Facile and environment-friendly mussel-inspired surface modification of PBO fibers via dopamine/3-aminopropyltrimethoxysilane co-deposition for advanced composite

被引：28

作者：

Chen, Lei ^{[1
,2
]}

Zhang, Gangyan ^{[1
]}

Wu, Guangshun ^{[3
]}

Wang, Peng ^{[1
]}

Zhang, Yuanming ^{[2
]}

Li, Minghua ^{[2
]}

Li, Qing ^{[1
]}

Zhang, Tonghua ^{[1
]}

机构：

[1] Southwest Univ, Coll Sericulture Text & Biomass Sci, Chongqing 400715, Peoples R China

[2] Qingdao Univ, State Key Lab Biofibers & Ecotext, Qingdao 266071, Peoples R China

[3] Ludong Univ, Sch Chem & Mat Sci, Yantai 264025, Peoples R China

来源：

POLYMER | 2021年 / 229卷 / 229期

基金：

中国国家自然科学基金;

关键词：

PBO fiber; Surface modification; Polydopamine; Co-deposition; Interfacial properties; Atomic oxygen resistance; CARBON-FIBER; POLYDOPAMINE; REINFORCEMENT; PERFORMANCE; MEMBRANE; INTERPHASE; DEPOSITION; CHEMISTRY; EFFICIENT; DOPAMINE;

D O I：

10.1016/j.polymer.2021.123999

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The surface of poly(p-phenylene benzobisoxazole) (PBO) fibers was modified by a hybrid coating composed of polydopamine (PDA) and the hydrolysis products of 3-aminopropyltrimethoxysilane (KH551) using a facile and environment-friendly mussel-inspired co-deposition strategy. The surface morphologies and chemical composition of the obtained hierarchical reinforcement (PBO@PDA/Si) were measured for confirming the successful deposition of the coating. Compared to untreated PBO fiber, the surface roughness and wettability of PBO@PDA/ Si were increased remarkably. Importantly, PBO@PDA/Si showed a 50.2% increase in the interfacial shear strength (IFSS) of resulting composite without any decrease in its tensile strength (TS). In addition, its atomic oxygen (AO) erosion and hydrothermal aging resistances were significantly improved. The "one-step" musselinspired surface modification strategy starts from simple chemistry and cheap raw materials, and may provide a novel and versatile design for fabricating multifunctional hierarchical reinforcements.

引用

页数：7

共 39 条

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