为控制聚合物复合材料的剪切强度而开发的等离子体纳米涂层。

Plasma Nanocoatings Developed to Control the Shear Strength of Polymer Composites.

作者信息

Zvonek Milan, Sirjovova Veronika, Branecky Martin, Plichta Tomas, Skacel Josef, Cech Vladimir

机构信息

Institute of Materials Chemistry, Faculty of Chemistry, Brno University of Technology, Purkynova 118, 61200 Brno, Czech Republic.

Department of Microelectronics, Faculty of Electrical Engineering and Computer Science, Brno University of Technology, Technicka 3058/10, 616 00 Brno, Czech Republic.

出版信息

Polymers (Basel). 2019 Jul 15;11(7):1188. doi: 10.3390/polym11071188.

DOI:10.3390/polym11071188

PMID:31311200

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6680602/

Abstract

All reinforcements for polymer-matrix composites must be coated with a suitable material in the form of a thin film to improve compatibility and interfacial adhesion between the reinforcement and the polymer matrix. In this study, plasma nanotechnology was used to synthetize such functional nanocoatings using pure tetravinylsilane (TVS) and its mixtures with oxygen gas (O) as precursors. The plasma-coated glass fibers (GFs) were unidirectionally embedded in a polyester resin to produce short composite beams that were analyzed by a short-beam-shear test to determine the shear strength characterizing the functionality of the nanocoatings in a GF/polyester composite. The developed plasma nanocoatings allowed controlling the shear strength between 26.2-44.1 MPa depending on deposition conditions, i.e., the radiofrequency (RF) power and the oxygen fraction in the TVS/O mixture. This range of shear strength appears to be sufficiently broad to be used in the design of composites.

摘要

所有用于聚合物基复合材料的增强材料都必须用薄膜形式的合适材料进行涂覆，以提高增强材料与聚合物基体之间的相容性和界面附着力。在本研究中，采用等离子体纳米技术，以纯四乙烯基硅烷（TVS）及其与氧气（O）的混合物为前驱体，合成了这种功能性纳米涂层。将等离子体涂覆的玻璃纤维（GFs）单向嵌入聚酯树脂中，制成短复合梁，通过短梁剪切试验对其进行分析，以确定表征GF/聚酯复合材料中纳米涂层功能的剪切强度。根据沉积条件，即射频（RF）功率和TVS/O混合物中的氧气含量，所开发的等离子体纳米涂层能够将剪切强度控制在26.2 - 44.1 MPa之间。这个剪切强度范围似乎足够宽，可用于复合材料的设计。