{"title":"An investigation of activation of PTFE and graphite fine particles prior to electroless plating","authors":"A. Karam, J. Krafft, G. Stremsdoerfer","doi":"10.1080/00202967.1998.11871198","DOIUrl":null,"url":null,"abstract":"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.","PeriodicalId":23268,"journal":{"name":"Transactions of The Institute of Metal Finishing","volume":"76 1","pages":"69-72"},"PeriodicalIF":1.2000,"publicationDate":"1998-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00202967.1998.11871198","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Transactions of The Institute of Metal Finishing","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.1080/00202967.1998.11871198","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ELECTROCHEMISTRY","Score":null,"Total":0}
引用次数: 4
Abstract
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.
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.
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