PTA-Ce（Ⅲ）（TCZL）纳米杂化体。随后，WEP涂层与TCZL涂层结合，形成具有耐磨和防腐性能的双重用途涂层。摩擦学试验结果表明，含TCZL的WEP涂层（TCZL/WEP）的磨损率比空白WEP涂层降低了75.27%。电化学阻抗谱（EIS）表明，腐蚀35 d后，TCZL/WEP涂层在0.01 Hz （|Z|0.01 Hz）处的阻抗模量比空白WEP涂层高约2个数量级。综上所述，TCZL/WEP具有优异的耐磨性和防腐性能。这种高性能功能性涂料具有优异的抗腐蚀和耐磨性，在多个行业中具有广泛的应用机会。

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In situ growth of layered double hydroxides on zirconium phosphate for reinforcing anti-corrosion and wear resistance of waterborne epoxy coatings

Zn–Al layered double hydroxides (Zn–Al LDHs) were prepared in situ on the surface of zirconium phosphate (ZrP) nanosheets in order to improve the lubricating capabilities of LDHs in waterborne epoxy (WEP). Subsequently, ZrP-LDHs (ZL) were functionally modified with tannic acid (TA) and cerium ions (Ce(Ⅲ)) to prepare ZrP-LDH-PTA-Ce(Ⅲ) (TCZL) nanohybrids. Subsequently, the WEP coating was combined with TCZL to create a dual-purpose coating exhibiting wear resistance and anti-corrosion properties. The tribological test results demonstrated that the WEP coating containing TCZL (TCZL/WEP) exhibited a 75.27 % lower wear rate than the blank WEP coating. Furthermore, the Electrochemical impedance spectroscopy (EIS) showed that the impedance modulus at 0.01 Hz (|Z|_0.01 Hz) of the TCZL/WEP coating was roughly 2 orders of magnitude higher than that of the blank WEP coating after 35 days of corrosion. In summary, TCZL/WEP exhibits excellent wear resistance and anti-corrosion performance. This high-performance functional coating exhibits excellent anti-corrosion and excellent wear resistance, with numerous application opportunities across multiple industries.

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来源期刊

Polymer 化学-高分子科学

CiteScore

7.90

自引率

8.70%

发文量

959

审稿时长

32 days

期刊介绍： Polymer is an interdisciplinary journal dedicated to publishing innovative and significant advances in Polymer Physics, Chemistry and Technology. We welcome submissions on polymer hybrids, nanocomposites, characterisation and self-assembly. Polymer also publishes work on the technological application of polymers in energy and optoelectronics. The main scope is covered but not limited to the following core areas: Polymer Materials Nanocomposites and hybrid nanomaterials Polymer blends, films, fibres, networks and porous materials Physical Characterization Characterisation, modelling and simulation* of molecular and materials properties in bulk, solution, and thin films Polymer Engineering Advanced multiscale processing methods Polymer Synthesis, Modification and Self-assembly Including designer polymer architectures, mechanisms and kinetics, and supramolecular polymerization Technological Applications Polymers for energy generation and storage Polymer membranes for separation technology Polymers for opto- and microelectronics.