by Scott Sabreen, The Sabreen Group, Inc. Question: We're having adhesion failures when trying to bond a molded Nylon-66 automotive part using epoxy adhesives. The part has been wiped with alcohol and we've increased the epoxy thickness, hoping this will help. Can you suggest how to solve the problem? Answer: The good news is that your adhesion bonding problem is definitely … [Read more...] about Q&A: Process Solutions for Adhesion Bonding of Nylon
Adhesion
The Science of Solving Plastics Adhesion Problems: Contact Angles Surface Wetting Chemical Activation
by Scott R. Sabreen, The Sabreen Group, Inc. Polymeric adhesion bonding problems are pervasive throughout the plastics industry. Two- and three-dimensional products often include bonding plastic-to-plastic, plastic-to-metal, plastic-to-composite, optomechanical, and more. Adhesion bonding applications are not limited only to adhesives (epoxies, urethanes, acrylics, silicones, … [Read more...] about The Science of Solving Plastics Adhesion Problems: Contact Angles Surface Wetting Chemical Activation
Cold Gas Plasma Surface Modification – Optimize Plastics Bonding Adhesion
by Scott R. Sabreen, The Sabreen Group, Inc. Polymeric and elastomeric substrates often can be extremely challenging to achieve robust bonding adhesion strength to like or dissimilar materials. Bonding applications are not limited to only adhesives, but include printing inks, paints and coatings, encapsulant and potting compounds, metallization and more. This article describes … [Read more...] about Cold Gas Plasma Surface Modification – Optimize Plastics Bonding Adhesion
Surface Activation Systems for Optimizing Adhesion to Polymers
by Rory A. Wolf, Enercon Industries Corporation Technology Focus April/May2009 Click Here for a PDF chart that details surface activation recommendations by polymer and relates those polymers to typical industry applications. Information regarding recommended type of atmospheric plasma (corona, flame, and plasma) treatment process and target range of surface activation by … [Read more...] about Surface Activation Systems for Optimizing Adhesion to Polymers
Ask the Expert: Adhesion
by Scott Sabreen, The Sabreen Group, Inc. Question: Fluoropolymers Could you explain fluoropolymers and their benefits? A fluoropolymer is a polymer that contains fluorine atoms. Fluoropolymers inherently possess high resistance to solvents, acids, and bases. One of the most well-known fluoropolymers is Teflon (PTFE – polytetrafluoroethylene), which was invented by … [Read more...] about Ask the Expert: Adhesion