Adhesives & Cements Justin Brandt Matt Klimchak Ryan Smith
Objective Brief Overview of Adhesives
Overview History Types Chemical Structure Applications Advantages / Disadvantages Properties
Overview Process Major Suppliers Costs Conclusion
History First Forms – Tree Sap & Tar Egyptians 2000 BC – Glue Romans Veneering & Marquetry First Caulking
History Genghis Khan Weaponry Antonio Stradivari Violins Holland First Manufactures British First Patent
Types Acrylics Epoxies Urethanes Cyanoacrylates Hot Melts Labeling Adhesives Contact Cements Anaerobics UV Curables Emulsion Sealants Specialty Adhesives
Chemical Structure Epoxies
Applications Automotive Building & Civil Engineering Carpentry Flexible Packaging Footwear
Applications General Industry Insulated Glazing Rubbercrumb Sandwich Construction
Application Chart
Advantages Great Flexibility No Stress Concentrations Weight Reduction More Elegant Appearance Vibration Damping Stronger & Stiffer Structures
Advantages Accuracy Bond is Continuous Joining Dissimilar Materials Delays Corrosion Improved Fatigue Resistance Easily Automated
Disadvantages Durability of Joint Limited Inspection Techniques Change in Temperatures Limited Bond Time Difficult to Un-bond Preparation Environmental Considerations
Special Considerations Ability to Wet the Plastic Chemical & Physical Interaction Stress Cracking Anneal Parts Avoid Squeezing Fast-Curing Adhesives Unfilled Amorphous Materials
Properties High Tensile Strength: up to 45MPa Low Peel Strength: 1.8kg/mm Chemical Resistance Acids, Bases, Salts, & Solvents Low Shrinkage
Properties Temperature: °C Cure Temperatures: °C Depends on Grade Good Mechanical Properties: °C
Process of Applying the Adhesive Prepare Surface Wetting Surface Cleaning Chemical Etching Flame Treatment Corona Treatment Plasma Treatment Coupling Agents Mechanical Abrasion
Process of Applying the Adhesive Apply Adhesive Apply Clamping Force Allow for Cure Time
Equipment Automated or Hands-on UV Light Electron Beam Brush Heat Gun Spray
Major Suppliers Alcoa BASF Bayer BF Goodrich Dow Goodyear Huntsman 3M
Costs Epoxy Volume 1Volume 2 Compounds, Coils, Bushings Compounds, Resistors, diodes GP Semi Conductor Anhydride Semi Conductor Novolac *Volume 1 = Million Pounds *Volume 2 = lbs lbs *All Prices in Cents
Conclusion Niche Market Packaging Textiles Civil Engineering Tapes & Labels Construction Motor Vehicles Adhesives are Everywhere