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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. - PowerPoint PPT Presentation
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Adhesives & Cements
Justin BrandtMatt KlimchakRyan 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: 150 - 250 °C Cure Temperatures: 20 - 150 °C
Depends on Grade Good Mechanical Properties: -250 - 260 °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
CostsEpoxy Volume 1 Volume 2
Compounds, Coils, Bushings 105-152 --
Compounds, Resistors, diodes -- 227-286
GP 100-112 --
Semi Conductor Anhydride -- 214-297
Semi Conductor Novolac -- 212-246
*Volume 1 = 2 - 5 Million Pounds
*Volume 2 = 200000lbs - 500000 lbs
*All Prices in Cents
Conclusion Niche Market
Packaging Textiles Civil Engineering Tapes & Labels Construction Motor Vehicles
Adhesives are Everywhere