Polydopamine by APP Template With SiC and Silane Hybrid Coating One‐Step Co‐Deposited UHMWPE Fibers and Corona Reinforced Epoxy Composites

IF 3.8 4区工程技术 Q2 POLYMER SCIENCE

Polymers for Advanced Technologies Pub Date : 2025-03-01 DOI:10.1002/pat.70151

K.X. Yu, Fanmin Kong, Guodong Jiang

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引用次数: 2

Abstract

ABSTRACT Due to low surface energy, high chemical inertness, and poor interfacial properties of ultra‐high molecular weight polyethylene (UHMWPE) fibers, it was difficult to achieve good adhesion with the matrix interface. Surface coating modification based on polydopamine (PDA) was widely applied to build high‐performance and specifically functional surface modifications. In order to improve the interfacial adhesion between UHMWPE fibers and epoxy resin, this study used a one‐step process with ammonium polyphosphate (APP) as a template to deposit a hybrid coating of PDA and N ‐(2‐aminoethyl)‐3‐aminopropyltrimethoxysilane (KH792)/3‐aminopropyltriethoxysilane (KH550)/nano silicon carbide (SiC) on the surface of UHMWPE fibers. Additionally, corona treatment was applied to increase oxygen‐containing functional groups on fibers while also improving the processing technology of composites. Due to the polymerization of PDA, the deposition of SiC, and the hydrolysis‐condensation of silanes, the nanohybrid coating can provide rich connection points and nanoparticles for hybrid fabrics without affecting the inherent strength of fibers. Corona improved surface roughness, and hybrid coatings enhanced the interfacial adhesion between the resin matrix and fibers. The UHMWPE fiber/epoxy composite material after improved composite technology exhibited excellent mechanical properties. Compared with untreated composite laminates, interfacial shear strength (IFSS) was increased by 88.81%, flexural strength was enhanced by 87.89%, impact strength was improved by 64.39%, and tensile strength was raised by 26.58%. The study showed that the nanohybrid coating co‐deposited with PDA and corona enhanced the interfacial bond between epoxy resin and UHMWPE fibers, increased relative friction at the fracture interface, and improved load transfer between UHMWPE fibers and matrix.

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应用APP模板制备聚多巴胺与SiC和硅烷复合涂层。一步共沉积超高分子量聚乙烯纤维和电晕增强环氧复合材料

超高分子量聚乙烯（UHMWPE）纤维由于其表面能低、化学惰性大、界面性能差，难以与基体界面实现良好的粘附。基于聚多巴胺（PDA）的表面涂层改性被广泛应用于构建高性能和特定功能的表面改性。为了提高UHMWPE纤维与环氧树脂之间的界面附着力，本研究采用以聚磷酸铵（APP）为模板一步法在UHMWPE纤维表面沉积了PDA和N -（2 -氨基乙基）- 3 -氨基丙基三甲氧基硅烷(KH792)/3 -氨基丙基三乙氧基硅烷(KH550)/纳米碳化硅（SiC）混合涂层。此外，电晕处理可以增加纤维上的含氧官能团，同时也改进了复合材料的加工技术。由于PDA的聚合、SiC的沉积和硅烷的水解缩聚，纳米杂化涂层可以在不影响纤维固有强度的情况下为杂化织物提供丰富的连接点和纳米颗粒。电晕改善了表面粗糙度，杂化涂层增强了树脂基体与纤维之间的界面附着力。改进复合工艺后的超高分子量聚乙烯纤维/环氧复合材料表现出优异的力学性能。与未经处理的复合材料层合板相比，界面抗剪强度提高了88.81%，抗折强度提高了87.89%，冲击强度提高了64.39%，拉伸强度提高了26.58%。研究表明，共沉积PDA和电晕的纳米杂化涂层增强了环氧树脂与UHMWPE纤维之间的界面结合，增加了断裂界面处的相对摩擦，改善了UHMWPE纤维与基体之间的载荷传递。

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来源期刊

Polymers for Advanced Technologies 工程技术-高分子科学

CiteScore

6.20

自引率

5.90%

发文量

337

审稿时长

2.1 months

期刊介绍： Polymers for Advanced Technologies is published in response to recent significant changes in the patterns of materials research and development. Worldwide attention has been focused on the critical importance of materials in the creation of new devices and systems. It is now recognized that materials are often the limiting factor in bringing a new technical concept to fruition and that polymers are often the materials of choice in these demanding applications. A significant portion of the polymer research ongoing in the world is directly or indirectly related to the solution of complex, interdisciplinary problems whose successful resolution is necessary for achievement of broad system objectives. Polymers for Advanced Technologies is focused to the interest of scientists and engineers from academia and industry who are participating in these new areas of polymer research and development. It is the intent of this journal to impact the polymer related advanced technologies to meet the challenge of the twenty-first century. Polymers for Advanced Technologies aims at encouraging innovation, invention, imagination and creativity by providing a broad interdisciplinary platform for the presentation of new research and development concepts, theories and results which reflect the changing image and pace of modern polymer science and technology. Polymers for Advanced Technologies aims at becoming the central organ of the new multi-disciplinary polymer oriented materials science of the highest scientific standards. It will publish original research papers on finished studies; communications limited to five typewritten pages plus three illustrations, containing experimental details; review articles of up to 40 pages; letters to the editor and book reviews. Review articles will normally be published by invitation. The Editor-in-Chief welcomes suggestions for reviews.

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原料信息

原料厂家

Epoxy resin E-44