化学镀前聚四氟乙烯和石墨微粒活化的研究

IF 1.2 4区材料科学 Q4 ELECTROCHEMISTRY

Transactions of The Institute of Metal Finishing Pub Date : 1998-01-01 DOI:10.1080/00202967.1998.11871198

A. Karam, J. Krafft, G. Stremsdoerfer

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引用次数: 4

摘要

本研究考察了化学镀前的两种最常用的电化学复合涂层颗粒:PTFE和石墨的活化步骤。根据钯锡混合胶态催化剂的直径大小，发现PTFE颗粒表现出不同寻常的行为。结果表明，这些微粒的几何形状对活化过程有很大的影响。只有直径为3nm的小型胶体催化剂才能在不进行任何表面预处理的情况下有效激活表面。对这一现象作了详细的描述和解释。

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An investigation of activation of PTFE and graphite fine particles prior to electroless plating

This study examines the activation step, prior to electroless plating, of two of the most used particles in the field of electrochemical composite coating: PTFE and graphite. It has been identified that PTFE particles show an unusual behaviour according to the diameter size of the mixed Pd/Sn colloidal catalyst. It appears that the geometry of these micronic particles strongly affects the activation step. Only small colloidal catalysts with a 3 nm diameter can activate the surface efficiently without any surface pre-treatment. A detailed description and an explanation of this phenomenon are given.

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来源期刊

Transactions of The Institute of Metal Finishing 工程技术-材料科学：膜

CiteScore

3.40

自引率

10.50%

发文量

审稿时长

3 months

期刊介绍： Transactions of the Institute of Metal Finishing provides international peer-reviewed coverage of all aspects of surface finishing and surface engineering, from fundamental research to in-service applications. The coverage is principally concerned with the application of surface engineering and coating technologies to enhance the properties of engineering components and assemblies. These techniques include electroplating and electroless plating and their pre- and post-treatments, thus embracing all cleaning pickling and chemical conversion processes, and also complementary processes such as anodising. Increasingly, other processes are becoming important particularly regarding surface profile, texture, opacity, contact integrity, etc.